CN106485666A - A kind of information indicating method and apparatus - Google Patents
A kind of information indicating method and apparatus Download PDFInfo
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- CN106485666A CN106485666A CN201510549934.5A CN201510549934A CN106485666A CN 106485666 A CN106485666 A CN 106485666A CN 201510549934 A CN201510549934 A CN 201510549934A CN 106485666 A CN106485666 A CN 106485666A
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Abstract
Embodiments provide a kind of information indicating and device.The information indicating method, including：Color value to pixel in image background regions is filtered, and removes the color value of noise pixel point；Calculated according to the color value of the pixel after filtering, obtained marker color；Auxiliary information in described image is shown using the marker color.The embodiment of the present invention passed through before the marker color of auxiliary information is calculated, color value to pixel in image background regions is filtered, remove the color value of noise pixel point, avoid the interference of noise spot, and inverse is obtained by calculating color average, and using inverse as the marker color for indicating auxiliary information, so as to obtain the marker color larger with image background color distinction.No matter which kind of color is screen background be to the method, can substantially, clearly indicate auxiliary information, solve the problems, such as auxiliary information because font or graphic color be not substantially submerged in background color, improve visual effect.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to a kind of information indicating method and a kind of letter
Breath indication device.
Background technology
Infrared optics instrument due to its can not by externally radiation just can with target of investication, by
It is widely used in military field.But traditional infrared optics instrument is only capable of assuming relatively single infrared figure
Picture, is to increase other auxiliary informations, need to merge other information, so as to can be clearly on imaging picture
Enemy's target is distinguished, and some parameters and information warning of enemy's target etc. can be shown.
Existing infrared display interface needs and digital screen fusion, that is to say, that same one is infrared aobvious
Display screen, should show that a distant place distributes the target image of infrared-ray because of self-heating, show again some
Auxiliary information, such as auxiliary observation personnel carry out the function word of target identification etc. or figure.
In order to clearly indicate these auxiliary informations, conventional method is the background face for calculating infrared image
The mean value of the color of color and the limited several pixels that has chosen, then with the corresponding color of the mean value
Inverse indicating auxiliary information.However, often obtain undesirable inverse in the method,
Cause font or the graphic color of auxiliary information unobvious, be easily submerged among background color.
Therefore, a technical problem for needing those skilled in the art urgently to solve at present is exactly：How
Auxiliary information is significantly indicated.
Content of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of information indicating method, can be significantly
Auxiliary information is indicated, improves visual effect.
Accordingly, the embodiment of the present invention additionally provides a kind of information marking device, in order to ensure said method
Realization and application.
In order to solve the above problems, the invention discloses a kind of information indicating method, including：
Color value to pixel in image background regions is filtered, and removes the color of noise pixel point
Value；
Calculated according to the color value of the pixel after filtering, obtained marker color；
Auxiliary information in described image is shown using the marker color.
Further, before the color value to pixel in image background regions is filtered, also wrap
Include：
The viewing area of auxiliary information is divided in described image background area；
The color value to pixel in image background regions is filtered, and removes the face of noise pixel point
Colour, including：
Color value to pixel in the viewing area is filtered, and removes the color of noise pixel point
Value.
Further, the color value to pixel in image background regions is filtered, and removes noise picture
The color value of vegetarian refreshments, including：
Color value to pixel in image background regions carries out low-pass filtering treatment, removes noise pixel point
Color value.
Further, the color value of the pixel according to after filtering is calculated, and obtains marker color,
Including：
Color value average is calculated according to the color value of the pixel after filtration；
The inverse of the color value average corresponding color is taken as marker color.
Further, the color value of the pixel according to after filtration calculates color value average, including：
The mean value of the color value of the pixel after all filtration is calculated, as the color value average.
The embodiment of the invention also discloses a kind of information marking device, including：
Filter element, for filtering to the color value of pixel in image background regions, removes noise
The color value of pixel；
Computing unit, for being calculated according to the color value of the pixel after filtering, obtains marker color；
Unit is indicated, for showing the auxiliary information in described image using the marker color.
Further, described device also includes：
Area division unit, for dividing the viewing area of auxiliary information in described image background area；
The filter element, specifically for filtering to the color value of pixel in the viewing area,
Remove the color value of noise pixel point.
Further, the filter element, specifically for entering to the color value of pixel in image background regions
Row low-pass filtering treatment, removes the color value of noise pixel point.
Further, the computing unit includes：
Computation subunit, for calculating color value average according to the color value of the pixel after filtration；
Determination subelement, for taking the inverse of the color value average corresponding color as marker color.
Further, the computation subunit, specifically for calculating the color value of the pixel after all filtration
Mean value, as the color value average.
Compared with prior art, the embodiment of the present invention includes advantages below：
The embodiment of the present invention passes through before the marker color of auxiliary information is calculated, in image background regions
The color value of pixel is filtered, and removes the color value of noise pixel point, it is to avoid the interference of noise spot,
And inverse is obtained by calculating color average, and using inverse as the marker color for indicating auxiliary information, from
And obtain the marker color larger with image background color distinction.No matter which kind of screen background is to the method
Color, can substantially, clearly indicate auxiliary information, solve auxiliary information because font or figure
Shape color is not substantially submerged in the problem in background color, improves visual effect.
Description of the drawings
The step of Fig. 1 is a kind of information indicating embodiment of the method for present invention flow chart；
The step of Fig. 2 is another kind of information indicating embodiment of the method for present invention flow chart；
Fig. 3 is that a kind of of the present invention calculates the step of obtaining marker color embodiment of the method flow chart；
Fig. 4 is a kind of structured flowchart of information marking device embodiment of the present invention；
Fig. 5 is the structured flowchart of another kind of information marking device embodiment of the present invention；
Fig. 6 is a kind of structured flowchart of computing unit embodiment of the present invention.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The present invention is further detailed explanation with specific embodiment.
With reference to Fig. 1, show the present invention a kind of information indicating embodiment of the method the step of flow chart, tool
Body may include steps of：
Step 101, the color value to pixel in image background regions are filtered, and remove noise pixel
The color value of point.
In the embodiment of the present invention, the device (the hereinafter referred to as device) for beacon information can be infrared
Image processing module in optical instrument；Device outside can also be independently of infrared optics instrument, should
Device can be interacted with infrared optics instrument.
The background color of the infrared image obtained by infrared optics instrument is usually the color values such as aterrimus relatively
Low color.Inventor's research discovery, the existing calculating background color of infrared image and having for having chosen
The mean value of the color of several pixels is limited, then auxiliary to indicate with the inverse of the corresponding color of the mean value
Why the mode of supplementary information, often obtain undesirable inverse, cause the font of auxiliary information
Or graphic color is not obvious, easily it is submerged among background color, is because holding in the background color of image
Easily there is the higher noise spot of color value, if the color value of these noise spots is counted, try to achieve
The mean value of color is of a relatively high, the color value of its inverse is relatively low, relatively infrared image
Background color, therefore, the color for being easily caused sign auxiliary information is not obvious.
In embodiments of the present invention, after infrared optics instrument obtains monitoring image, the device is first to this
The color value of each pixel in the background area of image is filtered, and removes the color of noise pixel point
Value.The process can carry out low pass using low pass filter to the color value of pixel in image background regions
Filtering process.
Step 102, is calculated according to the color value of the pixel after filtering, is obtained marker color.
After the color value to noise pixel point is filtered, then the picture to the image background regions after filtration
The color value of vegetarian refreshments is calculated, and obtains marker color.
Wherein, the computational methods can first obtain color average and then negate color as marker color, also may be used
So that the inverse of each pixel color value is first taken, the modes such as average are then calculated.The calculation of average is permissible
Using mean value calculation, it is also possible to which the mode for giving different weights to different colours value is calculated.Please specifically join
See the description of subsequent embodiment.
Step 103, shows the auxiliary information in described image using marker color.
After marker color is obtained, you can using the auxiliary information in the marker color display image.This is auxiliary
Supplementary information can be that auxiliary observation personnel carry out target identification or remind the function word of observer
Or figure etc..
The embodiment of the present invention passes through before the marker color of auxiliary information is calculated, in image background regions
The color value of pixel is filtered, and removes the color value of noise pixel point, it is to avoid the interference of noise spot,
And inverse is obtained by calculating color average, and using inverse as the marker color for indicating auxiliary information, from
And obtain the marker color larger with image background color distinction.No matter which kind of screen background is to the method
Color, can substantially, clearly indicate auxiliary information, solve auxiliary information because font or figure
Shape color is not substantially submerged in the problem in background color, improves visual effect.
With reference to Fig. 2, show the present invention another kind of information indicating embodiment of the method the step of flow chart,
Specifically may include steps of：
Step 201, divides the viewing area of auxiliary information in image background regions.
In the present embodiment, on the one hand in order to reduce the amount of calculation for obtaining marker color, on the other hand also it is
Reduce interference, can be before noise pixel point be removed, the background area first to infrared image carries out
Divide, i.e., the viewing area for showing auxiliary information is marked off in image background regions.
The division of the viewing area can be according to pre-conditioned division, can preset whole image
The a certain position of viewing area, shape and size etc., for example, by the lower section of whole image background area or
The rectangle on right side or border circular areas are used as the viewing area of auxiliary information, the area of the viewing area or size
Set according to the number of auxiliary information amount.
Step 202, the color value to pixel in viewing area are filtered, and remove noise pixel point
Color value.
Behind the viewing area for obtaining auxiliary information, this step can be only to the pixel in the viewing area
Color value filtered, remove noise pixel point color value.The filter method can also adopt low pass
The mode of filtering.Specifically can be similar with abovementioned steps 101.
Step 203, is calculated according to the color value of the pixel after filtering, is obtained marker color.
Step 204, using the auxiliary information in marker color display image.
Above-mentioned steps 203～204 are similar with step 102～103 in previous embodiment, and here is omitted.
The present embodiment passes through to delimit the viewing area of auxiliary information before the color value of noise pixel point is removed
Domain, then removes noise pixel point in the viewing area and calculates marker color, on the one hand reduce and obtain
The amount of calculation of marker color is obtained, the image background on the other hand decreasing other regions is issuable dry
Disturb, auxiliary information is indicated such that it is able to faster obtain more accurate, obvious marker color.
In another embodiment of the invention, as shown in figure 3, according to filter after pixel color value
Carry out the process for obtaining marker color is calculated, can include：
Step 301, calculates color value average according to the color value of the pixel after filtration.
In this step, the mean value of the color value of the pixel after all filtration can be calculated, as color
Value average.The color value of the pixel after filtration can also be carried out drawing according to default each color value scope
Point, and according to the corresponding power of the color value of each pixel of how many divisions of pixel in the range of different colours value
Weight, the weighted value more than pixel are big, then calculate the color value of each pixel and the product of its weight and,
Divided by the sum of weight, color value average is calculated.
Step 302, takes the inverse of color value average corresponding color as marker color.
The present embodiment can be quick by the method for statistical average and accurately obtain the mark of auxiliary information
Show color.
It should be noted that for embodiment of the method, in order to be briefly described, therefore which is all expressed as one it is
The combination of actions of row, but those skilled in the art should know, and the embodiment of the present invention is not by described
Sequence of movement restriction because according to the embodiment of the present invention, some steps can using other orders or
Person is carried out simultaneously.Secondly, those skilled in the art should also know, embodiment described in this description
Preferred embodiment is belonged to, necessary to the involved action not necessarily embodiment of the present invention.
With reference to Fig. 4, a kind of structured flowchart of information marking device embodiment of the present invention is shown, specifically may be used
To include as lower unit：
Filter element 401, for filtering to the color value of pixel in image background regions, removes
The color value of noise pixel point.
Computing unit 402, for being calculated according to the color value of the pixel after filtering, obtains and indicates
Color.
Unit 403 is indicated, for showing the auxiliary information in described image using the marker color.
The device passed through said units before the marker color of auxiliary information is calculated, to image background regions
The color value of interior pixel is filtered, and removes the color value of noise pixel point, it is to avoid noise spot dry
Disturb, and inverse is obtained by calculating color average, and using inverse as the marker color for indicating auxiliary information,
So as to obtain the marker color larger with image background color distinction.No matter what screen background is to the device
Kind of color, can substantially, clearly indicate auxiliary information, solve auxiliary information because font or
Graphic color is not substantially submerged in the problem in background color, improves visual effect.
In another embodiment, as shown in figure 5, the device can also include：
Area division unit 501, for dividing the viewing area of auxiliary information in described image background area
Domain.
Wherein, filter element 401, specifically for carrying out to the color value of pixel in the viewing area
Filter, remove the color value of noise pixel point.
The device delimited auxiliary letter by area division unit before the color value of noise pixel point is removed
The viewing area of breath, then filter element removes noise pixel point in the viewing area and calculating indicates face
Color, on the one hand reduces the amount of calculation for obtaining marker color, on the other hand decreases the figure in other regions
As the issuable interference of background, such that it is able to faster obtain more accurate, obvious marker color
To indicate auxiliary information.
Above-mentioned filter element 401, specifically can be used for entering the color value of pixel in image background regions
Row low-pass filtering treatment, removes the color value of noise pixel point.
In another embodiment, as shown in fig. 6, computing unit 402 may further include：
Computation subunit 601, for calculating color value average according to the color value of the pixel after filtration.
Determination subelement 602, for taking the inverse of the color value average corresponding color as marker color.
Wherein, computation subunit 601, the color of the pixel after specifically can be used for calculating all filtration
The mean value of value, used as the color value average.
The computing unit can be quick by the method for statistical average and accurately obtain auxiliary information
Marker color.
For device embodiment, due to itself and embodiment of the method basic simlarity, so the comparison of description
Simply, related part is illustrated referring to the part of embodiment of the method.
Each embodiment in this specification is all described by the way of going forward one by one, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar part mutually referring to
?.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, dress
Put or computer program.Therefore, the embodiment of the present invention can using complete hardware embodiment, completely
Software implementation or with reference to software and hardware in terms of embodiment form.And, the embodiment of the present invention
Can adopt and can be situated between with storage in one or more computers for wherein including computer usable program code
The upper computer journey that implements of matter (including but not limited to magnetic disc store, CD-ROM, optical memory etc.)
The form of sequence product.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and to count
The flow chart of calculation machine program product and/or block diagram are describing.It should be understood that can be by computer program instructions
Each flow process and/or square frame and flow chart and/or square frame in flowchart and/or block diagram
The flow process of in figure and/or the combination of square frame.Can provide these computer program instructions to all-purpose computer,
The processor of special-purpose computer, Embedded Processor or other programmable data processing terminal equipments is to produce
One machine so that by the computing device of computer or other programmable data processing terminal equipments
Instruction produce for realizing in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The device of the function of specifying in multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process
In the computer-readable memory that terminal device is worked in a specific way so that be stored in the computer-readable
Instruction in memory is produced and includes the manufacture of command device, and the command device is realized in flow chart one
The function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions can also be loaded into computer or other programmable data processing terminals set
Standby upper so as to execute series of operation steps on computer or other programmable terminal equipments in terms of producing
The process that calculation machine is realized, the instruction so as to execute on computer or other programmable terminal equipments provide use
In realization in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
The step of function of specifying.
The preferred embodiment of the embodiment of the present invention is although had been described for, but those skilled in the art are once
Basic creative concept is known, then other change and modification can be made to these embodiments.So,
Claims are intended to be construed to include preferred embodiment and fall into the institute of range of embodiment of the invention
Have altered and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms
Be used merely to an entity or operation is made a distinction with another entity or operation, and not necessarily require
Or imply between these entities or operation, there is any this actual relation or order.And, art
Language " including ", "comprising" or its any other variant are intended to including for nonexcludability, so that
A series of process, method, article or terminal device including key elements not only includes those key elements, and
Also include other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's terminal device.In the absence of more restrictions, by sentence " including one
Individual ... " key element that limits, it is not excluded that at the process, method, article or the end that include the key element
Also there is other identical element in end equipment.
Above to a kind of information indicating method provided by the present invention and a kind of information marking device, carry out
It is discussed in detail, specific case used herein is set forth to the principle of the present invention and embodiment,
The explanation of above example is only intended to help and understands the method for the present invention and its core concept；Meanwhile, right
In one of ordinary skill in the art, according to the thought of the present invention, in specific embodiment and range of application
On all will change, in sum, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of information indicating method, it is characterised in that include：
Color value to pixel in image background regions is filtered, and removes the color of noise pixel point
Value；
Calculated according to the color value of the pixel after filtering, obtained marker color；
Auxiliary information in described image is shown using the marker color.
2. method according to claim 1, it is characterised in that described to image background regions
Before the color value of interior pixel is filtered, also include：
The viewing area of auxiliary information is divided in described image background area；
The color value to pixel in image background regions is filtered, and removes the face of noise pixel point
Colour, including：
Color value to pixel in the viewing area is filtered, and removes the color of noise pixel point
Value.
3. method according to claim 1 and 2, it is characterised in that described to image background area
In domain, the color value of pixel is filtered, and removes the color value of noise pixel point, including：
Color value to pixel in image background regions carries out low-pass filtering treatment, removes noise pixel point
Color value.
4. method according to claim 1 and 2, it is characterised in that described according to filtering after
The color value of pixel is calculated, and obtains marker color, including：
Color value average is calculated according to the color value of the pixel after filtration；
The inverse of the color value average corresponding color is taken as marker color.
5. method according to claim 4, it is characterised in that the pixel according to after filtration
The color value of point calculates color value average, including：
The mean value of the color value of the pixel after all filtration is calculated, as the color value average.
6. a kind of information marking device, it is characterised in that include：
Filter element, for filtering to the color value of pixel in image background regions, removes noise
The color value of pixel；
Computing unit, for being calculated according to the color value of the pixel after filtering, obtains marker color；
Unit is indicated, for showing the auxiliary information in described image using the marker color.
7. device according to claim 6, it is characterised in that described device also includes：
Area division unit, for dividing the viewing area of auxiliary information in described image background area；
The filter element, specifically for filtering to the color value of pixel in the viewing area,
Remove the color value of noise pixel point.
8. the device according to claim 6 or 7, it is characterised in that
The filter element, specifically for carrying out low pass filtered to the color value of pixel in image background regions
Ripple is processed, and removes the color value of noise pixel point.
9. the device according to claim 6 or 7, it is characterised in that the computing unit includes：
Computation subunit, for calculating color value average according to the color value of the pixel after filtration；
Determination subelement, for taking the inverse of the color value average corresponding color as marker color.
10. device according to claim 9, it is characterised in that
The computation subunit, specifically for calculate all filter after pixel color value average
Value, used as the color value average.
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