Differential coding mode and computer screen content coding method

A computer screen and coding mode technology, applied in the field of coding, can solve problems such as difficulty in fully adapting to the content of the computer screen

Pending Publication Date: 2022-06-28
上海立方数科信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these technologies are usually designed for a certain computer screen content, and it is difficult to fully adapt to complex and changeable computer screen content.

Method used

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  • Differential coding mode and computer screen content coding method
  • Differential coding mode and computer screen content coding method

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Embodiment Construction

[0035] In the following description, the present invention is described with reference to various examples. However, one skilled in the art will recognize that the various embodiments may be practiced without one or more of the specific details or with other alternative and / or additional methods, materials or components. In other instances, well-known structures, materials, or operations are not shown or described in detail so as not to obscure the concepts of the present invention. Similarly, for purposes of explanation, specific quantities, materials and configurations are set forth in order to provide a thorough understanding of the embodiments of the invention. However, the invention is not limited to these specific details. Furthermore, it is to be understood that the various embodiments shown in the drawings are illustrative representations and have not necessarily been drawn to correct scale.

[0036] In this specification, reference to "one embodiment" or "the embodi...

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Abstract

The invention discloses a computer screen content encoding method, which comprises the following steps of: determining an adopted encoding mode according to the type of a current frame image of computer screen content, encoding the current frame image to obtain image encoding data, and inserting encoding mode information into the head of the image encoding data. Meanwhile, the invention also discloses a differential coding mode, which divides the word processing type computer screen content into N * N square blocks, compares each square block with the square block at the corresponding position of the previous frame to form coded data, and updates the data of the square blocks with differences according to the coded data.

Description

technical field [0001] The present invention relates to the technical field of encoding, in particular to a differential encoding mode and a method for encoding computer screen content. Background technique [0002] With the continuous development of computer and network technology, digital texts, images, graphics and videos have gradually replaced traditional analog media, making media more convenient and extensive editing and dissemination. For example, in applications such as virtual desktops, video conferencing, distance teaching, and telemedicine, screen sharing technology is used to transmit and display the content displayed on the local computer screen to a remote terminal. In order to ensure the quality of the content displayed on the screen during screen sharing, it is necessary to use an appropriate encoding method to encode the content of the computer screen. [0003] Computer screen content has more complex spatial and spectral characteristics than naturally cap...

Claims

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Application Information

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IPC IPC(8): H04N19/147H04N19/176H04N19/70
CPCH04N19/147H04N19/176H04N19/70
Inventor 马茂林白雪松刘炜
Owner 上海立方数科信息技术有限公司
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