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Image processing method and device

An image processing and original image technology, applied in the field of image processing, can solve problems such as lack of training data, poor model cropping effect, etc., and achieve the effect of eliminating interference

Pending Publication Date: 2020-06-12
SZ DJI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of composition based on learning may result in poor cropping effect of the final learning model due to lack of training data

Method used

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] The existing automatic composition method based on saliency detection, firstly, the visual saliency is not necessarily accurate, which leads to inaccurate detection of the target subject; It is difficult to find an accurate subject only by over-segmenting the original image and passing constraints. At the same time, it will greatly increase the scope of traversal, increase the amount of calculation, and may even introduce unnecessary interference.

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Abstract

The invention discloses an image processing method and device, and the method comprises the steps: carrying out the saliency detection of an original image, and obtaining a saliency map; determining atarget main body based on the saliency map; determining a composition area in the original image according to the target main body and a preset rule; and determining the composition area as a targetimage. The method comprises the steps of detecting a region of visual interest in an original image based on a saliency detection method to obtain a saliency map corresponding to the original image, determining a target body based on the saliency map to effectively eliminate interference of a disordered background, and searching for an optimal composition region according to the determined targetbody and a preset rule to obtain an optimal composition region. Therefore, a target image with better composition is obtained.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to an image processing method and device. Background technique [0002] Visual saliency, that is, when facing a scene, humans automatically process regions of interest while selectively ignoring regions of no interest. These regions of human interest are called salient regions. [0003] Image cropping is an important task in image editing and is used to improve the aesthetic quality of an image. The main goal is to improve the composition of an image, for example by emphasizing objects of interest, removing unwanted regions, and achieving better color balance. In photography, a number of rules such as the rule of thirds, the law of visual balance, and the rule of diagonal dominance are well-defined for creating well-composed images. An automatic image cropping method can help novice photographers and ordinary people provide beautiful cropping suggestions and help users save ...

Claims

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Application Information

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IPC IPC(8): G06T7/11G06T7/136G06T7/187G06T7/194G06T7/62G06T7/90G06T5/40G06T5/50
CPCG06T7/11G06T7/136G06T7/187G06T7/194G06T7/62G06T7/90G06T5/40G06T5/50G06T2207/20221G06T7/00G06F18/00
Inventor 胡攀李志强曹子晟
Owner SZ DJI TECH CO LTD
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