CN107295318A - Colour projection's platform based on image procossing - Google Patents
Colour projection's platform based on image procossing Download PDFInfo
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- CN107295318A CN107295318A CN201710727350.1A CN201710727350A CN107295318A CN 107295318 A CN107295318 A CN 107295318A CN 201710727350 A CN201710727350 A CN 201710727350A CN 107295318 A CN107295318 A CN 107295318A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
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- Signal Processing (AREA)
- Physics & Mathematics (AREA)
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- Image Processing (AREA)
Abstract
The present invention relates to a kind of colour projection's platform based on image procossing, including：Timing device, for determining and exporting current time；Real-time luminosity detection device, for exporting the current light intensity in real time；Reference value determines equipment, for obtaining the current time, it is connected with the real-time luminosity detection device, for using the current time as axis, maximum, average and the variance of the current light intensity are obtained, and the reference value that the maximum based on the current light intensity, average and variance are obtained using the current time as variable quantity determines function；Flake picture pick-up device, for carrying out real time image collection to interior environment, to obtain high definition ambient image；Color projecting apparatus, the live fluoroscopic of the jam situation for carrying out each predeterminable area towards compartment ground.By means of the invention it is possible to intuitively be shown to compartment jam situation.
Description
Technical field
The present invention relates to image processing field, more particularly to a kind of colour projection's platform based on image procossing.
Background technology
It is different also different by the model in compartment, and the railway staffing for having several compartments most widely used at present.One row
Passenger train has a few section compartments not necessarily, and he is determined by Multiple factors, is mainly restricted by by the line length at station, it is impossible to
It is oversize, not so to press track switch, generally 15-20 sections.
Passenger train compartment is high 2.8 meters, and width is 3.3 meters.The car body total length of general 25B, 22B type of car length is 24.4
Rice, changes a length of 2.2, and the total length of the air-conditioning car body such as 25G, 25K, 25T is typically all 26.6 meters.Change a length of 2.4.Permutation fire
400-600 meters of vehicle commander's degree.
In the prior art, the flow of personnel in each compartment is blindness, it is easy to cause some area people mistake
Flock together more, and the empty situation in other regions occurs, this causes the unrealized sufficient utilization in compartment space, to most of
Passenger brings discomfort.
The content of the invention
In order to solve the above problems, the invention provides a kind of colour projection's platform based on image procossing, using multiple
High precision image collecting device and image processing equipment are accurately identified to the passengers quantity in each region in compartment, upper
State on the basis of data, determine the congestion level in each region, more it is essential that refer to color projecting apparatus, with towards car
Railway carriage or compartment ground carries out the live fluoroscopic of the jam situation of each predeterminable area, wherein, when predeterminable area is congestion regions, project face
Color is red, and when predeterminable area is normal region, projected color is yellow, when predeterminable area is clear area, projects face
Color is green；The project content of the color projecting apparatus also includes each arrow that clear area is pointed to from congestion regions.
According to an aspect of the present invention there is provided a kind of colour projection's platform based on image procossing, the platform includes：
Timing device, for determining and exporting current time；Real-time luminosity detection device, including light quantity measuring instrument and brightness output connect
Mouthful, the light quantity measuring instrument is used to detect current light intensity in real time, and the brightness output interface connects with the light quantity measuring instrument
Connect, for exporting the current light intensity in real time.
More specifically, in colour projection's platform based on image procossing, in addition to：Reference value determines equipment, with
The timing device connection, for obtaining the current time, is connected with the real-time luminosity detection device, for being worked as with described
The preceding moment is axis, obtains maximum, average and the variance of the current light intensity, and based on the current light intensity
The reference value that maximum, average and variance obtain using the current time as variable quantity determines function；Flake picture pick-up device, is used for
Real time image collection is carried out to interior environment, to obtain high definition ambient image.
More specifically, in colour projection's platform based on image procossing, in addition to：Space conversion equipment, with fish
Eye imaging equipment is connected, for receiving high definition ambient image, and RGB color is performed to the high definition ambient image to YUV face
The signal conversion of the colour space, to obtain Y-component, U components and the V component of the high definition ambient image；Brightness regulation equipment, respectively
Determine that equipment and the space conversion equipment are connected with the timing device, the reference value, for based on the timing device
The current time of output determines that the reference value determines the functional value of function, and determines function using the reference value determined
Functional value is corrected to the V component.
More specifically, in colour projection's platform based on image procossing, in addition to：Output equipment is changed, with institute
The connection of brightness regulation equipment is stated, for performing YUV color spaces to RGB face based on the V component after U components, V component and correction
The signal conversion of the colour space, and the image obtained after signal is changed carries out gamma-corrected to obtain and export switching environment figure
Picture.
More specifically, in colour projection's platform based on image procossing, in addition to：Gradient extraction equipment, with turning
Output equipment connection is changed,, will for the pixel value of each pixel in switching environment image for receiving switching environment image
Its pixel value, which is subtracted, to be taken absolute value after the pixel value of the descending pixel of its same column to obtain the first absolute value, and its pixel value is subtracted into it
Taken absolute value after the pixel value for following pixel of going together to obtain the second absolute value, after the first absolute value is added with the second absolute value
Obtain and as gradient, wherein, the gradient of each pixel of last column of switching environment image directly takes lastrow
Same column pixel gradient, the gradient of each pixel of last row of switching environment image directly takes the colleague of previous column
The gradient of pixel；Gradient processing equipment, is connected with the gradient extraction equipment, for for each in switching environment image
The pixel value of pixel, its gradient is compared with predetermined gradient threshold value, is more than or equal to each of predetermined gradient threshold value for gradient
Individual pixel, processing is sharpened to its pixel value with the pixel value after being handled, is less than each of predetermined gradient threshold value to gradient
Individual pixel, directly using its pixel value as the pixel value after processing, the picture after the processing of all pixels in switching environment image
Plain value forms the corresponding gradient processing image of switching environment image；Wherein, predetermined gradient threshold value is determined according to sharpening level, sharpened
Higher grade, and predetermined gradient threshold value is smaller；
Position judgment equipment, is connected with the gradient processing equipment, for gradient processing image carry out human bioequivalence with
Multiple human body targets in gradient processing image are obtained, are additionally operable to each human body target, image is handled in gradient based on it
In the depth of field determine its real time position in interior；Domain identification equipment, is connected with the position judgment equipment, based on each
Individual human body target determines the human body quantity in each predeterminable area in compartment, works as predeterminable area in the real time position of interior
When interior human body quantity is more than or equal to predetermined number threshold value, it is congestion regions to determine predeterminable area, when the human body in predeterminable area
When quantity is more than or equal to the half of predetermined number threshold value and is less than predetermined number threshold value, it is normal region to determine predeterminable area, when
When human body quantity in predeterminable area is less than the half of predetermined number threshold value, it is clear area to determine predeterminable area；Colour projection
Instrument, is arranged on car body top, is connected with the domain identification equipment, for carrying out gathering around for each predeterminable area towards compartment ground
The live fluoroscopic of stifled situation, wherein, when predeterminable area is congestion regions, projected color is red, when predeterminable area is normal
During region, projected color is yellow, and when predeterminable area is clear area, projected color is green；The color projecting apparatus
Project content also includes each arrow that clear area is pointed to from congestion regions.
More specifically, in colour projection's platform based on image procossing：The position judgment equipment and the area
Domain identification apparatus is arranged in the control room in compartment, and the flake picture pick-up device is arranged on car body top.
More specifically, in colour projection's platform based on image procossing：The distribution of each predeterminable area in compartment
Situation is：The direction advanced along compartment, each predeterminable area, the area phase of each predeterminable area are divided horizontally into by compartment
Together.
More specifically, in colour projection's platform based on image procossing：The real-time luminosity detection device and institute
State on the side wall that timing device is all disposed within compartment.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the block diagram of colour projection's platform based on image procossing according to embodiment of the present invention.
Fig. 2 detects for the real-time luminosity of colour projection's platform based on image procossing according to embodiment of the present invention
The block diagram of equipment.
Reference：1 timing device；2 real-time luminosity detection devices；3 reference values determine equipment；4 flake picture pick-up devices；5
Space conversion equipment；6 brightness regulation equipment；7 conversion output equipments；21 light quantity measuring instruments；22 brightness output interfaces
Embodiment
The embodiment to colour projection's platform based on image procossing of the present invention is carried out in detail below with reference to accompanying drawings
Explanation.
Compartment is, every 8 section one combination good in factory-assembled, this all connected intercommunication in 8 section compartment.But some train numbers are
Raising transport power, takes the 8 section combination of the mode of reconnecting, i.e., two to connect, in this combination 1-8 compartments communicate, 9-16 compartments
Communicate, but be not communicated between two groups of compartments of 1-8 and 9-16.If sleeper-car EMUs, 16 one, sections are organized into groups, 1-8 and 9-
Communicated between 16 compartments.
Whenever special time period, such as festivals or holidays, or by the excessive region in residential area, the passenger in compartment occurs
Jam situation, moreover, the position selection of passenger is blindness in compartment, lacks effective guide scheme.In order to overcome it is above-mentioned not
Foot, the present invention has built a kind of colour projection's platform based on image procossing, and concrete scheme is as follows.
Fig. 1 is the block diagram of colour projection's platform based on image procossing according to embodiment of the present invention,
The platform includes：
Timing device, for determining and exporting current time；
Real-time luminosity detection device, as shown in Fig. 2 including light quantity measuring instrument and brightness output interface, the light quantity measurement
Instrument is used to detect current light intensity in real time, and the brightness output interface is connected with the light quantity measuring instrument, for exporting in real time
The current light intensity.
Then, continue to carry out further the concrete structure of colour projection's platform based on image procossing of the present invention
It is bright.
In colour projection's platform based on image procossing, in addition to：
Reference value determines equipment, is connected with the timing device, for obtaining the current time, with the real-time luminosity
Detection device is connected, for using the current time as axis, obtaining maximum, average and the side of the current light intensity
Difference, and the maximum based on the current light intensity, average and variance obtain the reference using the current time as variable quantity
Value determines function；
Flake picture pick-up device, for carrying out real time image collection to interior environment, to obtain high definition ambient image.
In colour projection's platform based on image procossing, in addition to：
Space conversion equipment, is connected with flake picture pick-up device, for receiving high definition ambient image, to the high definition environment map
As the signal for performing RGB color to YUV color spaces is changed, to obtain Y-component, the U components of the high definition ambient image
And V component；
Brightness regulation equipment, determines equipment and the space conversion equipment with the timing device, the reference value respectively
Connection, the current time for being exported based on the timing device determines that the reference value determines the functional value of function, and uses
The reference value determined determines that the functional value of function is corrected to the V component.
In colour projection's platform based on image procossing, in addition to：
Output equipment is changed, is connected with the brightness regulation equipment, for based on the V after U components, V component and correction
The signal that component performs YUV color spaces to RGB color is changed, and the image progress gamma obtained after signal is changed is repaiied
Just to obtain and export switching environment image.
In colour projection's platform based on image procossing, in addition to：
Gradient extraction equipment, is connected with conversion output equipment, for receiving switching environment image, for switching environment image
In each pixel pixel value, its pixel value is subtracted and takes absolute value to obtain after the pixel value of the descending pixel of its same column
One absolute value, takes absolute value to obtain the second absolute value after its pixel value is subtracted into the pixel value of its following pixel of going together, by the
It is that one absolute value is obtained after being added with the second absolute value and as gradient, wherein, last column of switching environment image it is each
The gradient of individual pixel directly takes the gradient of the same column pixel of lastrow, each pixel of last row of switching environment image
Gradient directly take previous column colleague's pixel gradient；
Gradient processing equipment, is connected with the gradient extraction equipment, for for each picture in switching environment image
The pixel value of element, its gradient is compared with predetermined gradient threshold value, is more than or equal to each of predetermined gradient threshold value for gradient
Pixel, processing is sharpened to its pixel value with the pixel value after being handled, is less than each of predetermined gradient threshold value to gradient
Pixel, directly using its pixel value as the pixel value after processing, the pixel after the processing of all pixels in switching environment image
Value forms the corresponding gradient processing image of switching environment image；
Wherein, predetermined gradient threshold value is determined according to sharpening level, sharpening level is higher, predetermined gradient threshold value is smaller；
Position judgment equipment, is connected with the gradient processing equipment, for gradient processing image carry out human bioequivalence with
Multiple human body targets in gradient processing image are obtained, are additionally operable to each human body target, image is handled in gradient based on it
In the depth of field determine its real time position in interior；
Domain identification equipment, is connected with the position judgment equipment, based on each human body target in the real-time of interior
Position, determines the human body quantity in each predeterminable area in compartment, when the human body quantity in predeterminable area is more than or equal to present count
When measuring threshold value, it is congestion regions to determine predeterminable area, when the human body quantity in predeterminable area is more than or equal to predetermined number threshold value
Half and during less than predetermined number threshold value, it is normal region to determine predeterminable area, when the human body quantity in predeterminable area be less than it is pre-
If during the half of amount threshold, it is clear area to determine predeterminable area；
Color projecting apparatus, is arranged on car body top, is connected with the domain identification equipment, for being carried out towards compartment ground
The live fluoroscopic of the jam situation of each predeterminable area；
Wherein, when predeterminable area is congestion regions, projected color is red, when predeterminable area is normal region, is thrown
Shadow color is yellow, and when predeterminable area is clear area, projected color is green；The project content of the color projecting apparatus is also
Each arrow including pointing to clear area from congestion regions.
In colour projection's platform based on image procossing：
The position judgment equipment and the domain identification equipment are arranged in the control room in compartment, and the flake shooting is set
It is standby to be arranged on car body top.
In colour projection's platform based on image procossing：
The distribution situation of each predeterminable area is in compartment：The direction advanced along compartment, compartment is divided horizontally into respectively
Individual predeterminable area, the area of each predeterminable area is identical.
In colour projection's platform based on image procossing：
The real-time luminosity detection device and the timing device are all disposed within the side wall in compartment.
In addition, in colour projection's platform based on image procossing, in addition to：Time division duplex communication interface, with institute
State the connection of domain identification equipment, the jam situation for transmitting wirelessly each predeterminable area.
Time division duplex is a kind of duplex mode of communication system, is received and transmission letter for separating in mobile communication system
Road.Mobile communication positive third generation development at present, China have submitted 3G (Third Generation) Moblie draft standard (TD- in June, 1997
SCDMA), the characteristic such as its tdd mode and smart antenna new technology is greatly prized by and into one of three main candidate standards.
Fdd mode rules all the land in the first generation and second generation mobile communication system, and tdd mode does not draw attention.But due to new business
The need for and new technology development, and tdd mode many advantages, tdd mode will be increasingly subject to pay attention to.
The operation principle of time division duplex is as follows：TDD is a kind of duplex mode of communication system, is used in mobile communication system
Received and transmission channel (or uplink downlink) in separation.Received in the GSM of tdd mode and transmission is same
Frequency channels are the different time-gap of carrier wave, and reception and transmission channel are separated with the time is ensured；And the mobile communication system of fdd mode
The reception and transmission of system are that on two symmetrical frequency channels of separation, reception and transmission channel are separated with frequency range is ensured.
It is different using the GSM feature and communication benefit of different dual-modes.The movement of tdd mode is led to
Up-downgoing channel is with same frequency in letter system, thus the reciprocity with up-downgoing channel, and this leads to the movement of tdd mode
Letter system brings many advantages.
In tdd mode, the transmission of information can be carried out in same carrier frequency in up-link and downlink, i.e.,
The transmission of information is realized on same carrier wave by the time-division in the transmission of information and downlink in up-link.
Using colour projection's platform based on image procossing of the present invention, it has been not implemented for compartment space in the prior art
The technical problem of complete utilization, determines that equipment, flake shooting are set by introducing timing device, real-time luminosity detection device, reference value
The electronic equipments such as standby, space conversion equipment, brightness regulation equipment, conversion output equipment obtain the congestion journey of regional in compartment
Degree, carries out A clear guidance, so that the space for the regional being fully utilized in compartment, it is ensured that big by projecting apparatus to the stream of people
The interests of most passengers.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-described embodiment and being not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible variations and modification are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of colour projection's platform based on image procossing, including：
Timing device, for determining and exporting current time；
Real-time luminosity detection device, including light quantity measuring instrument and brightness output interface, the light quantity measuring instrument are used to detect in real time
Current light intensity, the brightness output interface is connected with the light quantity measuring instrument, strong for exporting the current light in real time
Degree.
2. colour projection's platform as claimed in claim 1 based on image procossing, it is characterised in that the platform also includes：
Reference value determines equipment, is connected with the timing device, for obtaining the current time, is detected with the real-time luminosity
Equipment is connected, for using the current time as axis, obtaining maximum, average and the variance of the current light intensity, and
The reference value that maximum, average and variance based on the current light intensity obtain using the current time as variable quantity is determined
Function；
Flake picture pick-up device, for carrying out real time image collection to interior environment, to obtain high definition ambient image.
3. colour projection's platform as claimed in claim 2 based on image procossing, it is characterised in that the platform also includes：
Space conversion equipment, is connected with flake picture pick-up device, for receiving high definition ambient image, and the high definition ambient image is held
The signal of row RGB color to YUV color spaces is changed, to obtain Y-component, U components and V points of the high definition ambient image
Amount；
Brightness regulation equipment, determines that equipment and the space conversion equipment are connected with the timing device, the reference value respectively,
Current time for being exported based on the timing device determines that the reference value determines the functional value of function, and using determination
The reference value determines that the functional value of function is corrected to the V component.
4. colour projection's platform as claimed in claim 3 based on image procossing, it is characterised in that the platform also includes：
Output equipment is changed, is connected with the brightness regulation equipment, for based on the V component after U components, V component and correction
The signal for performing YUV color spaces to RGB color is changed, and the image progress gamma-corrected obtained after signal is changed with
Obtain and export switching environment image.
5. colour projection's platform as claimed in claim 4 based on image procossing, it is characterised in that the platform also includes：
Gradient extraction equipment, is connected with conversion output equipment, for receiving switching environment image, in switching environment image
The pixel value of each pixel, its pixel value is subtracted taken absolute value after the pixel value of the descending pixel of its same column it is exhausted to obtain first
To value, taken absolute value after its pixel value is subtracted into the pixel value of its following pixel of going together to obtain the second absolute value, it is exhausted by first
It is being obtained after being added to value with the second absolute value and as gradient, wherein, each picture of last column of switching environment image
The gradient of element directly takes the gradient of the same column pixel of lastrow, the ladder of each pixel of last row of switching environment image
Degree directly takes the gradient of colleague's pixel of previous column；
Gradient processing equipment, is connected with the gradient extraction equipment, for for each pixel in switching environment image
Pixel value, its gradient is compared with predetermined gradient threshold value, and each pixel of predetermined gradient threshold value is more than or equal to for gradient,
Processing is sharpened to its pixel value with the pixel value after being handled, each pixel of predetermined gradient threshold value is less than to gradient,
Directly using its pixel value as the pixel value after processing, the pixel value after the processing of all pixels in switching environment image is formed
The corresponding gradient processing image of switching environment image；Wherein, predetermined gradient threshold value is determined according to sharpening level, sharpening level is got over
Height, predetermined gradient threshold value is smaller；
Position judgment equipment, is connected with the gradient processing equipment, for being obtained to gradient processing image progress human bioequivalence
Multiple human body targets in gradient processing image, are additionally operable to each human body target, based on it in gradient processing image
The depth of field determines its real time position in interior；
Domain identification equipment, is connected with the position judgment equipment, based on each human body target interior real time position,
The human body quantity in each predeterminable area in compartment is determined, when the human body quantity in predeterminable area is more than or equal to predetermined number threshold value
When, determine predeterminable area be congestion regions, when the human body quantity in predeterminable area be more than or equal to predetermined number threshold value half and
During less than predetermined number threshold value, it is normal region to determine predeterminable area, when the human body quantity in predeterminable area is less than predetermined number
During the half of threshold value, it is clear area to determine predeterminable area；
Color projecting apparatus, is arranged on car body top, is connected with the domain identification equipment, for carrying out each towards compartment ground
The live fluoroscopic of the jam situation of predeterminable area, wherein, when predeterminable area is congestion regions, projected color is red, when pre-
If region is normal region, projected color is yellow, and when predeterminable area is clear area, projected color is green；It is described
The project content of color projecting apparatus also includes each arrow that clear area is pointed to from congestion regions.
6. colour projection's platform as claimed in claim 5 based on image procossing, it is characterised in that：
The position judgment equipment and the domain identification equipment are arranged in the control room in compartment, and the flake picture pick-up device is set
Put in car body top.
7. colour projection's platform as claimed in claim 6 based on image procossing, it is characterised in that：
The distribution situation of each predeterminable area is in compartment：The direction advanced along compartment, is divided horizontally into each pre- by compartment
If region, the area of each predeterminable area is identical.
8. colour projection's platform based on image procossing as described in claim 1-7 is any, it is characterised in that：
The real-time luminosity detection device and the timing device are all disposed within the side wall in compartment.
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| CN110636210A (en) * | 2019-05-17 | 2019-12-31 | 郝红娟 | Wireless signal triggering method |
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