Replace repo with official FlexICM checkpoints only
Browse filesRemove previous code/weights and publish the mentor-selected TAIC/C-TAIC checkpoint_best_loss set under checkpoints/.
This view is limited to 50 files because it contains too many changes. Β See raw diff
- .gitignore +0 -32
- README.md +1 -435
- checkpoints/README.md +0 -92
- checkpoints/base_codec/NOTE.txt +0 -2
- checkpoints/base_codec/PLACEHOLDER_base_codec_1.pth.tar.txt +0 -2
- checkpoints/base_codec/PLACEHOLDER_base_codec_2.pth.tar.txt +0 -2
- checkpoints/base_codec/PLACEHOLDER_base_codec_3.pth.tar.txt +0 -2
- checkpoints/base_codec/PLACEHOLDER_base_codec_4.pth.tar.txt +0 -2
- checkpoints/ctaic/s1_det_instance/stage1/1/PLACEHOLDER +0 -2
- checkpoints/ctaic/s1_det_instance/stage1/1/{checkpoint_0.1313.pth.tar β checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage1/2/PLACEHOLDER +0 -2
- checkpoints/ctaic/s1_det_instance/stage1/2/{checkpoint_0.1334.pth.tar β checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage1/3/PLACEHOLDER +0 -2
- checkpoints/ctaic/s1_det_instance/stage1/3/{checkpoint_0.1564.pth.tar β checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage1/4/PLACEHOLDER +0 -2
- checkpoints/ctaic/s1_det_instance/stage1/4/{checkpoint_0.1245.pth.tar β checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage2/1/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s2_sem_panoptic/stage1/1/checkpoint_0.1313.pth.tar β s1_det_instance/stage2/1/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage2/2/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s2_sem_panoptic/stage1/2/checkpoint_0.1334.pth.tar β s1_det_instance/stage2/2/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage2/3/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s2_sem_panoptic/stage1/3/checkpoint_0.1564.pth.tar β s1_det_instance/stage2/3/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s1_det_instance/stage2/4/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s2_sem_panoptic/stage1/4/checkpoint_0.1245.pth.tar β s1_det_instance/stage2/4/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage1/1/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s3_det_pose/stage1/1/checkpoint_0.1313.pth.tar β s2_sem_panoptic/stage1/1/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage1/2/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s3_det_pose/stage1/2/checkpoint_0.1334.pth.tar β s2_sem_panoptic/stage1/2/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage1/3/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s3_det_pose/stage1/3/checkpoint_0.1564.pth.tar β s2_sem_panoptic/stage1/3/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage1/4/PLACEHOLDER +0 -2
- checkpoints/ctaic/{s3_det_pose/stage1/4/checkpoint_0.1245.pth.tar β s2_sem_panoptic/stage1/4/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage2/1/PLACEHOLDER +0 -2
- checkpoints/{taic/detection/1/checkpoint_0.1313.pth.tar β ctaic/s2_sem_panoptic/stage2/1/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage2/2/PLACEHOLDER +0 -2
- checkpoints/{taic/detection/2/checkpoint_0.1334.pth.tar β ctaic/s2_sem_panoptic/stage2/2/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage2/3/PLACEHOLDER +0 -2
- checkpoints/{taic/detection/3/checkpoint_0.1564.pth.tar β ctaic/s2_sem_panoptic/stage2/3/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s2_sem_panoptic/stage2/4/PLACEHOLDER +0 -2
- checkpoints/{taic/detection/4/checkpoint_0.1245.pth.tar β ctaic/s2_sem_panoptic/stage2/4/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s3_det_pose/stage1/1/PLACEHOLDER +0 -2
- checkpoints/{taic/instance/1/checkpoint_0.1313.pth.tar β ctaic/s3_det_pose/stage1/1/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s3_det_pose/stage1/2/PLACEHOLDER +0 -2
- checkpoints/{taic/instance/2/checkpoint_0.1334.pth.tar β ctaic/s3_det_pose/stage1/2/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s3_det_pose/stage1/3/PLACEHOLDER +0 -2
- checkpoints/{taic/instance/3/checkpoint_0.1564.pth.tar β ctaic/s3_det_pose/stage1/3/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s3_det_pose/stage1/4/PLACEHOLDER +0 -2
- checkpoints/{taic/instance/4/checkpoint_0.1245.pth.tar β ctaic/s3_det_pose/stage1/4/checkpoint_best_loss.pth.tar} +0 -0
- checkpoints/ctaic/s3_det_pose/stage2/1/PLACEHOLDER +0 -2
- checkpoints/ctaic/s3_det_pose/stage2/1/checkpoint_best_loss.pth.tar +3 -0
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# paper PDF β do not upload
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# Heavy weights to keep local-only.
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# TAIC / C-TAIC under checkpoints/{taic,ctaic} are intentionally uploadable
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README.md
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# FlexICM: A Flexible Image Coding for Machines Framework
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Official
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Built on the **TIC (Transformer-based Image Compression)** base codec, this repository implements:
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- **TAIC (Base Layer)**: five single-task codecs that decode task intermediate features `h` **without** full image reconstruction
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- **C-TAIC (Extension Layer)**: three multi-task scenarios that condition on the base-layer latent \hat{y}_b via cross-attention
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## Five Tasks and Three Scenarios
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### TAIC (five task codecs)
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| Task | Teacher / Task Network | Feature Alignment | Metric |
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| --------------------- | ------------------------------- | ----------------------- | -------- |
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| Object Detection | Faster R-CNN + **Swin-B** | FPN `P2..P6` (Eq. 2) | mAP-bbox |
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| Semantic Segmentation | UPerNet + **Swin-B** | FPN `P2..P6` | mIoU |
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| Instance Segmentation | Cascade Mask R-CNN + **Swin-B** | FPN `P2..P6` | mAP-mask |
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| Panoptic Segmentation | MaskFormer + **Swin-B** | Stages `F1..F4` (Eq. 3) | PQ |
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| Pose Estimation | **HigherHRNet** | Stages `F1..F4` | mAP-OKS |
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### C-TAIC (three scenarios)
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| Scenario | Base Layer | Extension Layer |
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| -------- | --------------------- | --------------------- |
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| **s1** | Object Detection | Instance Segmentation |
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| **s2** | Semantic Segmentation | Panoptic Segmentation |
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| **s3** | Object Detection | Pose Estimation |
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---
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## Environment Setup
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> **Important:** Codec training **requires** task networks (teachers) to be available.
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> The loss D is computed from frozen teacher features, so you cannot train TAIC / C-TAIC
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> with only the codec packages. Install the teacher stack in **Task networks (teachers)** before the first training run.
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### Recommended environment
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- Ubuntu / RHEL, **CUDA 11.7+**, single **NVIDIA A100** (paper setting)
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- Python **3.8β3.10**
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- PyTorch **β₯ 1.12** (2.0+ recommended)
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```bash
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conda create -n flexicm python=3.9 -y
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conda activate flexicm
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pip install torch torchvision --index-url https://download.pytorch.org/whl/cu118
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pip install -r requirements.txt
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```
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### Core codec dependencies
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| Package | Role |
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| ------------ | ---------------------------------------------------------- |
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| `compressai` | EntropyBottleneck / GaussianConditional / conv-deconv |
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| `timm` | **Required** Swin-B teacher backbone for feature alignment |
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| `PyYAML` | Training configs |
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### Task networks (teachers) β **required before training**
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Teachers are already implemented in `flexicm/tasks/` and are constructed automatically by
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`scripts/train_taic.py` / `scripts/train_ctaic.py` via `build_teacher(...)`.
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You still must install their runtime dependencies and allow pretrained weights to download.
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| Task | Teacher used in training | What you need installed |
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| -------------------- | ---------------------------------------------------------------------------- | ---------------------------------------------------- |
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| Detection / Instance | Swin-B (`timm`) for FPN alignment; metric head = Cascade Mask R-CNN + Swin-B | `timm`; ImageNet Swin-B on first run |
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| Semantic / Panoptic | Swin-B (`timm`) | `timm`; ImageNet Swin-B on first run |
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| Pose | HigherHRNet-style HRNet stem (original HRNet, not Swin) | Implemented in-repo; no extra package beyond PyTorch |
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Checklist before training:
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1. `pip install -r requirements.txt` (includes `timm`)
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2. Machine can reach the internet **or** you have cached `timm` Swin weights
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3. Verify teachers import cleanly:
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```bash
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python -c "from flexicm.tasks import build_teacher; build_teacher('detection'); print('teachers ok')"
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```
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Without a working teacher, training will fail when computing the feature-alignment term D.
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### Task heads for metric evaluation
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To evaluate paper metrics (mAP / mIoU / PQ / OKS) with full task heads, also install:
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```bash
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pip install -U openmim
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mim install mmengine mmcv
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mim install mmdet mmsegmentation mmpose
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```
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Official detection / instance weights from
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[Swin-Transformer-Object-Detection](https://github.com/SwinTransformer/Swin-Transformer-Object-Detection)
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(see `configs/task_networks/README.md`):
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- **Cascade Mask R-CNN + Swin-B** (detection mAP-bbox **and** instance mAP-mask; same weights)
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- **UPerNet + Swin-B**: MMSegmentation Model Zoo
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- **MaskFormer + Swin-B**: MMDetection / Mask2Former
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- **HigherHRNet**: MMPose Model Zoo (**HRNet backbone**)
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These full heads are **not** required to start codec training; they are for final rateβaccuracy evaluation.
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---
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## Repository Layout
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```
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FlexICM/
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βββ FlexICM.pdf # paper
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βββ requirements.txt
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βββ README.md
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βββ configs/
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β βββ taic/ # five single-task configs
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β β βββ detection.yaml
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β β βββ semantic.yaml
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β β βββ instance.yaml
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β β βββ panoptic.yaml
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β β βββ pose.yaml
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β βββ ctaic/ # three multi-task scenarios
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β βββ s1_det_instance.yaml
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β βββ s2_sem_panoptic.yaml
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β βββ s3_det_pose.yaml
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βββ scripts/
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β βββ download_base_codecs.sh
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β βββ train_taic.py
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β βββ train_ctaic.py
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β βββ eval_taic.py # codec test (bpp / feature D)
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β βββ eval_ctaic.py # codec test for C-TAIC
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βββ flexicm/
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β βββ models/ # TAIC / C-TAIC / SFMA / TaskConnector / Conditional
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β βββ layers/ # RSTB / WindowAttention (same lineage as AdaptiveICMH)
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β βββ tasks/ # teachers + feature-alignment losses
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β βββ data/ # COCO / COCO-WholeBody image loading
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β βββ utils/
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βββ checkpoints/ # placeholder tree for base / TAIC / C-TAIC weights
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# see checkpoints/README.md
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```
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Eval / codec-test configs: `configs/eval/`.
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---
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## Dataset Preparation
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### COCO-2017 (detection / instance / semantic / panoptic)
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```text
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/data/coco2017/
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βββ train2017/
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βββ val2017/
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βββ annotations/
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βββ instances_train2017.json
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βββ instances_val2017.json
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βββ panoptic_train2017.json
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βββ panoptic_val2017.json
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βββ panoptic_train2017/ # PNG
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βββ panoptic_val2017/
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βββ stuff_train2017.json # semantic / stuff (if used)
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βββ stuff_val2017.json
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```
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Download:
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```bash
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# images
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wget http://images.cocodataset.org/zips/train2017.zip
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wget http://images.cocodataset.org/zips/val2017.zip
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# annotations
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wget http://images.cocodataset.org/annotations/annotations_trainval2017.zip
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wget http://images.cocodataset.org/annotations/panoptic_annotations_trainval2017.zip
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```
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Set in the corresponding YAML:
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```yaml
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dataset_path: "/data/coco2017"
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```
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### COCO-WholeBody (pose estimation)
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Pose uses the same COCO `train2017/val2017` images plus WholeBody keypoint annotations:
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- Project page: [COCO-WholeBody](https://github.com/jin-s13/COCO-WholeBody)
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- Place JSON files under `annotations/`; evaluate with MMPose HigherHRNet + WholeBody configs
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Codec **training** only needs images for feature alignment, so `train2017` images are sufficient for that stage.
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### Data processing (aligned with task networks)
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The paper requires **codec training preprocessing to match task-network preprocessing**. Defaults in this repo:
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1. **Codec input**: RGB, `ToTensor()` β `[0,1]`; training uses `Resize β RandomCrop(256) β RandomHorizontalFlip`
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2. **Inside the teacher**: ImageNet mean/std normalization (consistent with Swin / HRNet pretraining)
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3. **Spatial alignment**: TIC requires spatial size divisible by **256** (256 crop for training; pad at inference)
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If you use official MMDet/MMSeg pipelines (short-side resize, normalization, etc.), ensure:
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- Teacher feature extraction uses the **same normalize / resize logic** as that task network
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- Codec and teacher see geometrically consistent tensors (same crop / same pad)
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Edit points: `flexicm/data/datasets.py`, `flexicm/tasks/swin_teacher.py`, `flexicm/tasks/__init__.py` (HigherHRNet).
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---
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## Base Codec (TIC) Checkpoints
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The paper uses the same TIC pretrained weights as AdaptiveICMH / TransTIC:
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| 247 |
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| Quality | Ξ» (paper) | Checkpoint |
|
| 248 |
-
| ------- | --------- | ------------------------------------------------------------------------------------------------- |
|
| 249 |
-
| 1 | 0.0035 | [base_codec_1](https://github.com/NYCU-MAPL/TransTIC/releases/download/v1.0/base_codec_1.pth.tar) |
|
| 250 |
-
| 2 | 0.0067 | [base_codec_2](https://github.com/NYCU-MAPL/TransTIC/releases/download/v1.0/base_codec_2.pth.tar) |
|
| 251 |
-
| 3 | 0.0130 | [base_codec_3](https://github.com/NYCU-MAPL/TransTIC/releases/download/v1.0/base_codec_3.pth.tar) |
|
| 252 |
-
| 4 | 0.0250 | [base_codec_4](https://github.com/NYCU-MAPL/TransTIC/releases/download/v1.0/base_codec_4.pth.tar) |
|
| 253 |
-
|
| 254 |
-
|
| 255 |
-
```bash
|
| 256 |
-
bash scripts/download_base_codecs.sh
|
| 257 |
-
# downloads into checkpoints/base_codec/base_codec_{1,2,3,4}.pth.tar
|
| 258 |
-
```
|
| 259 |
-
|
| 260 |
-
Config example:
|
| 261 |
-
|
| 262 |
-
```yaml
|
| 263 |
-
base_codec: "./checkpoints/base_codec/base_codec_1.pth.tar"
|
| 264 |
-
quality_level: 1
|
| 265 |
-
lmbda: 0.0035
|
| 266 |
-
```
|
| 267 |
-
|
| 268 |
-
For each bitrate point, switch the matching `base_codec_k` and `lmbda`.
|
| 269 |
-
|
| 270 |
-
Trained TAIC / C-TAIC weights for eval should be placed under `checkpoints/taic/` and
|
| 271 |
-
`checkpoints/ctaic/` (see `checkpoints/README.md`). Until then, each quality folder
|
| 272 |
-
contains a `PLACEHOLDER` file.
|
| 273 |
-
|
| 274 |
-
---
|
| 275 |
-
|
| 276 |
-
|
| 277 |
-
|
| 278 |
-
## Training
|
| 279 |
-
|
| 280 |
-
Paper settings:
|
| 281 |
-
|
| 282 |
-
- Optimizer: **AdamW**, `lr=1e-4`
|
| 283 |
-
- TAIC: `batch_size=80`, `epochs=35`
|
| 284 |
-
- C-TAIC: `batch_size=40`, `epochs=40`
|
| 285 |
-
- `Ξ» β {0.0035, 0.0067, 0.0130, 0.0250}`
|
| 286 |
-
|
| 287 |
-
> If GPU memory is insufficient, reduce `batch_size` (optionally use gradient accumulation to approximate the paper effective batch).
|
| 288 |
-
|
| 289 |
-
|
| 290 |
-
|
| 291 |
-
### Train five TAIC models
|
| 292 |
-
|
| 293 |
-
```bash
|
| 294 |
-
# edit dataset_path / base_codec / lmbda / gpu_id in configs/taic/*.yaml as needed
|
| 295 |
-
python scripts/train_taic.py -c configs/taic/detection.yaml
|
| 296 |
-
python scripts/train_taic.py -c configs/taic/semantic.yaml
|
| 297 |
-
python scripts/train_taic.py -c configs/taic/instance.yaml
|
| 298 |
-
python scripts/train_taic.py -c configs/taic/panoptic.yaml
|
| 299 |
-
python scripts/train_taic.py -c configs/taic/pose.yaml
|
| 300 |
-
```
|
| 301 |
-
|
| 302 |
-
Trainable modules: **encoder SFMA + Task Connector**; TIC trunk is frozen.
|
| 303 |
-
|
| 304 |
-
### Train three C-TAIC scenarios
|
| 305 |
-
|
| 306 |
-
Requires a trained **base TAIC** checkpoint (to provide \hat{y}_b) and Stage-1 weights for the extension task.
|
| 307 |
-
|
| 308 |
-
```bash
|
| 309 |
-
# ---- s1: det β instance ----
|
| 310 |
-
python scripts/train_ctaic.py -c configs/ctaic/s1_det_instance.yaml --stage 1
|
| 311 |
-
python scripts/train_ctaic.py -c configs/ctaic/s1_det_instance.yaml --stage 2
|
| 312 |
-
|
| 313 |
-
# ---- s2: semantic β panoptic ----
|
| 314 |
-
python scripts/train_ctaic.py -c configs/ctaic/s2_sem_panoptic.yaml --stage 1
|
| 315 |
-
python scripts/train_ctaic.py -c configs/ctaic/s2_sem_panoptic.yaml --stage 2
|
| 316 |
-
|
| 317 |
-
# ---- s3: det β pose ----
|
| 318 |
-
python scripts/train_ctaic.py -c configs/ctaic/s3_det_pose.yaml --stage 1
|
| 319 |
-
python scripts/train_ctaic.py -c configs/ctaic/s3_det_pose.yaml --stage 2
|
| 320 |
-
```
|
| 321 |
-
|
| 322 |
-
Stage meanings:
|
| 323 |
-
|
| 324 |
-
|
| 325 |
-
| Stage | Mode | Trainable modules | `Ε·_b` |
|
| 326 |
-
| ----- | ----------- | -------------------------------------- | ------------------------------- |
|
| 327 |
-
| 1 | TAIC mode | SFMA + Task Connector | not used |
|
| 328 |
-
| 2 | C-TAIC mode | Prompt Generator + Condition Generator | from frozen base TAIC AD output |
|
| 329 |
-
|
| 330 |
-
|
| 331 |
-
Check these config fields:
|
| 332 |
-
|
| 333 |
-
```yaml
|
| 334 |
-
base_taic_checkpoint: # trained TAIC for the base task
|
| 335 |
-
taic_init: # extension-task TAIC (optional Stage-1 init)
|
| 336 |
-
stage1_checkpoint: # Stage-1 result loaded in Stage 2
|
| 337 |
-
```
|
| 338 |
-
|
| 339 |
-
---
|
| 340 |
-
|
| 341 |
-
|
| 342 |
-
|
| 343 |
-
## Codec Test
|
| 344 |
-
|
| 345 |
-
Codec test measures **compression statistics**:
|
| 346 |
-
|
| 347 |
-
|
| 348 |
-
| Metric | Meaning |
|
| 349 |
-
| ------------ | ----------------------------------------------------------------- |
|
| 350 |
-
| `bpp` | Likelihood bitrate R |
|
| 351 |
-
| `distortion` | Feature alignment D (Eq. 2 or Eq. 3) |
|
| 352 |
-
| `loss` | R + \lambda D |
|
| 353 |
-
| `actual_bpp` | Optional: real bitstream size after `compress()` / `decompress()` |
|
| 354 |
-
|
| 355 |
-
|
| 356 |
-
For C-TAIC, reported `bpp` is **extension-layer only** (base-layer rate is excluded), matching the paper.
|
| 357 |
-
|
| 358 |
-
### Prepare codec checkpoints
|
| 359 |
-
|
| 360 |
-
1. Copy trained weights into `checkpoints/taic/` or `checkpoints/ctaic/` (see `checkpoints/README.md`)
|
| 361 |
-
2. Remove the local `PLACEHOLDER` once `checkpoint_best_loss.pth.tar` is present
|
| 362 |
-
3. Edit `dataset_path` / `gpu_id` in `configs/eval/*.yaml`
|
| 363 |
-
|
| 364 |
-
```bash
|
| 365 |
-
python scripts/eval_taic.py -c configs/eval/taic_detection.yaml
|
| 366 |
-
python scripts/eval_ctaic.py -c configs/eval/ctaic_s1.yaml
|
| 367 |
-
```
|
| 368 |
-
|
| 369 |
-
---
|
| 370 |
-
|
| 371 |
-
|
| 372 |
-
|
| 373 |
-
## Task-network metric evaluation
|
| 374 |
-
|
| 375 |
-
To reproduce paper rateβaccuracy numbers you must **also** load the official pretrained
|
| 376 |
-
**task networks** and run metrics on COCO val:
|
| 377 |
-
|
| 378 |
-
|
| 379 |
-
| Task | Task network | Metric |
|
| 380 |
-
| --------- | ---------------------------- | -------- |
|
| 381 |
-
| Detection | Cascade Mask R-CNN + Swin-B | mAP-bbox |
|
| 382 |
-
| Instance | Cascade Mask R-CNN + Swin-B | mAP-mask |
|
| 383 |
-
| Semantic | UPerNet + Swin-B | mIoU |
|
| 384 |
-
| Panoptic | MaskFormer + Swin-B | PQ |
|
| 385 |
-
| Pose | HigherHRNet (HRNet backbone) | mAP-OKS |
|
| 386 |
-
|
| 387 |
-
|
| 388 |
-
Pipeline: `image β codec β h β truncated task net (from Stage2 / FPN) β metric`.
|
| 389 |
-
|
| 390 |
-
### Install metric dependencies
|
| 391 |
-
|
| 392 |
-
```bash
|
| 393 |
-
pip install pycocotools
|
| 394 |
-
pip install -U openmim
|
| 395 |
-
mim install mmengine mmcv mmdet mmsegmentation mmpose
|
| 396 |
-
# optional for PQ:
|
| 397 |
-
# pip install git+https://github.com/cocodataset/panopticapi.git
|
| 398 |
-
```
|
| 399 |
-
|
| 400 |
-
|
| 401 |
-
|
| 402 |
-
### Prepare task-network configs & checkpoints
|
| 403 |
-
|
| 404 |
-
1. Put / symlink real OpenMMLab configs under `configs/task_networks/`
|
| 405 |
-
(see `configs/task_networks/README.md`; current `*.py` files are stubs)
|
| 406 |
-
2. Download official weights to:
|
| 407 |
-
|
| 408 |
-
```text
|
| 409 |
-
checkpoints/task_networks/
|
| 410 |
-
βββ detection/model.pth
|
| 411 |
-
βββ instance/model.pth
|
| 412 |
-
βββ semantic/model.pth
|
| 413 |
-
βββ panoptic/model.pth
|
| 414 |
-
βββ pose/model.pth
|
| 415 |
-
```
|
| 416 |
-
|
| 417 |
-
1. Set in each `configs/eval/*.yaml`:
|
| 418 |
-
|
| 419 |
-
```yaml
|
| 420 |
-
task_config: "./configs/task_networks/<real_config>.py"
|
| 421 |
-
task_checkpoint: "./checkpoints/task_networks/<task>/model.pth"
|
| 422 |
-
ann_file: "annotations/instances_val2017.json"
|
| 423 |
-
```
|
| 424 |
-
|
| 425 |
-
|
| 426 |
-
|
| 427 |
-
### Run codec + metrics
|
| 428 |
-
|
| 429 |
-
```bash
|
| 430 |
-
python scripts/eval_taic.py -c configs/eval/taic_detection.yaml
|
| 431 |
-
python scripts/eval_taic.py -c configs/eval/taic_instance.yaml
|
| 432 |
-
python scripts/eval_taic.py -c configs/eval/taic_semantic.yaml
|
| 433 |
-
python scripts/eval_taic.py -c configs/eval/taic_panoptic.yaml
|
| 434 |
-
python scripts/eval_taic.py -c configs/eval/taic_pose.yaml
|
| 435 |
-
|
| 436 |
-
python scripts/eval_ctaic.py -c configs/eval/ctaic_s1.yaml
|
| 437 |
-
python scripts/eval_ctaic.py -c configs/eval/ctaic_s2.yaml
|
| 438 |
-
python scripts/eval_ctaic.py -c configs/eval/ctaic_s3.yaml
|
| 439 |
-
```
|
| 440 |
-
|
| 441 |
-
JSON results (codec + task metrics) are written under `logs/eval_taic/` or `logs/eval_ctaic/`.
|
| 442 |
-
|
| 443 |
-
> Detection / instance metric paths are the most complete (COCO bbox via pycocotools).
|
| 444 |
-
> Semantic mIoU needs a GT label loader; panoptic PQ needs `panopticapi` + GT folders;
|
| 445 |
-
> pose-from-`h` may need a HigherHRNet stem hook for your exact MMPose version.
|
| 446 |
|
|
|
|
| 8 |
|
| 9 |
# FlexICM: A Flexible Image Coding for Machines Framework
|
| 10 |
|
| 11 |
+
Official checkpoints for the paper **FlexICM: A Flexible Image Coding for Machines Framework** (Tianma Shen, Ying Liu).
|
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| 12 |
|
checkpoints/README.md
DELETED
|
@@ -1,92 +0,0 @@
|
|
| 1 |
-
# Checkpoints Layout (Placeholders)
|
| 2 |
-
|
| 3 |
-
Put pretrained / trained weights here before running **test / eval**.
|
| 4 |
-
Training still writes to `logs/` by default; after training, copy (or symlink) best
|
| 5 |
-
checkpoints into this tree so eval configs have a stable path.
|
| 6 |
-
|
| 7 |
-
> Files named `PLACEHOLDER` are not real weights. Replace each with the matching
|
| 8 |
-
> `.pth.tar` checkpoint, then update or keep the path expected by eval scripts.
|
| 9 |
-
|
| 10 |
-
## Directory map
|
| 11 |
-
|
| 12 |
-
```text
|
| 13 |
-
checkpoints/
|
| 14 |
-
βββ base_codec/ # frozen TIC (TransTIC / AdaptiveICMH)
|
| 15 |
-
β βββ base_codec_1.pth.tar # Ξ» = 0.0035
|
| 16 |
-
β βββ base_codec_2.pth.tar # Ξ» = 0.0067
|
| 17 |
-
β βββ base_codec_3.pth.tar # Ξ» = 0.0130
|
| 18 |
-
β βββ base_codec_4.pth.tar # Ξ» = 0.0250
|
| 19 |
-
β
|
| 20 |
-
βββ taic/ # five single-task TAIC codecs
|
| 21 |
-
β βββ detection/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 22 |
-
β βββ semantic/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 23 |
-
β βββ instance/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 24 |
-
β βββ panoptic/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 25 |
-
β βββ pose/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 26 |
-
β
|
| 27 |
-
βββ ctaic/ # three multi-task scenarios
|
| 28 |
-
βββ s1_det_instance/
|
| 29 |
-
β βββ stage1/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 30 |
-
β βββ stage2/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 31 |
-
βββ s2_sem_panoptic/
|
| 32 |
-
β βββ stage1/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 33 |
-
β βββ stage2/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 34 |
-
βββ s3_det_pose/
|
| 35 |
-
βββ stage1/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 36 |
-
βββ stage2/{1,2,3,4}/checkpoint_best_loss.pth.tar
|
| 37 |
-
```
|
| 38 |
-
|
| 39 |
-
Quality folders `{1,2,3,4}` match paper Ξ» / TIC quality levels.
|
| 40 |
-
|
| 41 |
-
## Download base TIC codecs
|
| 42 |
-
|
| 43 |
-
```bash
|
| 44 |
-
bash scripts/download_base_codecs.sh
|
| 45 |
-
# downloads into checkpoints/base_codec/
|
| 46 |
-
```
|
| 47 |
-
|
| 48 |
-
## After training: copy into placeholders
|
| 49 |
-
|
| 50 |
-
```bash
|
| 51 |
-
# example: TAIC detection, quality 1
|
| 52 |
-
cp logs/taic_detection/1/checkpoint_best_loss.pth.tar \
|
| 53 |
-
checkpoints/taic/detection/1/checkpoint_best_loss.pth.tar
|
| 54 |
-
|
| 55 |
-
# example: C-TAIC s1 stage2, quality 1
|
| 56 |
-
cp logs/ctaic_s1_stage2/1/checkpoint_best_loss.pth.tar \
|
| 57 |
-
checkpoints/ctaic/s1_det_instance/stage2/1/checkpoint_best_loss.pth.tar
|
| 58 |
-
```
|
| 59 |
-
|
| 60 |
-
## Eval configs
|
| 61 |
-
|
| 62 |
-
See `configs/eval/` β they point to these placeholder paths.
|
| 63 |
-
|
| 64 |
-
Codec test (bpp / feature distortion):
|
| 65 |
-
|
| 66 |
-
```bash
|
| 67 |
-
python scripts/eval_taic.py -c configs/eval/taic_detection.yaml
|
| 68 |
-
python scripts/eval_ctaic.py -c configs/eval/ctaic_s1.yaml
|
| 69 |
-
```
|
| 70 |
-
|
| 71 |
-
Scripts refuse to run if a `PLACEHOLDER` file is still present or if the `.pth.tar` is missing.
|
| 72 |
-
Task rateβaccuracy metrics are not implemented in these scripts yet.
|
| 73 |
-
|
| 74 |
-
## Task networks (for metric evaluation)
|
| 75 |
-
|
| 76 |
-
```text
|
| 77 |
-
checkpoints/task_networks/
|
| 78 |
-
βββ detection/model.pth
|
| 79 |
-
βββ instance/model.pth
|
| 80 |
-
βββ semantic/model.pth
|
| 81 |
-
βββ panoptic/model.pth
|
| 82 |
-
βββ pose/model.pth
|
| 83 |
-
```
|
| 84 |
-
|
| 85 |
-
These are **official pretrained task networks** (not codec weights).
|
| 86 |
-
Required when running:
|
| 87 |
-
|
| 88 |
-
```bash
|
| 89 |
-
python scripts/eval_taic.py -c configs/eval/taic_detection.yaml --with-metrics
|
| 90 |
-
```
|
| 91 |
-
|
| 92 |
-
See `configs/task_networks/README.md` for config/checkpoint pairing.
|
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|
checkpoints/base_codec/NOTE.txt
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
Legacy config paths used ./checkpoints/base_codec_k.pth.tar.
|
| 2 |
-
Prefer checkpoints/base_codec/base_codec_k.pth.tar after download.
|
|
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|
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|
checkpoints/base_codec/PLACEHOLDER_base_codec_1.pth.tar.txt
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/base_codec/PLACEHOLDER_base_codec_2.pth.tar.txt
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
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|
checkpoints/base_codec/PLACEHOLDER_base_codec_3.pth.tar.txt
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
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|
checkpoints/base_codec/PLACEHOLDER_base_codec_4.pth.tar.txt
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
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|
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|
checkpoints/ctaic/s1_det_instance/stage1/1/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/s1_det_instance/stage1/1/{checkpoint_0.1313.pth.tar β checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage1/2/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/s1_det_instance/stage1/2/{checkpoint_0.1334.pth.tar β checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage1/3/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/s1_det_instance/stage1/3/{checkpoint_0.1564.pth.tar β checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage1/4/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/s1_det_instance/stage1/4/{checkpoint_0.1245.pth.tar β checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage2/1/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s2_sem_panoptic/stage1/1/checkpoint_0.1313.pth.tar β s1_det_instance/stage2/1/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage2/2/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s2_sem_panoptic/stage1/2/checkpoint_0.1334.pth.tar β s1_det_instance/stage2/2/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage2/3/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s2_sem_panoptic/stage1/3/checkpoint_0.1564.pth.tar β s1_det_instance/stage2/3/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s1_det_instance/stage2/4/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s2_sem_panoptic/stage1/4/checkpoint_0.1245.pth.tar β s1_det_instance/stage2/4/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage1/1/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s3_det_pose/stage1/1/checkpoint_0.1313.pth.tar β s2_sem_panoptic/stage1/1/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage1/2/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s3_det_pose/stage1/2/checkpoint_0.1334.pth.tar β s2_sem_panoptic/stage1/2/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage1/3/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s3_det_pose/stage1/3/checkpoint_0.1564.pth.tar β s2_sem_panoptic/stage1/3/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage1/4/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/ctaic/{s3_det_pose/stage1/4/checkpoint_0.1245.pth.tar β s2_sem_panoptic/stage1/4/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage2/1/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/detection/1/checkpoint_0.1313.pth.tar β ctaic/s2_sem_panoptic/stage2/1/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage2/2/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/detection/2/checkpoint_0.1334.pth.tar β ctaic/s2_sem_panoptic/stage2/2/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage2/3/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/detection/3/checkpoint_0.1564.pth.tar β ctaic/s2_sem_panoptic/stage2/3/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s2_sem_panoptic/stage2/4/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/detection/4/checkpoint_0.1245.pth.tar β ctaic/s2_sem_panoptic/stage2/4/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s3_det_pose/stage1/1/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/instance/1/checkpoint_0.1313.pth.tar β ctaic/s3_det_pose/stage1/1/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s3_det_pose/stage1/2/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/instance/2/checkpoint_0.1334.pth.tar β ctaic/s3_det_pose/stage1/2/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s3_det_pose/stage1/3/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/instance/3/checkpoint_0.1564.pth.tar β ctaic/s3_det_pose/stage1/3/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s3_det_pose/stage1/4/PLACEHOLDER
DELETED
|
@@ -1,2 +0,0 @@
|
|
| 1 |
-
PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
|
| 2 |
-
See checkpoints/README.md for the expected filename and training copy commands.
|
|
|
|
|
|
|
|
|
checkpoints/{taic/instance/4/checkpoint_0.1245.pth.tar β ctaic/s3_det_pose/stage1/4/checkpoint_best_loss.pth.tar}
RENAMED
|
File without changes
|
checkpoints/ctaic/s3_det_pose/stage2/1/PLACEHOLDER
DELETED
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PLACEHOLDER: replace this file with the real checkpoint (.pth.tar).
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See checkpoints/README.md for the expected filename and training copy commands.
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checkpoints/ctaic/s3_det_pose/stage2/1/checkpoint_best_loss.pth.tar
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version https://git-lfs.github.com/spec/v1
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oid sha256:a8c869589438d291a34911e8dffe8a462e67d0587f94773cee66eb9ecd0a80b1
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size 70789902
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