CN107204019B - Method for generating processing code according to photo - Google Patents
Method for generating processing code according to photo Download PDFInfo
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- CN107204019B CN107204019B CN201710400665.5A CN201710400665A CN107204019B CN 107204019 B CN107204019 B CN 107204019B CN 201710400665 A CN201710400665 A CN 201710400665A CN 107204019 B CN107204019 B CN 107204019B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/20—Contour coding, e.g. using detection of edges
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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Abstract
The invention provides a method for generating a processing code according to a photo, which comprises the following steps: acquiring an image: acquiring an image of an artwork design drawing through image acquisition equipment; collecting a curve: extracting a processing boundary curve from an image of an artwork design drawing; generating a path: fitting and calculating according to the machining boundary curve to obtain a machining path; and fourthly, merging the codes: calculating according to the machining path to obtain a machining operation code; and code encapsulation: and packaging the processing operation code into a file. The invention can effectively realize automatic generation of the operation codes according to the design drawing images through the steps of collecting curves, generating paths, combining codes and the like.
Description
Technical Field
The invention relates to a method for generating a machining code from a photo.
Background
For the design of the self-designed cinnabar artware, after the design is generally finished, the cinnabar artware can only be processed step by referring to a drawing by a special technician, and an operation code for automatic processing cannot be directly generated.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method for generating a processing code according to a photo, and the method for generating the processing code according to the photo can effectively realize automatic generation of an operation code according to a design drawing image through steps of collecting a curve, generating a path, combining codes and the like.
The invention is realized by the following technical scheme.
The invention provides a method for generating a processing code according to a photo, which comprises the following steps:
acquiring an image: acquiring an image of an artwork design drawing through image acquisition equipment;
collecting a curve: extracting a processing boundary curve from an image of an artwork design drawing;
generating a path: fitting and calculating according to the machining boundary curve to obtain a machining path;
and fourthly, merging the codes: calculating according to the machining path to obtain a machining operation code;
and code encapsulation: and packaging the processing operation code into a file.
The step II comprises the following steps:
(2.1), image input: acquiring a cinnabar artwork design drawing from the transmitted parameters in a function calling mode from the system;
(2.2) removing background: converting the background pure color grids in the design drawing into colorless color grids or white color grids;
(2.3), black and white treatment: carrying out black-white processing on the acquired design drawing;
(2.4) extracting sidelines: extracting a product side line in the design drawing under the condition that the color lattice is non-empty or non-zero;
(2.5) generating a curve: and smoothing the obtained product side line to obtain a processing operation curve, and returning the obtained processing operation curve.
The third step includes the following steps:
(3.1) obtaining a curve: acquiring a curve path to be processed from an incoming parameter in a function calling mode from a system;
(3.2) curve decoding: projecting a curve path to be processed into a plane coordinate system, and decoding the curve path into a coordinate point set of the plane coordinate system in sequence;
(3.3) curve segmentation: dividing the set of coordinate points into a plurality of coordinate subsets based on differences between adjacent coordinate points;
(3.4), generating section by section: performing linear fitting on each coordinate subset to obtain a plurality of fitting curves;
(3.5), synthetic route: and arranging the fitted curves into a processing curve path set in sequence, and returning data by taking the processing curve path set as a function.
The step IV comprises the following steps:
(4.1), obtaining a path: acquiring a processing curve path set from an incoming parameter in a function calling mode from a system;
(4.2) slope calculation: calculating the slope of each curve connecting position in the processing curve path set to form a slope set;
(4.3) judging the segments: judging the possibility of the processing scheme for each curve in the processing curve path set, and selecting the processing scheme with the highest possibility calculation result as a selected scheme;
(4.4) stepwise synthesis: calculating a handover scheme according to each two adjacent selected schemes and a slope calculation result corresponding to the slope set;
(4.5) generating a code: and generating an operation code corresponding to the selected scheme and the handover scheme, and returning the operation code.
The step (3.3) comprises the following steps:
(3.3.1) reading a difference value set value from the parameter table, and setting the first coordinate point as a current coordinate point;
(3.3.2) calculating a coordinate difference value between the current coordinate point and the next coordinate point until no next coordinate point exists in the coordinate point set;
(3.3.3) calculating the difference value between each coordinate difference value and the next coordinate difference value, and if the calculated difference value is greater than the difference value set value, marking the current coordinate point corresponding to the coordinate difference value as a breakpoint;
(3.3.4) taking the next coordinate point as the current coordinate point, returning to the step (3.3.2), and entering the next step if the next coordinate point does not exist in the coordinate point set;
and (3.3.5) adding all coordinate points between the starting point and the ending point into a first coordinate subset by taking the first coordinate point as the starting point and the breakpoint as the ending point, then taking the next coordinate point of each breakpoint as the starting point and taking the breakpoint or the last coordinate point as the ending point, and respectively adding all coordinate points between each segment of the starting point and the ending point into the coordinate subsets in sequence. .
The step (4.4) of calculating the handover scheme includes the steps of:
(4.4.1) taking the adjacent end points of the two adjacent curves as handover end points;
(4.4.2) taking points between the connection end points on the traversal slope straight line by an approximation method, so that the arc lines determined by the connection end points and the three points of the points can be tangent to the two adjacent curves;
and (4.4.3) taking an arc line as a processing operation path, and taking the processing tool in the selected scheme to pass through the processing operation path twice respectively as a handover scheme. .
The steps I to fifthly are realized by independent chips respectively.
The slope straight line is a linear function taking the slope calculation result as a proportionality coefficient.
The image of the artwork design drawing acquired in the step I is an RGB pixel map with the bottom color being a pure color background.
The invention has the beneficial effects that: by the steps of collecting curves, generating paths, combining codes and the like, the automatic generation of operation codes according to the images of the design drawing can be effectively realized.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A method for generating a finishing code from a photograph as shown in fig. 1, comprising the steps of:
acquiring an image: acquiring an image of an artwork design drawing through image acquisition equipment;
collecting a curve: extracting a processing boundary curve from an image of an artwork design drawing;
generating a path: fitting and calculating according to the machining boundary curve to obtain a machining path;
and fourthly, merging the codes: calculating according to the machining path to obtain a machining operation code;
and code encapsulation: and packaging the processing operation code into a file.
The step II comprises the following steps:
(2.1), image input: acquiring a cinnabar artwork design drawing from the transmitted parameters in a function calling mode from the system;
(2.2) removing background: converting the background pure color grids in the design drawing into colorless color grids or white color grids;
(2.3), black and white treatment: carrying out black-white processing on the acquired design drawing;
(2.4) extracting sidelines: extracting a product side line in the design drawing under the condition that the color lattice is non-empty or non-zero;
(2.5) generating a curve: and smoothing the obtained product side line to obtain a processing operation curve, and returning the obtained processing operation curve.
The third step includes the following steps:
(3.1) obtaining a curve: acquiring a curve path to be processed from an incoming parameter in a function calling mode from a system;
(3.2) curve decoding: projecting a curve path to be processed into a plane coordinate system, and decoding the curve path into a coordinate point set of the plane coordinate system in sequence;
(3.3) curve segmentation: dividing the set of coordinate points into a plurality of coordinate subsets based on differences between adjacent coordinate points;
(3.4), generating section by section: performing linear fitting on each coordinate subset to obtain a plurality of fitting curves;
(3.5), synthetic route: and arranging the fitted curves into a processing curve path set in sequence, and returning data by taking the processing curve path set as a function.
The step IV comprises the following steps:
(4.1), obtaining a path: acquiring a processing curve path set from an incoming parameter in a function calling mode from a system;
(4.2) slope calculation: calculating the slope of each curve connecting position in the processing curve path set to form a slope set;
(4.3) judging the segments: judging the possibility of the processing scheme for each curve in the processing curve path set, and selecting the processing scheme with the highest possibility calculation result as a selected scheme;
(4.4) stepwise synthesis: calculating a handover scheme according to each two adjacent selected schemes and a slope calculation result corresponding to the slope set;
(4.5) generating a code: and generating an operation code corresponding to the selected scheme and the handover scheme, and returning the operation code.
The step (3.3) comprises the following steps:
(3.3.1) reading a difference value set value from the parameter table, and setting the first coordinate point as a current coordinate point;
(3.3.2) calculating a coordinate difference value between the current coordinate point and the next coordinate point until no next coordinate point exists in the coordinate point set;
(3.3.3) calculating the difference value between each coordinate difference value and the next coordinate difference value, and if the calculated difference value is greater than the difference value set value, marking the current coordinate point corresponding to the coordinate difference value as a breakpoint;
(3.3.4) taking the next coordinate point as the current coordinate point, returning to the step (3.3.2), and entering the next step if the next coordinate point does not exist in the coordinate point set;
and (3.3.5) adding all coordinate points between the starting point and the ending point into a first coordinate subset by taking the first coordinate point as the starting point and the breakpoint as the ending point, then taking the next coordinate point of each breakpoint as the starting point and taking the breakpoint or the last coordinate point as the ending point, and respectively adding all coordinate points between each segment of the starting point and the ending point into the coordinate subsets in sequence. .
The step (4.4) of calculating the handover scheme includes the steps of:
(4.4.1) taking the adjacent end points of the two adjacent curves as handover end points;
(4.4.2) taking points between the connection end points on the traversal slope straight line by an approximation method, so that the arc lines determined by the connection end points and the three points of the points can be tangent to the two adjacent curves;
and (4.4.3) taking an arc line as a processing operation path, and taking the processing tool in the selected scheme to pass through the processing operation path twice respectively as a handover scheme. .
The steps I to fifthly are realized by independent chips respectively.
The slope straight line is a linear function taking the slope calculation result as a proportionality coefficient.
The image of the artwork design drawing acquired in the step I is an RGB pixel map with the bottom color being a pure color background.
Therefore, as long as the artwork designer aims the design drawing at the image acquisition equipment, the system can obtain the corresponding artwork processing operation scheme by adopting the method provided by the invention, and the processing operation scheme is a file, so that the artwork processing operation scheme is convenient to store and implement for multiple times.
Claims (6)
1. A method of generating a tooling code from a photograph, comprising: the method comprises the following steps:
acquiring an image: acquiring an image of an artwork design drawing through image acquisition equipment;
collecting a curve: extracting a processing boundary curve from an image of an artwork design drawing;
generating a path: fitting and calculating according to the machining boundary curve to obtain a machining path;
and fourthly, merging the codes: calculating according to the machining path to obtain a machining operation code;
and code encapsulation: packaging the processing operation code into a file;
the step II comprises the following steps:
(2.1), image input: acquiring a cinnabar artwork design drawing from the transmitted parameters in a function calling mode from the system;
(2.2) removing background: converting the background pure color grids in the design drawing into colorless color grids or white color grids;
(2.3), black and white treatment: carrying out black-white processing on the acquired design drawing;
(2.4) extracting sidelines: extracting a product side line in the design drawing under the condition that the color lattice is non-empty or non-zero;
(2.5) generating a curve: smoothing the obtained product side line to obtain a processing operation curve, and returning the obtained processing operation curve;
the third step includes the following steps:
(3.1) obtaining a curve: acquiring a curve path to be processed from an incoming parameter in a function calling mode from a system;
(3.2) curve decoding: projecting a curve path to be processed into a plane coordinate system, and decoding the curve path into a coordinate point set of the plane coordinate system in sequence;
(3.3) curve segmentation: dividing the set of coordinate points into a plurality of coordinate subsets based on differences between adjacent coordinate points;
(3.4), generating section by section: performing linear fitting on each coordinate subset to obtain a plurality of fitting curves;
(3.5), synthetic route: arranging the fitted curves into a processing curve path set in sequence, and taking the processing curve path set as a function to return data;
the step IV comprises the following steps:
(4.1), obtaining a path: acquiring a processing curve path set from an incoming parameter in a function calling mode from a system;
(4.2) slope calculation: calculating the slope of each curve connecting position in the processing curve path set to form a slope set;
(4.3) judging the segments: judging the possibility of the processing scheme for each curve in the processing curve path set, and selecting the processing scheme with the highest possibility calculation result as a selected scheme;
(4.4) stepwise synthesis: calculating a handover scheme according to each two adjacent selected schemes and a slope calculation result corresponding to the slope set;
(4.5) generating a code: and generating an operation code corresponding to the selected scheme and the handover scheme, and returning the operation code.
2. A method of generating an elaboration code on the basis of photographs according to claim 1, characterized in that: the step (3.3) comprises the following steps:
(3.3.1) reading a difference value set value from the parameter table, and setting the first coordinate point as a current coordinate point;
(3.3.2) calculating a coordinate difference value between the current coordinate point and the next coordinate point until no next coordinate point exists in the coordinate point set;
(3.3.3) calculating the difference value between each coordinate difference value and the next coordinate difference value, and if the calculated difference value is greater than the difference value set value, marking the current coordinate point corresponding to the coordinate difference value as a breakpoint;
(3.3.4) taking the next coordinate point as the current coordinate point, returning to the step (3.3.2), and entering the next step if the next coordinate point does not exist in the coordinate point set;
and (3.3.5) adding all coordinate points between the starting point and the ending point into a first coordinate subset by taking the first coordinate point as the starting point and the breakpoint as the ending point, then taking the next coordinate point of each breakpoint as the starting point and taking the breakpoint or the last coordinate point as the ending point, and respectively adding all coordinate points between each segment of the starting point and the ending point into the coordinate subsets in sequence.
3. A method of generating an elaboration code on the basis of photographs according to claim 1, characterized in that: the step (4.4) of calculating the handover scheme includes the steps of:
(4.4.1) taking the adjacent end points of the two adjacent curves as handover end points;
(4.4.2) taking points between the connection end points on the traversal slope straight line by an approximation method, so that the arc lines determined by the connection end points and the three points of the points can be tangent to the two adjacent curves;
and (4.4.3) taking an arc line as a processing operation path, and taking the processing tool in the selected scheme to pass through the processing operation path twice respectively as a handover scheme.
4. A method of generating an elaboration code on the basis of photographs according to claim 1, characterized in that: the steps I to fifthly are realized by independent chips respectively.
5. A method of generating a tooling code from a photograph as recited in claim 3, wherein: the slope straight line is a linear function taking the slope calculation result as a proportionality coefficient.
6. A method of generating an elaboration code on the basis of photographs according to claim 1, characterized in that: the image of the artwork design drawing acquired in the step I is an RGB pixel map with the bottom color being a pure color background.
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