CN105872492A - Cultural relic color change monitoring system - Google Patents
Cultural relic color change monitoring system Download PDFInfo
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- CN105872492A CN105872492A CN201610404707.8A CN201610404707A CN105872492A CN 105872492 A CN105872492 A CN 105872492A CN 201610404707 A CN201610404707 A CN 201610404707A CN 105872492 A CN105872492 A CN 105872492A
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- Prior art keywords
- value
- photo
- monitoring terminal
- remote monitoring
- historical relic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6011—Colour correction or control with simulation on a subsidiary picture reproducer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
- H04N1/6052—Matching two or more picture signal generators or two or more picture reproducers
- H04N1/6055—Matching two or more picture signal generators or two or more picture reproducers using test pattern analysis
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Abstract
The invention relates to the technical field of monitoring and provides a cultural relic color change monitoring system which comprises a remote monitoring terminal. The cultural relic color change monitoring system is characterized in that the remote monitoring terminal is wirelessly connected with a sensor system for detecting cultural relic color change conditions; the sensor system comprises at least comprises at least two cameras; the remote monitoring terminal is any one of a mobile phone, a tablet personal computer and a desktop computer; the remote monitoring terminal is internally provided with monitoring software with an image processing function. By virtue of utilizing pictures photographed by the cameras as references for the cultural relic color changes, the remote monitoring terminal acquires the pictures photographed by the camera in a wireless mode and realizes comparison and analysis on the cultural relic color changes by virtue of the image processing function of the monitoring software.
Description
Technical field
The present invention relates to monitoring technical field, be specifically related to mural painting, colored drawing look change monitoring system.
Background technology
Mural painting and coloured drawing pigment are mostly inorganic mineral pigments.These coats of colo(u)r are the main of mural painting and colored drawing
Part and elite place.But during mural painting and colored drawing preserve, due to physics, chemistry and biological factor,
Such as the impact of the factors such as sunlight, oxygen, humiture, industrial gasses, stratum basicity and microorganism, mural painting
With the coat of colo(u)r of colored drawing can gradually variable color or fade, lose original artistic characteristics, and make it true
Property and integrality are damaged.
At present for the monitoring of historical relic discoloration development and change situation, mainly shoot digital photograph with human at periodic intervals
It is main for being analyzed contrast, and three-dimensional laser scanning technique also gradually finds application in this field simultaneously.
But it is quantitative that human at periodic intervals shoots that the method for digital photograph analysis contrast is difficult to discoloration state of development
Monitoring, the mode of artificial interpretation also cannot accurately judge the degree of discoloration；Although 3-D scanning technology can
Color changing condition is carried out Accurate Analysis the most with high costs, it is difficult to extensively use.
Summary of the invention
It is an object of the invention to provide historical relic look change monitoring system, to solve above-mentioned technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
Historical relic look change monitoring system, including remote monitoring terminal, it is characterised in that described long-range monitoring is eventually
For detecting, the sensing system of historical relic color change situation is wireless to be connected end with one；
Described sensing system includes at least two camera；
Described remote monitoring terminal is any one in mobile phone, panel computer, desktop computer, described far
One monitoring of software with image processing function is installed in range monitoring terminal.
The present invention, is remotely supervised as the foundation of historical relic color change situation by the picture that photographed by camera
Control terminal knows, with wireless form, the picture that camera photographs.Remote monitoring terminal is by monitoring of software
Image processing function realizes the comparison and analysis to historical relic color change.
Described sensing system also includes being responsible for caching and analyzes the embedded of view data that collected by camera arrives
Industrial computer, described camera connects described built-in industrial control machine by data wire.
It is easy to transmit information to remote monitoring terminal.
Described sensing system is connected with described remote monitoring terminal by a data relay device；
Described data relay device includes at least two wireless communication module, microprocessor system, described
Microprocessor system connects described at least two wireless communication module, described at least two radio communication mold
Block include the first communication module for carrying out radio communication with described sensing system, for described far
Range monitoring terminal carries out the second communication module of radio communication；
Described built-in industrial control machine is provided with the first wireless receiving and dispatching mould matched with described first communication module
Block；
Described remote monitoring terminal is provided with the second wireless receiving and dispatching mould matched with described second communication module
Block.
The present invention is by being provided with a data relay device, it is simple to after the data monitoring camera are collected,
It is sent to remote monitoring terminal.
Each monitoring point is equipped with a data transferring device, the remote monitoring terminal monitoring to each monitoring point
Data are analyzed processing, and send commands to give data relay device and then obtain each monitoring by network
The real-time single Monitoring Data of point.Each monitoring point is provided with at least two camera, the camera of a monitoring point
The picture collected is sent to the data relay device of residing monitoring point.
The region area of each monitoring point is 100 square metres.
Described first communication module be in bluetooth communication, infrared communication module, ZigBee module extremely
Few a kind of wireless communication module；
Described second communication module is 2G network communication module, 3G network communication module, 4G network service
At least one network communication module in module.
Facilitate implementation sensing system, data relay device, the monitoring of remote monitoring terminal three.
Described camera and built-in industrial control machine are fixed on a support.
Described support is provided with the slide rail moved for described camera, and described camera slides even with described slide rail
Connecing, described slide rail includes a first horizontal slide rail, and one end of described first slide rail is provided with the first expansion link；
Described first expansion link is provided with a pars contractilis, fixed part, and described pars contractilis slides with described fixed part
Connecting, described pars contractilis is provided with magnetic away from the end of described fixed part；
The outer wall of described camera is provided with the different magnetic different with magnetic magnetic or magnetic metal；
Described pars contractilis connects the first motor by drive disk assembly, and described first motor connects signal transacting mould
Block.
It is easy to according to the monitoring picture orientation adjusting camera.
Described historical relic is mural painting or colored drawing works.
Described monitoring of software includes an image analyzing unit, and image analyzing unit is from tri-colors of R, G, B
Value analyzes chromatic value H, brightness value Y and color-values S of correspondence, and its relation is as follows:
Y=0.2R+0.49G+0.19B；
H=tan (c1/c2)；
S=(C12+C22)1/2；
C1=0.75R-0.35G-0.21B；
C2=-0.3R-0.57G+0.89B.
Described remote monitoring terminal is provided with a memory module, and described memory module storage has the original of historical relic
Photo；Described image analyzing unit analyzes the H value of original photo, with the H value in original photo for original
Look H value；
During follow-up monitoring, it is current color H value that different times monitors the color of photo；
Relation between the absolute value of the difference of current H value and original H value and discoloration permission parameter is:
Current color H value-original look H value > discoloration permission parameter, now, show that the color of historical relic is sent out
Give birth to change.
Current color H value and original look H value can be original photo with current shooting to photo in same
H value at fixed point.
Current color H value and original look H value can be original photo and current shooting to photo in same
The H value in homochromy region, the area in described homochromy region is not less than 1cm2。
The region that color in original photo is single is divided by described image analyzing unit as comparison area, image
The region of comparison area position consistency with original photo in current shooting to photo is carried by analysis unit
Take；
Comparison area in original photo is first area, and the comparison area of current shooting to photo is second
Region；
The described first area point corresponding with all selecting at least three position on described second area as than
Relatively point, carries out H value and compares, and calculates the original photo and the H value of comparison point in current photo chosen respectively
Difference, and calculate mean value, if mean value is more than setting value, it is judged that for discoloration.
The comparison point of first area is designated as 1,2,3 respectively ... the number of n, n=comparison point, the H of each point
Value is respectively H1, H2, H3 ... Hn, and the comparison point of second area is designated as 1 ', 2 ', 3 ' respectively ... n ',
And H value is designated as H1 ', H2 ', H3 ' ... Hn '；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is big
When limit value, for there is discoloration in remote monitoring terminal analysis；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is little
In or equal to limit value time, for there is not discoloration in remote monitoring terminal analysis.
The preparation method of H value may refer to a fixed region as background luminance calibration and white balance calibration district
Territory, it is intended that region be the region that color is single, analyze and preserve current background gray scale, and correspondence
Average color parameter, thus obtain R, G, B value, according to H=tan (c1/c2)；
C1=0.75R-0.35G-0.21B；C2=-0.3R-0.57G+0.89B, and then obtain H value.Current background
Gray scale is the background gray scale specifying region.
Described monitoring software free locking needs the color block target of detection, and automatically to target area
Color situation of change carries out data acquisition, and with historical data comparative analysis, generate the literary composition in monitored area
The color variation tendency of thing.
As a kind of preferred version, described built-in industrial control machine is provided with an image processing software, described embedding
Camera is currently collected by formula industrial computer by image processing software specifies region to carry out cutting process in photo
After, clipping region is sent to data relay device, sends to remote monitoring terminal through data relay device
It is analyzed whether discoloration occurring.
Described remote monitoring terminal is chosen the photo that currently collects and is specified in region at least three point with original
The H value of the corresponding section on photo compares；
The photo currently collected is specified in region and is chosen at least three point, is designated as 1,2,3 respectively ... n,
The number of n=selected point, the H value of each point is respectively H1, H2, H3 ... Hn, the phase in original photo
Corresponding section in the original photo of corresponding position is designated as 1 ', 2 ', 3 ' respectively ... n ', and H value is designated as
H1′、H2′、H3′…Hn′；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is big
When limit value, for there is discoloration in remote monitoring terminal analysis；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is little
In or equal to limit value time, for there is not discoloration in remote monitoring terminal analysis.
Clipping region is sent while data relay device by described built-in industrial control machine, also by cutting
Outline collected by camera to photo on azimuthal coordinates value send to data relay device.
It is easy to the remote monitoring terminal combination according to the azimuthal coordinates value received with difference region, it is achieved remote
Range monitoring terminal carries out the split of picture, it is thus achieved that the original photo that cutting collected by camera before treatment arrives.
Described built-in industrial control machine is provided with a clock module, and described built-in industrial control machine passes through described clock mould
Block controls described camera and is timed picture collection.
Clipping region is circular, and azimuthal coordinates value includes coordinate value and the radius of circle at the center of circle
Value.The coordinate value of the lower-left end of the photo arrived with collected by camera is for (0,0).It is easy to calculate the district being cut out
The azimuthal coordinates value in other region.
Clipping region is away from shape, and azimuthal coordinates value includes the coordinate value at two diagonal angles of rectangle.
Described historical relic is provided with a picture frame layer being coated with pigment, and described picture frame layer is positioned at the front table of described historical relic
Face, the rear end of described historical relic is provided with a heater, and described heater includes a matrix, described matrix
Inside being embedded with the netted heater strip of crisscross arrangement, described heater strip is provided with an electrical energy inputs, described
The electrical energy inputs of heater strip connects the electric energy output end of a solar panel, described solar panel
Lighting surface be the curved surface of an indent.Main cause for papery colored drawing works generation discoloration is exactly moist,
The paper jaundice caused, the present invention passes through heater, it is achieved the evaporation process of moisture.Pass through lighting surface
For inner sunken face, it is simple to improve the absorptivity of luminous energy.
One it is provided with for the database of real time record color change data in remote monitoring terminal.When monitoring
Data with storage have data consistent time, the storage time of more new data, data value is constant, works as monitoring
To data inconsistent with the data that have of storage time, storage data also record the storage time.It is easy to save number
While the memory space in storehouse, it is simple to Data Integration.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, the present invention is further elucidated below.
Seeing Fig. 1, historical relic look change monitoring system, including remote monitoring terminal 14, remote monitoring terminal 14
For detecting, the sensing system of historical relic color change situation is wireless to be connected with one；Sensing system include to
Few two cameras 10；Remote monitoring terminal 14 is any one in mobile phone, panel computer, desktop computer,
One monitoring of software with image processing function is installed in remote monitoring terminal.The present invention is by by camera
The picture photographed obtains with wireless form as the foundation of historical relic color change situation, remote monitoring terminal
Know the picture that camera photographs.Remote monitoring terminal is realized literary composition by the image processing function of monitoring of software
The comparison and analysis of thing color change.
Sensing system also includes being responsible for caching and analyzing the embedded industry control of the view data that collected by camera arrives
Machine 11, camera 10 connects built-in industrial control machine 11 by data wire.It is easy to transmit information to remotely supervise
Control terminal.
Sensing system is connected with remote monitoring terminal 14 by a data relay device 13；Data relay
Device 13 includes at least two wireless communication module, microprocessor system, and microprocessor system connects
At least two wireless communication module, at least two wireless communication module includes for carrying out with sensing system
The first communication module of radio communication, communicate mould for carrying out the second of radio communication with remote monitoring terminal
Block；Built-in industrial control machine is provided with the first radio receiving transmitting module matched with first communication module；Remotely prison
Control terminal is provided with the second radio receiving transmitting module matched with second communication module.The present invention is by being provided with one
Data relay device, it is simple to after the data monitoring camera are collected, be sent to remote monitoring terminal.
Each monitoring point is equipped with a data transferring device, the remote monitoring terminal monitoring to each monitoring point
Data are analyzed processing, and send commands to give data relay device and then obtain each monitoring by network
The real-time single Monitoring Data of point.Each monitoring point is provided with at least two camera, the camera of a monitoring point
The picture collected is sent to the data relay device of residing monitoring point.
The region area of each monitoring point is 100 square metres.
First communication module is at least in bluetooth communication, infrared communication module, ZigBee module
Plant wireless communication module；Second communication module is 2G network communication module, 3G network communication module, 4G
At least one network communication module in network communication module.Facilitate implementation sensing system, data relay
Device, the monitoring of remote monitoring terminal three.
Camera 10 and built-in industrial control machine 11 are fixed on a support 12.
Support is provided with the slide rail moved for camera, and camera is slidably connected with slide rail, and slide rail includes that one is horizontal
To the first slide rail, one end of the first slide rail is provided with the first expansion link；First expansion link be provided with a pars contractilis,
Fixed part, pars contractilis is slidably connected with fixed part, and pars contractilis is provided with magnetic away from the end of fixed part；
The outer wall of camera is provided with the different magnetic different with magnetic magnetic or magnetic metal；Pars contractilis leads to
Crossing drive disk assembly and connect the first motor, the first motor connects signal processing module.It is easy to according to adjusting camera
Monitoring picture orientation.
Historical relic is mural painting or colored drawing works.
Monitoring of software includes an image analyzing unit, and image analyzing unit divides from tri-color values of R, G, B
Separating out corresponding chromatic value H, brightness value Y and color-values S, its relation is as follows:
Y=0.2R+0.49G+0.19B；
H=tan (c1/c2)；
S=(C12+C22)1/2；
C1=0.75R-0.35G-0.21B；
C2=-0.3R-0.57G+0.89B.
Remote monitoring terminal is provided with a memory module, and memory module storage has the original photo of historical relic；Figure
As analytic unit analyzes the H value of original photo, with the H value in original photo for original look H value；Rear
During continuous monitoring, it is current color H value that different times monitors the color of photo；Current H value is with original
Relation between the absolute value of the difference of H value and discoloration permission parameter is: current color H value-original look H value
> discoloration permission parameter, now, show that the color of historical relic there occurs change.
Current color H value and original look H value can be original photo with current shooting to photo in same
H value at fixed point.
Current color H value and original look H value can be original photo and current shooting to photo in same
The H value in homochromy region, the area in homochromy region is not less than 1cm2。
Image analyzing unit to the single region of color in original photo as comparison area, graphical analysis list
The region of comparison area position consistency with original photo in current shooting to photo is extracted by unit；Former
Comparison area on beginning photo is first area, and the comparison area of current shooting to photo is second area；
The first area point corresponding with all selecting at least three position on second area, as comparison point, carries out H
Value compares, and calculates the original photo and the difference of the H value of comparison point in current photo chosen respectively, and calculates
Go out mean value, if mean value is more than setting value, it is judged that for discoloration.
The comparison point of first area is designated as 1,2,3 respectively ... the number of n, n=comparison point, the H of each point
Value is respectively H1, H2, H3 ... Hn, and the comparison point of second area is designated as 1 ', 2 ', 3 ' respectively ... n ',
And H value is designated as H1 ', H2 ', H3 ' ... Hn '；(∣H1′-H1∣+∣H2′-H2∣+∣
H3 '-H3+Hn '-Hn)/n more than limit value time, remote monitoring terminal analysis for occur look
Become；(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is little
In or equal to limit value time, for there is not discoloration in remote monitoring terminal analysis.
The preparation method of H value may refer to a fixed region as background luminance calibration and white balance calibration district
Territory, it is intended that region be the region that color is single, analyze and preserve current background gray scale, and correspondence
Average color parameter, thus obtain R, G, B value, according to H=tan (c1/c2)；
C1=0.75R-0.35G-0.21B；C2=-0.3R-0.57G+0.89B, and then obtain H value.Current background
Gray scale is the background gray scale specifying region.
Monitoring software free locking needs the color block target of detection, and the automatic color to target area
Situation of change carries out data acquisition, and with historical data comparative analysis, generate historical relic in monitored area
Color variation tendency.
As a kind of preferred version, built-in industrial control machine is provided with an image processing software, built-in industrial control machine
By image processing software camera currently collected after photo being specified region carry out cutting process, will cut out
Cut region and be sent to data relay device, be analyzed to remote monitoring terminal through the transmission of data relay device
Whether there is discoloration.
Remote monitoring terminal is chosen the photo currently collected and is specified at least three point and original photo in region
On the H value of corresponding section compare；The photo currently collected is specified in region and is chosen at least three
Point, is designated as 1,2,3 respectively ... the number of n, n=selected point, H value of each point respectively H1, H2,
H3 ... Hn, the corresponding section in the original photo of corresponding section in original photo is designated as 1 ' respectively, 2 ',
3 ' ... n ', and H value is designated as H1 ', H2 ', H3 ' ... Hn '；(∣H1′-H1∣+∣H2′
-H2+H3 '-H3+Hn '-Hn)/n more than limit value time, remote monitoring terminal divides
For there is discoloration in analysis；(∣H1′-H1∣+∣H2′-H2∣+∣H3′-H3∣+∣Hn′-
Hn), when/n is less than or equal to limit value, for there is not discoloration in remote monitoring terminal analysis.
Clipping region is sent while data relay device by built-in industrial control machine, also by the foreign steamer of cutting
Wide collected by camera to photo on azimuthal coordinates value send to data relay device.It is easy to remotely monitor
Terminal is according to the combination of the azimuthal coordinates value received with difference region, it is achieved remote monitoring terminal carries out picture
The split in face, it is thus achieved that the original photo that cutting collected by camera before treatment arrives.
Built-in industrial control machine is provided with a clock module, and built-in industrial control machine controls camera by clock module and enters
Row timing picture collection.
Clipping region is circular, and azimuthal coordinates value includes coordinate value and the radius of circle at the center of circle
Value.The coordinate value of the lower-left end of the photo arrived with collected by camera is for (0,0).It is easy to calculate the district being cut out
The azimuthal coordinates value in other region.
Clipping region is away from shape, and azimuthal coordinates value includes the coordinate value at two diagonal angles of rectangle.
Historical relic is provided with a picture frame layer being coated with pigment, and picture frame layer is positioned at the front surface of historical relic, after historical relic
End is provided with a heater, and heater includes a matrix, is embedded with the net of crisscross arrangement in matrix
Shape heater strip, heater strip is provided with an electrical energy inputs, and the electrical energy inputs of heater strip connects a solar-electricity
The electric energy output end of pond plate, the lighting surface of solar panel is the curved surface of an indent.For papery colored drawing
The main cause of works generation discoloration is exactly moist, the paper jaundice caused, and the present invention passes through heater,
Realize the evaporation process of moisture.
One it is provided with for the database of real time record color change data in remote monitoring terminal.When monitoring
Data with storage have data consistent time, the storage time of more new data, data value is constant, works as monitoring
To data inconsistent with the data that have of storage time, storage data also record the storage time.It is easy to save number
While the memory space in storehouse, it is simple to Data Integration.
The general principle of the present invention and principal character and advantages of the present invention have more than been shown and described.This
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and saying
The principle that the present invention is simply described described in bright book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. historical relic look change monitoring system, including remote monitoring terminal, it is characterised in that described long-range monitoring
For detecting, the sensing system of historical relic color change situation is wireless to be connected terminal with one；
Described sensing system includes at least two camera；
Described remote monitoring terminal is any one in mobile phone, panel computer, desktop computer, described far
One monitoring of software with image processing function is installed in range monitoring terminal.
Historical relic look change monitoring system the most according to claim 1, it is characterised in that: described sensor
System also includes being responsible for caching and analyzing the built-in industrial control machine of the view data that collected by camera arrives, described phase
Machine connects described built-in industrial control machine by data wire.
Historical relic look change monitoring system the most according to claim 2, it is characterised in that: described sensor
System is connected with described remote monitoring terminal by a data relay device；
Described data relay device includes at least two wireless communication module, microprocessor system, described
Microprocessor system connects described at least two wireless communication module, described at least two radio communication mold
Block include the first communication module for carrying out radio communication with described sensing system, for described far
Range monitoring terminal carries out the second communication module of radio communication；
Described built-in industrial control machine is provided with the first wireless receiving and dispatching mould matched with described first communication module
Block；
Described remote monitoring terminal is provided with the second wireless receiving and dispatching mould matched with described second communication module
Block.
Historical relic look change monitoring system the most according to claim 3, it is characterised in that: described first leads to
Letter module is at least one radio communication in bluetooth communication, infrared communication module, ZigBee module
Module；
Described second communication module is 2G network communication module, 3G network communication module, 4G network service
At least one network communication module in module.
Historical relic look change monitoring system the most according to claim 2, it is characterised in that: described camera with
Built-in industrial control machine is fixed on a support；
Described support is provided with the slide rail moved for described camera, and described camera slides even with described slide rail
Connecing, described slide rail includes a first horizontal slide rail, and one end of described first slide rail is provided with the first expansion link；
Described first expansion link is provided with a pars contractilis, fixed part, and described pars contractilis slides with described fixed part
Connecting, described pars contractilis is provided with magnetic away from the end of described fixed part；
The outer wall of described camera is provided with the different magnetic different with magnetic magnetic or magnetic metal；
Described pars contractilis connects the first motor by drive disk assembly, and described first motor connects signal transacting mould
Block.
Historical relic look change monitoring system the most according to claim 3, it is characterised in that: described monitoring is soft
Part includes an image analyzing unit, and image analyzing unit analyzes correspondence from tri-color values of R, G, B
Chromatic value H, brightness value Y and color-values S, its relation is as follows:
Y=0.2R+0.49G+0.19B；
H=tan (c1/c2)；
S=(C12+C22)1/2；
C1=0.75R-0.35G-0.21B；
C2=-0.3R-0.57G+0.89B.
Historical relic look change monitoring system the most according to claim 6, it is characterised in that: described long-range prison
Control terminal is provided with a memory module, and described memory module storage has the original photo of historical relic；Described image
Analytic unit analyzes the H value of original photo, with the H value in original photo for original look H value；
During follow-up monitoring, it is current color H value that different times monitors the color of photo；
Relation between the absolute value of the difference of current H value and original H value and discoloration permission parameter is:
Current color H value-original look H value > discoloration permission parameter, now, show that the color of historical relic is sent out
Give birth to change.
Historical relic look change monitoring system the most according to claim 6, it is characterised in that: described image divides
The region that color in original photo is single is clapped current by analysis unit as comparison area, image analyzing unit
The region taking the photograph on photo the comparison area position consistency with original photo is extracted；
Comparison area in original photo is first area, and the comparison area of current shooting to photo is second
Region；
The described first area point corresponding with all selecting at least three position on described second area as than
Relatively point, carries out H value and compares, and calculates the original photo and the H value of comparison point in current photo chosen respectively
Difference, and calculate mean value, if mean value is more than setting value, it is judged that for discoloration.
Historical relic look change monitoring system the most according to claim 8, it is characterised in that: first area
Comparison point is designated as 1,2,3 respectively ... the number of n, n=comparison point, the H value of each point respectively H1,
H2, H3 ... Hn, the comparison point of second area is designated as 1 ', 2 ', 3 ' respectively ... n ', and H value note
For H1 ', H2 ', H3 ' ... Hn '；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is big
When limit value, for there is discoloration in remote monitoring terminal analysis；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is little
In or equal to limit value time, for there is not discoloration in remote monitoring terminal analysis.
Historical relic look change monitoring system the most according to claim 6, it is characterised in that: described embedded
Industrial computer is provided with an image processing software, and camera is worked as by described built-in industrial control machine by image processing software
Before collect and photo specified after region carries out cutting process, clipping region is sent to data relay device,
Send through data relay device and be analyzed whether discoloration occurring to remote monitoring terminal；
Described remote monitoring terminal is chosen the photo that currently collects and is specified in region at least three point with original
The H value of the corresponding section on photo compares；
The photo currently collected is specified in region and is chosen at least three point, is designated as 1,2,3 respectively ... n,
The number of n=selected point, the H value of each point is respectively H1, H2, H3 ... Hn, the phase in original photo
Corresponding section in the original photo of corresponding position is designated as 1 ', 2 ', 3 ' respectively ... n ', and H value is designated as
H1′、H2′、H3′…Hn′；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is big
When limit value, for there is discoloration in remote monitoring terminal analysis；
(H1 '-H1+H2 '-H2+H3 '-H3+Hn '-Hn)/n is little
In or equal to limit value time, for there is not discoloration in remote monitoring terminal analysis.
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