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Image processing method and apparatus based on sensing resolution

An image processing and definition technology, applied in image communication, television, electrical components, etc., can solve the problems of not improving image compactness, not increasing image information, and visual imperceptibility, so as to achieve better image compression efficiency, The effect of eliminating edge information and removing data redundancy

Inactive Publication Date: 2008-02-06
ROUTON ELECTRONICS CO LTD
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Problems solved by technology

Therefore, the key technical problem of the preprocessing of the original video image is: what kind of processing algorithm is used to improve the visual effect of the preprocessed video image, rather than the fidelity data itself; and, how to control the original video image and the postprocessing Distortion between video images, making it visually imperceptible
After the video image is collected by the image acquisition device, due to the existence of various interferences, there will be many noises, such as granular noise, which can be easily removed by edge-preserving spatial filtering, such as median filtering, various In addition, under normal circumstances, the enhanced method is used to preprocess the image, but we have already mentioned that such operations do not increase image information and cannot contribute to the compactness of the image itself. , can not improve the current problem of fully and effectively utilizing the limited bandwidth

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  • Image processing method and apparatus based on sensing resolution
  • Image processing method and apparatus based on sensing resolution
  • Image processing method and apparatus based on sensing resolution

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and examples, but the following examples should not be construed as limiting the present invention.

[0025] Referring to Fig. 2, the image processing flow includes that the image acquisition device inputs the collected video data into the video data buffer for image preprocessing; the image preprocessing 1201 performs preliminary processing on the data in the video data buffer, that is, the video data is blurred Process 1301 and noise removal 1302, and then input the data to the video data buffer of image noise reduction processing 1202 based on perceived sharpness; image noise reduction processing 1202 based on perceived sharpness performs sharpness processing on the data in the buffer, specifically Refer to Figure 3 for the process; the image compression algorithm 1203 encodes the noise-reduced video data using a specified compression encoding algorithm, and finally tra...

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Abstract

This invention relates to an image process method and a device. This method computes the image clearness calculation threshold and carries out adaptive strength to the entire image based on the threshold parameter. The device includes a computing device and a strengthening device. Compared with the current technology, this invention has the following advantages: fully utilizing the clearness sensing ability of man-eye, eliminating the un-sensitive edge information and remove data redundancy to increase the compactness of data and quality of images.

Description

technical field [0001] The invention relates to a video image processing method, in particular to an image processing method based on perceived definition. Background technique [0002] With the development of digital signal technology and computer network, the application field of image is more and more extensive, in digital TV, World Wide Web (WWW), real-time multimedia monitoring, mobile multimedia communication under low bit rate, in content storage and retrieval multimedia system , video streaming and visual games on the Internet / Intranet, virtual meetings based on facial expression simulation, interactive multimedia applications on DVD, and computer network-based visual cooperation laboratory scene applications, etc., need to process a large amount of image data and video data , but there is a contradiction between limited resources and a large amount of image data and video data, so it is necessary to compress the image. From the perspective of image compression, the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/26H04N19/105H04N19/117H04N19/182
Inventor 汪国有张学阳杨永祥
Owner ROUTON ELECTRONICS CO LTD
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