CN103519890A - Control system of on-line laser feature beautifying and freckle removing instrument - Google Patents
Control system of on-line laser feature beautifying and freckle removing instrument Download PDFInfo
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- CN103519890A CN103519890A CN201310371138.8A CN201310371138A CN103519890A CN 103519890 A CN103519890 A CN 103519890A CN 201310371138 A CN201310371138 A CN 201310371138A CN 103519890 A CN103519890 A CN 103519890A
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Abstract
The invention discloses a control system of an on-line laser feature beautifying and freckle removing instrument. The control system is composed of a processor module, a video input channel, a communication module, a data input and output module, a transducer sampling channel, an LCD touch screen and a power module. The processor module comprises a front end FPGA processor and a rear end OMAP138 processor and is a core for processing data and controlling the other modules. The video input channel completes acquisition of images after shooting of a human face. The communication module comprises three RS485 communication interfaces and an Ethernet interface. The data input and output module is provided with a PWM wave output channel for controlling the duty ratio of electricity currents so that laser strength can be controlled. The transducer sampling channel comprises four high-accuracy analogy/digital converters and four low-speed analogy/digital converters. The LCD touch screen supports video and image display and can receive touch induction, a user can manually set parameters for work of a system through the touch screen, and meanwhile the conditions of the face of a person having feature beautifying can be displayed on the screen.
Description
Technical field
The present invention relates to the control system device of laser cosmetic instrument, specifically, relate to a kind of control system of online laser beautifying freckle removing apparatus, can be applied in medical apparatus and instruments aspect.
Background technology
Laser can produce heat effect in biological tissue, and laser has mainly utilized the photo-thermal effect of laser and biological tissue's effect in cosmetic applications.As laser skin care, laser speckle dispelling.Laser is more and more extensive in the purposes on beauty treatment circle.Laser is by producing high-energy, focus on accurately, the monochromatic light with certain penetration power, thereby the tissue of acting on and produce high heat in part and reach the object of removing or destroying destination organization, the pulse laser of various different wave lengths can be treated various vascular dermatosiss and pigmentation, as freckle, senile plaque, telangiectasis etc., and go to tatoo, treat cicatrix etc., obtained good curative effect.
Traditional laser beautifying freckle removing apparatus control system function singleness, bulky, some middle-size and small-size beauty parlors are difficult to bear fancy price, and lack the video monitoring of multi-angle, and operation interface is friendly not.
Summary of the invention
The present invention will overcome traditional laser beautifying freckle removing apparatus control system function singleness, bulky, some middle-size and small-size beauty parlors are difficult to bear fancy price, and the video monitoring that lacks multi-angle, the shortcoming that operation interface is friendly not, provides that a kind of volume is little, superior performance, online laser beautifying freckle removing apparatus control system that cost is low.
Online laser beautifying freckle removing apparatus control system, it is characterized in that: system is by processor module (110), video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD(Liquid Crystal Display) touch screen (160), power module (170) forms.
Wherein, described processor module (110) comprises FEP (111) and back-end processor (112), and it is the core processing module of system data.Processor module (110) is connected with video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD touch screen (160).
The video input of processor module (110) derives from video input passage (120), it comprises 4 road video input passages, 4 tunnel video channel correspondences the analog video signal of 4 camera device outputs, digital video signal after video input passage is processed, is input to processor module (110).
Described communication module (130) comprises 3 road RS485 communication interfaces and 1 road Ethernet interface.
Described digital input and output modules (140) has comprised 8 road PWM ripple output channels and 16 railway digital input/output interfaces.After level conversion, be connected with the common I/O of FEP (111) in processor module (110).Thereby the output of PWM waveform is moved by controlling the dutycycle control intensity of laser instrument and the position of laser probe of electric current.16 railway digital input/output interface output Transistor-Transistor Logic levels, carry out switch to external devices.
The A/D converter that described sensor sample passage (150) has comprised the 4 high-precision A/D converters in road and 4 road low speed.Back-end processor (112) by SPI protocol interface and processor module (110) communicates.The accurate feedback of high-precision A/D converter to laser probe position, back-end processor (112) is adjusted laser probe to optimum position with this.
Described LCD touch screen (160) supports video and image to show, and can receive touch sensible, and user can manually arrange by touch screen the parameter of system works, sees people's face situation of accepting beauty treatment from screen simultaneously.
Described power module (170) is supported the output voltage of 15V power supply adaptor, and magnitude of voltage is converted into the required all kinds magnitude of voltage of system works.
Further, FEP (111), namely said FPGA processor, carries out video to the 4 road videos that gather and synthesizes, and transfers 1 road video signal to, complete the denoising of image, Bing Bazhe road signal sends back-end processor (112) to, reduced back-end processor (112) data processing amount, thereby back-end processor (112) has enough resources, carry out image filtering, the characteristics of image such as the skin dark stain of extraction facial skin, melanotic nevus.
Meanwhile, described digital input and output modules (140) is controlled by FPGA processor directly, does not need the participation of OMAP138 processor.
Further, described LCD touch screen is by the lcd controller output RGB of OMAP138 processor, with the RGB data signal of parallel mode output Transistor-Transistor Logic level, converting the LVDS(Low Voltage Differential Signaling of serial to) signal is input to LCD touch screen and shows.LCD touch screen (160) is supported many interface display, when showing face image, can show people's face left part, people's face right part, people's face dead ahead simultaneously, the image in four orientation, face below.
Advantage of the present invention is: adopt embedded design, in less volumetric spaces, the function of integrated laser beautifying freckle removing apparatus is required, and cost is low, superior performance.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is the schematic block diagram in video acquisition of the present invention orientation;
Fig. 3 is processor module working portion content schematic block diagram of the present invention;
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the invention process is described:
As shown in Figure 1, a kind of online laser beautifying freckle removing apparatus control system is by processor module (110), video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD(Liquid Crystal Display) touch screen (160), power module (170) forms.
Wherein, described processor module (110) comprises FEP (111) and back-end processor (112), and it is the core processing module of system data.Processor module (110) is connected with video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD touch screen (160).Preferably, FEP (111) adopts the FPGA processor of Xilinx company, and preferably, back-end processor (112) adopts the OMAP138 processor of TI company, the division of labor mutually on date processing between two processors.
The video input of processor module (110) derives from video input passage (120), and it comprises 4 road video input passages, and 4 tunnel video channel correspondences the analog video signal of 4 camera device outputs.
Described communication module (130) comprises 3 road RS485 communication interfaces and 1 road Ethernet interface.RS485 communication can prevent from disturbing when externally transmitting and receiving data.It is interconnected that Ethernet is realized equipment room, and data sharing.
Described digital input and output modules (140) has comprised 8 road PWM ripple output channels, 16 railway digital input/output interfaces.Thereby the output of PWM waveform is moved by controlling the dutycycle control intensity of laser instrument and the position of laser probe of electric current.16 railway digital input/output interface output Transistor-Transistor Logic levels, carry out switch to external devices.
Described sensor sample passage (150) has comprised the 4 high-precision A/D converters in road, the A/D converter of 4 road low speed.The accurate feedback of high-precision A/D converter to laser probe position, makes back-end processor (112) adjust the optimum position of laser probe.The A/D converter of low speed is measured the external environment condition of the beautifying device work such as humiture.
Described LCD touch screen (160) supports video and image to show, and can receive touch sensible, and user can manually arrange by touch screen the parameter of system works, sees people's face situation of accepting beauty treatment from screen simultaneously.Except the above, LCD touch screen (160) is also supported many interface display, when showing face image, can show people's face left part, people's face right part, people's face dead ahead simultaneously, the image in four orientation, face below.LCD touch screen is by the lcd controller output RGB of OMAP138 processor, RGB data signal with parallel mode output Transistor-Transistor Logic level, convert the LVDS(Low Voltage Differential Signaling of serial to) shortcoming such as signal is input to LCD touch screen and shows, while overcoming with Transistor-Transistor Logic level mode transmission broadband high code rate data, power consumption is large, EMI electromagnetic interference is large
Described power module (170) is supported the output voltage of 15V power supply adaptor, and magnitude of voltage is converted into the required all kinds magnitude of voltage of system works.
As shown in Figure 2,4 road analog videos of video input passage (120) are respectively from the photographic head (121) of different azimuth, and the digital signal of FPGA output can be controlled the motion direction of photographic head, and photographic head is aimed at the different parts of people's face.The image obtaining is processed by the image of OMAP138, fixes fast the orientation of the skin problems such as melanotic nevus, skin dark stain, by mobile laser probe (122) and control laser intensity, reaches the effect of speckle dispelling.
As shown in Figure 3, FEP (111), namely said FPGA processor, carries out video to the 4 road videos that gather and synthesizes, transfer 1 road video signal to, FPGA carries out the pretreatment of video image, comprises region of interesting extraction, normalized, smoothing processing, the preliminary denoising ，Bing Bazhe road signal that completes image sends back-end processor (112) to, has reduced back-end processor (112) data processing amount.Thereby back-end processor (112) has enough resources, carries out image filtering, the characteristics of image such as the skin dark stain of extraction facial skin, melanotic nevus.Back-end processor (112) extracts and adopts rim detection in conjunction with the method for cluster segmentation video image characteristic, namely utilize color clustering partitioning algorithm, according to the difference of the RGB of the RGB of skin dark stain, melanotic nevus and normal skin, cut apart, the method for the diffusion of recycling color and morphological dilations is determined the edge of skin dark stain, melanotic nevus.Complete behind the logic location of stain, OMAP138 transmits corresponding data to FPGA processor, and FPGA processor is by control inputs output module (140) output PWM waveform, and the laser intensity of popping one's head in is controlled in the position of mobile laser probe simultaneously.
Claims (4)
1. an online laser beautifying freckle removing apparatus control system, it is characterized in that: system is by processor module (110), video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD(Liquid Crystal Display) touch screen (160), power module (170) forms;
Wherein, described processor module (110) comprises FEP (111) and back-end processor (112), and it is the core processing module of system data.Processor module (110) is connected with video input passage (120), communication module (130), digital input and output modules (140), sensor sample passage (150), LCD touch screen (160);
Described video input passage (120) comprises 4 road video input passages, 4 tunnel video channel correspondences the analog video signal of 4 camera device outputs, digital video signal after video input passage (120) is processed, is input to processor module (110);
Described communication module (130) comprises 3 road RS485 communication interfaces and 1 road Ethernet interface, and its communication output port is connected with processor module (110);
Described digital input and output modules (140) has comprised 8 road PWM ripple output channels and 16 railway digital input/output interfaces; After level conversion, be connected with the common I/O mouth of FEP (111) in processor module (110); Thereby the output of PWM waveform is moved by controlling the dutycycle control intensity of laser instrument and the position of laser probe of electric current; 16 railway digital input/output interface output Transistor-Transistor Logic levels, carry out switch to external devices;
The A/D converter that described sensor sample passage (150) has comprised the 4 high-precision A/D converters in road and 4 road low speed; Back-end processor (112) by SPI protocol interface and processor module (110) communicates; The accurate feedback of high-precision A/D converter to laser probe position, back-end processor (112) is adjusted laser probe to optimum position with this;
Described LCD touch screen (160) supports video and image to show, and can receive touch sensible, and user can manually arrange by touch screen the parameter of system works, sees people's face situation of accepting beauty treatment from screen simultaneously;
Described power module (170) is supported the output voltage of 15V power supply adaptor, and magnitude of voltage is converted into the required all kinds magnitude of voltage of system works, and namely, power module provides the power supply of above-mentioned module.
2. the system as claimed in claim 1, it is characterized in that: FEP (111), said FPGA processor namely, the 4 road videos that gather are carried out to video to be synthesized, transfer 1 road video signal to, and complete the pretreatment in early stage of the video images such as denoising of image, Bing Bazhe road signal sends back-end processor (112) to, reduced back-end processor (112) data processing amount, thereby back-end processor (112) has enough resources, carry out image filtering, and adopt rim detection in conjunction with the method for cluster segmentation, extract the skin dark stain of facial skin, the characteristics of image such as melanotic nevus.
3. the system as claimed in claim 1, is characterized in that: described digital input and output modules (140) is controlled by FPGA processor directly, does not need the participation of OMAP138 processor.
4. the system as claimed in claim 1, it is characterized in that: the RGB data signal of the lcd controller parallel mode output Transistor-Transistor Logic level of described LCD touch screen by OMAP138 processor, converts the LVDS(Low Voltage Differential Signaling of serial afterwards to) signal is input to LCD touch screen and shows.LCD touch screen (160) is supported many interface display, when showing face image, can show people's face left part, people's face right part, people's face dead ahead simultaneously, the image in four orientation, face below.
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Cited By (5)
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| CN105979166A (en) * | 2016-06-07 | 2016-09-28 | 湖南中岳显控科技股份有限公司 | Super high definition image processing plate |
| CN109793572A (en) * | 2019-03-29 | 2019-05-24 | 丁云凤 | A kind of nti-freckle system based on core light tetrad |
| CN110547866A (en) * | 2018-06-01 | 2019-12-10 | 福美生技有限公司 | feedback energy release system and method of operation thereof |
| CN111449749A (en) * | 2019-01-22 | 2020-07-28 | 游龙标 | Gene ecology-based spot cleaning device and using method thereof |
| CN111803206A (en) * | 2019-04-11 | 2020-10-23 | 天津大学 | Intelligent lattice laser beauty instrument based on wireless communication |
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