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Image border detection method and apparatus

A detection method and frame technology, applied in the field of medical displays, can solve problems such as wrong determination of black and white text or black and white marks, doctor's wrong diagnosis results, image distortion, etc.

Active Publication Date: 2017-05-10
HISENSE VISUAL TECH CO LTD
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Problems solved by technology

[0004] However, using the above method, the black and white text or black and white marks appearing in the color image will be wrongly determined as a grayscale area. If DICOM correction is performed on the black and white text or black and white marks appearing in the color image, the image will Distortion, and even cause doctors to draw wrong diagnosis results

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  • Image border detection method and apparatus
  • Image border detection method and apparatus

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Embodiment Construction

[0027] 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.

[0028] An embodiment of the present invention provides a detection method for an image frame, such as figure 1 shown, including:

[0029] S101. Acquire brightness values ​​of pixels of an image to be detected.

[0030] Wherein, the resolution of the image to be detected is N×M, and both N and M are positive integers. Viewed from the horizontal direction, each row of the image to be detected includes N pixels, and viewed from the vertical direction, each colu...

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Abstract

The embodiments of the invention disclose an image border detection method and apparatus and relates to the field of a medical display, for the purposes of correctly determining the border of an image, conveniently determining whether an image in an area enclosed by each image border is a color image or a gray-scale image later and accordingly determining a correct correction method. The concrete scheme is as follows: brightness values of pixel points of an image to be detected are obtained, according to the brightness value of a pixel point in the i-th row and the j-th column and brightness values of eight pixels points around the pixel point, whether the pixel point in the i-th row and the j-th column is a point on a horizontal border or a point on a vertical border is determined, marking is performed, and finally, image boarders are determined according to horizontal line signs and vertical line signs.

Description

technical field [0001] The invention relates to the field of medical displays, in particular to a method and device for detecting an image frame. Background technique [0002] Medical display is a special display that has special requirements for brightness and resolution. Commonly used medical displays include diagnostic displays and operating room displays. Among them, the display for diagnosis is used to display grayscale images, which are characterized by high resolution, high contrast and high brightness; the display for operating room is used to display color images of surgical auxiliary information for front-end imaging equipment such as endoscopes, and is characterized by resolution The rate is moderate and the brightness is average. In order to improve the quality of images displayed on medical monitors, it is usually necessary to perform medical digital imaging and communications (English: Digital Imaging and Communications in Medicine, abbreviation: DICOM) correc...

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Application Information

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IPC IPC(8): H04N9/64
CPCH04N9/64
Inventor 陈柏钦郑方邰国钦任亮
Owner HISENSE VISUAL TECH CO LTD
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