Non-coplanar image acquisition device

An image acquisition device, non-coplanar technology, applied in optics, instruments, wide-screen photography, etc., can solve the problems of low specific gravity, pixel waste, and reduced accuracy, and achieve good compatibility, simple structure, and reduce the number of cameras. Effect

Active Publication Date: 2017-05-10
苏州德创测控科技有限公司
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Problems solved by technology

However, the detection features of the images of the two sides collected by the existing non-coplanar image acquisition device are too low in the field of view of the camera 200, resulting in waste of pixels, thereby reducing the accuracy

Method used

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Embodiment Construction

[0023] Such as figure 1 As shown, an existing non-coplanar image acquisition device includes total reflection mirrors 200 disposed on two intersecting sides of a workpiece 100 . The two sides are respectively the first side 101 and the second side 102 . The reflected light rays from the first side 101 and the second side 102 are turned back by the two total reflection mirrors 200 and enter the lens of the camera 300 at the same time, so that the two side images are imaged in the field of view of the camera 200 at the same time. Such as figure 2 As shown, the detection features of the images of the two sides captured by the existing non-coplanar image capture device have a low proportion in the field of view of the camera 200 , resulting in waste of pixels, thereby reducing the accuracy of image capture.

[0024] Such as Figure 3 to Figure 6 As shown, a non-coplanar image acquisition device according to the present invention is used to acquire image information of two non-...

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Abstract

The invention relates to a non-coplanar image acquisition device. The non-coplanar image acquisition device comprises the components of a first reflector, a second reflector, a third reflector, a fourth reflector, a rhombic prism, a camera and a light source. The rhombic prism is arranged in a transmission optical path of light reflected from a second side surface. The rhombic prism can perform translational transmission of the light reflected from the second side surface for forming emergent light which is parallel with the light reflected from the second side surface. The second reflector is arranged in a transmission optical path of light reflected from the rhombic prism. The lens of the camera is arranged in an optical path of light reflected from the third reflector and the fourth reflector. The lens of the camera can realize displaying of images of a first side surface and a second side surface in the field-of-view of the lens in a staggered manner. The non-coplanar image acquisition device can simultaneously acquire side surface image information of two non-coplanar surfaces, thereby reducing the number of required cameras. Furthermore the two images of the two side surfaces fill the field-of-view of the camera, thereby sufficiently using the pixel area of the camera and greatly improving precision of an acquired image.

Description

technical field [0001] The invention belongs to the field of machine vision detection, and in particular relates to an image acquisition device for non-coplanar surfaces of objects. Background technique [0002] At present, in the field of machine vision, there are multiple detection items for an object, and they are distributed on different sides. When inspecting different sides, generally multiple cameras are required for inspection, which not only greatly increases the cost of use, but also increases the complexity of the system. [0003] In the existing technology, in order to reduce the number of cameras used and realize simultaneous acquisition of images from multiple sides by one camera, a method such as figure 1 The non-coplanar image acquisition device shown, the non-coplanar image acquisition device includes total reflection mirrors 200 that are separately arranged at the two intersecting sides of the workpiece 100, and the reflected light beams of the two sides a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B37/00G02B17/06
CPCG02B17/06G03B37/00
Inventor 沈栋慧黄山刘运飞葛大伟
Owner 苏州德创测控科技有限公司
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