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Image processing method, device and storage medium

An image processing and color image technology, applied in the field of image processing, can solve the problems of insufficient image contrast enhancement, disappearance, and details cannot be displayed

Active Publication Date: 2021-02-02
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is very useful for images whose background and foreground are too bright or too dark. The disadvantage is that it does not select the processed data and processes all images in the same way, resulting in excessive image contrast enhancement after some images are transformed. The gray level is reduced, some details disappear, or the contrast of some pictures is not enhanced enough, and the details cannot be displayed

Method used

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  • Image processing method, device and storage medium
  • Image processing method, device and storage medium
  • Image processing method, device and storage medium

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Embodiment Construction

[0049] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are only for reference The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention. In the figures, structurally similar elements are denoted by the same reference numerals.

[0050] The drawings and descriptions are to be regarded as illustrative in nature and not restrictive. In the figures, structurally similar elements are denoted by the same reference numerals. In addition, the size and thickness of each component shown in the drawings are arbitrarily shown for understanding and ease of description, but the present invention is not lim...

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Abstract

Provided by the present invention are an image processing method and apparatus, and a storage medium, the method comprising: acquiring a grayscale image of a first color image and a preset cropping ratio value; according to the cropping ratio value, processing the grayscale image of the first color image to obtain a second color image; calculating an image distortion index of the second color image relative to the first color image; and when the image distortion index is less than a preset value, outputting the second color image. By using the method described in the present application, more image details may be displayed.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image processing method, device and storage medium. Background technique [0002] In recent years, the application of High-Dynamic Range (HDR) images has gradually become a hot topic in the field of image processing. HDR images can accurately describe differences in brightness, from faint starlight to bright sunlight, providing viewers with a higher quality viewing experience. However, since the current HDR-related devices are usually very expensive and have limited practical applications, most image processing systems are still equipped with traditional low-dynamic range image (Low-Dynamic Range, LDR) devices. At the same time, the acquisition equipment for HDR images and videos is also very complex and expensive, and many defects have not yet been resolved. For example, multi-exposure shooting devices often bring image artifacts. So Pseudo-HDR came into be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T5/40
CPCG06T5/007G06T5/40G06T2207/10024G06T2207/20208
Inventor 濮怡莹金羽锋史超超
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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