Constant-speed blurred image construction method and device based on splicing of two frames of static images

Abstract

The invention provides a constant-speed blurred image construction method and device based on splicing of two frames of static images, belonging to an image movement analyzing part in the common image data processing or generating field. The method comprises the following steps of: deducing a blurred distance of a target under an actual condition according to the target in an actual scene, an optical system and parameters of an image sensor, and inversely deducing to an image space to obtain a distance of positions of the target in two spaces; and carrying out two times of imaging on a substituted target of the positions of the two spaces and constructing a constant-speed blurred image according to image information. The substituted target in the device comprises two parts including a static background and a movable target; and the movable target can do two-dimensional movement in a view field range of a substituted optical system in a direction which is vertical to an optical axis of the device. The method and the device can utilize a room-temperature visible light target to equivalently replace a high-temperature target; a low-speed movement is matched with two times of imaging to equivalently replace a high-speed movement, so that the experiment difficulty is reduced and the experiment safety is improved; and a plurality of groups of experiment data are easy to obtain and the experiment cost is greatly reduced.

Description

technical field [0001] A method and device for constructing a uniform-speed blurred image based on the stitching of two frames of static images belongs to the motion analysis part in the field of general image data processing or generation, and in particular relates to a method and device for constructing a uniform-speed blurred image based on stitching of two frames of static images. Background technique [0002] The moving image transfer function is a physical quantity that quantitatively describes the degree of image quality degradation caused by the movement of the target image on the surface of the image sensor. The motion information of the target image is extracted from a motion blurred image to obtain the moving image transfer function, which can be used for the motion blurred image. Restoration provides a theoretical basis. [0003] This technology can be directly applied in the field of image information acquisition of aerospace and fast-moving devices, imaging ult...

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Problems solved by technology

[0012] The present invention is aimed at the problem of how to simulate real scenes under laboratory conditions, high-temperature and high-speed targets, and obtain motion blurred images with the same effect in the prior art, and proposes a uniform-speed blurred image based on two-frame static image stitching Construction method and device; the method and device can replace the high-temperature target equivalently with a normal-temperature visible light target, and replace the high-speed motion with low-speed motion combined with two imaging equivalents, which not only reduces the difficulty of the experiment, improves the safety of the experiment, and is easy to obtain multiple Group experimental data, greatly reducing the cost of the experiment

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