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Data isolation circuit system

A circuit system and data isolation technology, applied in the field of medical devices, can solve the problems of no image processing and difficult image realization.

Pending Publication Date: 2022-02-18
重庆普友德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing technology has the following disadvantages: the isolated parallel signal or LVDS signal is the original signal and the image data has not been processed. Generally, the power supply end of the other end of the isolated signal is selected for processing, so that there is no image processing in the application end circuit. function, many image signals in the prior art cannot be directly electrically isolated (such as MIPI signals and high-speed USB signals, etc.), especially the isolation of 1080P images is difficult

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0113] Please refer to the attached figure 2 , image 3 As shown, the image acquisition module: collects image data, and converts the data into electrical signal data;

[0114] The image acquisition module includes a camera, and the electrical signal data includes USB2.0 signal, USB3.0 signal, MIPI signal, LVDS signal, parallel signal and analog signal;

[0115]The USB signal camera, MIPI signal camera and LVDS signal camera collect image information through the acquisition chip.

Embodiment 2

[0117] Please refer to the attached figure 2 , image 3 As shown, the image processing module: used to process the image electrical signal transmitted by the acquisition module;

[0118] The image processing module includes an integrated circuit composed of SOC chip, MCU chip, ARM chip, FPGA chip and DSP chip or one of SOC chip, MCU chip, ARM chip, FPGA chip and DSP chip;

[0119] The image processing module converts the images collected by the acquisition module, and the conversion formula is:

[0120] Y=0.229*R+0.587*G+0.114*B

[0121] U=-0.147*R-0.289*G-0.436*B

[0122] V=0.615*R-0.515*G-0.100*B

[0123] Extract the Y component and brightness component from the YUV image, and process it through multi-threading, one thread displays, and one thread changes the integration time;

[0124] Determine whether the overexposed or underexposed pixels in the Y component exceed the limit value. If it exceeds, substitute the integration time of COMS corresponding to this frame of ...

Embodiment 3

[0163] Please refer to the attached Figure 4 As shown, the RGB data processing module: the image data processed by the image processing module is converted into RGB color data and transmitted to the isolation chip;

[0164] The color rendering data processed by the RGB data processing module includes RGB565, RGB555, RGB24 (RGB888), RGB32 (RGB8888) and ARGB32 (ARGB8888) data;

[0165] The data processing method of described RGB data processing module comprises the following steps:

[0166] S1: Convert the input R, G, and B color values ​​to the HSV color space;

[0167] S2: In the case of keeping the hue H value and the saturation S value of the HSV color space unchanged, adjust the value of the brightness V;

[0168] S3: converting the H, S, and V values ​​processed in step S2 into R, G, B, and W values ​​for display;

[0169] Please refer to the attached Figure 4 As shown, in the step S1, the conversion formula is:

[0170]

[0171]

[0172] V=max

[0173] Among...

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Abstract

The invention discloses a data isolation circuit system, which comprises an image acquisition module, an image processing module, a data processing module, an electrical isolation module, a data acquisition module and a display module, and is characterized in that the image acquisition module is used for acquiring camera image data; the image processing module is used for processing the image signal transmitted by the image acquisition module; the data processing module is used for converting the image data processed by the image processing module into RGB color development data signals or LVDS signal image data; the electrical isolation module is used for isolating RGB digital image signals and LVDS digital image signals; and the data acquisition module and the display module are used for acquiring RGB image signals (LVDS image signals) of the isolated grounding end and then displaying the RGB image signals through a PC or directly through display equipment (a display, a display screen and the like). According to the invention, human body electrical isolation of various image signals can be realized, human body electrical isolation of 1080P images can be realized, and safety guarantee is realized for use of the endoscope in a human body.

Description

technical field [0001] The invention relates to the technical field of medical equipment, and more specifically, the invention relates to a data isolation circuit system. Background technique [0002] Since active medical devices require that the application end circuit used to contact the human body is completely electrically isolated from the power supply end circuit, it is generally used to isolate signals through isolation devices such as optocouplers, magnetic couples, capacitors, and isolation transformers; [0003] For the isolation signals, there are mainly data interaction signals and image original signals. The common general isolation methods for data interaction signals can be realized. It is difficult to isolate real-time image data due to factors such as large data volume, fast speed, and its own characteristics. Isolate converted parallel or LVDS signals. [0004] The existing technology has the following disadvantages: the isolated parallel signal or LVDS si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/64
CPCH04N9/64
Inventor 不公告发明人
Owner 重庆普友德科技有限公司