CN114398001B - Super-large sequence image transmission method, device and computer - Google Patents
Super-large sequence image transmission method, device and computer Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0608—Saving storage space on storage systems
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
- G06F9/5022—Mechanisms to release resources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention relates to a transmission method of an oversized sequence image, which comprises the following steps of selecting an image sequence file; step two, calculating the size of each single frame image data in the image sequence file; step three, a plurality of storage spaces with fixed sizes are established in a memory, and the capacity of each storage space is equal to the size of single-frame image data in an image sequence file; step four, respectively reading a plurality of continuous single-frame image data in the image sequence file into a plurality of storage spaces; sequentially displaying and outputting the single-frame image data in the storage spaces; step six, releasing the storage space occupied by the single frame image data after display output; waiting for the next round of continuous reading of a plurality of single-frame image data; seventhly, repeating the fourth step to the sixth step until all single-frame image data in the image sequence file are displayed and output; the invention adopts a fixed cyclic reading mode, so that the size of the image sequence file is not limited.
Description
Technical Field
The invention relates to the technical field of image transmission, in particular to a method and a device for transmitting an oversized sequence image and a computer.
Background
The traditional ultra-large sequence image transmission method is to read the file data into the memory and then output the image. In this case, the memory of the device limits the size of the file. Meanwhile, the initial output of the image needs to be started after all the files are read into the memory, the delay is large, and meanwhile, in the output process, the memory use condition of the device can influence the output stability.
Disclosure of Invention
In order to solve the technical problem that the memory of equipment limits the size of a transmission file in the traditional oversized sequence image transmission method, the invention provides an oversized sequence image transmission method, an oversized sequence image transmission device and a computer.
The technical scheme for solving the technical problems is as follows: a transmission method of super-large sequence image includes the following steps,
step one, selecting an image sequence file;
step two, calculating the size of each single frame image data in the image sequence file;
step three, a plurality of storage spaces with fixed sizes are established in a memory, and the capacity of each storage space is equal to the size of single-frame image data in the image sequence file;
step four, respectively reading a plurality of continuous single-frame image data in the image sequence file into a plurality of storage spaces;
step five, sequentially displaying and outputting the single-frame image data in the storage spaces;
step six, releasing the storage space where the single-frame image data after display output are located; waiting for new single-frame image data to be read in;
and step seven, repeating the step four to the step six until all single-frame image data in the image sequence file are displayed and output.
The beneficial effects of the invention are as follows: according to the invention, through establishing a plurality of storage spaces, single-frame image data of the oversized image sequence file which needs to occupy the extremely large space are read into the plurality of storage spaces, after the single-frame image data in the plurality of storage spaces are displayed and output, the storage spaces are released, new single-frame image data are continuously read in, a fixed cyclic reading mode is adopted, so that the size of the image sequence file is not limited any more, and meanwhile, the requirement on a memory is not increased along with the enlargement of the image sequence file. The storage space is a storage space with a fixed size, and the creation of the storage space is not needed for each reading before the image sequence file is displayed, so that the calculation workload of a CPU is reduced.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the fourth step is specifically to directly read the continuous multiple single-frame image data in the image sequence file into the storage space in the memory by using a multithreading circulation reading method.
The adoption of the further scheme has the beneficial effect that the reading stability is improved by adopting the multi-line Cheng Douqu and circularly reading.
Further, the multithreading circulation reading method specifically comprises the steps of respectively reading a plurality of continuous single-frame image data by adopting a plurality of threads; after each thread finishes reading one single-frame image data, the next single-frame image data to be read is directly read.
Further, the second step is specifically to calculate the size of the single frame image data according to the length, the width and the image format of the single frame image data.
Based on the method for transmitting the oversized sequence image, the invention also provides a device for transmitting the oversized sequence image.
An oversized sequence image transmission device comprises,
the file storage module is used for storing the image sequence file;
the file reading module is used for calculating the size of each single-frame image data in the image sequence file, establishing a plurality of storage spaces with fixed sizes in a memory, wherein the capacity of each storage space is equal to the size of the single-frame image data in the image sequence file, and respectively reading a plurality of continuous single-frame image data in the image sequence file into a plurality of storage spaces;
the sequence display module sequentially displays and outputs the single-frame image data in the storage spaces;
the file reading module is also used for releasing the storage space occupied by the single-frame image data after display output and reading in a plurality of continuous single-frame image data of the next round.
Further, the file reading module is specifically configured to calculate a size of each single-frame image data in the image sequence file, and establish a plurality of storage spaces with fixed sizes in a memory, where each storage space has a size equal to a size of the single-frame image data in the image sequence file; skipping a read-in buffer operation by adopting a multithreading circulation reading method, and directly reading a plurality of continuous single-frame image data in the image sequence file into the storage space in the memory; and reading in a next round of continuous multiple single-frame image data after releasing the storage space where the single-frame image data after display output is located.
Based on the oversized sequence image transmission method, the invention also provides a computer.
A computer comprising a processor and a memory, the memory storing a computer program which when executed by the processor implements the above-described oversized sequence image transmission method.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic diagram of an image reading method;
FIG. 4 is a schematic diagram of a sequential image display and memory release method.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1
As shown in fig. 1, the embodiment provides a method for transmitting an oversized sequence image, which specifically includes the following steps:
step one, selecting an image sequence file;
step two, calculating the size of each single-frame image data in the image sequence file according to the length, the width and the image format of the single-frame image data;
step three, according to the size of the single-frame image data, 100 storage spaces with fixed sizes are built in a memory; each storage space capacity is equal to the size of single-frame image data in the image sequence file;
step four, respectively reading a plurality of single-frame image data in the image sequence file into 100 storage spaces; specifically, a multithreading circulation reading method is adopted, a reading cache operation is skipped, and a plurality of continuous single-frame image data in the image sequence file are directly read into the storage space in the memory; the multithreading circulation reading method specifically comprises the steps of respectively reading a plurality of continuous single-frame image data by adopting a plurality of threads; after each thread finishes reading one single-frame image data, directly reading the next single-frame image data to be read;
step five, sequentially displaying and outputting the single-frame image data in 100 storage spaces;
step six, releasing the storage space occupied by the single-frame image data after display output; waiting for new single-frame image data to be read in;
and step seven, repeating the step four to the step seven until all single-frame image data in the image sequence file are displayed and output.
According to the invention, through establishing a plurality of storage spaces, single-frame image data of the oversized image sequence file which needs to occupy the extremely large space are read into the plurality of storage spaces, after the single-frame image data in the plurality of storage spaces are displayed and output, the storage spaces are released, new single-frame image data are continuously read in, the size of the image sequence file is not limited any more by adopting fixed cyclic reading, and meanwhile, the requirement on a memory is not increased along with the enlargement of the image sequence file.
Example two
As shown in fig. 2, the embodiment provides an oversized sequence image transmission device, which specifically adopts the following scheme that the transmission method involves the following modules: the device comprises a file storage module, a file reading module and a file output module.
Specifically, the file storage module is used for storing the oversized sequence image file;
the file reading module comprises a file blocking module and a multi-line Cheng Xunhuan reading module. The method mainly comprises the following steps:
step 1: and selecting an oversized sequence image file to be output from the file storage module, acquiring the length and the width of a single frame image file in the oversized sequence image file and the data format of the oversized sequence image file, and calculating the size of the space occupied by the single frame image in storage, namely DataSize, according to the length, the width and the data format of the oversized sequence image file.
Step 2: 100 storage spaces with fixed size are opened up in the internal memory. The blocking module blocks the image sequence file according to the frame size, namely, the image sequence file is divided into a plurality of single-frame image files; and the multithreading circulation reading module is used for rapidly reading the single-frame image file. The fast reading method is to skip the frame data package of the image sequence file into the read-in buffer memory and read the frame data package into the memory directly, so as to reduce the data copying process in the program executing process and improve the CPU operation efficiency.
Step 3: in order to ensure the reading stability, a multithreading method is adopted to circularly read the image sequence; as shown in fig. 3, the 1 st frame data is read by using a thread 1, and the 2 nd frame data is read by using a thread 2: after the reading of the 1 st frame data is completed, the thread 1 continues to read the 3 rd frame data, and after the reading of the 2 nd frame data is completed, the thread 2 continues to read the 4 th frame data.
Step 4: after the frame data packet is read into the memory, the sequence display module directly acquires each frame of data from the memory and displays and outputs the frame of data. After the display output, the space occupied by the frame data in the memory is released and the next frame data is waited for filling.
As shown in fig. 4, the sequence display module acquires the filled frame data from the opened memory space, displays the filled frame data and outputs the filled frame data, and simultaneously notifies the file reading module to empty the storage space where the frame data which has been displayed and output is located, and the empty storage space continues to read the next frame data.
Specifically, 100 storage spaces with fixed size are opened up in the memory, each storage space can store at least one frame of image data, file reading 1 is the memory storage condition in the current state, file reading 2 is the condition after the current frame is released, when the computer program is executed, the sequence display module displays 88 th frame of data, and the storage space where the 88 th frame of data is positioned is defined as storage space A; after the 88 th frame data is displayed and output, the storage space where the 88 th frame data is located is emptied; after the storage space of the 88 th frame data is emptied, the following 188 th frame data is read into the storage space A, and the reading is circulated until the oversized sequence image file is completely displayed and output.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A transmission method of an oversized sequence image is characterized in that: comprises the following steps of the method,
step one, selecting an image sequence file;
step two, calculating the size of each single frame image data in the image sequence file;
step three, a plurality of storage spaces with fixed sizes are established in a memory, and the capacity of each storage space is equal to the size of single-frame image data in the image sequence file;
step four, respectively reading a plurality of continuous single-frame image data in the image sequence file into a plurality of storage spaces of the memory;
step five, sequentially displaying and outputting the single-frame image data in the storage spaces;
step six, releasing the storage space occupied by the single-frame image data after display output; waiting for the next round of continuous reading of a plurality of single-frame image data;
and step seven, repeating the step four to the step six until all single-frame image data in the image sequence file are displayed and output.
2. The oversized sequence image transmission method of claim 1, characterized in that: and step four, namely, a multithreading circulation reading method is adopted to directly read a plurality of continuous single-frame image data in the image sequence file into the storage space in the memory.
3. The oversized sequence image transmission method of claim 2, characterized in that: the multithreading circulation reading method specifically comprises the steps of respectively reading a plurality of continuous single-frame image data by adopting a plurality of threads; after each thread finishes reading one single-frame image data, the next single-frame image data to be read is directly read.
4. The oversized sequence image transmission method of claim 1, characterized in that: and step two, specifically, calculating the size of the single-frame image data according to the length, the width and the image format of the single-frame image data.
5. An oversized sequential image transmission device, characterized in that: comprising the steps of (a) a step of,
the file storage module is used for storing the image sequence file;
the file reading module is used for calculating the size of each single-frame image data in the image sequence file, establishing a plurality of storage spaces with fixed sizes in a memory, wherein the capacity of each storage space is equal to the size of the single-frame image data in the image sequence file, and respectively reading a plurality of continuous single-frame image data in the image sequence file into a plurality of storage spaces;
the sequence display module sequentially displays and outputs the single-frame image data in the storage spaces;
the file reading module is also used for releasing the storage space occupied by the single-frame image data after display output and reading in a plurality of continuous single-frame image data of the next round.
6. The oversized sequential image transmission apparatus of claim 5, wherein: the file reading module is specifically configured to calculate a size of single-frame image data in each image sequence file, and establish a plurality of storage spaces with fixed sizes in a memory, where each storage space has a capacity equal to a size of single-frame image data in the image sequence file; a multithreading circulation reading method is adopted to directly read a plurality of continuous single-frame image data in the image sequence file into the storage space in the memory; and reading in a next round of continuous multiple single-frame image data after releasing the storage space occupied by the single-frame image data after display output.
7. A computer, characterized in that: comprising a processor and a memory storing a computer program which, when executed by the processor, implements the method of oversized sequence image transmission of any of claims 1 to 4.
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