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Electronic endoscope image system and electronic endoscope image processing method

An electronic endoscope and image processing technology, applied in image data processing, closed-circuit television system, image enhancement, etc., can solve the problems of noise amplification and insufficient consideration of noise, and achieve easy storage, strong environmental adaptability, and network affinity good sex effect

Active Publication Date: 2014-06-18
郑州赛福特电子设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The images collected in reality often contain a lot of noise, these noises are mainly distributed on the small-scale wavelet coefficients in the wavelet transform domain, and these detail coefficients also contain a large amount of image detail information, the traditional method does not consider the noise enough, it is simply Enhance the detail signal, there is a problem of noise amplification

Method used

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  • Electronic endoscope image system and electronic endoscope image processing method
  • Electronic endoscope image system and electronic endoscope image processing method
  • Electronic endoscope image system and electronic endoscope image processing method

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Embodiment 1

[0043] Such as figure 1 As shown, the electronic endoscope imaging system of the present invention includes a front-end endoscope, an illumination source, an image processing board, and a video monitor. The output signal of the front-end endoscope is connected to the image processing board, and the output of the image processing board is connected to the video A monitor integrates video acquisition and encoding circuits, DSP processors, video decoding and drive amplification circuits, and peripheral circuits including interface circuits and power circuits on the image processing board; the CCD image of the front-end endoscope The sensor output signal is connected to the video acquisition and encoding circuit, the output of the video acquisition and encoding circuit is connected to the DSP processor, and the output of the DSP processor is connected to the video decoding and driving amplification circuit, and the video decoding and driving amplification circuit is connected throu...

Embodiment 2

[0045] see figure 1 , figure 2 , the electronic endoscope imaging system of the present embodiment is a further implementation scheme on the basis of embodiment 1: the DSP processor adopts the DM365 dual-core DSP processor of TI Company, and the video acquisition and encoding circuit adopts the video decoder TVP5150, The output signal of the CCD image sensor is connected to the input end of the video decoder TVP5150, and the video coded signal output by the video decoder TVP5150 is connected to the DSP processor.

[0046] DM365 dual-core DSP processor supports various ultra-high resolution video formats, and can effectively solve various video formats, network bandwidth, system storage capacity and other issues in digital video design. DM365 contains a CPU with ARM926 streamlined instructions, including video front-end processing subsystem (VPFE) and video back-end processing subsystem (VPBE), which can encode and decode video and image data in H.264, MPEG, JPE6 formats, and...

Embodiment 3

[0048] see Figure 1 ~ Figure 3 , the electronic endoscopic image system of the present embodiment, its difference with embodiment 2 is: described video decoding and driving amplifying circuit comprise digital / analog conversion circuit, described DSP processor DAC four output terminals are respectively connected A digital / analog conversion circuit connected to a video monitor through the digital / analog conversion circuit.

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Abstract

The invention relates to a digital medical image system, in particular to an electronic endoscope image system and an electronic endoscope image processing method. The electronic endoscope image system comprises a front end endoscope, an image processing board and a video monitor. The image processing board integrates a video acquisition and coding circuit, a DSP and a video decoding and drive amplifying circuit. The output of a CCD image sensor of the front end endoscope is connected with the video acquisition and coding circuit through signals, the output of the video acquisition and coding circuit is connected with the DSP, the output of the DSP is connected with the video decoding and drive amplifying circuit, and the video decoding and drive amplifying circuit is connected with the video monitor through a video output interface. The electronic endoscope image processing method includes the steps that image information acquired by the CCD image sensor is preprocessed with a wavelet transform and threshold shrinkage method, images are denoised and enhanced to obtain enhanced images, and then the images are decoded and displayed through the video monitor.

Description

technical field [0001] The invention relates to a digital medical imaging system, in particular to an electronic endoscope imaging system and an image processing method. Background technique [0002] Digital medical image processing and electronic endoscopic diagnosis and treatment technology are the direction of the development of the national medical system and the construction of modern medical equipment, and are also important means to improve hospital management level, operating efficiency and medical quality. [0003] The electronic endoscope imaging system integrates computer, microelectronics, digital image processing and other technologies organically, collects image signals through the front end sensor of the endoscope, and after high-definition video image processing, enables doctors to directly observe the tissue shape of human internal organs, the Lesions can provide an important basis for clinical diagnosis, disease tracking and determination of treatment optio...

Claims

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Application Information

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IPC IPC(8): H04N7/18G06T5/00
Inventor 李振中周长林李卓高飞周敬召李晓斐李明安王永飞李明明陈欢欢
Owner 郑州赛福特电子设备有限公司
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