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Method for splicing aviation multi-pixel parallel scanning images

An image and multiple technology, applied in the field of remote sensing image processing, can solve the problems of unsatisfied area array camera perspective projection model, image deformation, etc., and achieve the effect of solving local geometric inhomogeneity deformation and ensuring the effect

Inactive Publication Date: 2013-12-18
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

However, an aerial multiplex parallel-scan image is obtained by scanning with a linear array CCD, that is, an image is scanned and imaged in chronological order, which does not satisfy the perspective projection model of an area array camera, and the image will have partial distortion during the scanning process. out of shape

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  • Method for splicing aviation multi-pixel parallel scanning images
  • Method for splicing aviation multi-pixel parallel scanning images
  • Method for splicing aviation multi-pixel parallel scanning images

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the...

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Abstract

The invention provides a method for splicing aviation multi-pixel parallel scanning images. According to the method, 'dimension plus rotation' transformational models are adopted in geometric transformational models of two adjacent frames, perspective projection models of area-array cameras are not adopted, the method adapts to the geometric transformational models between the adjacent aviation multi-pixel parallel scanning images, and the overall transformation problem between the adjacent images is well solved.

Description

technical field [0001] The invention relates to the technical field of remote sensing image processing, in particular to a method for splicing aerial multi-element parallel-scanned images. Background technique [0002] Aerial multiple parallel scanning is a panoramic photography camera derived from the traditional film era. It has a large side field of view and high resolution. It only needs a line array detector to obtain wide-format images. It is often used in infrared / Fast acquisition of night vision images. However, since the focal length of multiple parallel scanning cameras remains unchanged, the aircraft moves forward while scanning, and the non-linearity of the scanning mirror swing makes the image distortion more complicated. In order to obtain images of a certain area on the ground, multi-element parallel-scan cameras are often used to obtain images through the left and right sweeps of the objective lens during flight, and the adjacent images acquired before and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50
Inventor 尤红建付琨
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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