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ChangeLog
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ChangeLog
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2022-09-14
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* Update the model to v3. The new model is anchor-free instead of anchor-based.
* The number of parameters is sharply dropped to only 55K.
* The runtime speed has been improved to varying degrees on all platforms.
* The performance on WIDER Face is improving from 0.856/0.842/0.727 to 0.887/0.871/0.768.
2021-06-09
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* Now the model is depth-wise based.
* The number of parameters is sharply dropped to only 85K. File size of the PyTorch model is 399KB, while ONNX is 337KB.
* The runtime speed is slightly faster on X86 CPU, and 20% faster on ARM CPU.
* int8-quantization is dropped, but float operations are carried out by AVX2/AVX512/NEON accordingly.
2020-02-27
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* Update the model to v3. The computational cost similar with the previous one.
* Now the algorithm can support 5 landmakr detection.
* AVX512 support is added.
2019-09-14
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* Update the model to v2. The computational cost is doubled. But the speed is almost the same with the previous one because int8 convolutional operation is carried out by AVX2.
* NEON support is not finished.
2019-03-13
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* Release the source code and the model files. Removed the binary libary.
2018-11-17
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* Replaced the AdaBoost methods with a CNN based one.
2017-02-24
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* landmark detection speed reaches to 0.8ms per face. The former version is 1.7ms per face.
2017-01-20
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* 68-point landmark detection added.
2016-11-24
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* Added benchmark.cpp which can run face detection in multiple threads using OpenMP.
2016-11-16
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* Bugs in the previous version were fixed. std::vector was removed from the API because it can cause error.
2016-11-10
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* The API was updated. std::vector was involved.
* The functions can be called in multiple threads at the same time.
2016-10-6
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* The algorithm has been speeded up greatly (2x to 3x).
* The true positive rates (FDDB) have been improved 1% to 2% at FP=100.
* Multi-core parallelization has been disabled. The detection time is still the same.
2016-9-16
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* Speedup again.
* Change function name facedetect_frontal_tmp() to facedetect_frontal_surveillance(). This function now uses a new trained classifier which can achieve a higher detection speed.
2016-6-28
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* 64-bit dll added since there are so many users request it.
* An easter egg is hidden in the 64-bit dll. Can you find it?
2016-6-8
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* Speedup 1.2x
* Added an experimental function facedetect_frontal_tmp(). The function can gain a higher detection rate in video surveillance.