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Method for decoding, displaying and adjusting for high-definition images with dynamic frame rates

An adjustment method and high-definition image technology, applied in image communication, TV, color TV components and other directions, can solve problems such as the difficulty of network video recorders, and achieve real-time effects.

Active Publication Date: 2013-04-03
SHANGHAI VISKING DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This creates difficulties for network video recorders (NVRs) responsible for storage display management

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  • Method for decoding, displaying and adjusting for high-definition images with dynamic frame rates

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0015] Such as figure 1 As shown, a high-definition image dynamic frame rate decoding display adjustment method of the present invention is applied to a network hard disk video recording system. The network hard disk video recording system is mainly composed of a camera data acquisition module, a hard disk data storage module, a hard disk data reading module, and a video data input module. , the video decoding display module is formed, the camera data acquisition module is respectively connected with the network camera for monitoring, the hard disk data storage module and the video data input module, and the video data input module is connected with the video decoding display module, wherein the camera data acquisition module will The video data of the network camera is converted into elementary...

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Abstract

The invention discloses a method for decoding, displaying and adjusting high-definition images with dynamic frame rates. The method includes that a camera data acquisition module converts video data of a network camera into elementary stream data, a timestamp is added to each frame of picture data in the elementary stream data and is a time interval t between a corresponding picture and a previous picture; the camera data acquisition module respectively transmits the elementary stream data added with the timestamps to a hard disk data storage module and a video data input module; the hard disk data storage module stores the elementary stream data; and the video data input module transmits the elementary stream data to a video decoding and displaying module frame by frame to decode and display the elementary stream data according to the timestamps of the elementary stream data, and the video decoding and displaying module is driven in a frame drive mode. The method has the advantages that multiple channels of videos with dynamic frame rates can be decoded and displayed; and requirements on preview instantaneity and video playback smoothness of a network video recorder can be met when the high-definition network camera is connected to the front end of the network video recorder and the frame rates dynamically vary.

Description

technical field [0001] The invention relates to a video equipment control method, in particular to a high-definition image dynamic frame rate decoding display adjustment method. Background technique [0002] At present, most security video surveillance uses digital hard disk video recorder (DVR), which is characterized by the highest resolution can only reach 520 lines (PAL / NTSC), and the video image frame rate is constant within a certain period of time. However, the development trend in the monitoring field is monitoring at higher resolutions, networked monitoring; high-definition network cameras and network video recorders (NVR) are solutions to meet high-definition monitoring. [0003] Unlike traditional digital hard disk recorders (DVRs), network video recorders (NVRs) are fronted by high-definition network cameras instead of traditional analog cameras. There are many types of high-definition network cameras at present, and the frame rate of video recording images chan...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N5/781
Inventor 陈鹏程陈龙周现生
Owner SHANGHAI VISKING DIGITAL TECH