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Multipath image processing device and method

A multi-channel image processing and image processing technology, which is applied in the field of image processing, can solve the problem of rising chip area cost for image signal processing

Pending Publication Date: 2022-01-07
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, if there is no more efficient image processing technology, the area cost of the image signal processing chip will rise significantly

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  • Multipath image processing device and method
  • Multipath image processing device and method
  • Multipath image processing device and method

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Embodiment Construction

[0034] One object of the present invention is to provide a multi-channel image processing device and method, which can generate redundant pixels for multi-channel video frames, not only to make the size of the video frames consistent, but also to prevent the image frames from being in the image with the calculation window as the unit. The processing is influenced by each other's pixel values, effectively sharing the resources of the image processing circuit. The hardware cost of the multi-channel image processing device can be greatly reduced.

[0035] Please refer to figure 1 . figure 1 A block diagram of a multi-channel image processing device 100 in an embodiment of the present invention is shown. The multi-channel image processing device 100 includes: an image combining circuit 110 , an image processing circuit 120 and an image dividing circuit 130 .

[0036] The image merging circuit 110 is configured to receive multiple image frames. In one embodiment, different imag...

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Abstract

The invention discloses a multi-path image processing device. The image merging circuit is configured to: receive at least one multi-image picture having a maximum number of pixel rows; generating redundant pixel rows in the image frames when the number of the pixel rows is smaller than the maximum number of the pixel rows, so that the number of the pixel rows of all the image frames is equal to the maximum number of the pixel rows; the number of the redundant pixel columns is determined by the size of the maximum calculation window; and combining every two to-be-combined image pictures through the redundant pixel columns to generate a combined image picture. The image processing circuit performs an image processing program on the merged image picture to generate a processed merged image picture, and the image processing program is at least partially calculated according to the maximum calculation window. The image segmentation circuit segments the processed merged image picture to generate a processed image picture.

Description

technical field [0001] The present invention relates to image processing technology, in particular to a multi-channel image processing device and method. Background technique [0002] With the technological evolution of video surveillance systems, the video resolution output by cameras is getting larger and larger, and the number of cameras in the system is also increasing. Under such circumstances, the design of an image signal processing (ISP) chip for processing multiple images will face more challenges. [0003] For example, the area of ​​the image signal processing chip is mainly determined by the size of the memory for temporarily storing images and the size of the logic circuit. The increase of image resolution will make the image signal processing chip require a larger memory capacity for temporary storage. As the number of cameras increases, the logic circuit of the image signal processing chip needs more powerful parallel processing capability. Therefore, if the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N5/265H04N21/43G06T7/11G06T7/10
CPCH04N5/265H04N21/4302G06T7/10G06T7/11H04N23/90G06T1/20G06T1/60G06T5/50G06T2207/20221H04N23/80
Inventor 邱庆哲何东宇金少华戴洪海
Owner REALTEK SEMICON CORP