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Classification precision-kept online image set compression method

A compression method and precision maintenance technology, applied in the field of image processing, can solve the problem that the quantitative influence of image classification accuracy is not clear, and achieve the effect of reducing the required time, reducing demand, and strengthening the robust performance of classification

Active Publication Date: 2018-11-13
DONGHUA UNIV
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Problems solved by technology

Different image compression parameters generate compressed image sets with different storage capacities, but the quantitative impact of compression parameters on image classification accuracy is not yet clear

Method used

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  • Classification precision-kept online image set compression method
  • Classification precision-kept online image set compression method
  • Classification precision-kept online image set compression method

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Embodiment Construction

[0017] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0018] The embodiment of the present invention relates to an online image set compression method with classification precision maintenance, comprising the following steps:

[0019] Step 1. Initialization process. The first image set needs to work in training mode and test all compression parameters to obtain the optimal compression method F * 1 , the corresponding compression parameter is {Q * (I 1 ),S * (I 1 )}, the cla...

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Abstract

The invention relates to a classification precision-kept online image set compression method. The method comprises the following steps of: properly compressing two compression parameters, such as a quality factor Q and a resolution S, of an image set; carrying out classification test on image sets obtained under different compression parameters under a convolutional neural network classifier on the basis of the convolutional neural network classifier; comparing and analyzing classification precision so as to obtain a classification precision-kept data set compression method; and providing reference for a subsequent image set classification precision-kept double-parameter compression method by utilizing a classification precision-kept optimum compression method. According to the method, online image set classification precision-kept optimum compression methods can be rapidly and correctly found, so that the time required for online image set classification precision-kept optimum compression is greatly shortened.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an online image collection compression method with classification precision maintained. Background technique [0002] As an important pattern recognition problem, image classification needs to classify the image set according to certain standards according to the characteristics of the image, and it has received more and more attention in the military and civilian fields. In recent years, the framework of "feature extraction + classifier" mode has become a classic architecture in the field of pattern recognition. Convolution Neural Network (CNN) has been widely used in the field of image classification. The CNN framework first extracts the features of the image set, and sends the extracted image features of the dataset to the classifier for classification, and finally obtains the image classification results. Compared with the traditional image classification, the CNN ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T9/00
CPCG06T9/002
Inventor 吴乐明刘浩魏国林孙嘉曈陈根龙刘洋黄震况奇刚
Owner DONGHUA UNIV
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