Method for increasing imaging utilization rate of single-sensor double-fish-eye panoramic image

A single-sensor, panoramic image technology, applied in the direction of image communication, color TV parts, TV system parts, etc., can solve the problems of low image utilization rate and limited sensor selection, and improve the effective utilization rate , Improve the effective utilization rate and improve the resolution

Pending Publication Date: 2020-08-21
成都易瞳科技有限公司
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Problems solved by technology

The purpose of the present invention is to overcome the problems of low image utilization rate and limited sensor selection in the original scheme, and fu

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  • Method for increasing imaging utilization rate of single-sensor double-fish-eye panoramic image
  • Method for increasing imaging utilization rate of single-sensor double-fish-eye panoramic image

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Embodiment Construction

[0017] The present invention is further described below in conjunction with specific embodiment, and specific embodiment is the further description of the principle of the present invention, does not limit the present invention in any way, and the identical or similar technology of the present invention all does not exceed the scope of protection of the present invention.

[0018] In conjunction with the accompanying drawings.

[0019] Such as figure 1 as shown, figure 1 It is a schematic diagram of the traditional single sensor dual fisheye imaging circle imaging. Traditional imaging limitations are:

[0020] C=H-2*R>=0

[0021] A=W-2*R>=0

[0022] Such as figure 2 As shown, the present invention is a schematic diagram of increasing the imaging utilization ratio after the front of the sensor is rotated by an angle D.

[0023] After introducing the included angle, the following constraints exist:

[0024] (H-2*R-C)^2+(W-2*R-A)^2>=(B+2*R)^2

[0025] The included angle ...

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Abstract

The invention discloses a method for increasing the imaging utilization rate of a single-sensor double-fish-eye panoramic image. The target surface of a single sensor falls into areas on two sides ofthe sensor through two imaging circles of a double-fish-eye single prism, and an included angle D is formed between the frontal line of the prism and the central line of the sensor, wherein the included angle D is obtained by the following formula: D < = atan (((H-2 * R)/(W-2 * R)), H is a longitudinal effective pixel of the sensor, W is a transverse effective pixel of the sensor, R is the radiusof an imaging circle, and D is an included angle between a prism frontal line and a transverse center line of the sensor; when the picture of the target surface of the sensor is 16: 9, the included angle D is 9.98 degrees; when the picture of the target surface of the sensor is 4: 3, the included angle D is 25.59 degrees. According to the invention, the effective utilization rate of the picture bythe single sensor and the double fish eyes is improved, the imaging resolution is further improved, and the limitation of the sensor of which the model selection is limited by 16: 9 in the original scheme is further broadened.

Description

technical field [0001] The invention relates to a method for increasing the utilization rate of a panorama image acquisition sensor, in particular, the imaging utilization rate of a dual fisheye single sensor can be effectively improved. Background technique [0002] At present, the main components of the widely used single sensor (sensor) dual fisheye panoramic image acquisition device are an image sensor (cmos sensor) for image acquisition and a dual fisheye single prism optical system. Generally located on the center line of the sensor, to ensure that the two imaging circles of the double fisheye single prism fall within the two sides of the sensor. The arrangement of the imaging circle is limited by the horizontal effective pixels of the image sensor, which cannot effectively utilize the redundant vertical imaging area, and the utilization rate of the target surface is relatively low. Limited by this, traditional solutions often choose sensors with an aspect ratio of th...

Claims

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Application Information

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IPC IPC(8): H04N5/225H04N5/232
CPCH04N23/54H04N23/698
Inventor 窦诚诚
Owner 成都易瞳科技有限公司
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