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Secondary histogram equalization dynamic image method

A histogram equalization and dynamic image technology, applied in the field of image processing, can solve the problem of long time spent

Active Publication Date: 2019-12-17
SHIJIAZHUANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a dynamic image method for quadratic histogram equalization, aiming to solve the problem that it takes a long time to process all images with histogram equalization method

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  • Secondary histogram equalization dynamic image method
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  • Secondary histogram equalization dynamic image method

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specific Embodiment approach

[0054] As a specific implementation of the method for the secondary histogram equalization dynamic image provided by the present invention, combining the image to be processed and the image at the second moment to determine the target image includes:

[0055] The image to be processed and the static image in the image at the second moment are stitched together to determine the target image.

[0056] Since the dynamic image can be processed through a series of processing such as calculating the grayscale image, the image grayscale phagocytosis can be placed under the condition of keeping the image entropy value unchanged, and the image can be effectively enhanced while retaining the detailed information in the image. Make dynamic parts stand out. Combine the graphics to be processed and the static image, so that a complete image that highlights the dynamic area can be output, and for devices with strong computing power, it can output a relatively continuous continuous video tha...

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Abstract

The invention provides a secondary histogram equalization dynamic image method, and belongs to the technical field of image processing, and the method comprises the following steps: obtaining a gray level image of a dynamic image, carrying out the statistics of a histogram of the gray level image, obtaining an array HI, and carrying out the zooming of the array HI, and obtaining an array HJ; setting a threshold Y, marking the elements smaller than the threshold Y in the HJ as to-be-replaced elements, and converting the to-be-replaced elements into m-th power of the current to-be-replaced elements to obtain an array HM; constructing an array HN on the basis of the array HM, and constructing a new histogram array H 'I by the array HM and the array HN; and performing cumulative summation on the array H 'I, constructing a to-be-processed image through the new gray level k' ', and splicing the to-be-processed image and the image at the second moment to determine a target image. The secondary histogram equalization dynamic image method provided by the invention can effectively improve the operation speed and consume short time.

Description

technical field [0001] The invention belongs to the technical field of image processing, and more specifically relates to a method for quadratic histogram equalization of a dynamic image. Background technique [0002] Histogram equalization method has become a common method of image enhancement because of its effectiveness and ease of use. The basic idea is to determine the corresponding grayscale output value of the image according to the grayscale probability distribution of the input image, and improve the visual effect of the image by expanding the dynamic range of the grayscale distribution of the image, so as to achieve the purpose of improving the contrast of the image. Since the histogram equalization method performs multi-step processing on the basis of the original image, its calculation process is relatively cumbersome, and the image contains non-important information, and it takes a long time to process all of them. Contents of the invention [0003] The objec...

Claims

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Application Information

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IPC IPC(8): G06T5/40G06T5/50
CPCG06T5/40G06T5/50
Inventor 唐加冕
Owner SHIJIAZHUANG UNIVERSITY