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Image database building method and device

A construction method and image library technology, applied in the field of image library construction method and device, capable of solving the problem of a small number of images in the image library

Inactive Publication Date: 2017-05-17
厦门熵基科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a method and device for constructing an image library, aiming at solving the problem that the number of images in the currently constructed image library is not large

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  • Image database building method and device
  • Image database building method and device

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] The embodiment of the present invention takes the face image as an example for introduction, but the constructed image library includes but is not limited to the face image library, and may also include images of other contents, such as animal images, flower images, machine images, and the like.

[0028] figure 1 It is a flow chart of a method for constructing an image library provided by an embodiment of the present invention.

[0029] In S101, an alignment operation is performed on N images, where N is an integer greater than 1.

[0030] In the embodiment of the present invention, perfor...

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Abstract

The invention can be applied to the technical field of digital image processing, and provides an image database building method and device. The image database building method comprises the steps of carrying out alignment operation on N images, wherein N is an integer larger than 1, conducting key point detection of preset positions in each of the aligned N images, positioning and extracting regional images in the preset positions in the N images according to detection results of key points, interchanging the regional images in the same preset positions in the N images and then saving new images into the image database. By aligning the N images, detecting the key points in the preset positions, extracting the regional images of the preset positions, interchanging the regional images and then synthesizing the new images, the image database building method and device can generate a large-sample-size image database based on few image samples.

Description

technical field [0001] The invention belongs to the technical field of digital image processing, and in particular relates to an image library construction method and device. Background technique [0002] When using the method of deep learning to recognize faces and their attributes, the number of image databases directly affects the recognition accuracy. At present, the main method of image library construction is the oversampling method. The oversampling method is to intercept an image in five directions including up, down, left, and right, and the center, and save the image and its mirror image. One image can be expanded to 10 images . However, the number of images in the image library constructed by this method is not large, so that the accuracy rate of recognizing faces and their attributes based on deep learning is not high. Contents of the invention [0003] The purpose of the embodiments of the present invention is to provide a method and device for constructing ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06F17/30
CPCG06F16/51G06V40/162G06V40/179
Inventor 陈书楷钱叶青
Owner 厦门熵基科技有限公司
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