CN114722587A - Photoelectric tube array simulation method and device, storage medium and computer equipment - Google Patents

Abstract

The invention provides a simulation method and a device of a photoelectric tube array, a storage medium and computer equipment, wherein the simulation method of the photoelectric tube array comprises the following steps: acquiring a photoelectric tube array image of a photoelectric coding chip to be simulated; acquiring a light spot image corresponding to the photoelectric tube array image; importing the photoelectric tube array image and the light spot image into simulation software to enable the light spot image to periodically move on the photoelectric tube image; according to a preset intersection acquisition rule, acquiring an intersection result of a light spot image of a movement period and a photoelectric tube array image when the light spot image periodically moves on the photoelectric tube array image; the intersection result comprises the intersection positions of the light spot image and each photoelectric cell in the photoelectric cell array image; and generating sine and cosine signals corresponding to the motion period according to the intersection result, and determining the sine and cosine signals as the simulation result. The invention can help users to improve the design efficiency of the photoelectric tube array on the reflection type photoelectric coding chip.

Description

Photocell array simulation method, device, storage medium and computer equipment

technical field

The invention relates to the technical field of simulation of photocell arrays, in particular to a photocell array simulation method, device, storage medium and computer equipment.

Background technique

At present, the design of the reflective photoelectric coding chip is based on the research on the shape, size and position of the photocell on the reflective photoelectric coding chip, which is mainly calculated with reference to mathematical formulas. In the actual application process, due to the complexity of the application environment and the location where the chip is installed, there will be various results. Therefore, it is inefficient to design a reflective photoelectric coding chip simply by calculating mathematical formulas. Performance was mixed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the shortcomings and deficiencies in the prior art, and to provide a photocell array simulation method, device, storage medium and computer equipment, which can help users improve the design efficiency of photocell arrays on reflective photoelectric coding chips.

An embodiment of the present invention provides a method for simulating a photocell array, including:

Obtain the photocell array image of the photoelectric coding chip to be simulated;

acquiring a light spot image corresponding to the photocell array image;

importing the photocell array image and the light spot image into simulation software, so that the light spot image performs periodic motion on the photocell image;

According to the preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the intersection result of the light spot image and the photocell array image for one movement period is obtained; the intersection result; The result includes the intersection position of the light spot image and each photocell in the photocell array image;

A sine and cosine signal corresponding to the motion period is generated according to the intersection result, and the sine and cosine signal is determined as a simulation result.

Compared with the prior art, the photocell array simulation method of the present invention makes the light spot image perform periodic motion on the photocell image by importing the photocell array image and the corresponding light spot image into the simulation software, and according to the preset According to the established intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the intersection result of the light spot image and the photocell array image for one motion period is obtained, and then according to the intersection result As a result, the sine and cosine signal is obtained as the simulation result, which helps the user to analyze the signal quality of the sine and cosine signal, thereby judging whether the photocell array image is properly designed, and helps the user to improve the design efficiency of the photocell array on the reflective photoelectric coding chip.

In one embodiment, before the step of importing the photocell array image and the light spot image into the simulation software, the following steps are included:

Performing grayscale normalization processing on the photocell array image; wherein, in the photocell array image after the grayscale normalization processing, the grayscale value of each photocell is 1.

By performing grayscale normalization processing on the photocell array image, it is helpful to improve the accuracy of the obtained intersection result.

In one embodiment, before the step of importing the photocell array image and the light spot image into the simulation software, the following steps are included:

Perform grayscale normalization processing on the light spot image; wherein, in the light spot image after the grayscale normalization process, the grayscale value of the light spot range is 1.

By performing grayscale normalization processing on the light spot image, it is helpful to improve the accuracy of the obtained intersection result.

In one embodiment, according to a preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the light spot image and the photocell array for one movement period are acquired The steps of the intersection result of the images include:

Get the pixel interval value;

During the movement of the light spot image on the photocell array image, an intersection result of the light spot image and the photocell array image is obtained according to the pixel interval value.

The time-consuming length of acquiring the intersection result and the accuracy of the intersection result can be controlled according to the pixel interval value.

An embodiment of the present invention also provides a photocell array simulation device, comprising:

The photocell array image acquisition module is used to acquire the photocell array image of the photoelectric coding chip to be simulated;

a spot image acquisition module, configured to obtain a spot image corresponding to the photocell array image;

an import module for importing the photocell array image and the light spot image into simulation software, so that the light spot image performs periodic motion on the photocell image;

The intersection result acquisition module is configured to acquire the light spot image and the photocell array image for one motion period when the light spot image performs periodic motion on the photocell array image according to a preset intersection acquisition rule The intersection result; the intersection result includes the intersection position of the light spot image and each photocell in the photocell array image;

A simulation result obtaining module is configured to generate a sine and cosine signal corresponding to the motion period according to the intersection result, and determine the sine and cosine signal as a simulation result.

Compared with the prior art, the photocell array simulation device of the present invention, by importing the photocell array image and the corresponding light spot image into the simulation software, makes the light spot image perform periodic motion on the photocell image, and press According to the preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the intersection result of the light spot image and the photocell array image for one motion period is obtained, and then according to the The intersection result obtains the sine and cosine signal as the simulation result, which helps the user to analyze the signal quality of the sine and cosine signal, so as to judge whether the design of the photocell array image is reasonable, and help the user to improve the design efficiency of the photocell array on the reflective photoelectric encoder chip. .

In one embodiment, a first grayscale normalization processing module is further included, and the first grayscale normalization processing module is configured to perform grayscale normalization processing on the photocell array image; wherein, the grayscale In the normalized image of the photocell array, the grayscale value of each photocell is 1. By performing grayscale normalization processing on the photocell array image, it is helpful to improve the accuracy of the obtained intersection result.

In an embodiment, a second grayscale normalization processing module is further included, and the second grayscale normalization processing module is configured to perform grayscale normalization processing on the light spot image; wherein, the grayscale normalization In the light spot image after processing, the gray value of the light spot range is 1. By performing grayscale normalization processing on the light spot image, it is helpful to improve the accuracy of the obtained intersection result.

An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the above-mentioned method for simulating a photocell array.

An embodiment of the present invention also provides a computer device, including a storage, a processor, and a computer program stored in the storage and executable by the processor, and the processor is implemented when the processor executes the computer program The steps of the photocell array simulation method as described above.

In order to understand the present invention more clearly, the specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Description of drawings

FIG. 1 is a flowchart of a method for simulating a photocell array according to an embodiment of the present invention.

FIG. 2 is a flowchart of steps S41-S42 of a method for simulating a photocell array according to an embodiment of the present invention.

FIG. 3 is a module connection diagram of a photocell array simulation device according to an embodiment of the present invention.

1. Photocell array image acquisition module; 2. Spot image acquisition module; 3. Import module; 4. Intersection result acquisition module; 5. Simulation result acquisition module.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the embodiments of the present application.

Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. In the description of this application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence, nor can understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations. As used in this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. The words "if"/"if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

Also, in the description of the present application, unless otherwise specified, "a plurality" means two or more. "And/or", which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone. The character "/" generally indicates that the associated objects are an "or" relationship.

Please refer to FIG. 1, which is a flowchart of a method for simulating a photocell array according to an embodiment of the present invention, including:

S1: Obtain the photocell array image of the photoelectric coding chip to be simulated.

Wherein, the photocell array image is pre-designed, and can be obtained by PS software (Adobe Photoshop, which mainly deals with digital images composed of pixels. Using its numerous editing and drawing tools, image editing work can be effectively performed. PS software has many functions, which are involved in image, graphics, text, video, publishing, etc.) design and generation, and can also be obtained by shooting and image processing of existing photoelectric coding chips through high-definition cameras.

S2: Acquire a light spot image corresponding to the photocell array image.

Wherein, the light spot image is also pre-designed, for example, designed by PS software.

S3: Import the photocell array image and the light spot image into simulation software, so that the light spot image performs periodic motion on the photocell image.

Preferably, the simulation software is Matlab.

S4: According to the preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, obtain the intersection result of the light spot image and the photocell array image for one motion period; The intersection result includes intersection positions of the light spot image and each photocell in the photocell array image.

S5: Generate a sine and cosine signal corresponding to the motion period according to the intersection result, and determine the sine and cosine signal as a simulation result.

Compared with the prior art, the photocell array simulation method of the present invention makes the light spot image perform periodic motion on the photocell image by importing the photocell array image and the corresponding light spot image into the simulation software, and according to the preset According to the established intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the intersection result of the light spot image and the photocell array image for one motion period is obtained, and then according to the intersection result As a result, the sine and cosine signal is obtained as the simulation result, which helps the user to analyze the signal quality of the sine and cosine signal, thereby judging whether the photocell array image is properly designed, and helps the user to improve the design efficiency of the photocell array on the reflective photoelectric coding chip.

In a feasible embodiment, before the step of importing the photocell array image and the light spot image into the simulation software, the following steps are included:

Performing grayscale normalization processing on the photocell array image; wherein, in the photocell array image after the grayscale normalization processing, the grayscale value of each photocell is 1. This is because in the photocell array image, the original color of each photocell is white, so the normalized grayscale value of the photocell is 1, and by graying the photocell array image Degree normalization processing helps to improve the accuracy of the obtained intersection results.

Preferably, before the step of importing the photocell array image and the light spot image into the simulation software, the following steps are included:

Perform grayscale normalization processing on the light spot image; wherein, in the light spot image after the grayscale normalization process, the grayscale value of the light spot range is 1. This is because in the light spot image, the color of the range of the light spot is white, so the gray value after the grayscale normalization process is 1, and by performing grayscale normalization on the light spot image, there are Helps to improve the accuracy of the obtained intersection results.

Referring to FIG. 2, preferably, in this embodiment, according to the preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the The steps of the intersection result of the spot image and the photocell array image include:

S41: Obtain the pixel interval value. The pixel spacing value may be 1, 2, 3, and so on.

S42 : in the process of moving the light spot image on the photocell array image for a distance, obtain an intersection result of the light spot image and the photocell array image according to the pixel interval value.

In this embodiment, the time-consuming length of acquiring the intersection result and the accuracy of the intersection result can be controlled according to the pixel interval value. For example, if the pixel interval value is 2, the intersection of the light spot image and the photocell array image will be collected once every time the light spot image passes through 2 pixels along the moving direction on the photocell array image. , and the intersection of the light spot image and the photocell array image is the corresponding moment, the photocell with a grayscale value of 1 on the photocell array image and the light spot with a grayscale value of 1 on the light spot image The intersection of the ranges, that is, the intersection of pixels with a grayscale value of 1 in the two images at the corresponding moment, and then the intersection result is generated according to the intersection obtained at different times in a cycle. The user can adjust the value of the pixel interval value, thereby changing the precision and obtaining efficiency of the intersection result.

In other embodiments, the intersection result of the light spot image and the photocell array image can also be obtained according to a preset time interval, and at this time, the user can adjust the movement of the light spot image on the photocell array image by adjusting the movement of the light spot image on the photocell array image. Speed to change the precision of the obtained intersection result.

Referring to FIG. 3, an embodiment of the present invention also provides a photocell array simulation device, including:

The photocell array image acquisition module 1 is used for acquiring the photocell array image of the photoelectric coding chip to be simulated;

A spot image acquisition module 2, configured to obtain a spot image corresponding to the photocell array image;

Importing module 3, for importing the photocell array image and the light spot image into simulation software, so that the light spot image performs periodic motion on the photocell image;

The intersection result acquisition module 4 is configured to acquire the light spot image and the photocell array for one movement period when the light spot image performs periodic motion on the photocell array image according to a preset intersection acquisition rule an image intersection result; the intersection result includes the intersection position of the light spot image and each photocell in the photocell array image;

A simulation result obtaining module 5 is configured to generate a sine and cosine signal corresponding to the motion period according to the intersection result, and determine the sine and cosine signal as a simulation result.

Wherein, the photocell array image is pre-designed, and can be obtained by PS software (Adobe Photoshop, which mainly deals with digital images composed of pixels. Using its numerous editing and drawing tools, image editing work can be effectively performed. PS software has many functions, which are involved in image, graphics, text, video, publishing, etc.) design and generation, and can also be obtained by shooting and image processing of existing photoelectric coding chips through high-definition cameras.

Wherein, the light spot image is also pre-designed, for example, designed by PS software.

Preferably, the simulation software is Matlab.

Compared with the prior art, the photocell array simulation device of the present invention, by importing the photocell array image and the corresponding light spot image into the simulation software, makes the light spot image perform periodic motion on the photocell image, and press According to the preset intersection acquisition rule, when the light spot image performs periodic motion on the photocell array image, the intersection result of the light spot image and the photocell array image for one motion period is obtained, and then according to the The intersection result obtains the sine and cosine signal as the simulation result, which helps the user to analyze the signal quality of the sine and cosine signal, so as to judge whether the design of the photocell array image is reasonable, and help the user to improve the design efficiency of the photocell array on the reflective photoelectric encoder chip. .

In a feasible embodiment, a first grayscale normalization processing module is further included, and the first grayscale normalization processing module is configured to perform grayscale normalization processing on the photocell array image; wherein, In the photocell array image after the grayscale normalization process, the grayscale value of each photocell is 1. By performing grayscale normalization processing on the photocell array image, it is helpful to improve the accuracy of the obtained intersection result.

In a feasible embodiment, a second grayscale normalization processing module is further included, and the second grayscale normalization processing module is configured to perform grayscale normalization processing on the spot image; wherein, the grayscale In the light spot image after normalization processing, the gray value of the light spot range is 1. By performing grayscale normalization processing on the light spot image, it is helpful to improve the accuracy of the obtained intersection result.

An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the above-mentioned method for simulating a photocell array.

An embodiment of the present invention also provides a computer device, including a storage, a processor, and a computer program stored in the storage and executable by the processor, and the processor is implemented when the processor executes the computer program The steps of the photocell array simulation method as described above.

The device embodiments described above are only illustrative, wherein the components described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed over multiple network elements. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of the present application. Those of ordinary skill in the art can understand and implement it without creative effort.

As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions selected in one or more of the flowcharts and/or one or more blocks of the block diagrams. These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions An apparatus implements the functions selected in one or more of the flowcharts and/or one or more blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions selected in the flow or blocks of the flowcharts and/or the blocks or blocks of the block diagrams.

In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

Memory may include non-persistent memory in computer readable media, random access memory (RAM) and/or non-volatile memory in the form of, for example, read only memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.

Computer-readable media includes both persistent and non-permanent, removable and non-removable media, and storage of information may be implemented by any method or technology. Information may be computer readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Flash Memory or other memory technology, Compact Disc Read Only Memory (CD-ROM), Digital Versatile Disc (DVD) or other optical storage, Magnetic tape cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer-readable media does not include transitory computer-readable media, such as modulated data signals and carrier waves.

It should also be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also Other elements not expressly listed, or which are inherent to such a process, method, article of manufacture, or apparatus are also included. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article of manufacture or apparatus that includes the element.

The above are merely examples of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims (9)

1. A simulation method of a photoelectric tube array is characterized by comprising the following steps:

acquiring a photoelectric tube array image of a photoelectric coding chip to be simulated;

acquiring a light spot image corresponding to the photoelectric tube array image;

importing the photoelectric tube array image and the light spot image into simulation software to enable the light spot image to periodically move on the photoelectric tube image;

according to a preset intersection acquisition rule, acquiring an intersection result of the light spot image and the photoelectric tube array image in a movement period when the light spot image periodically moves on the photoelectric tube array image; the intersection result comprises the intersection positions of the light spot image and each photoelectric cell in the photoelectric cell array image;

and generating sine and cosine signals corresponding to the motion period according to the intersection result, and determining the sine and cosine signals as simulation results.

2. The method for simulating the photocell array according to claim 1, wherein before the step of introducing the image of the photocell array and the image of the light spot into the simulation software, the method comprises the following steps:

carrying out gray scale normalization processing on the photoelectric tube array image; in the phototube array image after the gray scale normalization processing, the gray scale value of each phototube is 1.

3. The method for simulating the photocell array according to claim 2, wherein before the step of introducing the image of the photocell array and the image of the light spot into the simulation software, the method comprises the following steps:

carrying out gray level normalization processing on the light spot image; and the gray value of the light spot range in the light spot image after the gray normalization processing is 1.

4. The method for simulating the photocell array according to claim 3, wherein the step of obtaining the intersection result of the spot image and the photocell array image for one movement period when the spot image performs the periodic movement on the photocell array image according to the preset intersection obtaining rule comprises:

acquiring a pixel interval value;

and acquiring an intersection result of the light spot image and the photoelectric tube array image according to the pixel interval value in the process of moving the light spot image on the photoelectric tube array image by a distance.

5. A simulation device for a photo-electric tube array is characterized by comprising:

the photoelectric tube array image acquisition module is used for acquiring a photoelectric tube array image of a photoelectric coding chip to be simulated;

the light spot image acquisition module is used for acquiring a light spot image corresponding to the photoelectric tube array image;

the importing module is used for importing the photoelectric tube array image and the light spot image into simulation software so that the light spot image periodically moves on the photoelectric tube image;

the intersection result acquisition module is used for acquiring an intersection result of the light spot image and the photoelectric tube array image in a motion cycle when the light spot image periodically moves on the photoelectric tube array image according to a preset intersection acquisition rule; the intersection result comprises the intersection positions of the light spot image and each photoelectric cell in the photoelectric cell array image;

and the simulation result acquisition module is used for generating sine and cosine signals corresponding to the motion period according to the intersection result and determining the sine and cosine signals as simulation results.

6. The simulation device of the photo-electric tube array as claimed in claim 5, further comprising a first gray normalization processing module, wherein the first gray normalization processing module is used for performing gray normalization processing on the photo-electric tube array image; in the phototube array image after the gray scale normalization processing, the gray scale value of each phototube is 1.

7. The simulation apparatus of the photo-electric tube array as claimed in claim 6, further comprising a second gray normalization processing module, wherein the second gray normalization processing module is configured to perform gray normalization processing on the light spot image; and the gray value of the light spot range in the light spot image after the gray normalization processing is 1.

8. A computer-readable storage medium storing a computer program, characterized in that: the computer program, when being executed by a processor, carries out the steps of the method of simulating a photocell array according to any one of claims 1 to 5.

9. A computer device, characterized by: comprising a memory, a processor and a computer program stored in the memory and executable by the processor, the processor implementing the steps of the method of simulating a photocell array according to any one of claims 1 to 5 when executing the computer program.

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