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Method for enhancing object profile of image in real-time image

A real-time image and image technology, applied in image enhancement, image analysis, image data processing, etc., can solve the problem of low recognition and achieve the effect of improving recognition and good contour enhancement

Active Publication Date: 2019-10-15
HUNAN VATHIN MEDICAL INSTR CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a method for enhancing the outline of an object in an image in a real-time image. , increasing the difficulty of distinguishing and identifying

Method used

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  • Method for enhancing object profile of image in real-time image
  • Method for enhancing object profile of image in real-time image
  • Method for enhancing object profile of image in real-time image

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Embodiment

[0064] Because we want to process the image in the video in real time and display it in real time, when displaying the current image, we need to process the next frame of image, that is, based on 32×32, divide the next frame of image (1920×1080 pixels) into Multiple image blocks of 60×33.75 pixels, if there is a decimal point, the image blocks are divided by rounding, that is, 60×34 pixels are used as an image block to divide the next frame of image, specifically: Based on 32×31 and 32×26 respectively, the 1920×1080 pixels of the next frame image are divided into 1920×1054 and 1920×26 for block processing, and the final image block is obtained after processing.

[0065] Based on the improved gradient calculation formula I=∑ i ∑ j ((Y1-Y2) / (Y1+Y2)) Gradient calculation is performed on the brightness component of each pixel in each image block to obtain the gradient value of each pixel;

[0066] Determine whether each gradient value is greater than the set threshold. If it is ...

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Abstract

The invention belongs to the technical field of image processing, discloses a method for enhancing an object contour of an image in a real-time image, and solves the problems that an image output by equipment in the prior art is an original image, and the distinguishing and recognition difficulty is improved for an object with relatively low distinguishing degree. The method comprises the following steps: acquiring a shot image, and partitioning a next frame of image in the image to obtain a plurality of image blocks; performing contour enhancement on each pixel in each image block based on agradient algorithm; on the basis of a Gaussian filtering method, performing noise filtering on the multiple image blocks with the enhanced contours as a whole, and obtaining an image with noise filtered out; and on the basis of gamma transformation, carrying out bright and dark contrast processing on the whole image after noise filtering to obtain a finally enhanced image. The method is used for enhancing the contour in the image.

Description

technical field [0001] The invention belongs to the technical field of real-time video image processing, and in particular relates to a method for enhancing the outline of an object in an image, which is used for enhancing the outline in the image. Background technique [0002] Medical Imaging is the study of the interaction with the human body by means of a certain medium (such as X-rays, electromagnetic fields, ultrasonic waves, etc.), and displays the structure and density of the internal tissues and organs of the human body in the form of images for doctors to watch, so as to understand the human body. Visual information for research, including two relatively independent research directions of medical imaging system and medical image processing. [0003] Mainly including X-ray imaging equipment, CT (ordinary CT, spiral CT), positron emission tomography (PET), ultrasound (sub-B ultrasound, color Doppler ultrasound, cardiac color ultrasound, three-dimensional color ultraso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T5/00G06T2207/20021G06T2207/20192G06T2207/10016G06T2207/10116G06T2207/10081G06T2207/10088G06T2207/10104G06T2207/10132G06T5/73G06T5/70G06T2207/20024G06T5/90
Inventor 不公告发明人
Owner HUNAN VATHIN MEDICAL INSTR CO LTD
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