Face video heart rate estimation system and method based on token learning
A token and video technology, applied in the field of face video heart rate estimation system based on token learning, can solve the problems of weak generalization, weak, poor accuracy of heart rate estimation results of face video, etc., to improve accuracy and Robustness, Improving Prediction Accuracy, Improving Robustness Effect
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[0055] The specific implementation technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.
[0056] In this embodiment, a face video heart rate estimation system based on token learning, such as figure 1 As shown, it includes: facial key point detection module, feature extraction module, rPPG signal prediction module and heart rate calculation module.
[0057] Among them, the facial key point detection module detects the position of facial key points from each frame of face image of the input face video;
[0058] In the specific implementation, a section of face video is input, and the facial key point position of each frame of face image in the face video is detected using the deep learning-based face detector OpenFace;
[0059] The structure diagram of the feature extraction module is as follows figure 2 As shown in the figure, the facial region of interest is selected by the position of the facial key po...
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