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Imaging system and imaging method for mosaic imaging using area array image sensor

An image sensor and imaging system technology, applied in image communication, TV system parts, color TV parts and other directions, can solve the problems of image distortion and deformation of imaging methods, complex stitching imaging system, poor consistency, etc.

Active Publication Date: 2019-01-29
CHANGCHUN YITIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention solves the problem of the complexity and poor consistency of the existing image sensor mosaic imaging system, and because the package size of the image sensor is larger than twice the size of the imaging area, it is difficult to stitch the focal plane, and the image distortion exists in the imaging method, which leads to image quality. Instability and other problems, provide an imaging system and imaging method using area array image sensor stitching imaging

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  • Imaging system and imaging method for mosaic imaging using area array image sensor
  • Imaging system and imaging method for mosaic imaging using area array image sensor
  • Imaging system and imaging method for mosaic imaging using area array image sensor

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specific Embodiment approach 1

[0022] Specific implementation mode 1. Combination Figure 1 to Figure 5 In this embodiment, the splicing and imaging system using an area array image sensor includes an optical lens, a transition tube 1 connected to the lens, an image sensor array 2 spliced ​​in dislocation, an imaging circuit board 3, an imaging integration board 6, and a focal panel of the image sensor 4. An adjustment pad 5 between the image sensor and the focus panel and a computer 7 for image display;

[0023] The optical lens is connected to the focal panel 4 of the image sensor through the transition tube 1; the image sensor array 2 spliced ​​in dislocation is fixed on the focal panel 4 through the adjustment pad 5, and the photosensitive surface of each image sensor is coplanar by adjusting the adjustment pad 5 The data imaged by the image sensor array 2 spliced ​​by dislocation is sent to the image integration board 6 through the imaging circuit board 3, and the image integration board 6 sends the da...

specific Embodiment approach 2

[0036] Specific embodiment two, combine Figure 3 to Figure 5 This embodiment is described. This embodiment is the imaging method of the system using the area array image sensor splicing imaging described in the first embodiment. The method is implemented by the following steps:

[0037] Step 1. The measured object moves in a direction perpendicular to the row direction of the image sensor relative to the optical lens, and the image of the measured object moves in the opposite direction of the measured object. At the same time, the image sensor performs snapshot imaging at an appropriate frequency;

[0038] Step 2, the data after step 1 imaging are respectively passed through such as image 3 After imaging by the multiple imaging boards shown, they are respectively sent to the image integration board, and the image integration board 6 performs pixel matching and stitching on the data, and sends it to the computer 7 for display and output.

[0039] In this embodiment, accordin...

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Abstract

The imaging system and imaging method using area array image sensor mosaic imaging relate to the field of photoelectric imaging technology and solve the problem of complex and poor consistency of the existing image sensor mosaic imaging system, and because the package size of the image sensor is greater than twice the size of the imaging area, causing focus Face splicing is difficult, and the imaging method has image distortion and deformation, which leads to problems such as unstable image quality. The present invention adopts multi-row image sensors for horizontal dislocation splicing, and the images are continuously displaced along the longitudinal direction. The image sensors snap images at a certain frequency, and then each The channel data is combined into an image through pixel matching. The method described in the present invention can realize ultra-large field of view imaging, and the present invention is suitable for the splicing of image sensors whose packaging size is larger than twice the size of the photosensitive surface. The relative speed of the object and the lens in the area array splicing imaging system does not need to be constant within a certain range. The present invention can be applied to, for example, aviation and aerospace cameras, automatic detection equipment and the like.

Description

technical field [0001] The invention relates to the technical field of photoelectric imaging, in particular to a system and method for splicing imaging using an area array image sensor. Background technique [0002] With the increasing development of digital imaging technology, the imaging system using CCD / CMOS as the image sensor is becoming more and more mature. The image sensor package size should be greater than twice the size of the imaging area. This makes focal plane stitching extremely difficult. [0003] The linear array CCD stitching imaging method is often applied to imaging occasions with very stable relative motion, such as aerospace cameras. If it is applied to the AOI (Automatic Optic Inspection) equipment of the assembly line, due to the unsteady advancing speed of the workpiece and the poor imaging environment, the image will be distorted and deformed, which will affect the detection accuracy. [0004] The patent application number 201210327237.1 disclose...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225
CPCH04N23/45H04N23/55H04N23/54
Inventor 牛亚力
Owner CHANGCHUN YITIAN TECH CO LTD