CN115546053B - Method and device for eliminating diffuse reflection of graphics on snow in complex terrain - Google Patents
Method and device for eliminating diffuse reflection of graphics on snow in complex terrain Download PDFInfo
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Abstract
The invention discloses a method and a device for eliminating diffuse reflection of a graph on a snowfield on a complex terrain. Wherein the method comprises the following steps: acquiring original image data of snow and data of a snow environment; extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data; and generating the snow removing image data through the diffuse reflection factor and the blemish coordinates. The invention solves the technical problems that in the prior art, the original image is subjected to distortion correction and sharpening only by combining the data of the complex terrain with the original image data of the snow, and the diffuse reflection of flaws cannot be eliminated according to the data of the real-time snow environment, so that the effect of optimizing the image data in the complex terrain is greatly influenced.
Description
Technical Field
The invention relates to the field of image optimization and processing, in particular to a method and a device for eliminating diffuse reflection of a graph on a snowfield of a complex terrain.
Background
Along with the continuous development of intelligent science and technology, intelligent equipment is increasingly used in life, work and study of people, and the quality of life of people is improved and the learning and working efficiency of people is increased by using intelligent science and technology means.
Currently, for acquisition of snow image data, when a high-precision image capturing apparatus is installed on a snowfield or snowfield with a relatively complex terrain, real-time image data acquisition and analysis are required according to the situation of the complex terrain, and distortion correction and image sharpening processing are generally performed on the complex terrain image acquisition by the original image data and the terrain data of the complex terrain, so as to obtain snow image data with more clear and complex terrain properties than the original image data. However, in the prior art, the processing process of the snow image of the complex terrain only carries out distortion correction and sharpening processing on the original image by combining the data of the complex terrain with the original image data of the snow, and the diffuse reflection of flaws cannot be eliminated according to the data of the real-time snow environment, so that the effect of optimizing the image data in the complex terrain is greatly influenced.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a method and a device for eliminating diffuse reflection of a graph on a snowfield of a complex terrain, which at least solve the technical problem that the image processing process of the snowfield of the complex terrain in the prior art is to carry out distortion correction and sharpening processing on an original image only by combining data of the complex terrain with original image data of the snowfield, and can not eliminate diffuse reflection of flaws according to the data of a real-time snowfield environment, thereby greatly influencing the effect of optimizing the image data in the complex terrain.
According to an aspect of an embodiment of the present invention, there is provided a method for removing diffuse reflection of a pattern for a snowfield of a complex terrain, including: acquiring original image data of snow and data of a snow environment; extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data; and generating the snow removing image data through the diffuse reflection factor and the blemish coordinates.
Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data.
Optionally, the generating the diffuse reflection factor using the snowfield reflectance and the snowfield environment data includes: calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
Optionally, the generating the blemish removal image data by the diffuse reflection factor and the blemish coordinates includes: generating snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data comprises: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and performing ablation fitting on the snowfield reflection data and the original snowfield image to obtain the concealing image data.
According to another aspect of the embodiment of the present invention, there is also provided a graphic diffuse reflection eliminating device for a snowfield of a complex terrain, including: the acquisition module is used for acquiring the original image data of the snow and the data of the snow environment; the extraction module is used for extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; the generation module is used for generating a diffuse reflection factor by utilizing the snow field reflection coefficient and the snow environment data; and the blemish removing module is used for generating blemish removing image data through the diffuse reflection factor and the blemish coordinates.
Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data.
Optionally, the generating module includes: a calculation unit for calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
Optionally, the concealer removal module comprises: a generating unit configured to generate snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data includes: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and the fitting unit is used for performing ablation fitting on the snowfield reflection data and the snowfield original image to obtain the concealing image data.
According to another aspect of the embodiment of the present invention, there is also provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and when the program runs, the device where the non-volatile storage medium is controlled to execute a method for eliminating diffuse reflection of graphics for a snowfield of a complex terrain.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device including a processor and a memory; the memory stores computer readable instructions, and the processor is configured to execute the computer readable instructions, where the computer readable instructions execute a method for eliminating diffuse reflection of graphics for snowfields in complex terrains.
In the embodiment of the invention, the original image data of the snow and the data of the snow environment are acquired; extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data; by means of the diffuse reflection factors and the blemish coordinates, the method for generating blemish removing image data solves the technical problem that in the prior art, distortion correction and sharpening are carried out on an original image only through the combination of data of complex terrains and original image data of snowlands, and blemish diffuse reflection elimination cannot be carried out according to the data of real-time snowfield environments, so that the effect of optimizing the image data in the complex terrains is greatly affected.
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The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a method for graphical diffuse reflection cancellation for a complex terrain snowfield, according to an embodiment of the invention;
FIG. 2 is a block diagram of a graphical diffuse reflection eliminating device for a snowfield of a complex terrain according to an embodiment of the present invention;
fig. 3 is a block diagram of a terminal device for performing the method according to the invention according to an embodiment of the invention;
fig. 4 is a memory unit for holding or carrying program code for implementing a method according to the invention, according to an embodiment of the invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided a method embodiment of a method for graphical diffuse reflection elimination of snow in complex terrain, it being noted that the steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer executable instructions, and that, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order other than that illustrated herein.
Example 1
FIG. 1 is a flowchart of a method for eliminating diffuse reflection of graphics for snowfields in complex terrain, according to an embodiment of the present invention, as shown in FIG. 1, the method comprising the steps of:
step S102, acquiring original image data of the snow and data of the snow environment.
Specifically, in order to solve the technical problem that in the prior art, in the process of processing a snow image of a complex terrain, distortion correction and sharpening are carried out on an original image only by combining data of the complex terrain with data of a snow original image, and diffuse reflection of flaws cannot be eliminated according to data of a real-time snow environment, so that the effect of optimizing the image data in the complex terrain is greatly affected, firstly, storage and conversion of the image data are carried out according to the data of the snow original image acquired by a high-precision camera, and meanwhile, a multi-sensing system is utilized for acquiring the snow environment, so that the processing of determining the diffuse reflection condition by combining and analyzing the data of the snow original image is carried out.
Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data.
Specifically, the snowfield environment data in the embodiment of the invention is collected by a snowfield sensor array, and the snowfield environment data and the snowfield climate data are used for detecting and eliminating diffuse reflection.
And step S104, extracting the coordinates of the blemishes in the original image data of the snow field according to the data of the snow field.
Specifically, after the embodiment of the invention acquires the snow environment data, coordinates of flaw points in the original image data of the snow are required to be judged according to the data such as light rays and weather in the snow environment data, so that coordinate values of all flaw points in the original image data of the snow are extracted for subsequent removal and optimization of the flaw points.
And S106, generating a diffuse reflection factor by using the snow field reflection coefficient and the snow environment data.
Optionally, the generating the diffuse reflection factor using the snowfield reflectance and the snowfield environment data includes: calculating the diffuse reflection factor by the following formulaWherein the method comprises the steps of,/>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
Specifically, in order to obtain the diffuse reflection condition in the snow image acquisition process, a diffuse reflection factor needs to be generated according to the reflection coefficient and the snow environment data, wherein the diffuse reflection factor is used for matching with the coordinate parameters of the flaw point in the original image data to achieve the technical purposes of finding the diffuse reflection condition of the flaw point and processing the diffuse reflection condition. For example, the generating a diffuse reflection factor using the snow field reflectance and the snow field data includes: calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
Step S108, generating the image data of the blemish removing snow through the diffuse reflection factor and the blemish coordinates.
Optionally, the generating the blemish removal image data by the diffuse reflection factor and the blemish coordinates includes: generating snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data comprises: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and performing ablation fitting on the snowfield reflection data and the original snowfield image to obtain the concealing image data.
Specifically, the diffuse reflection factor obtained by calculation and flaw point position coordinate data about the snow image in the original image data can correspondingly eliminate flaw points, optimize the original image data of the snow and obtain final flaw removal image data.
By the embodiment, the technical problems that in the prior art, the original image is subjected to distortion correction and sharpening only by combining the data of the complex terrain with the original image data of the snow, and the diffuse reflection of flaws cannot be eliminated according to the data of the real-time snow environment are solved, so that the effect of optimizing the image data in the complex terrain is greatly affected.
Example two
Fig. 2 is a block diagram of a graphic diffuse reflection removing device for a snowfield of a complex terrain according to an embodiment of the present invention, and as shown in fig. 2, the device includes:
an acquisition module 20 for acquiring snow raw image data and snow environment data.
Specifically, in order to solve the technical problem that in the prior art, in the process of processing a snow image of a complex terrain, distortion correction and sharpening are carried out on an original image only by combining data of the complex terrain with data of a snow original image, and diffuse reflection of flaws cannot be eliminated according to data of a real-time snow environment, so that the effect of optimizing the image data in the complex terrain is greatly affected, firstly, storage and conversion of the image data are carried out according to the data of the snow original image acquired by a high-precision camera, and meanwhile, a multi-sensing system is utilized for acquiring the snow environment, so that the processing of determining the diffuse reflection condition by combining and analyzing the data of the snow original image is carried out.
Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data.
Specifically, the snowfield environment data in the embodiment of the invention is collected by a snowfield sensor array, and the snowfield environment data and the snowfield climate data are used for detecting and eliminating diffuse reflection.
An extraction module 22 is used for extracting blemish coordinates in the original image data of the snow field according to the data of the snow field.
Specifically, after the embodiment of the invention acquires the snow environment data, coordinates of flaw points in the original image data of the snow are required to be judged according to the data such as light rays and weather in the snow environment data, so that coordinate values of all flaw points in the original image data of the snow are extracted for subsequent removal and optimization of the flaw points.
A generation module 24 for generating a diffuse reflection factor using the snow field reflectance and the snow field environment data.
Optionally, the generating module includes: a calculation unit for calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
Specifically, in order to obtain the diffuse reflection condition in the snow image acquisition process, a diffuse reflection factor needs to be generated according to the reflection coefficient and the snow environment data, wherein the diffuse reflection factor is used for matching with the coordinate parameters of the flaw point in the original image data to achieve the technical purposes of finding the diffuse reflection condition of the flaw point and processing the diffuse reflection condition. For example, the generating a diffuse reflection factor using the snow field reflectance and the snow field data includes: calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance.
A blemish removal module 26 for generating blemish removal image data from the diffuse reflection factor and the blemish coordinates.
Optionally, the concealer removal module comprises: a generating unit configured to generate snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data includes: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and the fitting unit is used for performing ablation fitting on the snowfield reflection data and the snowfield original image to obtain the concealing image data.
Specifically, the diffuse reflection factor obtained by calculation and flaw point position coordinate data about the snow image in the original image data can correspondingly eliminate flaw points, optimize the original image data of the snow and obtain final flaw removal image data.
By the embodiment, the technical problems that in the prior art, the original image is subjected to distortion correction and sharpening only by combining the data of the complex terrain with the original image data of the snow, and the diffuse reflection of flaws cannot be eliminated according to the data of the real-time snow environment are solved, so that the effect of optimizing the image data in the complex terrain is greatly affected.
According to another aspect of the embodiment of the present invention, there is also provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and when the program runs, the device where the non-volatile storage medium is controlled to execute a method for eliminating diffuse reflection of graphics for a snowfield of a complex terrain.
Specifically, the method comprises the following steps: acquiring original image data of snow and data of a snow environment; extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data; and generating the snow removing image data through the diffuse reflection factor and the blemish coordinates. Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data. Optionally, the generating the diffuse reflection factor using the snowfield reflectance and the snowfield environment data includes: calculating the diffuse reflection factor by the following formulaWherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is the snow field data set and e is the snow field reflectance. Optionally, the generating the blemish removal image data by the diffuse reflection factor and the blemish coordinates includes: generating snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data comprises: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and performing ablation fitting on the snowfield reflection data and the original snowfield image to obtain the concealing image data.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device including a processor and a memory; the memory stores computer readable instructions, and the processor is configured to execute the computer readable instructions, where the computer readable instructions execute a method for eliminating diffuse reflection of graphics for snowfields in complex terrains.
Specifically, the method comprises the following steps: acquiring original image data of snow and data of a snow environment; extracting blemish coordinates in the original image data of the snow field according to the data of the snow field; generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data; and generating the snow removing image data through the diffuse reflection factor and the blemish coordinates. Optionally, the snow environment data includes: snow terrain data, snow ambient light data, and snow climate data. Optionally, the generating the diffuse reflection factor using the snowfield reflectance and the snowfield environment data includes: calculating the diffuse reflection factor by the following formulaWherein (1)>Is vectorizationIs the diffuse reflection factor f albedo Is the snow field data set and e is the snow field reflectance. Optionally, the generating the blemish removal image data by the diffuse reflection factor and the blemish coordinates includes: generating snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data comprises: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution; and performing ablation fitting on the snowfield reflection data and the original snowfield image to obtain the concealing image data.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, fig. 3 is a schematic hardware structure of a terminal device according to an embodiment of the present application. As shown in fig. 3, the terminal device may include an input device 30, a processor 31, an output device 32, a memory 33, and at least one communication bus 34. The communication bus 34 is used to enable communication connections between the elements. The memory 33 may comprise a high-speed RAM memory or may further comprise a non-volatile memory NVM, such as at least one magnetic disk memory, in which various programs may be stored for performing various processing functions and implementing the method steps of the present embodiment.
Alternatively, the processor 31 may be implemented as, for example, a central processing unit (Central Processing Unit, abbreviated as CPU), an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and the processor 31 is coupled to the input device 30 and the output device 32 through wired or wireless connections.
Alternatively, the input device 30 may include a variety of input devices, for example, may include at least one of a user-oriented user interface, a device-oriented device interface, a programmable interface of software, a camera, and a sensor. Optionally, the device interface facing the device may be a wired interface for data transmission between devices, or may be a hardware insertion interface (such as a USB interface, a serial port, etc.) for data transmission between devices; alternatively, the user-oriented user interface may be, for example, a user-oriented control key, a voice input device for receiving voice input, and a touch-sensitive device (e.g., a touch screen, a touch pad, etc. having touch-sensitive functionality) for receiving user touch input by a user; optionally, the programmable interface of the software may be, for example, an entry for a user to edit or modify a program, for example, an input pin interface or an input interface of a chip, etc.; optionally, the transceiver may be a radio frequency transceiver chip, a baseband processing chip, a transceiver antenna, etc. with a communication function. An audio input device such as a microphone may receive voice data. The output device 32 may include a display, audio, or the like.
In this embodiment, the processor of the terminal device may include functions for executing each module of the data processing apparatus in each device, and specific functions and technical effects may be referred to the above embodiments and are not described herein again.
Fig. 4 is a schematic hardware structure of a terminal device according to another embodiment of the present application. Fig. 4 is a specific embodiment of the implementation of fig. 3. As shown in fig. 4, the terminal device of the present embodiment includes a processor 41 and a memory 42.
The processor 41 executes the computer program code stored in the memory 42 to implement the methods of the above-described embodiments.
The memory 42 is configured to store various types of data to support operation at the terminal device. Examples of such data include instructions for any application or method operating on the terminal device, such as messages, pictures, video, etc. The memory 42 may include a random access memory (random access memory, simply referred to as RAM) and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.
Optionally, a processor 41 is provided in the processing assembly 40. The terminal device may further include: a communication component 43, a power supply component 44, a multimedia component 45, an audio component 46, an input/output interface 47 and/or a sensor component 48. The components and the like specifically included in the terminal device are set according to actual requirements, which are not limited in this embodiment.
The processing component 40 generally controls the overall operation of the terminal device. The processing component 40 may include one or more processors 41 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 40 may include one or more modules that facilitate interactions between the processing component 40 and other components. For example, processing component 40 may include a multimedia module to facilitate interaction between multimedia component 45 and processing component 40.
The power supply assembly 44 provides power to the various components of the terminal device. Power supply components 44 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for terminal devices.
The multimedia component 45 comprises a display screen between the terminal device and the user providing an output interface. In some embodiments, the display screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the display screen includes a touch panel, the display screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation.
The audio component 46 is configured to output and/or input audio signals. For example, the audio component 46 includes a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operational mode, such as a speech recognition mode. The received audio signals may be further stored in the memory 42 or transmitted via the communication component 43. In some embodiments, audio assembly 46 further includes a speaker for outputting audio signals.
The input/output interface 47 provides an interface between the processing assembly 40 and peripheral interface modules, which may be click wheels, buttons, etc. These buttons may include, but are not limited to: volume button, start button and lock button.
The sensor assembly 48 includes one or more sensors for providing status assessment of various aspects for the terminal device. For example, the sensor assembly 48 may detect the open/closed state of the terminal device, the relative positioning of the assembly, the presence or absence of user contact with the terminal device. The sensor assembly 48 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact, including detecting the distance between the user and the terminal device. In some embodiments, the sensor assembly 48 may also include a camera or the like.
The communication component 43 is configured to facilitate communication between the terminal device and other devices in a wired or wireless manner. The terminal device may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one embodiment, the terminal device may include a SIM card slot, where the SIM card slot is used to insert a SIM card, so that the terminal device may log into a GPRS network, and establish communication with a server through the internet.
From the above, it will be appreciated that the communication component 43, the audio component 46, and the input/output interface 47, the sensor component 48 referred to in the embodiment of fig. 4 may be implemented as an input device in the embodiment of fig. 3.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. A method for eliminating diffuse reflection of graphics for snow on complex terrain, comprising:
acquiring original image data of snow and data of a snow environment;
extracting blemish coordinates in the original image data of the snow field according to the data of the snow field;
generating a diffuse reflection factor by using the snow field reflection coefficient and the snow field environment data;
generating blemish removal image data through the diffuse reflection factor and the blemish coordinates;
the generating a diffuse reflection factor using a snow field reflectance and the snow field data comprises:
calculating the diffuse reflection factor by the following formula
Wherein (1)>Is the diffuse reflection factor of vectorization, f albedo Is a snow field data set, e is the snow field reflectance;
the generating of the blemish removal image data by the diffuse reflection factor and the blemish coordinates includes:
generating snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data comprises: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution;
and performing ablation fitting on the snowfield reflection data and the original snowfield image to obtain the concealing image data.
2. The method of claim 1, wherein the snow-environment data comprises: snow terrain data, snow ambient light data, and snow climate data.
3. A graphic diffuse reflection eliminating device for a snowfield of a complex terrain, comprising:
the acquisition module is used for acquiring the original image data of the snow and the data of the snow environment;
the extraction module is used for extracting blemish coordinates in the original image data of the snow field according to the data of the snow field;
the generation module is used for generating a diffuse reflection factor by utilizing the snow field reflection coefficient and the snow environment data;
a blemish removal module for generating blemish removal image data by the diffuse reflection factor and the blemish coordinates;
the generation module comprises:
a calculation unit for calculating the diffuse reflection factor by the following formula
Wherein (1)>Is vectorized to the diffusionReflection factor, f allbedo Is a snow field data set, e is the snow field reflectance;
the concealer removal module comprises:
a generating unit configured to generate snow reflection data by the diffuse reflection factor and the blemish coordinates, wherein the snow reflection data includes: topography reflection parameters, topography diffuse reflection parameters, diffuse reflection image blemish value distribution;
and the fitting unit is used for performing ablation fitting on the snowfield reflection data and the snowfield original image to obtain the concealing image data.
4. The apparatus of claim 3, wherein the snow-environment data comprises: snow terrain data, snow ambient light data, and snow climate data.
5. A non-volatile storage medium, characterized in that the non-volatile storage medium comprises a stored program, wherein the program, when run, controls a device in which the non-volatile storage medium is located to perform the method of any one of claims 1 to 2.
6. An electronic device comprising a processor and a memory; the memory has stored therein computer readable instructions for executing the processor, wherein the computer readable instructions when executed perform the method of any of claims 1 to 2.
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