Method and system for identifying human face in video play
A face recognition and video playback technology, applied in the field of computer vision, can solve the problems of huge parameters in the fully connected layer and poor face feature effects, and achieve the effects of reducing model complexity, improving recognition rate, and ensuring robustness
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Embodiment 1
[0040] A face recognition method in video playback, which specifically includes the following steps:
[0041] S001: Build a face database and feature database with continuous diversity in time series, such as figure 2 shown, including the following steps:
[0042] S001_1: First prepare N types of video samples, for example N=1000, and the number of each type of sample video is not less than 1, each video contains faces with different angles and expressions, and train a face foundation in advance Model;
[0043] S001_2: For each frame of each video, first perform face detection and key point positioning. When the first frame of face image is detected, confirm the face as the current target, align the face image, and use the basic face model to perform feature extraction;
[0044] S001_3: Save the current face alignment image and features to the current target face database;
[0045] S001_4: carry out the next frame of face image detection and key point positioning, and com...
Embodiment 2
[0062] like figure 1 Shown, a kind of face recognition system in the video playing, in this system specifically include: face detection module, sample library construction module, CNN training module, face recognition joint classification module, face detection module and sample library construction The modules are connected, and the sample library construction module is connected with the CNN training module and the face recognition joint classification module respectively, and the CNN training module is connected with the face recognition joint classification module.
[0063] The face detection module is used to perform deep learning-based face detection on the input video and extract face features. The sample library construction module is mainly used to build a diverse face library based on time-domain continuous transformation. The specific construction process as follows:
[0064] Step 1: Construct a short video library of N individuals, each person contains at least on...
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