Double-dynamic blurred image restoration method
A technology for dynamic blurring and blurring of images, which is applied in the field of image processing and can solve the problems that other blurring factors cannot achieve deblurring processing, and images cannot achieve sufficient clarity.
Active Publication Date: 2017-03-22
长信智控网络科技有限公司
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[0004] However, in a dual-dynamic environment, there are many reasons for image blurring. If only one blurring factor is used to construct a blurr
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[0028] The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present invention. Rather, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.
[0029] In a dual-dynamic environment, there are many reasons for image blur. The two most important reasons are the defocus blur caused by the change of the motion blur kernel distance caused by motion. The method provided by the embodiment of the present invention establishes dual-dynamic The motion blur kernel and defocus blur kernel model of the blurred image use the motion blu...
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The invention relates to a double-dynamic blurred image restoration method. The double-dynamic blurred image restoration method comprises the following steps of: obtaining a double-dynamic blurred image y, establishing an image pyramid of the double-dynamic blurred image, and establishing a motion blurred kernel and an out-of-focus blurred kernel of the double-dynamic blurred image y according to the image pyramid, wherein the resolution ratio of the blurred image in the image pyramid is sequentially increased from the top layer to the bottom layer; calculating optimal values of the motion blurred kernel, the out-of-focus blurred kernel and a clear image in a current layer of the image pyramid; and, according to the calculated optimal values of the motion blurred kernel, the out-of-focus blurred kernel and the clear image of the current image layer, calculating optimal values of the motion blurred kernel, the out-of-focus blurred kernel and the clear image of a next image layer till the clear image in the bottom layer of the image pyramid is calculated. By means of the method provided in the embodiment of the invention, the clear image is estimated in a process of continuously optimizing the motion blurred kernel and the out-of-focus blurred kernel; and thus, the clear image has enough definition.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to a method for restoring double motion blurred images. Background technique [0002] As time goes by, the tentacles of "mobile electronic eyes" will penetrate into every corner of the city and play an increasingly important role in protecting our "safe city". A safe city is also an important measure of a city's modern management level, and an important measure to realize the security and stability of a city and even the entire country. Only by establishing a reasonable and effective urban video surveillance management system can the government management department discover problems at the first time and propose countermeasures and emergency plans. [0003] The monitoring devices in the urban video surveillance management system, such as cameras and surveillance videos, often capture blurry images. In order to obtain clear images, in the prior art, the blurred images are ...
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Login to View More IPC IPC(8): G06T5/00
CPCG06T5/003
Inventor 史方邹佳运王标
Owner 长信智控网络科技有限公司