CN106127213A - A kind of portable suction coloured pencil - Google Patents
A kind of portable suction coloured pencil Download PDFInfo
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- CN106127213A CN106127213A CN201610490640.4A CN201610490640A CN106127213A CN 106127213 A CN106127213 A CN 106127213A CN 201610490640 A CN201610490640 A CN 201610490640A CN 106127213 A CN106127213 A CN 106127213A
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- color value
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/56—Extraction of image or video features relating to colour
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of portable suction coloured pencil, including: image capture module: gather the image needing to identify color value object;Calculate and memory module: calculate color value and view data storage;Display and user interface: display image and color value, user interface;Image capture device gathers target object image data and stores, the target area gathered in image is selected by user, equipment calculates the color value of identification object region, the rgb value of target area is shown, including to monochromatic object block and the color value identification of polychrome object block and the identification of strong reflective object color value;The present invention starts with from the method identifying color value and solves single and the identification problem of multiple color, and is identified the color of strong reflective object, provides the portable equipment of a kind of color value identification for artistic design type student and design practitioner.
Description
Technical field
The present invention relates to a kind of Portable acquiring subject image and obtain the method and apparatus of its color value.
Background technology
At present, also not for design practitioner, artistic design type student, or need to learn other people of color value
Group and the portable suction coloured pencil that designs.Traditional method is (such as Adobe Photoshop, CorelDraw, Adobe at design software
Illustrator etc.) in built-in suction color device instrument, color value can be checked;In the past if desired for learning one from reality scene
The numerical value of color, has following method: 1, buy colour atla, then go the color in comparison reality with colour atla, find close color
Obtain this numerical value;2, by taking pictures or the mode such as scanning, this color is converted to picture to be imported on above software, then
Obtain color data by suction color device instrument in software, existing method and apparatus can not realize in reality to all things with
Time draw color instant playback numerical value, thus improve designer's work efficiency.
Summary of the invention
It is an object of the invention to provide a kind of Portable acquiring subject image the method obtaining its color value.
It is a further object of the present invention to provide a kind of portable suction coloured pencil.
To achieve these goals, by the following technical solutions: a kind of Portable acquiring subject image also obtains its color
The method of value specifically includes that user's selection to target area, the identification of target area color value, the knowledge to monochromatic block color value
Not, or to the differentiation of polychrome region unit color value, identification, or the color in the case of strong reflective object and shooting light inequality is known
Not;
Above-mentioned monochromatic block color value is identified as: user selects monochromatic areas, and selected areas is a*b pixel coverage, then should
Region contains ab pixel, the RGB color value of ab pixel in statistical regions, and R, G, B value carries out statistics summation respectively, point
Do not obtain R, G, the summation of B component and maximin, finally try to achieve average and the scope of color component R, G, B, R, G, B is equal
It is worth the color value as this region;
The above-mentioned differentiation to polychrome region unit color value, it is identified as: user selects polychrome region, and selected areas is a*b pixel model
Enclose, then this region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, is carried out R, G, B value respectively
Statistics, carries out zoning section to R, G, B value respectively, regards same similar color as in K threshold range, statistics R, G, B value
All pixels in same threshold range are divided into same color value, and calculate each district according to above-mentioned monochromatic recognition methods
The color value of territory section and value range;
Above-mentioned to the colour recognition in the case of strong reflective object and shooting light inequality: to gather more than two not for target object
It is designated as Image1, Image2, Image3 with the image of angle shot ..., import image, select district corresponding in each image
Territory ab, carries out the division of R, G, B color value area segments, according to above-mentioned polychrome region unit color value respectively to the corresponding region of image
Distinguish, recognition methods calculates each color value, final gets rid of the color value that single image exists, retain Image1, Image2,
The color value in Image3 all there being corresponding region is as the color value of region ab.
A kind of portable suction coloured pencil specifically includes that
Image acquisition and memory module: using sensors such as ccd as image acquisition element, gather the numeral of pre-acquiring color object
Image, and be stored in memory element;
Computing module: read the view data of memory element, obtains image slices vegetarian refreshments according to the selection region of user interface user
Color value, color value is carried out statistical analysis, is calculated the RGB expression value of color value;If selected region is monochromatic
Region can obtain average and the value range of a color, if selected area comprises the visibly different color of two or more, and can root
Calculate according to algorithm and identify color value and color value scope;
Display and subscriber interface module: the image of display screen display collection and color value;User interface is grasping of writing on arm
Making interface, show collection image in interface, image carries out user pixel selection or custom size region unit selects, quilt
The color value in the pixel region chosen can be computed, and shows RGB expression value and the scope of its color value;
Above-mentioned computing module is that the identification of target area color value, to monochromatic block color by user's selection to target area
The identification of value, or to the differentiation of polychrome region unit color value, identification, or to strong reflective object and shooting light inequality in the case of
Colour recognition;
Above-mentioned monochromatic block color value is identified as: user selects monochromatic areas, and selected areas is a*b pixel coverage, then should
Region contains ab pixel, the RGB color value of ab pixel in statistical regions, and R, G, B value carries out statistics summation respectively, point
Do not obtain R, G, the summation of B component and maximin, finally try to achieve average and the scope of color component R, G, B, R, G, B is equal
It is worth the color value as this region;
The above-mentioned differentiation to polychrome region unit color value, it is identified as: user selects polychrome region, and selected areas is a*b pixel model
Enclose, then this region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, is carried out R, G, B value respectively
Statistics, carries out zoning section to R, G, B value respectively, regards same similar color as in K threshold range, statistics R, G, B value
All pixels in same threshold range are divided into same color value, and calculate each district according to above-mentioned monochromatic recognition methods
The color value of territory section and value range;
Above-mentioned to the colour recognition in the case of strong reflective object and shooting light inequality: to gather more than two not for target object
It is designated as Image1, Image2, Image3 with the image of angle shot ..., import image, select district corresponding in each image
Territory ab, carries out the division of R, G, B color value area segments, according to above-mentioned polychrome region unit color value respectively to the corresponding region of image
Distinguish, recognition methods calculates each color value, final gets rid of the color value that single image exists, retain Image1, Image2,
The color value in Image3 all there being corresponding region is as the color value of region ab.
There is advantages that
Color is refined as the representation of numerical value by color value, and degree of refinement is far longer than the degree that human eye can be differentiated, and in this world
The color of all things on earth is the polymerization of the shades of colour of change, eye-observation to the color value of object area block be a change
Scope;For artistic design person and practitioner, it is sometimes desirable to know color value accurately, it is sometimes desirable to know a certain district
The color gamut value in territory;The present invention can carry out accurate description and also can enter the color value of region unit the color value of a pixel
Line description, utilizes the color of change in same K threshold value to be considered as a kind of color region section, represents this color region section by average
Color value, represents the variation effect of this cluster areas section by color value scope;Simultaneously in order to solve strong reflective object and pickup light
Colour recognition in the case of line inequality, utilizes color value computational methods of the present invention can solve strong reflective object and shooting light is uneven
The error that color value identification is brought, it is ensured that the accuracy of color value identification in the case of strong reflective object and shooting light inequality.
Accompanying drawing explanation
Fig. 1: for the structural representation of the present invention.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of Portable acquiring subject image obtain the method and apparatus of its color value, including:
Image acquisition and memory module: the sensor such as ccd is as image acquisition element according to this, gathers the number of pre-acquiring color object
Word image;Using arm system as the hardware device of storage, and preserve the view data that ccd gathers;
Computing module: using arm system as the hardware device calculated, read the view data of memory element, according to user interface
The region that selects of user obtains the color value of image slices vegetarian refreshments, color value is carried out statistical analysis, is calculated the RGB of color value
Expression value;If selected region monochromatic areas can obtain average and the value range of a color, if selected area comprises two
Plant or multiple visibly different color, can calculate, according to algorithm, color value and the color value scope of automatically identifying;
Display and subscriber interface module: the image of display screen display collection and color value;User interface is grasping of writing on arm
Making interface, show collection image in interface, image carries out user pixel selection or custom size region unit selects, quilt
The color value in the pixel region chosen can be computed, and shows RGB expression value and the scope of its color value.
User chooses the block of pixels of a*b size according to demand, and user-selected area is monochromatic areas, identifies monochromatic areas face
Colour, this region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, unites to R, G, B value respectively
Meter summation, respectively obtains R, G, the summation of B component and maximin, finally tries to achieve average and the scope of color component R, G, B,
Using R, G, B average as the color value in this region;Show Color value and scope.
User chooses the block of pixels of a*b size according to demand, and user-selected area is polychrome region, distinguishes, identifies polychrome
Field color value, region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, enters R, G, B value respectively
Row statistics, carries out zoning section to R, G, B value respectively, regards same similar color as in K threshold range, statistics R, G, B
Value all pixels in same threshold range are divided into same color value, and calculate each according to above-mentioned monochromatic recognition methods
The color value of area segments and value range;Show Color value and scope.
User is to strong reflective object or the object color identification in the case of shooting light inequality;For target object collection
The image of more than two different angles shootings is designated as Image1, Image2, Image3 ..., import image, select phase in each figure
Corresponding region ab, carries out the division of R, G, B color value area segments, according to polychrome region unit color respectively to the corresponding region of image
The differentiation of value, recognition methods calculate each color value, final get rid of the color value that single image exists, retain Image1, Image2,
The color value in Image3 all there being corresponding region is as the color value of region ab;Show Color value and scope.
Claims (2)
1. a Portable acquiring subject image the method that obtains its color value, it is characterised in that: include that user is to target area
The selection in territory, the identification of target area color value, the identification to monochromatic block color value, or the differentiation of polychrome region unit color value,
Identify, or to the colour recognition in the case of strong reflective object and shooting light inequality;
Being identified as of described monochromatic block color value: user selects monochromatic areas, and selected areas is a*b pixel coverage, then this district
Territory contains ab pixel, the RGB color value of ab pixel in statistical regions, R, G, B value carries out statistics summation respectively, respectively
Obtain R, G, the summation of B component and maximin, finally try to achieve average and the scope of color component R, G, B, by R, G, B average
Color value as this region;
The described differentiation to polychrome region unit color value, it is identified as: user selects polychrome region, and selected areas is a*b pixel model
Enclose, then this region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, is carried out R, G, B value respectively
Statistics, carries out zoning section to R, G, B value respectively, regards same similar color as in K threshold range, statistics R, G, B value
All pixels in same threshold range are divided into same color value, and calculate each district according to described monochromatic recognition methods
The color value of territory section and value range;
Described to the colour recognition in the case of strong reflective object and shooting light inequality: to gather more than two not for target object
It is designated as Image1, Image2, Image3 with the image of angle shot ..., import image, select district corresponding in each image
Territory ab, carries out the division of R, G, B color value area segments, according to described polychrome region unit color value respectively to the corresponding region of image
Distinguish, recognition methods calculates each color value, final gets rid of the color value that single image exists, retain Image1, Image2,
The color value in Image3 all there being corresponding region is as the color value of region ab.
2. a portable suction coloured pencil, including: image acquisition and memory module, computing module, display and subscriber interface module, its
It is characterised by: described computing module is that the color value of identification object region, to monochromatic block by user's selection to target area
The identification of color value and the Division identification of polychrome region unit color value, to the face in the case of strong reflective object and shooting light inequality
Colour discrimination;
Being identified as of described monochromatic block color value: user selects monochromatic areas, and selected areas is a*b pixel coverage, then this district
Territory contains ab pixel, the RGB color value of ab pixel in statistical regions, R, G, B value carries out statistics summation respectively, respectively
Obtain R, G, the summation of B component and maximin, finally try to achieve average and the scope of color component R, G, B, by R, G, B average
Color value as this region;
The described differentiation to polychrome region unit color value, it is identified as: user selects polychrome region, and selected areas is a*b pixel model
Enclose, then this region contains ab pixel, and in statistical regions, R, G, B color value of ab pixel, is carried out R, G, B value respectively
Statistics, carries out zoning section to R, G, B value respectively, regards same similar color as in K threshold range, statistics R, G, B value
All pixels in same threshold range are divided into same color value, and calculate each district according to described monochromatic recognition methods
The color value of territory section and value range;
Described to the colour recognition in the case of strong reflective object and shooting light inequality: to gather more than two not for target object
It is designated as Image1, Image2, Image3 with the image of angle shot ..., import image, select district corresponding in each image
Territory ab, carries out the division of R, G, B color value area segments, according to described polychrome region unit color value respectively to the corresponding region of image
Distinguish, recognition methods calculates each color value, final gets rid of the color value that single image exists, retain Image1, Image2,
The color value in Image3 all there being corresponding region is as the color value of region ab.
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CN201610490640.4A CN106127213A (en) | 2016-06-29 | 2016-06-29 | A kind of portable suction coloured pencil |
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CN201610490640.4A CN106127213A (en) | 2016-06-29 | 2016-06-29 | A kind of portable suction coloured pencil |
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CN201610490640.4A Pending CN106127213A (en) | 2016-06-29 | 2016-06-29 | A kind of portable suction coloured pencil |
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Cited By (1)
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CN108124140A (en) * | 2017-12-05 | 2018-06-05 | 广东小天才科技有限公司 | Color pickup method and device, electronic brush and storage medium |
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