Medical X-ray TV system with the multi-recursive compound control noise reduction technology

A TV system and composite control technology, applied in the field of medical X-ray systems, to achieve the effects of improving work efficiency, improving detection rate, and reducing exposure time

Inactive Publication Date: 2007-08-15
BEIJING WANDONG GAOXING ELECTRONICS PROD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a medical X-ray television system using multiple recursive compound control noise reduction technology, the system makes the image noise reduction series continuously adjustable, and solves the problems existing in the existing equipment

Method used

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  • Medical X-ray TV system with the multi-recursive compound control noise reduction technology
  • Medical X-ray TV system with the multi-recursive compound control noise reduction technology

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Embodiment Construction

[0018] The present invention will be further described in detail in conjunction with the accompanying drawings and embodiments.

[0019] FIG. 1 is a schematic diagram of the composition of an existing image intensifier television system.

[0020] Figure 2 is the software flow chart of the multi-recursive compound control principle. In the figure, the minus sign box is the subtracter, and the plus sign box is the adder. The digital video signal is first sent to the subtractor to get a component, and then sent to an adder and a The output components are added to synthesize a complete digital signal, which is output by the last adder after multiple times of compounding. In the process, the control part uniformly controls the subtractor so that the composite result of each component is always doubled as a digital signal, and each subtractor uniformly controls and adjusts the size of the components so that the total change of the multiple composite components of each subtractor is ...

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Abstract

The disclosed X-ray TV system with multiple recursive composite control noise-reducing technology comprises: using multiple set of recursive paths every with one micro increment to simultaneous process the digital video signal and composite overlay increments for continual adjusting the noise-reduction step; real-time processing image with FPGA, and using CPU to operate the process. This invention eliminates jump led by drag-tail, can achieve optimal effect for different motion speed, reduces radiation time on patient, improves work efficiency for doctor, and increases detection rate on patient focus.

Description

technical field [0001] The invention relates to a medical X-ray system, in particular to a medical X-ray television system using multiple recursive composite control noise reduction technology. Background technique [0002] At present, the X-ray fluoroscopy equipment used in my country's hospitals is gradually replacing the darkroom operation with the medical image intensifier TV system in the compartment. This transformation greatly reduces the radiation dose of the ray, thereby reducing the harm of the ray to the patient. The compartment operation makes Doctors are completely free from radiation hazards. The composition of this medical image intensifier television system is as shown in accompanying drawing 1: [0003] Usually includes ray source, image intensifier, camera, image processor and display. The ray source is located in the compartment, the image intensifier is connected with the camera, and the image processor collects and processes image signals and transmits ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/217H04N5/14A61B6/00
Inventor 王晓明张涛
Owner BEIJING WANDONG GAOXING ELECTRONICS PROD
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