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Construction method and device of training set, equipment and storage medium

A technology for constructing methods and training sets, applied in the computer field, can solve the problems of difficulty in guaranteeing the accuracy of manual labeling, time-consuming, and high labor costs.

Active Publication Date: 2021-08-17
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, the category of each image is generally marked manually, resulting in high labor costs, long time consumption, and the accuracy of manual labeling is difficult to guarantee

Method used

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  • Construction method and device of training set, equipment and storage medium
  • Construction method and device of training set, equipment and storage medium
  • Construction method and device of training set, equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] figure 1 It is a flowchart of a method for constructing a training set in Embodiment 1 of the present application. This embodiment of the present application is applicable to the case of efficiently and accurately expanding the training set when the training set only includes a small number of marked images. The method passes The training set construction device executes, and the device is realized by software and / or hardware, and is specifically configured in an electronic device with a certain data computing capability.

[0053] Such as figure 1 A method for constructing a training set is shown, including:

[0054]S101. Acquire a training set, where the training set includes multiple labeled first images.

[0055] In this embodiment, the training set is used to train the classification model, and includes multiple images with labeled categories. The number of categories is at least two, such as cat category, dog category, and the like. For the convenience of descr...

Embodiment 2

[0069] figure 2 It is a flowchart of a method for constructing a training set in Embodiment 2 of the present application. The embodiment of the present application is optimized and improved on the basis of the technical solutions of the above-mentioned embodiments.

[0070] Further, the operation "marking the second image according to the category and image features of the second image" is refined into "extracting the image features of the second image; judging whether the image features of the second image meet the image feature conditions corresponding to the category ; If the image features of the second image do not meet the image feature conditions corresponding to the category, correct the category of the second image, and use the corrected category to label the second image, thereby obtaining an accurately labeled second image.

[0071] Further, after the operation "add the marked second image to the training set", add the operation "return to the operation of using th...

Embodiment 3

[0110] image 3 It is a structural diagram of a training set construction device in Embodiment 3 of the present application. The embodiment of the present application is applicable to the case of efficiently and accurately expanding the training set when the training set only includes a small number of marked images. The device uses Realized by software and / or hardware, and specifically configured in an electronic device with certain data computing capabilities.

[0111] Such as image 3 The shown construction device 300 of a training set includes: an acquisition module 301, a classification module 302, a labeling module 303 and an addition module 304; wherein,

[0112] An acquisition module 301, configured to acquire a training set, the training set includes a plurality of marked first images;

[0113] A classification module 302, configured to use the training set to train the classification model, and use the trained classification model to classify the unmarked second im...

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Abstract

The invention discloses a training set construction method and device, equipment and a storage medium, and relates to the technical field of machine learning. According to the specific implementation scheme, the method includes: obtaining a training set, wherein the training set comprises a plurality of labeled first images; training a classification model by using the training set, and classifying the unlabeled second image by using the trained classification model to obtain the category of the second image; marking the second image according to the category and the image features of the second image; and adding the labeled second image into the training set. According to the embodiment, the high-precision training set can be efficiently constructed, manual participation is not needed, and the labor cost is saved.

Description

technical field [0001] This application relates to computer technology, in particular to the field of machine learning technology. Background technique [0002] In the fields of machine learning and pattern recognition, it is generally necessary to divide samples into three independent parts: training set, validation set and test set. The training set is used to train the model. [0003] In the application scenario where the training set is used to train the image classification model, the number of images and the accuracy of the annotation affect the training accuracy of the classification model. In the prior art, the category to which each image belongs is generally manually marked, resulting in high labor costs, long time consumption, and difficulty in guaranteeing the accuracy of manual marking. Contents of the invention [0004] Embodiments of the present application provide a method, device, device, and storage medium for constructing a training set, so as to effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
CPCG06F18/241G06F18/214
Inventor 梁隆恺
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD