OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system

An image acquisition and display system technology, applied in image communication, closed-circuit television system, electrical components, etc., can solve the problems of insufficient functional modules, inability to run general-purpose operating systems and graphical interfaces, high power consumption of the system, and achieve complete functional modules , Real-time good UV detection effect, low power consumption effect

Inactive Publication Date: 2014-03-12
BEIJING INST OF ENVIRONMENTAL FEATURES
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved in the present invention is: in the prior art, DSP is used in the ultraviolet leakage imager for image acquisition, processing and display, the system power consumption is high, the functional modules are not complete enough, and the general operating system and graphical interface cannot be run

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  • OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system

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Embodiment 1

[0028] The OMAP-based ultraviolet-visible dual-channel image acquisition, processing and display system of the present embodiment includes a dual-channel video acquisition module, an OMAP main control module, a liquid crystal display module, a JPEG2000 encoding module and an SD card storage module: a dual-channel video acquisition module Collect the ultraviolet light and background visible light separated by the spectroscope of the ultraviolet leakage imager, and after the analog-to-digital conversion, transmit the digital image to the OMAP main control module and the JPEG2000 encoding module; the OMAP main control module enhances the ultraviolet light digital image , and fuse the visible light digital image and the enhanced ultraviolet light digital image, and display the fused image in one or two channels on the LCD display module according to the control instructions; The image is encoded and compressed, and the encoded and compressed data is transmitted to the SD card stora...

Embodiment 2

[0035] The difference between this embodiment and embodiment 1 is:

[0036] The OMAP-based ultraviolet-visible dual-channel image acquisition, processing and display system of this embodiment also includes a GPS module.

[0037] The GPS module is connected to the OMAP main control module through two RS232 serial ports, and is used to record the position information of the ultraviolet leakage imager using the system of this embodiment.

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Abstract

The invention belongs to the technical field of applications of photoelectric products and particularly relates to an OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system. According to the system of the invention, a dual-channel image acquisition module acquires ultraviolet light and background visible light separated by an ultraviolet leakage imager, carries out analog-to-digital conversion on the ultraviolet light and the background visible light and transmits digital images to an OMAP main control module and a JPEG2000 encoding module; the OMAP main control module enhances the ultraviolet light digital image, fuses the visible light digital image and the enhanced ultraviolet light digital image and displays the fused images on a liquid crystal display module; and the JPEG2000 encoding module encodes and compresses the ultraviolet light digital image and the visible light digital image, and data obtained through encoding and compression is transmitted to an SD card storage module for storage through the OMAP main control module. The OMAP-based ultraviolet and visible light dual-channel image acquisition, processing and display system is low in power consumption and has complete function modules, a general operating system and a graphical interface can be run, and functions such as data storage and playback, GPS positioning, and operation interface display through liquid crystal display screen touching can be achieved.

Description

technical field [0001] The invention belongs to the field of optoelectronic product application technology, and in particular relates to an OMAP-based ultraviolet-visible dual-channel image acquisition, processing and display system. Background technique [0002] The ultraviolet leakage imager receives the sun-blind (240-280nm) ultraviolet light signal generated when the device discharges, and after processing, overlaps with the visible light image and displays it on the screen of the instrument to determine the position and intensity of the corona. It is mainly used for the detection of corona discharge in power stations, substations, power transmission and transformation systems, and power transmission and transformation lines. [0003] The survey found that the current ultraviolet leakage imager mainly uses a spectroscope to separate the ultraviolet light and the background light and fuses the two images through the DSP processor. DSP can meet the image enhancement, fusi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N19/00
Inventor 李飞宋亚军张玉洁刘欢
Owner BEIJING INST OF ENVIRONMENTAL FEATURES
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