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CMOS stereo camera for obtaining three-dimensional image

A stereo camera and three-dimensional image technology, applied in the camera field, can solve problems such as processing speed delay

Inactive Publication Date: 2009-04-01
SILICONFILE TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conventional method for extracting three-dimensional information shown in FIG. 2 requires image buffers 215 and 225
Additionally, the traffic caused by the serial or parallel communication link 201 can cause delays in processing speed

Method used

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  • CMOS stereo camera for obtaining three-dimensional image
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  • CMOS stereo camera for obtaining three-dimensional image

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Embodiment Construction

[0025] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0026] 3 illustrates a cross-sectional view and a top view of a CMOS stereo camera for obtaining three-dimensional images according to an embodiment of the present invention.

[0027] Referring to FIG. 3, a CMOS stereo camera 300 for obtaining a three-dimensional image according to an embodiment of the present invention includes two lenses 310 and 320, two CMOS image sensors 315 and 325, and a DSP 330 (Digital Signal Processor). Herein, the CMOS image sensors 315, 325 and the DSP 330 are disposed on a single substrate. In addition, the optical axes of the CMOS image sensors 315 and 325 are parallel to each other and perpendicular to the image plane.

[0028] The CMOS image sensors 315 and 325 are separated from each other on the substrate. In addition, the CMOS image sensors 315 and 325 are arranged such that the distance between the centers of the CMOS image ...

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Abstract

A CMOS stereo camera for obtaining a three-dimensional image, in which two CMOS image sensors having the same characteristics are disposed on a single semiconductor substrate, is provided. The CMOS image sensors have image planes which are located on the same plane by disposing the two CMOS image sensors on the same semiconductor substrate. A digital signal processor (DSP) for processing a three-dimensional image is disposed between the CMOS image sensors. Optical axes of the CMOS image sensors are parallel with each other and orthogonal to the image planes. Since optical devices formed on the CMOS image sensors can be manufactured through the same processes, distortion of the optical axes between the two CMOS image sensors can be minimized.

Description

technical field [0001] The present invention relates to a camera for obtaining a three-dimensional image, and more particularly, to a CMOS stereo camera for obtaining a three-dimensional image capable of effortlessly obtaining three-dimensional information from an image obtained using at least two CMOS image sensors. Background technique [0002] Conventional methods of obtaining three-dimensional information of a target include a method of using binocular parallax, which refers to an aberration between an image obtained by the left eye and an image obtained by the right eye, and a method of detecting the distance of each point of a three-dimensional object. [0003] In the method employing binocular parallax, two image sensors arranged in parallel to each other are used. Since the two image sensors observe the three-dimensional object in different directions, images obtained by the two image sensors are different from each other. Thus, distance information can be obtained ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/02H04N25/00
CPCH04N5/335H04N13/0239H04N13/239H04N25/00A41F9/00A44B11/22A41D2200/10
Inventor 李炳洙元俊镐
Owner SILICONFILE TECH INC