human/TODO.md

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# To-Do list for Human library
## Big Ticket Items
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Implementation of WebGPU backend
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*Target: `Human` v2.3 with `Chrome` v94 and `TFJS` v4.0*
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<br>
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## Work in Progress
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WebGL shader optimizations for faster load and initial detection
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- Implement WebGL uniforms for shaders: <https://github.com/tensorflow/tfjs/issues/5205>
- Fix shader packing: <https://github.com/tensorflow/tfjs/issues/5343>
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<br>
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## Exploring
- Optical Flow: <https://docs.opencv.org/3.3.1/db/d7f/tutorial_js_lucas_kanade.html>
- TFLite Models: <https://js.tensorflow.org/api_tflite/0.0.1-alpha.4/>
## Known Issues
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### Object Detection
Object detection using CenterNet or NanoDet models is not working when using WASM backend due to missing kernel ops in TFJS
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*Target: `Human` v2.2 with `TFJS` v3.9*
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- CenterNet with WASM: <https://github.com/tensorflow/tfjs/issues/5110>
- NanoDet with WASM: <https://github.com/tensorflow/tfjs/issues/4824>
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### Face Detection
Enhanced rotation correction for face detection is not working in NodeJS due to missing kernel op in TFJS
Feature is automatically disabled in NodeJS without user impact
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*Target: `Human` v2.2 with `TFJS` v3.9*
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- BlazeFace rotation correction in NodeJS: <https://github.com/tensorflow/tfjs/issues/4066>
### Hand Detection
Enhanced rotation correction for hand detection is not working in NodeJS due to missing kernel op in TFJS
Feature is automatically disabled in NodeJS without user impact
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*Target: `Human` v2.2 with `TFJS` v3.9*
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- HandPose rotation correction in NodeJS: <https://github.com/tensorflow/tfjs/issues/4066>
Hand detection using WASM backend has reduced precision due to math rounding errors in backend
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*Target: N/A*