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Image processing method, system and device

An image processing and current image technology, applied in the field of image processing, can solve the problems of reducing the overall resolution of video images, affecting the clarity of important information, etc., and achieve the effect of improving clarity and overall resolution

Active Publication Date: 2011-05-11
NEW H3C TECH CO LTD
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Problems solved by technology

However, the existing video coding system does not distinguish between the region of interest and the region of non-interest, so that the coding weights of each region in the entire frame of video image are the same, so that the overall resolution of the video image is reduced, and the clarity of some important information is also affected. Spend

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  • Image processing method, system and device
  • Image processing method, system and device
  • Image processing method, system and device

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] see figure 2 , figure 2 The basic flowchart of the image processing provided by the embodiment of the present invention. Such as figure 2 As shown, the process may include the following steps:

[0031] Step 201, poll macroblocks in the current image frame.

[0032] Here, the current image frame usually includes multiple macroblocks, where the size of the macroblocks is not specifically limited in this embodiment of the present invention.

[0033] Step 202, determine the level of the current macroblock.

[0034] Here, the current macroblock is specifically the macroblock currently polled in step 201. Preferably, as for how to determine the level of the current macroblock, the level of the moving macroblock is greater than the level o...

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Abstract

The invention discloses an image processing method, a system and a device; wherein, the method comprises A. polling macro blocks in current image frames and determining the currently polled macro blocks as the current macro blocks; B. determining levels of the current macro blocks; C. carrying out coding on the current macro blocks according to the coding parameters and code rates corresponding to the determined levels. By adopting the invention, coded weights are varied for macro blocks at varied levels. In the prior art, not the coded weights of macro blocks in the video image of the whole frame are the same, therefore, the whole resolution of the video image can be improved; generally, macro blocks at high levels contain relatively important information accordingly. By adopting the embodiment of the invention, the definition of important information can be greatly improved.

Description

technical field [0001] The present invention relates to image processing technology, in particular to an image processing method, system and device. Background technique [0002] At present, video surveillance technology has been widely used because of its real and effective characteristics. Wherein, the video monitoring specifically encodes the monitored video images, and then transmits the encoded video images to the network. see figure 1 , figure 1 System diagram for conventional video image coding. Such as figure 1 As shown, the system includes a video collector 101 , an encoder 102 , a code rate controller 103 and an entropy encoder 104 . Wherein, the video acquisition device 101 is used to collect video images in units of frames; the code rate controller 103 is used to control the encoder 102 to encode at a single code rate; Under the control, the video images collected by the video collector 101 are uniformly encoded, and then the encoded video images are sent t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/26H04N7/30H04N19/139H04N19/167H04N19/176
Inventor 孔令波雷奕黄建强
Owner NEW H3C TECH CO LTD
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