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Processing method for image detail presentation, device and vehicle

A processing device and processing method technology, applied in image data processing, image enhancement, instruments, etc., can solve problems such as high noise, enhanced details, and inability to achieve goals

Active Publication Date: 2016-08-31
安徽奇点智能新能源汽车有限公司
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Problems solved by technology

[0002] The histogram equalization method for image contrast improvement can be divided into two categories, one is global histogram equalization, and the other is local histogram equalization. Global histogram equalization effectively improves the contrast of the image, but ignores the details of the image; Local histogram equalization can enhance the details of the image very well, but the noise is relatively large
In the field that pays more attention to image details, local histogram equalization is an important method. There are many local histogram equalization methods in the prior art, but these methods only partially enhance the details of the image. Presents a more demanding field, unable to achieve the goal

Method used

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  • Processing method for image detail presentation, device and vehicle
  • Processing method for image detail presentation, device and vehicle

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Embodiment Construction

[0027] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0028] figure 1 It shows the image to be detected under the lane recognition scene of an embodiment of the present invention. The image is a grayscale image of the image captured by the vehicle camera. During the driving process of the vehicle, the image needs to be detected to obtain the lane line, or through binarization Get all lane lines in the image to be processed.

[0029] At present, there are many local histogram enhancement methods for image recognition, such as the histogram equalization algorithm (BBHE) that preserves brightness characteristics, the equal-area binary subimage equalization algorithm (DSIHE), and the minimum mean square error double histogram equalization algorithm (MMBEBHE). , Recursive Mean Hierarchical Equalization Algorithm (RMSHE), Sub-block Partial Overlap Algorith...

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Abstract

The invention discloses a processing method for image detail presentation, a device and a vehicle. The method comprises steps that a gray image of a to-be processed image is acquired; histogram equalization of each row of pixels of the gray image is carried out to acquire a first image; histogram equalization of each column of pixels of the first image is carried out to acquire a second image; the second image is outputted to be a result image. According to the processing method for image detail presentation, the device and the vehicle, the histogram equalization method is optimized, the method is suitable for the field having relatively high image detail presentation requirements, so image details can be enhanced to the maximum degree, and the image after being processed has more obvious details.

Description

technical field [0001] The present invention relates to the field of computer image processing, in particular to a computer image processing in the vehicle field, and in particular to a processing method, device and vehicle for presenting image details. Background technique [0002] The histogram equalization method for image contrast improvement can be divided into two categories, one is global histogram equalization, and the other is local histogram equalization. Global histogram equalization effectively improves the contrast of the image, but ignores the details of the image; Local histogram equalization can enhance the details of the image well, but the noise is relatively large. In the field that pays more attention to image details, local histogram equalization is an important method. There are many local histogram equalization methods in the prior art, but these methods only partially enhance the details of the image. Presents a more demanding field and cannot achiev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/40
CPCG06T5/40
Inventor 何君舰刘瑞祥曹红胜赵东旭
Owner 安徽奇点智能新能源汽车有限公司
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