A multi-lens detector array curved surface image surface stitching method

A detector array and multi-lens technology, which is applied in image communication, TV, color TV parts, etc., can solve the problems of complex operation, high cost, and difficult post-processing, and achieve stable and reliable system, easy control, and low cost. to calculate the effect of a processing step

Active Publication Date: 2018-03-13
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to propose a multi-lens detector array curved surface image surface splicing method to solve the problems of complex operation, high cost and difficult post-processing existing in the prior art

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  • A multi-lens detector array curved surface image surface stitching method
  • A multi-lens detector array curved surface image surface stitching method

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Embodiment 1

[0020] refer to figure 1 , the multiple groups of imaging lenses with curved image surfaces specifically refer to 4 groups. The imaging unit includes four sets of identical lenses to image on their respective spherical image planes, and collect images through detector arrays on their respective image planes. The two directions are arranged at evenly spaced angles, so that the horizontal angle of two adjacent detectors in the horizontal angle direction is not greater than twice the actual photosensitive angle of a single detector in this direction, and greater than the packaging angle of a single detector in the horizontal angle direction; the pitch angle direction The pitch angle of two adjacent detectors is not more than twice the actual photosensitive angle of a single detector in this direction, and is larger than the packaging angle of a single detector in the pitch direction, through four sets of detector arrays installed in different directions with their respective opti...

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Abstract

A multi-lens detector array curved image surface splicing method belongs to the field of large field of view digital imaging technology, and aims to solve the problems of complex operation, high cost and difficult post-processing in the prior art. The present invention adopts the following technical scheme: multiple groups of imaging lenses whose image planes are curved surfaces collect images through detector arrays on their respective curved image planes, and multiple groups of detector arrays are installed in different directions from their respective optical axes to form multiple groups of staggered complementary According to the surface shape of the curved image surface of each group of imaging lenses, the detector array adopts the mathematical topology method of curved point arrangement to obtain the layout, so that multiple detectors can be arranged. The topological arrangements between the arrays are staggered and the boundaries overlap. The invention omits the operation of correcting the field curvature, which reduces the complexity of the imaging lens, reduces the system processing cost, simplifies the complexity of the post-image stitching processing, and saves a large number of calculation processing steps.

Description

technical field [0001] The invention belongs to the technical field of large-field digital imaging, and in particular relates to a multi-lens detector array curved surface image surface splicing method. Background technique [0002] For aerial reconnaissance cameras that have received much attention in recent years, single-chip detectors are difficult to meet the comprehensive index requirements of large field of view and high resolution for aerial reconnaissance. The limited size of the detector has become the bottleneck of large field of view and high-resolution imaging systems. With the development of detector splicing technology, the limitation of single detector size on the imaging field of view has been effectively solved. However, for the imaging optical system with large field of view and high pixels, when the image plane is a plane, the correction of field curvature is very difficult. The key to system design is that the lens structure with better field curvature co...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225
Inventor 黄玮许伟才徐明飞范洪杰贾树强
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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