CN109996028A - Monitoring display equipment and watermark adding method - Google Patents
Monitoring display equipment and watermark adding method Download PDFInfo
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- CN109996028A CN109996028A CN201711468883.9A CN201711468883A CN109996028A CN 109996028 A CN109996028 A CN 109996028A CN 201711468883 A CN201711468883 A CN 201711468883A CN 109996028 A CN109996028 A CN 109996028A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
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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
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Abstract
The present embodiments relate to monitoring device technical fields, and in particular to a kind of monitoring shows equipment and watermark adding method, and for loading watermark to monitoring image, monitoring display equipment includes video access interface, information transmission interface, processor and display screen.Information transmission interface is used for the watermark configuration information that receiving terminal apparatus is sent, and it is transmitted to the processor, wherein, watermark configuration information includes location information and binaryzation watermark picture, processor is used to receive the monitoring image of video access interface transmission, it obtains each pixel in monitoring image and exports location of pixels coordinate to the position coordinates of display screen as each pixel, and binaryzation watermark picture is loaded by monitoring image according to location information and each location of pixels coordinate, thus monitoring image of the output with watermark.It is realized by above-mentioned setting and watermark is added to monitoring image, and staff is facilitated to collect evidence and call to account.
Description
Technical field
The present invention relates to monitoring device technical fields, show equipment and watermark addition side in particular to a kind of monitoring
Method.
Background technique
With the increase of crime levels and threat, world's question of common concern is had become safely, and carrying out video monitoring is
One of the method for solving the problems, such as this.Currently, monitoring display equipment is main in airport, bank, highway or down town etc.
Place is wanted to be widely applied.
Through inventor the study found that existing exist when being monitored video display in safety-security area and be not easy to collect evidence
The problem of with calling to account.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of monitoring to show equipment and watermark adding method, for prison
It controls image and loads watermark, in order to call to account and collect evidence.
The embodiment of the present invention provides a kind of monitoring display equipment, for loading watermark, the monitoring display to monitoring image
Equipment includes video access interface, information transmission interface, processor and display screen.
The information transmission interface is used for the watermark configuration information that receiving terminal apparatus is sent, and is transmitted to the processing
Device, wherein the watermark configuration information includes location information and binaryzation watermark picture.
The processor is used to receive the monitoring image of the video access interface transmission, obtains each in the monitoring image
Pixel exports the location of pixels coordinate to the position coordinates of the display screen as each pixel.
The processor is for according to the positional information and each location of pixels coordinate is by the binaryzation watermark figure
Piece is loaded onto the monitoring image, thus monitoring image of the output with watermark.
Optionally, it is shown in equipment in above-mentioned monitoring, the watermark configuration information further includes transparence information and gray scale letter
Breath, the processor is also used to the monitoring image carrying out the first color space convert, with the monitoring image after being converted
In each pixel gray value, according to the transparence information, grayscale information, location information, binaryzation watermark picture, each pixel
Position coordinates and each pixel gray value obtain load watermark after monitoring image in each pixel gray value, and according to
Load watermark after monitoring image in each pixel gray value carry out the second color space convert to obtain target monitoring image,
And it controls the display screen and shows the target monitoring image.
Optionally, it is shown in equipment in above-mentioned monitoring, the color space type and the target monitoring of the monitoring image
The color space type of image be RGB type, it is described convert after monitoring image color space type into YUV type.
Optionally, show in equipment that the binaryzation watermark picture is by the binaryzation watermark picture in above-mentioned monitoring
The corresponding binaryzation pixel of each pixel is constituted, and the monitoring display equipment further includes random access memory, and the processor is also used
In when receiving the watermark configuration information of information transmission interface transmission, by the watermark configuration information store to it is described with
Machine memory, wherein each binaryzation pixel deposits in the random storage according to the positional relationship of corresponding each pixel
Device；
The processor is also used to successively obtain the location of pixels of the corresponding each pixel of monitoring image after the conversion
Coordinate, and being matched respectively with the location information in the random access memory, the location of pixels coordinate got with it is described
When location information matching in random access memory, according to the positional relationship of the corresponding each pixel of each binaryzation pixel by institute
Binaryzation watermark picture is stated to be loaded at the corresponding pixel of location of pixels coordinate.
Optionally, it is shown in equipment in above-mentioned monitoring, the information transmission interface is also used to receiving terminal apparatus transmission
Watermark more new information, and the more new information is sent to the processor；
The processor is also used to the watermark configuration information in the random access memory according to the update information update, with
Obtain updated watermark configuration information.
Optionally, show in equipment that the random access memory is integrated in the processor in above-mentioned monitoring.
Optionally, it is shown in equipment in above-mentioned monitoring, the processor is field programmable gate array, the information
Coffret is universal asynchronous receiving-transmitting transmitter.
The present invention also provides a kind of watermark adding methods, show equipment applied to above-mentioned monitoring, which comprises
The watermark configuration information that information transmission interface receiving terminal apparatus is sent, and it is transmitted to processor, wherein the water
Printing configuration information includes location information and binaryzation watermark picture；
The processor receives the monitoring image of video access interface transmission, and it is defeated to obtain each pixel in the monitoring image
Location of pixels coordinate to the position coordinates of the display screen as each pixel out；
The processor is according to the positional information and each location of pixels coordinate adds the binaryzation watermark picture
It is loaded onto the monitoring image, so that output has the monitoring image of watermark.
Optionally, in above-mentioned watermark adding method, the watermark configuration information further includes transparence information and gray scale letter
Breath is executing the processor according to the positional information and each location of pixels coordinate adds the binaryzation watermark picture
Before the step of being loaded onto the monitoring image, the method also includes:
The monitoring image is carried out the first color space convert by the processor, in the monitoring image after being converted
The brightness value of each pixel；
The processor is according to the positional information and each location of pixels coordinate adds the binaryzation watermark picture
The step of being loaded onto the monitoring image include:
The processor is according to the transparence information, grayscale information, location information, binaryzation watermark picture, each pixel
Position coordinates and each pixel gray value obtain the gray value of each pixel in monitoring image after load watermark, and according to load
The gray value of each pixel carries out the second color space convert to obtain target monitoring image in monitoring image after watermark；
The watermark adding method further include:
The processor controls the display screen and shows the target monitoring image.
Optionally, in above-mentioned watermark adding method, the color space type and the target monitoring of the monitoring image
The color space type of image be RGB type, it is described convert after monitoring image color space type into YUV type.
A kind of monitoring provided in an embodiment of the present invention shows equipment and watermark adding method, for loading water to monitoring image
Print, the monitoring show that equipment includes video access interface, information transmission interface, processor and display screen, and the information passes
The watermark configuration information that defeated interface terminal device is sent, and it is transmitted to the processor, the processor is for receiving institute
The monitoring image for stating the transmission of video access interface, obtains each pixel in the monitoring image and exports to the position of the display screen
Location of pixels coordinate of the coordinate as each pixel, the processor is for according to the positional information and each location of pixels
The binaryzation watermark picture is loaded onto the monitoring image by coordinate, thus monitoring image of the output with watermark, by above-mentioned
Setting, which is realized, adds watermark to monitoring image, and staff is facilitated to collect evidence and call to account.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of circuit connection block diagram of monitoring display equipment provided in an embodiment of the present invention.
Fig. 2 is a kind of structure chart of watermark configuration information provided in an embodiment of the present invention.
Fig. 3 is the schematic diagram of a kind of monitoring display equipment and watermark provided in an embodiment of the present invention.
Fig. 4 is a kind of flow diagram of watermark adding method provided in an embodiment of the present invention.
Icon: 100- monitoring display equipment；110- video access interface；120- information transmission interface；130- processor；
140- display screen.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, be the circuit connection block diagram for the monitoring display equipment 100 that present pre-ferred embodiments provide, it is described
Monitoring display equipment 100 is used to load monitoring image watermark, and shows to the monitoring image after load watermark.The prison
Control display equipment 100 includes video access interface 110, information transmission interface 120, processor 130 and display screen 140.
Wherein, watermark can be used for identifying camera site and/or shooting time of the monitoring image etc., for example, described
Watermark can be the corresponding building title of the monitoring image, building attribute or floor etc., be not specifically limited herein.The view
Frequency access interface 110 can be the image shot by camera, be also possible to deposit for receiving monitoring image, the monitoring image
The monitoring image being stored in the memory of the monitoring display equipment 100, is not specifically limited herein.
The video access interface 110 can be but not limited to USB interface, DVI interface, normal video input interface
(RCA), S-video input interface, RS232C serial ports or the port BNC input etc., be not specifically limited herein, according to actual needs into
Row setting.
The information transmission interface 120 is for receiving watermark configuration information, wherein stating information transmission interface 120 can be
But it is not limited to USB interface, serial ports or universal asynchronous coffret.Optionally, in the present embodiment, the information transmission interface
120 be universal asynchronous coffret.
The processor 130 is used to load the monitoring image watermark, and the processor 130 can be a kind of integrated electricity
Road chip, the processing capacity with signal.In the present embodiment, the processor 130 can be central processing unit (Central
Processing Unit, CPU), network processing unit (Network Processor, NP) etc..It can also be Digital Signal Processing
It is device (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components, are chosen according to the actual situation.Optionally, in the present embodiment
In, the processor 130 is field-programmable logic gate array.
The display screen 140 is used to show that the monitoring image after load watermark, the display screen 140 can be but not limited to
CTR display, LCD display or light-emitting diode display, are chosen according to actual needs, are not specifically limited herein.
The monitoring shows each portion of the equipment 100 when loading watermark to monitoring image, in the monitoring display equipment 100
Part specific implementation process is as follows:
The watermark configuration information that 120 receiving terminal apparatus of information transmission interface is sent, and it is transmitted to the processor
130, wherein the watermark configuration information includes location information and binaryzation watermark picture.The processor 130 receives described
The monitoring image that video access interface 110 transmits, obtains each pixel in the monitoring image and exports to the display screen 140
Location of pixels coordinate of the position coordinates as each pixel.The processor 130 is according to the positional information and each pixel
The binaryzation watermark picture is loaded onto the monitoring image by position coordinates, thus monitoring image of the output with watermark.
Wherein, the set point that the location information can be in the binaryzation watermark picture is loaded onto the monitoring figure
As after, the corresponding location of pixels coordinate of the set point.For example, the location information is the vertex in the binaryzation watermark picture
Or center corresponding location of pixels coordinate in the vertex or center after being loaded onto the monitoring image.
By above-mentioned setting, so that the monitoring, which shows that equipment 100 is realized, loads watermark to the monitoring image, this
Outside, by loading watermark to monitoring image so that monitoring of the staff after checking the load watermark that the display equipment is shown
When image, staff is facilitated to collect evidence and call to account according to the watermark information loaded in the monitoring image, for example, can have
It imitates and determines building, floor and shooting time corresponding to monitoring image etc..
The monitoring shows that equipment 100 during realizing to monitoring image load watermark, is accessed by the video
The color space type for the monitoring image that port 110 inputs is RGB type or CMY type, loads watermark to the monitoring image
It needs to make to carry out under color space type YUV type, YIQ type or the HIS type of the monitoring image, and to load watermark
When monitoring image afterwards is shown, the color space type of the monitoring image after the load watermark is RGB type or CMY class
Type.
Watermark is loaded to the monitoring image to realize, optionally, in the present embodiment, the watermark configuration information also wraps
Transparence information and grayscale information are included, the processor 130 is also used to the monitoring image carrying out the first color space convert,
With the gray value of each pixel in the monitoring image after being converted, believed according to the transparence information, grayscale information, position
Breath, binaryzation watermark picture, each location of pixels coordinate and each pixel gray value obtain in the monitoring image after load watermark
The gray value of each pixel, and the second coloration sky is carried out according to the gray value of each pixel in the monitoring image after load watermark
Between conversion to obtain target monitoring image, and control the display screen 140 and show the target monitoring image.Pass through above-mentioned setting
Watermark is loaded to monitoring image effectively to realize.
Wherein, it is sat according to the transparence information, grayscale information, location information, binaryzation watermark picture, each location of pixels
It is marked with and each pixel gray value obtains the gray value of each pixel in the monitoring image after load watermark can be, according to described
Location information, location of pixels coordinate and binaryzation watermark picture obtain each binaryzation pixel in the binaryzation watermark picture
Corresponding location of pixels coordinate, the pixel at the corresponding location of pixels coordinate of each binaryzation pixel, according to the two-value
Change the value of pixel, the pixel gray value of corresponding location of pixels coordinate, the transparence information and grayscale information to be counted
It calculates to obtain the gray value after the load watermark of the pixel.And then obtain each pixel in the monitoring image after load watermark
Gray value.
Optionally, in the present embodiment, the face of the color space type of the monitoring image and the target monitoring image
Colour space type be RGB type, it is described convert after monitoring image color space type into YUV type.
The transparence information indicates the transparency of the watermark printed words after load, and staff can according to need tune
Whole, which can be a global parameter, for example, when the location information is multiple, by binaryzation watermark
When picture is loaded at the corresponding pixel of each position information, which all comes into force to the watermark after all loads.Institute
The gray scale for the binaryzation watermark picture printed words that grayscale information can indicate after load is stated, staff can according to need in black and white
Between be adjusted, which can be a global parameter, for example, when the location information is multiple, by two
When value watermark picture is loaded at the corresponding pixel of each position information, the grayscale information is all raw to the watermark of all loads
Effect.In the present embodiment, the location information is either one or more, when the location information is multiple, institute
Stating watermark configuration information further includes quantity information, and the quantity information is the quantity of the location information.
Optionally, in the present embodiment, the binaryzation watermark picture is by each pixel in the binaryzation watermark picture
Corresponding binaryzation pixel is constituted, and the monitoring shows that equipment 100 further includes random access memory, and the processor 130 is also used to
When receiving the watermark configuration information that the information transmission interface 120 transmits, the watermark configuration information is stored to described
Random access memory, wherein each binaryzation pixel is deposited according to the positional relationship of corresponding each pixel and described deposited at random
Reservoir, for example, each binaryzation pixel is stored in the random access memory in the way of line by line.
Watermark is loaded for convenience of to the monitoring image, the watermark configuration information is arranged according to mode shown in Fig. 3, with
And the processor 130 is transmitted to by information transmission interface 120, and deposit in the random access memory, i.e., by transparency
Information, grayscale information, quantity information, location information and binaryzation watermark picture are set gradually, and the transparence information it
Between be arranged beginning label information, and after the binaryzation watermark picture setting terminate mark information so that the processing
Device 130 calls the watermark configuration information stored in the random access memory when loading to the binaryzation watermark picture.
The processor 130 is also used to successively obtain the pixel position of the corresponding each pixel of monitoring image after the conversion
Coordinate is set, and is matched respectively with the location information in the random access memory, in the location of pixels coordinate and institute got
It, will according to the positional relationship of the corresponding each pixel of each binaryzation pixel when stating the location information matching in random access memory
The binaryzation watermark picture is loaded at the corresponding pixel of location of pixels coordinate.
Wherein, the random access memory, which can be, is separately provided, and is also possible to be integrated in the processor 130.It is optional
, in the present embodiment, the random access memory is integrated in the processor 130.
By taking the location information is the corresponding location of pixels coordinate of top left corner apex of the binaryzation watermark picture as an example
It is illustrated.The monitoring image is carried out the first color space convert by the processor 130, with the original graph after being converted
The gray value of each pixel as in, wherein the color space of the original image after converting is YUV, and the processor 130 is by institute
When stating binaryzation watermark picture and being loaded onto the monitoring image, according to the acquisition that puts in order of each pixel of the monitoring image
The corresponding location of pixels coordinate of each pixel is simultaneously matched with the location information, when the location of pixels coordinate got and position
Set information matches it is consistent when, then be loaded onto the prison according to the positional relationship of each binaryzation pixel in the binaryzation watermark picture
It controls in image at the location of pixels coordinate, and according to transparence information, grayscale information, binaryzation watermark picture and each pixel
Gray value obtain load watermark after each pixel gray value, thus realize to the monitoring image load watermark.
It optionally, is the expense of the storage resource of the saving random access memory, when the location information is multiple, institute
Stating binaryzation watermark picture is one and to be stored in random access memory, and the binaryzation watermark picture is deposited in described to be deposited at random
Each binaryzation pixel when in reservoir in the binaryzation watermark picture is stored in the way of line by line, to monitoring
Image load watermark when, successively monitoring image is progressively scanned, according to progressive scan extract location of pixels coordinate with
Location information maps to obtain binaryzation watermark picture corresponding each two of the binaryzation watermark picture in random access memory when matching
Value pixel, and each binaryzation pixel is loaded onto corresponding location of pixels coordinate.
It should be noted that successively obtaining the binaryzation water from the random access memory when carrying out watermark addition
There is delay compared with successively obtaining the corresponding location of pixels coordinate of each pixel in each binaryzation pixel in impression piece.To keep away
Because of the corresponding pixel of binaryzation watermark picture after being loaded caused by there is delay when exempting to carry out the monitoring image watermark addition
Position coordinates and location information mismatch, and optionally, in the present embodiment, the processor 130 is also used to by using beat
The mode of delay postpones monitoring pixel.
Optionally, in the present embodiment, the information transmission interface 120 is also used to the watermark of receiving terminal apparatus transmission more
New information, and the more new information is sent to the processor 130.
The processor 130 is also used to the watermark in the random access memory according to the update information update with confidence
Breath, to obtain updated watermark configuration information.
Wherein, the watermark more new information can include but is not limited to transparence information, grayscale information or location information etc..
Through above-mentioned setting, when needing to update or configure the watermark configuration information, it is only necessary to be passed by the information
Defeated interface 120 inputs new transparence information, new grayscale information gray scale and new location information, to have no need to change water
When lettering sample size, the transmission of data is effectively reduced to improve efficiency.
On the basis of the above, the present invention also provides a kind of watermark adding method, the watermark adding method is applied to above-mentioned
Monitoring show equipment 100, the watermark adding method realize to monitoring image load watermark when, perform the steps of
Step S110: the watermark configuration information that 120 receiving terminal apparatus of information transmission interface is sent, and it is transmitted to processor
130, wherein the watermark configuration information includes location information and binaryzation watermark picture.
Step S120: the processor 130 receives the monitoring image that video access interface 110 transmits, and obtains the monitoring
Each pixel exports the location of pixels coordinate to the position coordinates of the display screen 140 as each pixel in image.
Step S130: the processor 130 is according to the positional information and each location of pixels coordinate is by the two-value
Change watermark picture and be loaded onto the monitoring image, so that output has the monitoring image of watermark.
Optionally, in the present embodiment, the watermark configuration information further includes transparence information and grayscale information, is being executed
The processor 130 is according to the positional information and the binaryzation watermark picture is loaded onto institute by each location of pixels coordinate
Before the step of stating monitoring image, the method also includes:
The monitoring image is carried out the first color space convert by the processor 130, with the monitoring figure after being converted
The brightness value of each pixel as in；
The processor 130 is according to the positional information and each location of pixels coordinate is by the binaryzation watermark picture
The step of being loaded onto the monitoring image include:
The processor 130 is according to the transparence information, grayscale information, location information, binaryzation watermark picture, each picture
Plain position coordinates and each pixel gray value obtain the gray value of each pixel in monitoring image after load watermark, and according to adding
The gray value of each pixel carries out the second color space convert to obtain target monitoring image in monitoring image after load watermark.
The watermark adding method further include:
The processor 130 controls the display screen 140 and shows the target monitoring image.
Optionally, in the present embodiment, the face of the color space type of the monitoring image and the target monitoring image
Colour space type be RGB type, it is described convert after monitoring image color space type into YUV type.
Optionally, in the present embodiment, the binaryzation watermark picture is by each pixel in the binaryzation watermark picture
Corresponding binaryzation pixel is constituted, and the monitoring shows that equipment 100 further includes random access memory, in execution information coffret
The watermark configuration information that 120 receiving terminal apparatus are sent, and after the step of being transmitted to processor 130, the method also includes:
The processor 130 stores the watermark configuration information to the random access memory, wherein each binaryzation pixel according to
The positional relationship of corresponding each pixel deposits in the random access memory.
The processor 130 is according to the positional information and each location of pixels coordinate is by the binaryzation watermark picture
The step of being loaded onto the monitoring image includes: that the monitoring image that successively obtains after the conversion of the processor 130 is corresponding
The location of pixels coordinate of each pixel, and matched respectively with the location information in the random access memory, what is got
When location of pixels coordinate is matched with the location information in the random access memory, according to the corresponding each picture of each binaryzation pixel
The binaryzation watermark picture is loaded at the corresponding pixel of location of pixels coordinate by the positional relationship of vegetarian refreshments.
Optionally, in the present embodiment, the method also includes:
The watermark more new information that 120 receiving terminal apparatus of information transmission interface is sent, and will the more new information hair
It send to the processor 130.Watermark configuration of the processor 130 in the random access memory according to the update information update
Information, to obtain updated watermark configuration information, so that the processor 130 is according in the updated configuration information
The binaryzation watermark picture is loaded onto described by location information, luminance information, transparence information, each location of pixels coordinate
Monitoring image, thus monitoring image of the output with watermark.
To sum up, a kind of monitoring provided by the invention shows equipment 100 and watermark adding method, for loading to monitoring image
Watermark, the watermark configuration information that 120 receiving terminal apparatus of information transmission interface is sent, and it is transmitted to processor 130, wherein institute
Stating watermark configuration information includes location information and binaryzation watermark picture, and the processor 130 receives video access interface 110
The monitoring image of transmission obtains each pixel in the monitoring image and exports to the position coordinates of the display screen 140 as each
The location of pixels coordinate of pixel, the processor 130 is according to the positional information and each location of pixels coordinate will be described
Binaryzation watermark picture is loaded onto the monitoring image, so that output has the monitoring image of watermark.It is realized by above-mentioned setting
Watermark is added to monitoring image, and facilitates the staff to collect evidence and call to account.
In embodiment provided herein, it should be understood that disclosed device and method, it can also be by other
Mode realize.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing are shown
Architectural framework in the cards, function and the behaviour of devices in accordance with embodiments of the present invention, method and computer program product
Make.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of monitoring shows equipment, which is characterized in that for loading watermark to monitoring image, the monitoring shows that equipment includes
Video access interface, information transmission interface, processor and display screen；
The information transmission interface is used for the watermark configuration information that receiving terminal apparatus is sent, and is transmitted to the processor,
In, the watermark configuration information includes location information and binaryzation watermark picture；
The processor is used to receive the monitoring image of the video access interface transmission, obtains each pixel in the monitoring image
Put location of pixels coordinate of the position coordinates of output to the display screen as each pixel；
The processor is also used to according to the positional information and each location of pixels coordinate is by the binaryzation watermark picture
It is loaded onto the monitoring image, thus monitoring image of the output with watermark.
2. monitoring according to claim 1 shows equipment, which is characterized in that the watermark configuration information further includes transparency
Information and grayscale information, the processor is also used to the monitoring image carrying out the first color space convert, to be converted
The gray value of each pixel in monitoring image afterwards, according to the transparence information, grayscale information, location information, binaryzation water
Impression piece, each location of pixels coordinate and each pixel gray value obtain the ash of each pixel in the monitoring image after load watermark
Angle value, and the second color space convert is carried out to obtain according to the gray value of each pixel in the monitoring image after load watermark
Target monitoring image, and control the display screen and show the target monitoring image.
3. monitoring according to claim 2 shows equipment, which is characterized in that the color space type of the monitoring image and
The color space type of the target monitoring image is RGB type, and the color space type of the monitoring image after the conversion is
YUV type.
4. monitoring according to claim 2 shows equipment, which is characterized in that the binaryzation watermark picture is by the two-value
Change the corresponding binaryzation pixel of each pixel in watermark picture to constitute, the monitoring display equipment further includes random access memory, institute
Processor is stated to be also used to when receiving the watermark configuration information of the information transmission interface transmission, by the watermark configuration information
It stores to the random access memory, wherein each binaryzation pixel is deposited according to the positional relationship of corresponding each pixel
The random access memory；
The processor is also used to successively obtain the location of pixels coordinate of the corresponding each pixel of monitoring image after the conversion,
And matched respectively with the location information in the random access memory, it is deposited at random in the location of pixels coordinate got with described
When location information matching in reservoir, according to the positional relationship of the corresponding each pixel of each binaryzation pixel by the two-value
Change watermark picture to be loaded at the corresponding pixel of location of pixels coordinate.
5. monitoring according to claim 4 shows equipment, which is characterized in that the information transmission interface is also used to receive end
The watermark more new information that end equipment is sent, and the more new information is sent to the processor；
The processor is also used to the watermark configuration information in the random access memory according to the update information update, to obtain
Updated watermark configuration information.
6. monitoring according to claim 4 shows equipment, which is characterized in that the random access memory is integrated in the processing
Device.
7. monitoring described in -6 any one shows equipment according to claim 1, which is characterized in that the processor is that scene can
Programmed logic gate array, the information transmission interface are universal asynchronous receiving-transmitting transmitter.
8. a kind of watermark adding method shows that equipment, feature exist applied to monitoring described in claim 1-7 any one
In, which comprises
The watermark configuration information that information transmission interface receiving terminal apparatus is sent, and it is transmitted to processor, wherein the watermark is matched
Confidence breath includes location information and binaryzation watermark picture；
The processor receives the monitoring image of video access interface transmission, obtain each pixel in the monitoring image export to
Location of pixels coordinate of the position coordinates of the display screen as each pixel；
The processor is according to the positional information and the binaryzation watermark picture is loaded by each location of pixels coordinate
The monitoring image, so that output has the monitoring image of watermark.
9. watermark adding method according to claim 8, which is characterized in that the watermark configuration information further includes transparency
Information and grayscale information are executing the processor according to the positional information and each location of pixels coordinate is by the two-value
Before changing the step of watermark picture is loaded onto the monitoring image, the method also includes:
The monitoring image is carried out the first color space convert by the processor, with each picture in the monitoring image after being converted
The brightness value of vegetarian refreshments；
The processor is according to the positional information and the binaryzation watermark picture is loaded by each location of pixels coordinate
The step of monitoring image includes:
The processor is according to the transparence information, grayscale information, location information, binaryzation watermark picture, each location of pixels
Coordinate and each pixel gray value obtain the gray value of each pixel in monitoring image after load watermark, and according to load watermark
The gray value of each pixel carries out the second color space convert to obtain target monitoring image in monitoring image afterwards；
The watermark adding method further include:
The processor controls the display screen and shows the target monitoring image.
10. watermark adding method according to claim 9, which is characterized in that the color space type of the monitoring image
Color space type with the target monitoring image is RGB type, the color space type of the monitoring image after the conversion
For YUV type.
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