A Method of Face Recognition Scene Adaptation Based on Convolutional Neural Network

A convolutional neural network and face recognition technology, which is applied to biological neural network models, neural architectures, character and pattern recognition, etc., can solve problems such as high difficulty, low accuracy, and poor adaptability to different scenarios, so as to ensure accurate performance, improve accuracy, and ensure scene adaptability

Active Publication Date: 2021-10-22
ANHUI CHAOYUAN INFORMATION TECH
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AI Technical Summary

Problems solved by technology

[0010] 1) Complex features need to be manually designed, which is relatively difficult;
[0011] 2) Poor resistance to interference factors such as light and deformation, and low accuracy
[0016] 1) Poor adaptability to different scenarios;
[0017] 2) When extracting features, operate on the entire face image, and cannot emphasize important parts with large differences such as facial features

Method used

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  • A Method of Face Recognition Scene Adaptation Based on Convolutional Neural Network
  • A Method of Face Recognition Scene Adaptation Based on Convolutional Neural Network
  • A Method of Face Recognition Scene Adaptation Based on Convolutional Neural Network

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Embodiment Construction

[0053] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0054] see figure 1 , the present invention is based on the face recognition scene adaptation method of convolutional neural network and comprises the following steps:

[0055] 1) Collect face data and make classification labels, do preprocessing and data enhancement on the labeled face image data, and divide them into two parts: training set and verification set;

[0056]Collect 10,000 types of face data, 20 pieces of each type, a total of 200,000 face images, perform face correction processing on these data, and divide the processing result data into two parts: training set (15 face images for each type), verifi...

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Abstract

A method for face recognition scene adaptation based on a convolutional neural network, including: 1) collecting face data and making classification labels, preprocessing and enhancing the data, and dividing it into a training set and a verification set; 2) dividing the training set Send the data into the designed convolutional neural network for training to obtain the pre-training model; 3) test the pre-training model with the verification set data, adjust the training parameters according to the test results and retrain; 4) repeat 3) to obtain the best pre-training model; 5) Collect face image data according to different application scenarios, fine-tune the pre-training model on the newly collected data, and obtain a new model that adapts to the scene; The facial features are weighted to obtain the final feature vector; 7) Use the cosine distance to measure the final feature vector, judge whether it is the target face, and output the result. The invention has the advantages of ensuring the accuracy of face recognition and the scene adaptability of the model.

Description

technical field [0001] The invention relates to the field of face recognition analysis, in particular to a face recognition scene adaptation method based on the combination of convolutional neural network and transfer learning. Background technique [0002] With the rapid development and progress of Internet technology, the demand for technology such as public safety and personal privacy is becoming more and more urgent. In recent decades, the rapid development of biometric identification technology can solve the above problems well. As an intrinsic attribute of the human body, biological characteristics have strong self-stability and uniqueness. At present, biometric identification technologies mainly include face recognition, fingerprint recognition, iris recognition, and voice recognition. Compared with other biometric identification technologies, face recognition technology has the characteristics of easy collection, non-contact, and friendliness, and is easy to be acc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/62G06N3/04
CPCG06V40/171G06V40/172G06N3/045G06F18/214
Inventor 李腾杨士猛王妍
Owner ANHUI CHAOYUAN INFORMATION TECH
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