Method and system for eliminating image motion blur
A motion blur and image technology, applied in image enhancement, image analysis, image data processing, etc., can solve problems such as image motion blur, achieve the effect of reducing pixel movement, simple structure, and eliminating image motion blur
Pending Publication Date: 2021-10-22
XI AN JIAOTONG UNIV
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a method and system for eliminating image motion blur to solve the problem of image motion blur
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or collections thereof.
[0042] It should also be understood that the terminology used ...
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The invention discloses a method and system for eliminating image motion blur. The method comprises the following steps: controlling the angular velocity of a camera; adopting a four-rod crank rocker mechanism, connecting a rocker at one end of the four-rod crank rocker mechanism with a camera,connecting an eccentric shaft at the other end of the four-rod crank rocker mechanism with a motor, and controlling the rotating speed of the motor through the angular speed of the camera, so that the maximum angular speed of the rocker is larger than or equal to the angular speed of the camera; setting the exposure of the camera as an external trigger mode, controlling the exposure center moment of the camera to be the moment when the rocker moves to the angular velocity, and triggering the camera to photograph according to the time of the motor rotation period starting point and the time required by the motor from the rotation period starting point to the set angle, thereby realizing image motion blur elimination. The method is simple to implement, does not change the camera, and has a good motion blur elimination effect.
Description
technical field [0001] The invention belongs to the technical field of mechatronics, and in particular relates to a method and system for eliminating image motion blur. Background technique [0002] When shooting a ground object on a high-speed moving airborne device, due to the relative movement between the camera and the ground object during the shutter exposure, a point will be photographed as a line, resulting in motion blur in the image. Algorithms or motion compensation are generally used to eliminate image motion blur. Algorithm compensation is sensitive to noise; while the existing motion compensation structure is complex. [0003] The existing mechanical motion compensation uses the mechanical structure and its components to move the photosensitive medium during exposure, so that the remaining pixel movement amount is as small as possible, so as to achieve the purpose of suppressing motion blur. The American KA-112A aerial reconnaissance aircraft uses the moving fi...
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Login to View More IPC IPC(8): G06T5/00G06T7/00
CPCG06T7/0004G06T2207/10004G06T2207/30164G06T5/70
Inventor 曹俊沈雪峰
Owner XI AN JIAOTONG UNIV