Deep neural network feature visualization method for constrained optimization class activation mapping

Abstract

The invention discloses a deep neural network feature visualization method for constraint optimization class activation mapping. The method comprises the steps of obtaining a pre-training model whichis used for image classification and is constructed by adopting a deep neural network through training or downloading; carrying out forward transmission on a to-be-detected image by using the pre-training model to obtain a feature map, and carrying out further processing to obtain a final weight vector; and performing weighted summation on each component of the feature map through the final weightvector to obtain a visual feature map, and presenting the visual feature map as a final visual result. According to the method, feature visualization can be carried out on any deep neural network, abetter deep feature interpretability visualization effect can be achieved, and the method has less noise and stronger class discrimination.

Description

technical field [0001] The invention relates to an image feature visualization method in the field of deep learning interpretability, in particular to a deep neural network feature visualization method for constrained optimization and class activation mapping. Background technique [0002] Deep learning techniques have achieved remarkable results and superior performance in some fields, especially in the field of computer vision, such as image classification and other tasks. However, because its mathematical principles have not been fully proven, its end-to-end black-box nature makes it impossible for humans to know how a deep neural network makes decisions. Therefore, research on the interpretability of deep learning has gradually emerged in recent years. One of the most direct ideas is to use visualization technology to obtain image regions that play a positive role in prediction, especially to visualize the feature representation of the middle layer of deep neural network...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems existing in the background, the present invention provides a deep neural network feature visualization method base...

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