Camera middle layer image processing method and system on chip

An image processing and intermediate layer technology, applied in image communication, electrical digital data processing, inter-program communication, etc., can solve problems such as interface display freezes and affect user experience, reduce system resources, avoid yellowing and water ripples, and ensure Shows the effect of picture quality

Active Publication Date: 2019-01-01
SANECHIPS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the user level, the main performance is that the interface display freezes during the video conference call, which ultimately affects the user experience

Method used

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  • Camera middle layer image processing method and system on chip
  • Camera middle layer image processing method and system on chip
  • Camera middle layer image processing method and system on chip

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Embodiment Construction

[0053] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0054] refer to Figure 9 , in existing application scenarios, video calls are usually performed through the steps shown in the figure. The image acquisition device first collects MJPEG images in real time, and transmits the collected images to the middle layer of Camera. The middle layer of Camera is used for fault tolerance, scheduling and filtering of the collected data; for the distribution and other processing of the decoded data, these operations are completed by the CPU;

[0055] Wherein, the step of decoding is carried out by the image decoder, and the decoded image data includes the MJPEG image collected locally and the H264 video stream from the remote en...

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Abstract

A Camera middle layer image processing method and a system on chip are provided. By adding fault-tolerant processing, abnormal or missing video data is pre-repaired in order to reduce the probabilityof error during video data decoding, and hardware decoding is carried out by a decoder as much as possible in order to reduce the probability of software calling for decoding and improve the decodingperformance of the system on chip. Meanwhile, a step of filtering processing is added in order to meet the requirements of subsequent modules and improve the display performance of the system. The multi-core central processing unit of the system on chip is bound to different threads to realize parallel operation of software and hardware and to further improve the display performance of the systemon chip. In addition, as a better decoded data format is selected for the system on chip, higher display quality can be provided while the display performance is guaranteed.

Description

technical field [0001] The invention relates to the technology of the middle layer of Camera, in particular to an image processing method of the middle layer of Camera and an on-chip system. Background technique [0002] With the popularity and development of embedded mobile networks, the functions of the System on Chip (SoC, System on Chip) in embedded devices are becoming more and more powerful. Therefore, the application of embedded devices is becoming more and more extensive. For example, users can A variety of multimedia applications (APP, application), such as video call APP, online meeting APP, etc., are installed in the embedded system, so as to communicate with each other in real time. Taking online conferences as an example, the requirements for the effect of image display are very high, so the real-time and fluency of image display are important indicators for people to measure and purchase embedded devices. [0003] The application scenario of an online conferen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/42H04N19/44H04N19/80G06F9/54
CPCG06F9/546G06F2209/547H04N19/42H04N19/44H04N19/80
Inventor 赵丙山
Owner SANECHIPS TECH CO LTD
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