CN110263193A - A kind of picture file storage method and device - Google Patents
A kind of picture file storage method and device Download PDFInfo
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- CN110263193A CN110263193A CN201910466928.1A CN201910466928A CN110263193A CN 110263193 A CN110263193 A CN 110263193A CN 201910466928 A CN201910466928 A CN 201910466928A CN 110263193 A CN110263193 A CN 110263193A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/51—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
Abstract
The invention discloses a kind of picture file storage method and devices, by the distributed storage of image lossless in each memory node of distributed memory system, and in the case where lost part image block, original image can be carried out to the recovery of efficient lossless, prevent file corruption, the file of new generation, when there is partial destruction, Ren Ranneng restores all information of original image, only clarity will receive influence, newly-generated picture file is when carrying out resolution compression, several copies can be directly selected to be synthesized, the efficiency of resolution compression output can greatly be promoted, newly-generated picture file is when carrying out resolution extension, the recycling copy that can be spaced is pieced together, the efficiency of resolution extension output can greatly be promoted.
Description
Technical field
This disclosure relates to image procossing and file field of storage, and in particular to a kind of picture file storage method and device.
Background technique
The storage of original image data is generally stored using the tactic method of pixel, such storage side
Method when file corruption, can it is permanent damage fall picture a part, while carry out picture resolution adjustment when
Wait, it is also more inefficient, and carry out compression of images, then can the pixel of lost part image made so that original image can not restore
At permanent damage, a kind of storage method of new picture element data of the invention can overcome above-mentioned two
Problem.
Summary of the invention
The disclosure provides a kind of picture file storage method and device, and the distributed storage of image lossless is deposited in distribution
In each memory node of storage system, and in the case where lost part image block, original image can be carried out efficient
Lossless recovery.
To achieve the goals above, according to the one side of the disclosure, a kind of picture file storage method, the method are provided
The following steps are included:
Step 1, picture to be processed is reduced to the original bitmap file of Bitmap format；
Step 2, the width and height of original bitmap file are obtained；
Step 3, the quantity of complementary picture copy is set up, the quantity of complementary picture copy is N=max (original bitmap file
Width, the height of original bitmap file)/256；
Step 4, the wide quantity divided by complementary picture copy of original bitmap file, obtains the width of segmentation rectangle after rounding,
The width of original bitmap file is divided into N number of wide equal part by wide according to segmentation rectangle, in wide division position with width equal part
Line is marked；
Step 5, the high quantity divided by complementary picture copy of original bitmap file, obtains the height of segmentation rectangle after rounding,
The height of original bitmap file is divided into N number of high equal part according to the height of segmentation rectangle, in high division position with height equal part
Line is marked；
Step 6, original bitmap file division is N*N rectangle by width bisector and height bisector, according to rectangle general
Picture segmentation is N*N rectangle picture；
Step 7, take a little from N*N rectangle picture by the sequence of the pixel of image array, by all histograms
The ith pixel point of piece is combined into the i-th picture copy, is combined sequentially into M picture copy, and i=1 to M, M are rectangle picture picture
The number of element；
Step 8, M picture copy is combined into a bitmap file according to 1 to M sequential connection.
Further, in step 1, the format of the picture to be processed is to appoint in bmp, jpg, png, tif, gif, psd
It anticipates one kind, original bitmap file (Bitmap format, i.e. bitmap) is bmp formatted file.
Further, in step 3, the quantity of complementary picture copy is set up, i.e., picture is split into how many can be mutual
The copy of the low resolution of benefit, complementary picture copy are the copy that can carry out complementary low resolution, complementary picture copy
Quantity is N, N=max (width of original bitmap file, the height of original bitmap file)/256, because general minimum thumbnail is
This size can obtain preferable comprehensive performance on the basis of this size, wherein and max (width of original bitmap file, it is former
The height of beginning bitmap file) be original bitmap file width and original bitmap file height between maximum value, the picture copy
It is bmp formatted file for Bitmap picture format.
Further, in step 4, described to be rounded only to take the wide divided by wide whole after compression of original bitmap file
Number part, the width bisector are the wide width marker at the wide edge of original bitmap file every segmentation rectangle
Line, i.e. width bisector are every one line of distance W=W*i label, and W is the width for dividing rectangle, and i is one every time plus 1 passs
The variable of increasing, i initial value are 1.
Further, in steps of 5, described to be rounded only to take the high divided by high whole after compression of original bitmap file
Number part, the height bisector are the high number of altitude at the high edge of original bitmap file every segmentation rectangle
Line, i.e. height bisector are every one line of distance H=H*j label, and H is the height for dividing rectangle, and j is one every time plus 1 passs
The variable of increasing, j initial value are 1.
Further, in step 7, the method for the ith pixel point of all rectangle pictures being combined into the i-th picture copy
Successively to take each pixel to be combined into M picture copy, of picture copy according to the pixel dot sequency of image array
Number be pixel number, capture vegetarian refreshments be still rectangle picture in the position in synthesising picture copy where original ranks
Original bitmap file division is the ranks of N*N rectangle in width bisector and height bisector by formula, i.e., original rectangle picture,
So now the pixel that takes of the rectangle picture still in the corresponding ranks for being combined into picture copy, i=1 to M, M are rectangle
The number of picture pixels；
Further, in step 8, M picture copy is combined into a bitmap text according to 1 to M sequential connection
Part splices the pixel at edge, sequencing, that is, width bisector and height i.e. by M picture copy according to sequencing
Original bitmap file division is the ranks of N*N rectangle by bisector.
The present invention also provides a kind of picture file storage device, described device includes: memory, processor and storage
In the memory and the computer program that can run on the processor, the processor execute the computer program
It operates in the unit of following device:
Bitmap reduction unit, for picture to be processed to be reduced to the original bitmap file of Bitmap format；
The wide high acquiring unit of bitmap, for obtaining the width and height of original bitmap file；
Copy amount setting unit, for setting up the quantity of complementary picture copy, the quantity of complementary picture copy is N=
Max (width of original bitmap file, the height of original bitmap file)/256；
Width bisector unit, for the wide quantity divided by complementary picture copy in original bitmap file, after rounding
To the width of segmentation rectangle, the width of original bitmap file is divided into N number of wide equal part by wide according to segmentation rectangle, in wide division
Position is marked with width bisector；
Height bisector unit obtains after rounding for the high quantity divided by complementary picture copy of original bitmap file
The height of original bitmap file is divided into N number of high equal part according to the height of segmentation rectangle, in high division position by the height for dividing rectangle
It sets and is marked with height bisector；
Rectangle cutting unit, for by width bisector and height bisector that original bitmap file division is a for N*N
Rectangle, according to rectangle by picture segmentation be N*N rectangle picture；
Picture copy assembled unit, for being taken from N*N rectangle picture by the sequence of the pixel of image array
The ith pixel point of all rectangle pictures is combined into the i-th picture copy, is combined sequentially into M picture copy, i=1 is arrived by point
M, M are the number of rectangle picture pixels；
Copy connection unit, for M picture copy to be combined into a bitmap file according to 1 to M sequential connection.
The disclosure has the beneficial effect that the present invention provides a kind of picture file storage method and device, it has the advantage that:
1. preventing file corruption, the file of new generation, when there is partial destruction, Ren Ranneng restores original graph
All information of piece, only clarity will receive influence；
2. newly-generated picture file when carrying out resolution compression, can directly select several copies and be closed
At, can greatly be promoted resolution compression output efficiency；
3. newly-generated picture file, when carrying out resolution extension, the recycling copy that can be spaced is spelled
It gathers, can greatly promote the efficiency of resolution extension output.
Detailed description of the invention
By the way that the embodiment in conjunction with shown by attached drawing is described in detail, above-mentioned and other features of the disclosure will
More obvious, identical reference label indicates the same or similar element in disclosure attached drawing, it should be apparent that, it is described below
Attached drawing be only some embodiments of the present disclosure, for those of ordinary skill in the art, do not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings, in the accompanying drawings:
Fig. 1 show a kind of flow chart of picture file storage method；
Fig. 2 show a kind of picture file storage device figure.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the disclosure, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose, scheme and effect of the disclosure.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
It is as shown in Figure 1 to be illustrated according to a kind of flow chart of picture file storage method of the disclosure below with reference to Fig. 1
According to a kind of picture file storage method of embodiment of the present disclosure.
The disclosure proposes a kind of picture file storage method, specifically includes the following steps:
Step 1, picture to be processed is reduced to the original bitmap file of Bitmap format；
Step 2, the width and height of original bitmap file are obtained；
Step 3, the quantity of complementary picture copy is set up, the quantity of complementary picture copy is N=max (original bitmap file
Width, the height of original bitmap file)/256；
Step 4, the wide quantity divided by complementary picture copy of original bitmap file, obtains the width of segmentation rectangle after rounding,
The width of original bitmap file is divided into N number of wide equal part by wide according to segmentation rectangle, in wide division position with width equal part
Line is marked；
Step 5, the high quantity divided by complementary picture copy of original bitmap file, obtains the height of segmentation rectangle after rounding,
The height of original bitmap file is divided into N number of high equal part according to the height of segmentation rectangle, in high division position with height equal part
Line is marked；
Step 6, original bitmap file division is N*N rectangle by width bisector and height bisector, according to rectangle general
Picture segmentation is N*N rectangle picture；
Step 7, take a little from N*N rectangle picture by the sequence of the pixel of image array, by all histograms
The ith pixel point of piece is combined into the i-th picture copy, is combined sequentially into M picture copy, and i=1 to M, M are rectangle picture picture
The number of element；
Step 8, M picture copy is combined into a bitmap file according to 1 to M sequential connection.
Further, in step 1, the format of the picture to be processed is to appoint in bmp, jpg, png, tif, gif, psd
It anticipates one kind, original bitmap file is bmp formatted file.
Further, in step 3, the quantity of complementary picture copy is set up, i.e., picture is split into how many can be mutual
The copy of the low resolution of benefit, complementary picture copy are the copy that can carry out complementary low resolution, complementary picture copy
Quantity is N, N=max (width of original bitmap file, the height of original bitmap file)/256, because general minimum thumbnail is
This size can obtain preferable comprehensive performance on the basis of this size, wherein and max (width of original bitmap file, it is former
The height of beginning bitmap file) be original bitmap file width and original bitmap file height between maximum value, the picture copy
It is bmp formatted file for Bitmap picture format.
Further, in step 4, described to be rounded only to take the wide divided by wide whole after compression of original bitmap file
Number part, the width bisector are the wide width marker at the wide edge of original bitmap file every segmentation rectangle
Line, i.e. width bisector are every one line of distance W=W*i label, and W is the width for dividing rectangle, and i is one every time plus 1 passs
The variable of increasing, i initial value are 1.
Further, in steps of 5, described to be rounded only to take the high divided by high whole after compression of original bitmap file
Number part, the height bisector are the high number of altitude at the high edge of original bitmap file every segmentation rectangle
Line, i.e. height bisector are every one line of distance H=H*j label, and H is the height for dividing rectangle, and j is one every time plus 1 passs
The variable of increasing, j initial value are 1.
Further, in step 7, the method for the ith pixel point of all rectangle pictures being combined into the i-th picture copy
Successively to take each pixel to be combined into M picture copy, of picture copy according to the pixel dot sequency of image array
Number be pixel number, capture vegetarian refreshments be still rectangle picture in the position in synthesising picture copy where original ranks
Original bitmap file division is the ranks of N*N rectangle in width bisector and height bisector by formula, i.e., original rectangle picture,
So now the pixel that takes of the rectangle picture still in the corresponding ranks for being combined into picture copy, i=1 to M, M are rectangle
The number of picture pixels；
Further, in step 8, M picture copy is combined into a bitmap text according to 1 to M sequential connection
Part splices the pixel at edge, sequencing, that is, width bisector and height i.e. by M picture copy according to sequencing
Original bitmap file division is the ranks of N*N rectangle by bisector.
A kind of picture file storage device that embodiment of the disclosure provides, is illustrated in figure 2 a kind of picture of the disclosure
File storage device figure, a kind of picture file storage device of the embodiment include: processor, memory and are stored in described
In memory and the computer program that can run on the processor, the processor are realized when executing the computer program
Step in a kind of above-mentioned picture file memory device embodiment.
Described device includes: memory, processor and storage in the memory and can transport on the processor
Capable computer program, the processor execute the computer program and operate in the unit of following device:
Bitmap reduction unit, for picture to be processed to be reduced to the original bitmap file of Bitmap format；
The wide high acquiring unit of bitmap, for obtaining the width and height of original bitmap file；
Copy amount setting unit, for setting up the quantity of complementary picture copy, the quantity of complementary picture copy is N=
Max (width of original bitmap file, the height of original bitmap file)/256；
Width bisector unit, for the wide quantity divided by complementary picture copy in original bitmap file, after rounding
To the width of segmentation rectangle, the width of original bitmap file is divided into N number of wide equal part by wide according to segmentation rectangle, in wide division
Position is marked with width bisector；
Height bisector unit obtains after rounding for the high quantity divided by complementary picture copy of original bitmap file
The height of original bitmap file is divided into N number of high equal part according to the height of segmentation rectangle, in high division position by the height for dividing rectangle
It sets and is marked with height bisector；
Rectangle cutting unit, for by width bisector and height bisector that original bitmap file division is a for N*N
Rectangle, according to rectangle by picture segmentation be N*N rectangle picture；
Picture copy assembled unit, for being taken from N*N rectangle picture by the sequence of the pixel of image array
The ith pixel point of all rectangle pictures is combined into the i-th picture copy, is combined sequentially into M picture copy, i=1 is arrived by point
M, M are the number of rectangle picture pixels；
Copy connection unit, for M picture copy to be combined into a bitmap file according to 1 to M sequential connection.
A kind of picture file storage device can run on desktop PC, notebook, palm PC and cloud
Server etc. calculates in equipment.A kind of picture file storage device, the device that can be run may include, but be not limited only to, place
Manage device, memory.It will be understood by those skilled in the art that the example is only a kind of example of picture file storage device,
The restriction to a kind of picture file storage device is not constituted, may include component more more or fewer than example, or combination
Certain components or different components, such as a kind of picture file storage device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor is a kind of control centre of picture file storage device running gear, utilizes various interfaces and route
A kind of entire picture file storage device of connection can running gear various pieces.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, described in realization
A kind of various functions of picture file storage device.The memory can mainly include storing program area and storage data area,
In, storing program area can application program needed for storage program area, at least one function (such as sound-playing function, image
Playing function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, phone directory according to mobile phone
Deng) etc..In addition, memory may include high-speed random access memory, it can also include nonvolatile memory, such as firmly
Disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital,
SD) block, flash card (Flash Card), at least one disk memory, flush memory device or other volatile solid-states
Part.
Although the description of the disclosure is quite detailed and especially several embodiments are described, it is not
Any of these details or embodiment or any specific embodiments are intended to be limited to, but should be considered as is by reference to appended
A possibility that claim provides broad sense in view of the prior art for these claims explanation, to effectively cover the disclosure
Preset range.In addition, the disclosure is described with inventor's foreseeable embodiment above, its purpose is to be provided with
Description, and those equivalent modifications that the disclosure can be still represented to the unsubstantiality change of the disclosure still unforeseen at present.
Claims (8)
1. a kind of picture file storage method, which is characterized in that the described method comprises the following steps:
Step 1, picture to be processed is reduced to the original bitmap file of Bitmap format；
Step 2, the width and height of original bitmap file are obtained；
Step 3, set up the quantity of complementary picture copy, the quantity of complementary picture copy be N=max (width of original bitmap file,
The height of original bitmap file)/256；
Step 4, the wide quantity divided by complementary picture copy of original bitmap file, obtains the width of segmentation rectangle after rounding, according to
The width of original bitmap file is divided into N number of wide equal part by the wide of segmentation rectangle, wide division position with width bisector into
Line flag；
Step 5, the high quantity divided by complementary picture copy of original bitmap file, obtains the height of segmentation rectangle after rounding, according to
The height of original bitmap file is divided into N number of high equal part by the height of segmentation rectangle, high division position with height bisector into
Line flag；
Step 6, original bitmap file division is N*N rectangle by width bisector and height bisector, according to rectangle by picture
It is divided into N*N rectangle picture；
Step 7, take a little from N*N rectangle picture by the sequence of the pixel of image array, by all rectangle pictures
Ith pixel point is combined into the i-th picture copy, is combined sequentially into M picture copy, and i=1 to M, M are rectangle picture pixels
Number；
Step 8, M picture copy is combined into a bitmap file according to 1 to M sequential connection.
2. a kind of picture file storage method according to claim 1, which is characterized in that in step 1, described to be processed
The format of picture is any one in bmp, jpg, png, tif, gif, psd, and original bitmap file is bmp formatted file.
3. a kind of picture file storage method according to claim 2, which is characterized in that in step 3, set up complementation map
Picture, i.e., is split into the copy of how many low resolution that can be complementary by the quantity of piece copy, and complementary picture copy is can be with
The copy of complementary low resolution is carried out, the quantity of complementary picture copy is N, N=max (width of original bitmap file, raw bits
The height of map file)/256, wherein max (width of original bitmap file, the height of original bitmap file) is the width of original bitmap file
Maximum value between the height of original bitmap file, the picture copy are that Bitmap picture format is bmp formatted file.
4. a kind of picture file storage method according to claim 3, which is characterized in that in step 4, the rounding is
The wide divided by the wide integer part after compression of original bitmap file is only taken, the width bisector is in original bitmap file
Wide edge every segmentation rectangle wide width marker line.
5. a kind of picture file storage method according to claim 4, which is characterized in that in steps of 5, the rounding is
The high divided by the high integer part after compression of original bitmap file is only taken, the height bisector is in original bitmap file
High edge every segmentation rectangle the high number of altitude line.
6. a kind of picture file storage method according to claim 5, which is characterized in that in step 7, by all rectangles
The method that the ith pixel point of picture is combined into the i-th picture copy is, according to the pixel dot sequency of image array, successively takes every
One pixel is combined into M picture copy, and the number of picture copy is pixel number, capture vegetarian refreshments in synthesising picture pair
Position in this is still the original determinant where rectangle picture, i.e., original rectangle picture is in width bisector and height equal part
Original bitmap file division is the ranks of N*N rectangle by line, then the pixel that the present rectangle picture takes still in group
The corresponding ranks of synthesising picture copy, i=1 to M, M are the number of rectangle picture pixels.
7. a kind of picture file storage method according to claim 6, which is characterized in that in step 8, by M picture
Copy is combined into a bitmap file i.e. by M picture copy according to sequencing, by edge according to 1 to M sequential connection
Pixel spliced, original bitmap file division is N*N rectangle by sequencing, that is, width bisector and height bisector
Ranks.
8. a kind of picture file storage device, which is characterized in that described device includes: memory, processor and is stored in institute
The computer program that can be run in memory and on the processor is stated, the processor executes the computer program operation
In the unit of following device:
Bitmap reduction unit, for picture to be processed to be reduced to the original bitmap file of Bitmap format；
The wide high acquiring unit of bitmap, for obtaining the width and height of original bitmap file；
Copy amount setting unit, for setting up the quantity of complementary picture copy, the quantity of complementary picture copy is N=max (former
The width of beginning bitmap file, the height of original bitmap file)/256；
Width bisector unit is divided after rounding for the wide quantity divided by complementary picture copy in original bitmap file
The width of original bitmap file is divided into N number of wide equal part by the width of cutting torch shape, wide according to segmentation rectangle, in wide division position
It is marked with width bisector；
Height bisector unit is divided after rounding for the high quantity divided by complementary picture copy of original bitmap file
The height of original bitmap file is divided into N number of high equal part according to the height of segmentation rectangle by the height of rectangle, high division position with
Height bisector is marked；
Rectangle cutting unit is N*N rectangle for passing through width bisector and height bisector for original bitmap file division,
According to rectangle by picture segmentation be N*N rectangle picture；
Picture copy assembled unit will for take a little from N*N rectangle picture by the sequence of the pixel of image array
The ith pixel point of all rectangle pictures is combined into the i-th picture copy, is combined sequentially into M picture copy, and i=1 to M, M are
The number of rectangle picture pixels；
Copy connection unit, for M picture copy to be combined into a bitmap file according to 1 to M sequential connection.
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| CN103593646A (en) * | 2013-10-16 | 2014-02-19 | 中国计量学院 | Dense crowd abnormal behavior detection method based on micro-behavior analysis |
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