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A kind of imaging system and method

An imaging system and image technology, applied in the field of computational vision, can solve the problems of increasing equipment cost, inconvenient system deployment and movement, increasing system weight and volume, etc., to achieve the effect of rapid acquisition

Active Publication Date: 2021-04-27
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above methods usually need to increase the cost of equipment, and additional calibration and stitching techniques are required to obtain the final image or video; in addition, simply increasing the number of cameras will also significantly increase the weight and volume of the system, which is inconvenient for system deployment and integration. move

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  • A kind of imaging system and method
  • A kind of imaging system and method
  • A kind of imaging system and method

Examples

Experimental program
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Embodiment 1

[0023] figure 1 A schematic structural diagram of an imaging system provided in Embodiment 1 of the present invention, such as figure 1 As shown, the imaging system includes: a first scale camera 110 , a second scale camera 120 and an image processing module 130 .

[0024] Wherein, the first-scale camera 110 is a large-scale wide-field-of-view low-resolution camera, and the second-scale camera 120 is a small-scale narrow-field-of-view high-resolution camera. In this embodiment, once the shooting position of the first-scale camera 110 is determined, it is fixed, and it is used for real-time acquisition of the first-scale image with the first resolution; the shooting position of the second-scale camera 120 is determined according to the desired The actual scene changes in real time, and is used to acquire a second-scale image with a second resolution corresponding to the target area in the current first-scale image. It should be noted here that the installation of the first-sc...

Embodiment 2

[0036] figure 2 It is a schematic structural diagram of an imaging system provided by Embodiment 2 of the present invention. This embodiment further optimizes the imaging system on the basis of the foregoing embodiments. like figure 2 As shown, the system specifically includes: a first-scale camera 210 , a second-scale camera 220 , an image processing module 230 , a pan-tilt control module 240 and a pan-tilt 250 .

[0037]Among them, the first scale camera 210 is used to acquire the first scale image with the first resolution in real time; the second scale camera 220 is used to acquire the image with the second resolution corresponding to the target area in the current first scale image. The second scale image; the image processing module 230 is used to obtain a third scale image with a third resolution by using the current first scale image and the second scale image based on the first preset algorithm; the PTZ control module 240 uses To calculate the moving azimuth and m...

Embodiment 3

[0055] image 3 It is a flow chart of an imaging method provided by Embodiment 3 of the present invention. This method is applicable to the situation where images or videos with high resolution and large field of view need to be obtained, and this method can be executed by an imaging system. like image 3 As shown, the method specifically includes:

[0056] S310. Control the first-scale camera to acquire a first-scale image with a first resolution in real time.

[0057] Wherein, the scale is equivalent to the field of view range of the camera. If the camera is a camera with a wide field of view, the scale of the camera is a large scale, and if the camera is a camera with a narrow field of view, the scale of the camera is a small scale.

[0058] In this embodiment, the first-scale camera is a large-scale wide-field-of-view low-resolution camera, which is used to acquire a first-scale image with a first resolution in real time, wherein the first-scale image with the first reso...

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Abstract

The embodiment of the present invention discloses an imaging system and method, wherein the imaging system includes: a first-scale camera, a second-scale camera, and an image processing module; The first-scale image; the second-scale camera, configured to acquire a second-scale image with a second resolution corresponding to the target area in the current first-scale image; an image processing module, configured to, based on a first preset algorithm, Using the current first-scale image and the second-scale image, obtain a third-scale image with a third resolution; wherein, the first resolution is lower than the second resolution. The embodiments of the present invention overcome the existing disadvantages of using multiple cameras or increasing the size of the image sensor to obtain high-resolution large-field images or videos, and realize simple and rapid acquisition of high-resolution large-field image sequences.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of computer vision, and in particular, to an imaging system and method. Background technique [0002] With the development of the camera industry and the further development of modern artificial intelligence-related technologies, the field of computational vision has made huge breakthroughs in both video acquisition and video target recognition performance and data scale. However, the existing image recognition technology is still limited by the clarity of the image and the quality of the video data. [0003] Existing methods for improving image and video resolution mainly include simply increasing the number of cameras or increasing the size of the image sensor. However, the above methods usually need to increase the cost of equipment, and additional calibration and stitching techniques are required to obtain the final image or video; in addition, simply increasing the number of camer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01G06T3/40
CPCG06T3/4092H04N7/0117
Inventor 方璐戴琼海朱天奕
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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