Certificate photo matting method and system based on end-to-end convolutional neural network

Abstract

The invention relates to the technical field of image processing, and particularly discloses a certificate photo matting method based on an end-to-end convolutional neural network, which comprises thefollowing steps: synthesizing a foreground image in a matting mask of a certificate portrait photo with an Internet photo to obtain a training image; generating a coarse segmentation Trimap network according to the lightweight semantic segmentation network model; performing refined matting on the coarsely segmented Trimap network according to the encoding and decoding network to obtain a refinedmatting network; cascading the coarsely segmented Trimap network and the refined matting network to obtain an end-to-end network model; and inputting the training image into the end-to-end network model for fine adjustment to obtain a trained end-to-end network model. The invention further discloses a certificate photo matting system based on the end-to-end convolutional neural network, a storagemedium and a processor. According to the certificate photo matting method based on the end-to-end convolutional neural network, the corresponding matting prospect can be automatically obtained for thecertificate photo, manual annotation is not needed, and the matting efficiency is improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an end-to-end convolutional neural network-based ID photo matting method, an end-to-end convolutional neural network-based ID photo matting system, a storage medium and a processor. Background technique [0002] A ID photo is a photo used to prove the identity of the ID holder. It is commonly found on various ID cards, such as ID cards, passports, and driver's licenses. With the development of society, the types of certificates that people handle are also increasing, and some certificate photos have strict restrictions on the color of the photo background. For example, when applying for visas to the United States and travel permits to Taiwan, China, the photos used for visas are required to use a white background, and when applying for rural pension application forms, the ID photos of applicants are required to use a red background. In order to automatically cha...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a certificate photo matting method based on end-to-end convolutional neural network, a certificate photo matting system based on end-to-end convolu

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