Image splicing method and device

A technology of image splicing and splicing positions, which is applied in the field of image processing, can solve the problems of increasing hardware power consumption and computing time, multiple memory and computing resources, and consuming hardware devices, so as to reduce complexity and difficulty and improve computing efficiency , the effect of flexible splicing

Active Publication Date: 2020-08-07
HANGZHOU HIKVISION DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the current stitching process of multiple JPEG images, whether it is decoding, encoding, or spatial domain image stitching, it needs to consume more memory and computing resources of hardware devices, and increase the power consumption and computing power of hardware devices. Time, bring a greater burden to hardware equipment
Also, the burden increases as the resolution of the image increases

Method used

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  • Image splicing method and device
  • Image splicing method and device

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Embodiment Construction

[0054] Here, the exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings, and when the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. Moreover, the implementations described in the following exemplary embodiments do not limit the present invention, and the structural, method, or functional changes made by those skilled in the art according to these implementations are all included in the protection scope of the present invention Inside.

[0055] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The invention provides an image splicing method and device. The method comprises the steps of determining a target restart interval of N sub-images needing to be spliced, wherein the target restart interval is used for encoding the N sub-images before image splicing, and N is a positive integer greater than or equal to 2; separately encoding the N sub-images into corresponding compressed code streams according to the target restart interval; splicing all compressed code streams corresponding to the N sub-images according to predetermined splicing positions of the N sub-images in a spliced image to obtain a target code stream corresponding to the spliced image of the N sub-images; and splicing the N sub-images at least along the width direction of the image. Therefore, the steps of decodingthe sub-image compressed code streams of the plurality of sub-images, splicing all the decoded spatial domain reconstructed images, encoding the spliced ultra-large image and the like are eliminated,the memory and operation resources of hardware equipment are saved, and the operation efficiency of the hardware equipment is improved.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image splicing method and device. Background technique [0002] With the development of image processing technology and users' demands for higher and higher image clarity, the resolution of images collected by current image sensors is also getting higher and higher. However, since the storage space occupied by the image and the amount of transmission required for transmission are positively related to the resolution of the image, in order to reduce the storage cost and transmission cost, it is necessary to compress the image data, that is, to perform encoding processing to reduce the image resolution. Storage capacity and transmission capacity. Correspondingly, when an image needs to be viewed, the image coded data (that is, the compressed code stream) must be decoded to display the image screen. [0003] Among them, there will be situations where it is necessary to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/172H04N19/42H04N19/44H04N19/91H04N5/232H04N5/265
CPCH04N19/172H04N19/44H04N19/42H04N19/91H04N5/265H04N23/80
Inventor 陈建华
Owner HANGZHOU HIKVISION DIGITAL TECH
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