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Image processing method, device and system

An image processing and image technology, applied in the field of image processing, can solve the problems of poor scalability of image processing mechanism, high processor performance requirements, and high implementation complexity, so as to reduce the amount of transmitted data, improve the refresh frame rate, and reduce the amount of data. Effect

Active Publication Date: 2020-11-24
HANGZHOU HIKVISION DIGITAL TECH
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  • Abstract
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Problems solved by technology

The first method needs to purchase a professional graphics card, which is complex to implement and increases the cost; the second method needs to send all the data of the UHD image to the display. This implementation process requires high processor performance, and due to the implementation process consumes a lot of performance of the processor, so the refresh frame rate is low. In addition, this image processing mechanism based on serial processing has poor scalability

Method used

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  • Image processing method, device and system
  • Image processing method, device and system
  • Image processing method, device and system

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0019] figure 1 A flowchart showing an image processing method according to an exemplary embodiment of the present invention.

[0020] figure 1 is a diagram illustrating a conventional image processing method. Such as figure 1 As mentioned above, the processor processes the acquired image into a UHD image based on the super-resolution algorithm. S...

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Abstract

The invention provides an image processing method, device and system. The image processing method comprises the steps that received images are converted into an ultra high-definition image; a reference image is determined on the basis of the ultra high-definition image obtained after conversion and sent to a display unit to be displayed; the current-frame ultra high-definition image is compared with the reference image to determine an image area, generating changes compared with the reference image, in the current-frame ultra high-definition image; and image data corresponding to the image area is sent to the display unit to allow the display unit to update the currently-displayed reference image according to the image data. According to the method, the transmitted data amount is decreased, the requirement on the data bandwidth is lowered, and the refreshing rate is increased.

Description

technical field [0001] The present application relates to the field of image processing, in particular to an image processing method, device and system for ultra-high-definition images. Background technique [0002] Ultra High-Definition (UHD, also known as ultra-high resolution) is the next-generation display technology after FHD (FullHD, full high-definition). The latest approval by the International Telecommunication Union refers to displays with a screen resolution of 4K (3840×2160 pixels) and above (eg, 7680×2160 pixels, 4096×4096 pixels, etc.) as UHD. The display of ultra-high-definition images puts forward high requirements on data processing and transmission. [0003] At present, the display of UHD images mainly includes two ways: one way is to generate ultra-high-resolution images by cascading multiple graphics cards and image access boards, and develop image access boards at the same time. Process and transmit ultra-high-resolution images from the graphics card, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01
CPCH04N7/0117H04N7/0125
Inventor 戴鑫徐建国徐宁
Owner HANGZHOU HIKVISION DIGITAL TECH
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