CN108900843A - Monochrome image compression method, device, medium and electronic equipment - Google Patents
Monochrome image compression method, device, medium and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
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Abstract
The embodiment of the invention provides a kind of monochrome image compression method, device, medium and electronic equipment, this method to include：Obtain the Pixel Information of target image to be compressed；According to the Pixel Information of the target image, by color value is identical and continuously multiple pixels are divided into pixel group for address, to obtain at least one pixel group；The pixel data of each pixel group is successively saved, and saves the pixel of non-pixel group in the Pixel Information, to generate the compressed data of the target image.The technical solution of the embodiment of the present invention can save space, improve compression efficiency.
Description
Technical field
The present invention relates to technical field of data processing, in particular to a kind of monochrome image compression method, device, Jie
Matter and electronic equipment and a kind of monochrome image decompressing method, device, medium and electronic equipment.
Background technique
With the development of electronic technology, more frivolous electronic product becomes the target of people's pursuit, therefore, small-sized electricity
Sub- product is dissolved into daily life more and more.
Small-sized electronic product having a display function for electronic table tablet stand, electronic tag and smartwatch etc., in order to frivolous
And power saving, usually built-in power consumption of processing unit is very low, and processing capacity is also weaker.From computer, server, smart phone etc.
When host equipment sends picture to small-sized electronic products such as electronic table tablet stand, electronic tag, smartwatch, it is desirable to which picture is efficiently pressed
Contracting；When these small-sized electronic products decompress image, it is desirable to be able to the power consumption of reduction CPU and required memory as far as possible.
In related fields, many ripe algorithms are pressed with for the compression reconciliation of color image, however, these algorithms and discomfort
For small-sized electronic products such as electronic table tablet stand, labels.Since the memory headroom and CPU processing capacity of these small-sized electronic products are non-
It is often limited, the complicated and big calculating of power consumption can not be carried out.On the other hand, electronic table tablet stand, label etc. be mainly used to show name or
Person's price, shown picture is mostly monochrome image, and picture usually has the homochromy region of bulk (for example, in name or price
The white space of side, lower section).Therefore, it is necessary to a kind of lists small suitable for the efficient, quick of low profile edge platform, calculation amount
Chromatic graph piece Compress softwares method.
It should be noted that information is only used for reinforcing the reason to background of the invention disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of monochrome image compression method and monochrome image decompressing method, dress
It sets, medium and electronic equipment, and then compression of images and decompression is overcome to need to occupy very big memory headroom at least to a certain extent
The problem of.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by the present invention
Practice and acquistion.
According to a first aspect of the embodiments of the present invention, a kind of method for compressing image is provided, including：
Obtain the Pixel Information of target image to be compressed；
According to the Pixel Information of the target image, by color value is identical and continuously multiple pixels are divided into picture for address
Plain group, to obtain at least one pixel group；
The pixel data of each pixel group is successively saved, and saves the pixel of non-pixel group in the Pixel Information
Point, to generate the compressed data of the target image.
In a kind of example embodiment of the invention, the pixel data for successively saving each pixel group, including：
Successively save initial address, the number of continuous pixel and the color value of pixel of each pixel group.
In a kind of example embodiment of the invention, the method also includes：
The sum of the sum and the pixel of the non-pixel group of the pixel group is stored in the compressed data.
In a kind of example embodiment of the invention, the pixel data for successively saving each pixel group, and protect
The pixel of non-pixel group in the Pixel Information is deposited, to generate the compressed data of the target image, including：
The pixel data of the pixel group is successively stored in array, and the pixel of the non-pixel group is successively added
The array is added to, to generate the compressed data of the target image.
According to a second aspect of the embodiments of the present invention, a kind of monochrome image decompressing method is improved, including：
Obtain the compressed data of target image, wherein include at least one pixel group and non-pixel in the compressed data
Multiple pixels of group；
The pixel group is parsed, at least one set of color value is identical and the continuous pixel in address to obtain；
According to the color value, multiple pixels of the continuous pixel in identical and address and the non-pixel group, are combined into
Complete Pixel Information.
In a kind of example embodiment of the invention, the parsing pixel group, to obtain at least one set of color value phase
The same and continuous pixel in address, including：
The initial address, the number of continuous pixel and the color value of pixel for including in the pixel group are extracted, with
Generate that at least one set of color value is identical and the continuous pixel in address.
In a kind of example embodiment of the invention, the method also includes：
According to the number of the initial address and the continuous pixel that include in each pixel group, calculate every
The number of the pixel of the non-pixel group between sets of adjacent pixels.
In a kind of example embodiment of the invention, the continuous multiple pixels in the and address identical according to the color value
Multiple pixels of point and the non-pixel group, being combined into complete Pixel Information includes：
The sum of the sum and the pixel of the non-pixel group of the pixel group is obtained from the compressed data；
According to the total institute between total, every sets of adjacent pixels of the pixel of the non-pixel group of the pixel group
The number for stating the pixel of non-pixel group, is combined into complete Pixel Information.
According to a third aspect of the embodiments of the present invention, a kind of monochrome image compression set is provided, including：
Image acquisition unit, for obtaining the Pixel Information of target image to be compressed；
Pixel group acquiring unit is identical by color value and address is continuous for the Pixel Information according to the target image
Multiple pixels be divided into pixel group, to obtain at least one pixel group；
Compression unit for successively saving the pixel data of each pixel group, and saves non-in the Pixel Information
The pixel of the pixel group, to generate the compressed data of the target image.
According to a fourth aspect of the embodiments of the present invention, a kind of monochrome image decompression device is provided, including：
Data capture unit, for obtaining the compressed data of target image, wherein include at least one in the compressed data
Multiple pixels of a pixel group and non-pixel group；
Resolution unit, for parsing the pixel group, to obtain, at least one set of color value is identical and the continuous pixel in address
Point；
Information acquisition unit, for the continuous pixel in identical and address according to the color value and the non-pixel group
Multiple pixels are combined into complete Pixel Information.
According to a fifth aspect of the embodiments of the present invention, a kind of computer-readable medium is provided, computer is stored thereon with
Program, realized when described program is executed by processor monochrome image compression method as described in first aspect in above-described embodiment or
Monochrome image decompressing method described in person's second aspect.
According to a sixth aspect of the embodiments of the present invention, a kind of electronic equipment is provided, including：One or more processors；
Storage device, for storing one or more programs, when one or more of programs are held by one or more of processors
When row, so that one or more of processors realize the monochrome image compression method as described in first aspect in above-described embodiment
Or monochrome image decompressing method described in second aspect.
Technical solution provided in an embodiment of the present invention can include the following benefits：
In the technical solution provided by some embodiments of the present invention, pass through color in the Pixel Information by target image
Being worth identical and address, continuously multiple pixels are divided into pixel group, save the pixel data of pixel group, and save non-pixel group
Pixel, compression of images may be implemented, and compression algorithm is simple, can save computational space, improve compression efficiency；This
Outside, memory space needed for compressed image is smaller, can save memory source；At the same time it can also improve the transmission of image
Efficiency.
In the technical solution provided by other embodiments of the invention, by obtaining compressed data, parsing compression number
Color value is identical and the continuous pixel in address to obtain for pixel group in, the continuous pixel in and address identical according to color value
The pixel of point and non-pixel group, combines complete Pixel Information, lossless decompressed image may be implemented；Also, decompression algorithm letter
It is single, decompression speed can be improved；It in addition, required stack space is small, can apply, enhance general on small-sized electronic product
Property.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the flow chart of the monochrome image compression method of embodiment according to the present invention；
Fig. 2 diagrammatically illustrates the flow chart of monochrome image compression method according to another embodiment of the present invention；
Fig. 3 diagrammatically illustrates the flow chart of the monochrome image decompressing method of embodiment according to the present invention；
Fig. 4 diagrammatically illustrates the flow chart of monochrome image decompressing method according to another embodiment of the present invention；
Fig. 5 diagrammatically illustrates the structural schematic diagram of the monochrome image compression set of embodiment according to the present invention；
Fig. 6 diagrammatically illustrates the structural schematic diagram of the monochrome image decompression device of embodiment according to the present invention；
The structure that Fig. 7 diagrammatically illustrates the computer system for being suitable for the electronic equipment for being used to realize the embodiment of the present invention is shown
It is intended to.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the present invention will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one or more in specific detail,
Or it can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes known side
Method, device, realization or operation are to avoid fuzzy each aspect of the present invention.
Block diagram shown in the drawings is only functional entity, not necessarily must be corresponding with physically separate entity.
I.e., it is possible to realize these functional entitys using software form, or realized in one or more hardware modules or integrated circuit
These functional entitys, or these functional entitys are realized in heterogeneous networks and/or processor device and/or microcontroller device.
Flow chart shown in the drawings is merely illustrative, it is not necessary to including all content and operation/step,
It is not required to execute by described sequence.For example, some operation/steps can also decompose, and some operation/steps can close
And or part merge, therefore the sequence actually executed is possible to change according to the actual situation.
The present invention provides the Fast Compression and decompressing method of a kind of monochromatic picture, in order to which picture resource is in host and display
Quick transmission and update between the small-sized electronic product of monochrome image, and effectively reduce preservation and uncompressed picture resource
Required memory size.The demand of compression and decompressing method of the invention to storehouse size is considerably less, to the processing energy of processor
Force request is very low, can be applied to the low profile edges platform such as STM32, Dialog.
Compression of the invention and decompressing method are explained below with reference to specific embodiment.In practical applications, first
First, in the end computer (PC), mobile phone terminal or by the sufficiently large equipment of MCU storehouse (hereinafter referred to as host side), to image (people
The monochrome image of the labels such as name, price) it is compressed.Then, compressed image is packaged at least one data packet (logical
Cross WiFi, bluetooth, near-field communication or cable network etc.) it is transferred to the small-sized electronic products such as electronic table tablet stand, electronic tag (general below
Referred to as Miniature Terminal).Finally, Miniature Terminal decompresses received data packet, and the picture that solution extrudes is shown and is being shielded
On curtain.When on Miniature Terminal picture or information need to update when, will repeat above operation, by host side compression update figure
Piece is sent to Miniature Terminal, and is decompressed and shown by Miniature Terminal.
Based on above to the introduction of application scenarios, hereinafter, when describing method for compressing image, it should be understood that the compression side
Method is executed in host side；When describing image expansion method, it should be understood that the decompressing method is executed on Miniature Terminal
, it will no longer explain one by one below.In addition, it should be understood that compression method is with decompressing method, inverse process, the two are corresponding each other.
In an example embodiment, a kind of monochrome image compression method is provided.As shown in Figure 1, this method can be with
Include the following steps：Step S110 obtains the Pixel Information of target image to be compressed；Step S120, according to the target figure
The Pixel Information of picture, by color value is identical and continuously multiple pixels are divided into pixel group for address, to obtain at least one picture
Plain group；And step S130, the pixel data of each pixel group is successively saved, and save non-picture in the Pixel Information
The pixel of element group, to generate the compressed data of the target image.
According to the monochrome image compression method in the implementation of this example, pass through color value phase in the Pixel Information by target image
Continuously multiple pixels are divided into pixel group for same and address, save the pixel data of pixel group, and save the picture of non-pixel group
Compression of images may be implemented in vegetarian refreshments.The compression method can save computational space, improve compression efficiency, compressed image institute
The memory space needed is smaller, can save memory source, while can also improve the efficiency of transmission of image.
In the following, Fig. 1 and Fig. 2 will be combined to carry out more each step of the monochrome image compression method in this example embodiment
Add detailed description.
In step s 110, the Pixel Information of target image to be compressed is obtained, target image therein can be any
The image of compression processing is needed, for example, the picture saved in the photo, computer in mobile phone picture library, STM32, Dialog etc. are small-sized
The picture etc. of embedded platform.In general, target image can also be the image saved in various formats, for example, PDF, PSD,
JPEG etc..This example embodiment does not limit this.
Image is usually saved as unit of pixel, and each pixel has corresponding color value.Image pressure of the invention
Contracting method especially suitable for bianry image, for example, monochrome image or other there are two types of the images of tonal gradation.In two-value
In image, the color value of each pixel can be indicated with 0 and 1, and 0 can indicate no filling, i.e., no color or white, 1 can
To indicate Fill Color, that is, there is color.In a computer, information can be indicated with binary number, one in binary number
The information for including is 1bit (bit), and therefore, the value that saves colors can be indicated with 1bit.One image can be by multiple pictures
Vegetarian refreshments is constituted, and all pixels for forming the image can be used as the Pixel Information of the image.
It is color value is identical and address is continuously multiple according to the Pixel Information of the target image for step S120
Pixel is divided into pixel group, to obtain at least one pixel group, in this exemplary embodiment, gets the pixel of target image
, can be by target image after information, color value is identical and continuously multiple pixels are divided into pixel group for address.One figure
There can be multiple pixel groups in the Pixel Information of picture.It, can be with by one pixel group of multiple pixel boil down tos in compression algorithm
The memory space boil down to that multiple pixels need will be saved and save the memory space that a pixel group needs；Therefore, it saves more
The memory space that a pixel needs, which should be greater than, saves the memory space that a pixel group needs.A threshold value can be set, when
When color value is identical and the continuous pixel number in address is more than threshold value, it is divided into a pixel group, otherwise individually stores pixel
Point.For example, can set a threshold to 32 in one embodiment, the color of each pixel is indicated with one bit, when having
When the identical continuous image vegetarian refreshments number of one section of color is more than 32, it can be stored as pixel group, pixel group can use this section
Color+first address+number of continuous pixel indicates that wherein colour bits are indicated with 1bit, and first address position is indicated with 15bit,
Continuous image vegetarian refreshments length is indicated with 16bit, always stores a pixel group with 4 byte (that is, 32bit) have been used.When continuous
When pixel number is more than threshold value 32, space needed for storing a pixel group is less than the space for individually storing these pixels,
Realize compression purpose.For example, in the above example, when there is color value to be 1 and address continuous 50 in Pixel Information
When a pixel, individually saving these pixels needs 50bit, and after this 50 pixels are divided into a pixel group, storage
Space needed for the pixel group is 32bit.To, can will be all homochromy in the Pixel Information of target image by the above method
And continuous number saves as pixel group more than the continuous image vegetarian refreshments of threshold value.It should be understood that according to different application and platform, storage address
The bit number of position and continuous image vegetarian refreshments number can be different, therefore the setting of threshold value can also be different, as long as meeting one picture of storage
Space needed for element is organized is less than the space for individually storing these pixels.
Certainly, in Pixel Information, can there are many color values different perhaps discontinuous pixel in address or colors
The number of the continuous pixel of value identical address does not reach the pixel of threshold requirement, these pixels can be discrete picture
Vegetarian refreshments, or the pixel for non-pixel group.
Step S130 is illustrated below.In the step, the pixel data of each pixel group is successively saved, and is protected
The pixel of non-pixel group in the Pixel Information is deposited, to generate the compressed data of the target image.Pixel group therein
Pixel data, as set forth above, it is possible to include the address of first pixel in the pixel group, that is, first address；And the pixel
The number of the color value of pixel and continuous pixel in group.Alternatively, the pixel data of pixel group can also include being somebody's turn to do
The address of first pixel and the address of the last one pixel of pixel group and the color value of the pixel group, or most
The address of the latter pixel and the number of pixel and color value.The address of pixel can be pixel in a computer
Storage address, the bit for saving address can be set into, such as 15bit or 8bit etc..Likewise, preservation also can be set
The bit of continuous image vegetarian refreshments number, for example, 16bit, 8bit etc..
The present exemplary embodiment can also include successively being stored in the pixel data of the pixel group in array, and will be non-
The pixel of the pixel group is successively added to the array, to generate the compressed data of the target image.Wherein, pixel group
Pixel data can be used as the element of array and be stored in array, so that all pixel groups are saved as an array；Together
Sample, the pixel of non-pixel group can be used as the element of array, so that the pixel of all non-pixel groups is saved as one
A array.And it is possible to which all pixel groups are saved as an array；The pixel of all non-pixel groups is saved as separately
One array；Then the two arrays are merged into one；It can will save the last one element of the array of pixel group and protect
The first element for depositing the array of the pixel of non-pixel group is connected, to merge into an array.Alternatively, can be according to target figure
The sequence of each pixel in the Pixel Information of picture, using the pixel of pixel group and non-pixel group as the member of the same array
Element saves as an array.Then, above-mentioned array is saved as into compressed data.
Below with reference to Fig. 2, the exemplary flow of compression method of the invention is can be achieved in description one, and the process is by host side
It executes, including step S201 to step S210.It should be understood that there are many ways to present invention implementation, is not limited to provided herein
Details.
Firstly, reading image in step S201, obtaining first pixel.In step S202, current pixel point is made
For mark point.Then, step S203 is executed, judges whether current pixel is identical as mark point, that is, judge current pixel point
It is whether identical as mark point color value.If identical, S204 is thened follow the steps.In step S204, current pixel point and mark are recorded
Pixel number between note point, that is, continuous image vegetarian refreshments number.Step S204 have recorded continuous image vegetarian refreshments number it
Afterwards, step S205 judges whether current pixel point is the last one pixel, or judges whether the serial number of current pixel point surpasses
The sum of all pixels point in Pixel Information is crossed to judge.
If determining to be not up to the last one pixel in step S205, S207 is thened follow the steps, next pixel is read
Point, as current pixel point, then, process repeats step S203-S207, until the color of current pixel point and mark point
Until value is different.
If determining that current pixel is different from the color value of mark point, thens follow the steps S208 in step S203,
Judge whether the pixel number between the current pixel point and mark point of record is greater than preset threshold.If step S208 determines
When the number is greater than preset threshold, then step S209 is proceeded to, records pixel set data, it will be multiple in addition to current pixel point
Pixel is divided into a pixel group, saves to the pixel data of the pixel group.If the number is not more than preset threshold,
So execute step S210, color is identical but quantity is not up to the pixel of threshold value for record, that is, records the pixel of non-pixel group
Point.After executing the step S209 or step S210, step S202 is executed, current pixel point is switched to mark point, and after
Continuous the step of executing S203-S207, until being judged to reaching the last one pixel in step S205.
If determining to have reached the last one pixel in step S205, that is, compression is completed, and is thened follow the steps S206, is obtained
Compressed data is taken, that is, obtains the pixel of pixel group and non-pixel group.
Next, the image data saved as described above is encapsulated into one or more compressed packages, to be transmitted；It is small
After type terminal obtains those compressed packages, by reading the header information of compressed package, and based on the pressure obtained from each compressed package
Contracting data convert goes out target image, to perform image display.
In addition, in this embodiment, the pixel of the pixel data of pixel group and non-pixel group is saved in array, but
It should be understood that can also be stored in other data structures, such as storehouse, set etc..
In encapsulation process, it will be encapsulated into the total of total and non-pixel group the pixel of the pixel group of the data packet first
Number is stored in the head of compressed package.On the one hand, the sum for saving the sum and non-pixel group pixel of pixel group can prevent from pressing
When contracting data are acquired, there is the problem of loss of data；On the other hand, it when obtaining compressed data, can tell more quickly
Which is the pixel data of pixel group in compressed data, which is the pixel of non-pixel group.
After Miniature Terminal receives compressed package, the total and non-pixel group pixel of pixel group is obtained from the head of compressed package
Sum, picture of point are divided into the information such as several compressed packages, compressed package size.Transmission and processing for compressed package can use
Technology commonly used in the art, I will not elaborate.Based on the compressed data obtained in compressed package, Miniature Terminal executes decompression
And the picture recovered is displayed on the screen.
A kind of monochrome image decompressing method is additionally provided in this example embodiment.It should be understood that the decompressing method is above-mentioned
The inverse process of compression method.As shown in figure 3, the method comprising the steps of S310, S320, S330.Wherein：
Step S310 obtains the compressed data of target image, wherein includes at least one pixel group in the compressed data
And multiple pixels of non-pixel group；
Step S320 parses the pixel group, and to obtain, at least one set of color value is identical and the continuous pixel in address；
Step S330, multiple pixels of the continuous pixel in and address identical according to the color value and the non-pixel group
Point is combined into complete Pixel Information.
It is parsed in compressed data according to the monochrome image decompressing method in this example embodiment by obtaining compressed data
Pixel group color value is identical and the continuous pixel in address to obtain, the continuous pixel in and address identical according to color value and
The pixel of non-pixel group, combines complete Pixel Information, lossless decompressed image may be implemented, also, decompression algorithm is simple, can
Speed is decompressed to improve；It in addition, required stack space is small, can be applied on Miniature Terminal, enhance versatility.
In the following, being carried out more in conjunction with each step of the Fig. 3 and Fig. 4 to the monochrome image decompressing method in this example embodiment
Detailed description.
Step S310 obtains the compressed data of target image, wherein includes at least one pixel group in the compressed data
And multiple pixels of non-pixel group.
Target image is the image for needing to decompress.The compressed data of target image can be target image and protect after overcompression
The data deposited pass through the Pixel Information of the available target image of compressed data.Compressed data may include at least one pixel
Multiple pixels of group and non-pixel group.Pixel group can be the set of the identical pixel of multiple color values.Non- pixel group
Pixel can be an individual pixel, which also has the color value of itself.Pixel group and non-pixel group
Pixel can be saved with array form or other forms save, for example, set, queue, chained list etc..This example is implemented
Example does not do particular determination to this.
Step S320 parses the pixel group, and to obtain, at least one set of color value is identical and the continuous pixel in address.
In this exemplary embodiment, the pixel data for including in the available pixel group of pixel group is parsed, pixel number is analyzed
According to obtain out that one group of color value is identical and the continuous multiple pixels in address.Pixel data can be the starting of pixel group
The color value or other information of address, the number of continuous pixel and pixel, for example, the initial address of pixel group and
Termination address, color value etc..Multiple pixels can be restored using these information, it is identical that these pixels can be color value
And the continuous multiple pixels in address.Pixel group all in compressed data is parsed, available multiple groups color value is identical simultaneously
The continuous multiple pixels in address.
Further, it can also be calculated between every sets of adjacent pixels according to the pixel data for including in each pixel group
The number of the pixel of non-pixel group.It can be calculated according to the initial address of sets of adjacent pixels and the number of continuous pixel
The number of the pixel of non-pixel group between sets of adjacent pixels out.It can also be according to the end of the previous pixel group of sets of adjacent pixels
Only address calculates the pixel for the non-pixel group for including between two adjacent pixel groups with the initial address of the latter pixel group
The number of point.
Step S330, multiple pixels of the continuous pixel in and address identical according to the color value and the non-pixel group
Point is combined into complete Pixel Information.
In the exemplary embodiment, parse that color value is identical and the continuous pixel in address, by these pixels and non-picture
Multiple pixels of element group are combined, available complete Pixel Information.
Further, in order to guarantee the accuracy of combined Pixel Information, pixel group in compressed data can also be obtained
The total sum with the pixel of non-pixel group, sum and calculating according to the sum of pixel group with the pixel of non-pixel group
The pixel number of non-pixel group, is combined into correct Pixel Information between every sets of adjacent pixels out.It is parsed for example, setting
It is 1 that first pixel group, which is color value, continuous 50 pixels in address, and second pixel group is 70 pictures that color value is 0
Vegetarian refreshments, the quantity for calculating the pixel of the non-pixel group between first pixel group and second pixel group is 20, then will
First group of 50 pixels are connect with 20 pixel, reconnect second group of 70 pixels behind.
In order to be described more fully the process of combination complete pixel information, this example embodiment can also include step
S401 to step S408.As shown in figure 4, wherein：
Step S401, obtains compressed data, which can be the compressed data of the target image in step S310.
Step S402 extracts multiple pixels of pixel group and non-pixel group in compressed data, the picture of pixel group and non-pixel group
Vegetarian refreshments can be an array.Step S403 judges whether the data extracted are pixel group, if so, thening follow the steps
S405, step S405 judge whether pixel group extracts completion, can be judged by the sum of the pixel group in compressed data, such as
Fruit pixel group, which is extracted, completes to then follow the steps S407, and step S407 judges whether decompression is completed, if it is judged that decompression is completed, then
Step S408 is executed, step S408 exports complete Pixel Information；If not S404 is thened follow the steps, step S404 obtains picture
Vegetarian refreshments obtains the pixel of non-pixel group, then execute step S405, if step S405 determines that pixel group has not been extracted
At thening follow the steps S406, color value is identical in the available pixel group of step S406 and the continuous multiple pixels in address, i.e.,
Multiple pixels that pixel group includes are restored, step S407 is then executed and judges whether decompression is completed,；If it is judged that decompression
It does not complete, thens follow the steps S403, judge whether next data are pixel group.
The device of the invention embodiment introduced below can be used for executing the above-mentioned monochromatic picture compression method of the present invention.
As shown in figure 5, the monochromatic picture compression set 500 may include：
Image acquisition unit 510, for obtaining the Pixel Information of target image to be compressed；
Pixel group acquiring unit 520 is identical by color value and address connects for the Pixel Information according to the target image
Continuous multiple pixels are divided into pixel group, to obtain at least one pixel group；
Compression unit 530 for successively saving the pixel data of each pixel group, and saves in the Pixel Information
The pixel of the non-pixel group, to generate the compressed data of the target image.
Each functional module and above-mentioned monochromatic picture due to the monochromatic picture compression set of example embodiments of the present invention
The step of example embodiment of compression method, is corresponding, therefore for undisclosed details in apparatus of the present invention embodiment, please refers to
The embodiment of the above-mentioned monochromatic picture compression method of the present invention.
The invention also includes another Installation practice, it can be used for executing the above-mentioned monochromatic picture decompressor of the present invention
Method.As shown in fig. 6, the monochromatic picture decompression device 600 may include：
Data capture unit 610, for obtaining the compressed data of target image, wherein include extremely in the compressed data
Multiple pixels of a few pixel group and non-pixel group；
Resolution unit 620, for parsing the pixel group, to obtain, at least one set of color value is identical and the continuous picture in address
Vegetarian refreshments；
Information acquisition unit 630, for the continuous pixel in identical and address according to the color value and the non-pixel
Multiple pixels of group, are combined into complete Pixel Information.
Due to each functional module of monochromatic picture decompression device of the invention and showing for above-mentioned monochromatic picture decompressing method
The step of example embodiment, is corresponding, therefore for details, is not repeated herein.
Below with reference to Fig. 7, it illustrates the computer systems 700 for the electronic equipment for being suitable for being used to realize the embodiment of the present invention
Structural schematic diagram.The computer system 700 of electronic equipment shown in Fig. 7 is only an example, should not be to the embodiment of the present invention
Function and use scope bring any restrictions.
As shown in fig. 7, computer system 700 includes central processing unit (CPU) 701, it can be read-only according to being stored in
Program in memory (ROM) 702 or be loaded into the program in random access storage device (RAM) 703 from storage section 708 and
Execute various movements appropriate and processing.In RAM 703, it is also stored with various programs and data needed for system operatio.CPU
701, ROM 702 and RAM 703 is connected with each other by bus 704.Input/output (I/O) interface 705 is also connected to bus
704。
I/O interface 705 is connected to lower component：Importation 706 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 707 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 708 including hard disk etc.；
And the communications portion 709 of the network interface card including LAN card, modem etc..Communications portion 709 via such as because
The network of spy's net executes communication process.Driver 710 is also connected to I/O interface 705 as needed.Detachable media 711, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 710, in order to read from thereon
Computer program be mounted into storage section 708 as needed.
Particularly, according to an embodiment of the invention, may be implemented as computer above with reference to the process of flow chart description
Software program.For example, the embodiment of the present invention includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communications portion 709, and/or from detachable media
711 are mounted.When the computer program is executed by central processing unit (CPU) 701, executes and limited in the system of the application
Above-mentioned function.
It should be noted that computer-readable medium shown in the present invention can be computer-readable signal media or meter
Calculation machine readable storage medium storing program for executing either the two any combination.Computer readable storage medium for example can be --- but not
Be limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor system, device or device, or any above combination.Meter
The more specific example of calculation machine readable storage medium storing program for executing can include but is not limited to：Electrical connection with one or more conducting wires, just
Taking formula computer disk, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type may be programmed read-only storage
Device (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device,
Or above-mentioned any appropriate combination.In the present invention, computer readable storage medium can be it is any include or storage journey
The tangible medium of sequence, the program can be commanded execution system, device or device use or in connection.And at this
In invention, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.Include on computer-readable medium
Program code can transmit with any suitable medium, including but not limited to：Wirelessly, electric wire, optical cable, RF etc. or above-mentioned
Any appropriate combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of above-mentioned module, program segment or code include one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram or flow chart and the box in block diagram or flow chart, can use and execute rule
The dedicated hardware based systems of fixed functions or operations is realized, or can use the group of specialized hardware and computer instruction
It closes to realize.
Being described in unit involved in the embodiment of the present invention can be realized by way of software, can also be by hard
The mode of part realizes that described unit also can be set in the processor.Wherein, the title of these units is in certain situation
Under do not constitute restriction to the unit itself.
On the other hand, present invention also provides a kind of computer-readable medium, which can be above-mentioned
Included in electronic equipment described in embodiment；It is also possible to individualism, and without in the supplying electronic equipment.It is above-mentioned
Computer-readable medium carries one or more program, when the electronic equipment is held by one for said one or multiple programs
When row, so that the electronic equipment realizes such as above-mentioned monochrome image compression method as described in the examples or monochrome image decompressor
Method.
It should be noted that although being referred to several modules or list for acting the equipment executed in the above detailed description
Member, but this division is not enforceable.In fact, embodiment according to the present invention, it is above-described two or more
Module or the feature and function of unit can embody in a module or unit.Conversely, an above-described mould
The feature and function of block or unit can be to be embodied by multiple modules or unit with further division.
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to the present invention
The technical solution of embodiment can be embodied in the form of software products, which can store non-volatile at one
Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are so that a calculating
Equipment (can be personal computer, server, touch control terminal or network equipment etc.) executes embodiment according to the present invention
Method.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (15)
1. a kind of monochrome image compression method, which is characterized in that including：
Obtain the Pixel Information of target image to be compressed；
According to the Pixel Information of the target image, by color value is identical and continuously multiple pixels are divided into pixel for address
Group, to obtain at least one pixel group；
The pixel data of each pixel group is successively saved, and saves the pixel of non-pixel group in the Pixel Information, with
Generate the compressed data of the target image.
2. monochrome image compression method according to claim 1, which is characterized in that described successively to save each pixel
The pixel data of group, including：
Successively save the color value of the continuous pixel of each pixel group, the number of initial address and pixel.
3. monochrome image compression method according to claim 1, which is characterized in that described successively to save each pixel
The pixel data of group, including：
Successively save color value, initial address and the termination address of the continuous pixel of each pixel group.
4. monochrome image compression method according to claim 1, which is characterized in that described successively to save each pixel
The pixel data of group, including：
Successively save the color value of the continuous pixel of each pixel group, the number of termination address and pixel.
5. the method for compressing image according to any one of claim 2-4, which is characterized in that described successively to save each institute
The pixel data of pixel group is stated, and saves the pixel of non-pixel group in the Pixel Information, to generate the target image
Compressed data, including：
The pixel data of the pixel group is successively stored in an array, and the pixel of the non-pixel group is successively protected
There are in another array, to generate the compressed data of the target image.
6. the monochrome image compression method according to any one of claim 2-4, which is characterized in that described successively to save respectively
The pixel data of a pixel group, and the pixel of non-pixel group in the Pixel Information is saved, to generate the target figure
The compressed data of picture, including：
The pixel data of the pixel group is successively stored in array, and the pixel of the non-pixel group is successively added to
The array, to generate the compressed data of the target image.
7. a kind of monochrome image decompressing method, the achromatic map for being compressed to monochrome image compression method according to claim 1
As being decompressed, which is characterized in that including：
Obtain the compressed data of the target image, wherein include at least one pixel group and non-pixel in the compressed data
Multiple pixels of group；
The pixel group is parsed, at least one set of color value is identical and the continuous pixel in address to obtain；
According to the initial address and termination address of pixel continuous in the pixel group, the non-picture between pixel group is determined
The address of the pixel of element group and number, recover the Pixel Information of complete target image.
8. monochrome image decompressing method according to claim 7, which is characterized in that the parsing pixel group, to obtain
Take at least one set of color value identical and the continuous pixel in address, including：
The color value for the continuous pixel for including in the pixel group, the number of initial address and pixel are extracted, is generated extremely
Few one group of color value is identical and the continuous pixel in address.
9. monochrome image decompressing method according to claim 7, which is characterized in that the parsing pixel group, to obtain
Take at least one set of color value identical and the continuous pixel in address, including：
Color value, initial address and the termination address of the continuous pixel for including in the pixel group are extracted, generates at least one
Color value is identical and the continuous pixel in address for group.
10. monochrome image decompressing method according to claim 7, which is characterized in that the parsing pixel group, to obtain
Take at least one set of color value identical and the continuous pixel in address, including：
The color value for the continuous pixel for including in the pixel group, the number of final position and pixel are extracted, is generated extremely
Few one group of color value is identical and the continuous pixel in address.
11. monochrome image decompressing method according to claim 8, which is characterized in that the method also includes：
According to the number of the initial address and the continuous pixel that include in each pixel group, calculate per adjacent
The number of the pixel of the non-pixel group between pixel group.
12. a kind of monochrome image compression set, which is characterized in that including：
Image acquisition unit, for obtaining the Pixel Information of target image to be compressed；
Pixel group acquiring unit is identical by color value and address is continuously more for the Pixel Information according to the target image
A pixel is divided into pixel group, to obtain at least one pixel group；
Compression unit for successively saving the pixel data of each pixel group, and saves non-described in the Pixel Information
The pixel of pixel group, to generate the compressed data of the target image.
13. a kind of monochrome image decompression device, which is characterized in that including：
Data capture unit, for obtaining the compressed data of target image, wherein include at least one picture in the compressed data
Multiple pixels of plain group and non-pixel group；
Resolution unit, for parsing the pixel group, to obtain, at least one set of color value is identical and the continuous pixel in address；
Information acquisition unit, for the multiple of the continuous pixel in identical and address according to the color value and the non-pixel group
Pixel is combined into complete Pixel Information.
14. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that described program is held by processor
The monochrome as described in any one of monochrome image compression method described in any one of claims 1 to 6 or 7 to 11 is realized when row
Image decompression method.
15. a kind of electronic equipment, which is characterized in that including：
One or more processors；
Storage device, for storing one or more programs, when one or more of programs are by one or more of processing
When device executes, so that one or more of processors realize that monochrome image described in any one of claims 1 to 6 such as compresses
Monochrome image decompressing method described in any one of method or 7 to 11.
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