Video denoising method based on video coding
A technology of video noise reduction and video coding, applied in the field of computer vision, to achieve the effect of fast and efficient video noise reduction process and size reduction
Pending Publication Date: 2020-07-17
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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[0004] Video coding and video noise reduction technologies have been widely used in their respective fields, but there is still a lack of corresponding technologies to combine the advantages of the two to efficiently achieve video noise reduction
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[0045] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0046] Such as figure 1 Shown, a kind of video noise reduction method based on video coding, comprises the following steps:
[0047] S1. Perform video encoding processing on the video to be denoised, and construct an encoding path corresponding to the denoised image block of the current image frame;
[0048] The motion vectors of similar image blocks corresponding to each noise-reduced image block are recorded in the encod...
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The invention discloses a video denoising method based on video coding, which comprises the following steps: S1, performing video coding processing on a video to be denoised, and constructing a codingpath corresponding to a denoised image block under a current image frame; S2, endowing each similar image block with different mixing weights according to the coding path; S3, performing consistencycheck on the similar image blocks and the noise reduction image blocks according to the coding path to obtain corresponding image block masks; S4, performing image block fusion according to the mixedweight and the image block mask to complete noise reduction of one frame of video; and S5, completing video noise reduction of continuous frames according to the steps S1 to S5. The method provided bythe invention integrates the advantages of reducing the size of a video file by video coding, accelerating video transmission and reducing video noise interference by video noise reduction, thereby realizing a rapid and efficient video noise reduction process by combining the two technologies.
Description
technical field [0001] The invention belongs to the technical field of computer vision, and in particular relates to a video coding-based video noise reduction method. Background technique [0002] Video coding is a very important technology widely used in the fields of video compression and video transmission. By reducing the redundancy of video space and time, video coding technology reduces the size of video files to a large extent and provides a fast transmission of video. possibility. [0003] Video noise reduction is to use temporal and spatial information to reduce the noise interference in the image, so as to generate a clear image. In daily life, due to the existence of dark light, insufficient exposure time and other reasons, often the captured video will suffer from serious noise interference. Therefore, it is necessary to use a video noise reduction technology for post-processing of the video. [0004] Both video coding and video noise reduction technologies h...
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Login to View More IPC IPC(8): G06T5/00H04N19/122H04N19/139H04N19/182
CPCH04N19/139H04N19/122H04N19/182G06T2207/10016G06T5/70
Inventor 代鹏刘帅成曾兵
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA