Target candidate region extraction method based on image background mask

A region extraction and background technology, applied in the field of target detection and deep learning, can solve problems such as untargeted, high time complexity, and redundant windows

Inactive Publication Date: 2018-10-12
TIANJIN UNIV
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Problems solved by technology

Traditional object detection methods usually use a sliding window method. This region selection strateg

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  • Target candidate region extraction method based on image background mask
  • Target candidate region extraction method based on image background mask
  • Target candidate region extraction method based on image background mask

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Embodiment Construction

[0024] Different from the traditional selective search algorithm and other candidate area extraction algorithms based on sliding windows, and the candidate area network that proposes multiple candidate frames for the same target, the present invention adopts the method of training GAN. The generative model and the discriminative model are alternately trained to optimize it, and finally the background mask image is directly generated from the original natural image. Mask the background in black or grayscale and keep the original pixels of the target area unchanged, which is equivalent to the target area being on a black image or a grayscale image with prominent color and structure information, then it is equivalent to The extraction of target candidate regions in natural images is completed.

[0025] In order to make the technical solution of the present invention clearer, the specific implementation manners of the present invention will be further described below. Such as fi...

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Abstract

The invention relates to a target candidate region extraction method based on an image background mask, comprising the following steps: (1) constructing an image background mask data set; (2) buildinga GAN model, and adding a background mask for an image by adopting a GAN training way; (3) defining a loss function, namely enabling a generated picture and a trained target picture to be similar tothe utmost extent when a detail part of high-frequency structural information in the image is processed, and defining the loss function to be a combination of a GAN target function and one-norm distance loss of a composite image; and (4) carrying out model training.

Description

technical field [0001] The invention belongs to the field of target detection and deep learning, and relates to a method for extracting target candidate regions in natural images by applying a generative confrontation network model based on the idea of ​​image masking. Background technique [0002] The extraction of the target candidate area is to find out the area where the target object may exist in the image, which belongs to the category of target detection. Traditional object detection methods usually use a sliding window method. This region selection strategy that traverses the entire image is not targeted, has high time complexity, and has redundant windows. On the basis of region nomination, by using the texture, edge, color and other information in the image, the possible location of the target object in the image can be found in advance. A commonly used region nomination algorithm is the selective search algorithm. [0003] Inspired by the structure of the visual...

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Application Information

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IPC IPC(8): G06T7/11G06K9/34G06N3/04G06N3/08
CPCG06N3/08G06T7/11G06T2207/20088G06T2207/20081G06T2207/10024G06T2207/10004G06V10/267G06N3/045
Inventor 侯春萍莫晓蕾杨阳管岱夏晗
Owner TIANJIN UNIV
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