Multifunctional integrated digital picture processing system
A digital image and processing system technology, applied in the field of photoelectric detection, can solve the problems of too many components, poor working stability, and high cost
Inactive Publication Date: 2009-08-12
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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[0003] The purpose of the present invention is to propose a multi-functional integrated digital image processing system to overcome the shortcomings of too many components, complex structure, poor working stability and relatively high cost in the digital image processing system in the existing photoelectric detection technology
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[0008] The present invention will be described in further detail below in conjunction with the embodiment given with accompanying drawing.
[0009] refer to figure 1 , a multifunctional integrated digital image processing system, including a digital image processing device 1, a signal converter 3, a programmable logic device 4, a single chip microcomputer 5, a dimming and focusing drive circuit 6, and a character superposition circuit 7. The digital image signal sent by the camera is connected to the signal converter 3 through the LVDS bus interface 2, and the LVDS signal is converted into a TTL signal, and the converted TTL signal is connected to the programmable logic device 4, and the programmable logic The device 4 is bidirectionally connected to the image processing device 1 , the single-chip microcomputer 5 and the dimming and focusing driving circuit 6 through an address bus and a data bus respectively. That is: the programmable logic device 4 transmits the digital ima...
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The invention relates to a multi-functional integrated digital image processing system for obtaining the target position and its characteristics by processing the image transmitted by an optical camera, including a digital image processing device, a signal converter, a programmable logic device, a single-chip microcomputer, and a light adjustment system. Focusing drive circuit, character overlay circuit, the digital image signal sent by the camera passes through the signal converter, and the TTL signal is connected to the programmable logic device. The optical focusing drive circuit is connected bidirectionally; the programmable logic device and the character superimposition circuit are connected one-way information, and the programmable logic device sends the character information obtained by the single-chip microcomputer to the character superimposition circuit, so as to realize the display of specific characters at the designated position on the screen. Compared with the original digital image processing system, the complexity of the system is reduced, and since all units are completed by a digital processing unit, the stability of the system is improved.
Description
technical field [0001] The invention relates to the field of photoelectric detection, which receives an image containing a target transmitted by an optical camera, and obtains the target position and other target characteristics through analysis and processing. In addition, according to the specific requirements of photoelectric detection, the invention adjusts the focus, zooms, and adjusts the light of the optical lens and displays corresponding character information on the observation screen to facilitate photoelectric detection. Background technique [0002] A complete digital image processing system should include the camera unit, the camera's dimming, focusing and zooming unit, which is the camera's control unit, and the image processing unit. In addition, some specific characters are required to be displayed on the observation screen in some specific applications. It is required to have a display unit with a specific character at a specific position on the screen, and ...
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IPC IPC(8): G03B13/36H04N5/232G06T1/20
Inventor 吴川
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI