CN107454387A - Mass parameter acquisition methods and device for image coding and decoding Transmission system - Google Patents
Mass parameter acquisition methods and device for image coding and decoding Transmission system Download PDFInfo
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- CN107454387A CN107454387A CN201710752093.7A CN201710752093A CN107454387A CN 107454387 A CN107454387 A CN 107454387A CN 201710752093 A CN201710752093 A CN 201710752093A CN 107454387 A CN107454387 A CN 107454387A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
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Abstract
The invention discloses a kind of mass parameter acquisition methods and device for image coding and decoding Transmission system.This method includes：Gather the first image corresponding to present frame in vision signal；Image tagged information is generated according to the acquisition time of the mark of the first image and the first image；By image tagged information and the first imaging importing, the second image is obtained；Vision signal is obtained through the decoded output image of decoder；Output image and the second image are contrasted, obtain comparing result；The mass parameter of image coding and decoding Transmission system is determined according to comparing result.By the present invention, the effect for the performance test efficiency for improving image coding and decoding Transmission system is reached.
Description
Technical field
The present invention relates to image processing field, in particular to a kind of quality for image coding and decoding Transmission system
Parameter acquiring method and device.
Background technology
End-to-end test system is for realtime graphic encoding and decoding Transmission system product and the test system that designs, purposes master
If the performance test of solution transmission code system is compiled for realtime graphic.
1st, by producing continuous particular image data flow, the input of encoder is formed, and can be from the defeated of decoder
Output stream and the corresponding relation of former input are identified in going out, is then compared, produces the comparative result such as PSNR, SSIM,
Test the compression quality index of codec.
2nd, the network packet quantity in statistics realtime graphic encoding and decoding Transmission system transmitting procedure, length, temporal information,
Evaluated with the compressed capability to encoder.
3rd, the time point 1 that raw image data enters encoder, the time point 2 of decoder output image, twice are counted
Subtract each other the time delay for drawing system under test (SUT), evaluate the execution performance of codec, the transmission performance of Transmission system.
, can be with the performance of one image coding and decoding Transmission system of overall merit by the test in terms of three above.
In order to test realtime graphic encoding and decoding Transmission system product, there are many test systems specially designed on the market,
The performance evaluation of realtime graphic coding/decoding system needs to evaluate (as described above three) jointly by multiple parameters, in the prior art
Have many test devices, for example, by binary channels display receive two paths of signals, be all the way it is encoded and decoding band sometimes
Between information vision signal, another way is the original vision signal with temporal information, is shown by binary channels, can be directly perceived
Ground obtains two vision signals and is shown part-time, by simple mathematic interpolation, can accurately and intuitively obtain actual
The time delay of codec signal.
But the device can only test image encoding and decoding Transmission system delay performance, it is impossible to thoroughly evaluating image coding and decoding
Other performances of Transmission system, prior art to being required for individually designed test system to test during each single item performance test,
Test process is complicated, and efficiency is low.
For carrying out the problem of testing time-effectiveness rate is low to the performance of image coding and decoding Transmission system in correlation technique, at present still
Effective solution is not proposed.
The content of the invention
It is a primary object of the present invention to provide a kind of mass parameter acquisition methods for image coding and decoding Transmission system
And device, to solve the problems, such as that the performance progress testing time-effectiveness rate to image coding and decoding Transmission system is low.
To achieve these goals, according to an aspect of the invention, there is provided a kind of be used for image coding and decoding transmission system
The mass parameter acquisition methods of system, this method include：Gather the first image corresponding to present frame in vision signal；According to described
The mark of one image and the acquisition time generation image tagged information of described first image；By described image label information and described
First imaging importing, obtain the second image；The vision signal is obtained through the decoded output image of decoder；By the output
Image is contrasted with second image, obtains comparing result；Determine that described image encoding and decoding pass according to the comparing result
The mass parameter of defeated system.
Alternatively, the output image and second image are contrasted, obtaining comparing result includes：From described
Mark, the acquisition time of described first image are obtained in two images；The time of the decoded output image of the decoder is believed
Breath is contrasted with the acquisition time, obtains delay parameter；And the output image and second image are carried out pair
Than the compression quality parameter of described image encoding and decoding Transmission system is calculated.
Alternatively, image tagged information is generated according to the acquisition time of the mark of described first image and described first image
Including：The mark of described first image is determined according to the acquisition order of described first image, wherein, often gather a frame image data
Produce an incremental picture number；The figure is generated according to the acquisition time of the mark of described first image and described first image
As label information.
Alternatively, described image label information includes the image tagged data strip being made up of 16 image blocks, each image
Block is made up of 16 × 16 pixels.
Alternatively, it is superimposed by described image label information and described first image, after obtaining the second image, the side
Method also includes：Second image is stored in presetting database with BMP forms.
To achieve these goals, according to another aspect of the present invention, a kind of image coding and decoding that is used for is additionally provided to transmit
The mass parameter acquisition device of system, the device include：Collecting unit, for gathering in vision signal first corresponding to present frame
Image；Generation unit, image tagged is generated for the acquisition time of the mark according to described first image and described first image
Information；Superpositing unit, for described image label information and described first image to be superimposed, obtain the second image；Acquiring unit,
For obtaining the vision signal through the decoded output image of decoder；Comparison unit, for by the output image and institute
State the second image to be contrasted, obtain comparing result；Determining unit, for determining that described image compiles solution according to the comparing result
The mass parameter of code Transmission system.
Further, the comparison unit is used for：Mark, the collection of described first image are obtained from second image
Time；The temporal information of the decoded output image of the decoder is contrasted with the acquisition time, obtains time delay ginseng
Number；And contrasted the output image and second image, described image encoding and decoding Transmission system is calculated
Compression quality parameter.
Further, the generation unit includes：Determining module, for being determined according to the acquisition order of described first image
The mark of described first image, wherein, often gather a frame image data and produce an incremental picture number；Generation module, it is used for
Described image label information is generated according to the acquisition time of the mark of described first image and described first image.
To achieve these goals, according to another aspect of the present invention, a kind of storage medium is additionally provided, including storage
Program, wherein, the equipment execution present invention's is used for image coding and decoding Transmission system where controlling storage medium when program is run
Mass parameter acquisition methods.
To achieve these goals, according to another aspect of the present invention, a kind of processor is additionally provided, for running journey
Sequence, wherein, the mass parameter acquisition methods for image coding and decoding Transmission system of the invention are performed when program is run.
The present invention is by gathering the first image corresponding to present frame in vision signal；According to the mark of the first image and first
The acquisition time generation image tagged information of image；By image tagged information and the first imaging importing, the second image is obtained；Obtain
Vision signal is through the decoded output image of decoder；Output image and the second image are contrasted, obtain comparing result；Root
The mass parameter of image coding and decoding Transmission system is determined according to comparing result, solves and the performance of image coding and decoding Transmission system is entered
The problem of row testing time-effectiveness rate is low, and then improve the effect of the performance test efficiency to image coding and decoding Transmission system.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow of the mass parameter acquisition methods for image coding and decoding Transmission system according to embodiments of the present invention
Figure；
Fig. 2 is the schematic diagram for image coding and decoding Transmission system according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a first embodiment of the present invention；
Fig. 4 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a second embodiment of the present invention；
Fig. 5 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a third embodiment of the present invention；
Fig. 6 is the signal of the mass parameter acquisition device for image coding and decoding Transmission system according to embodiments of the present invention
Figure.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
For the ease of description, below to the invention relates to several terms illustrate：
Codec：Codec (codec) refers to that one can become to a signal or a data stream
The equipment or program changed.The conversion herein referred to both includes being encoded signal or data flow (typically to transmitting, deposit
Storage is either encrypted) or extraction obtain the operation of an encoding stream, also include to observe or handle from this encoding stream
Recover the operation for being adapted to the form of observation or operation.
Realtime graphic encoding and decoding Transmission system：Real-time continuous image data stream is compressed using certain codec,
It is transmitted immediately using Ethernet, by the system of receiving terminal decoder decoded back.
PSNR：PSNR is that " Peak Signal to Noise Ratio " abbreviation, Y-PSNR are a kind of evaluation figures
The objective standard of picture.
SSIM (structural similarity index), structural similarity, it is a kind of measurement two images similarity
Index.
The embodiments of the invention provide a kind of mass parameter acquisition methods for image coding and decoding Transmission system.
Fig. 1 is the flow of the mass parameter acquisition methods for image coding and decoding Transmission system according to embodiments of the present invention
Figure, as shown in figure 1, this method comprises the following steps：
Step S101：Gather the first image corresponding to present frame in vision signal；
Step S102：Image tagged information is generated according to the acquisition time of the mark of the first image and the first image；
Step S103：By image tagged information and the first imaging importing, the second image is obtained；
Step S104：Vision signal is obtained through the decoded output image of decoder；
Step S105：Output image and the second image are contrasted, obtain comparing result；
Step S106：The mass parameter of image coding and decoding Transmission system is determined according to comparing result.
The embodiment is using the first image corresponding to present frame in collection vision signal；According to the mark of the first image and
The acquisition time generation image tagged information of one image；By image tagged information and the first imaging importing, the second image is obtained；Obtain
Vision signal is taken through the decoded output image of decoder；Output image and the second image are contrasted, obtain comparing result；
The mass parameter of image coding and decoding Transmission system is determined according to comparing result, solves the performance to image coding and decoding Transmission system
The problem of testing time-effectiveness rate is low is carried out, and then improves the effect of the performance test efficiency to image coding and decoding Transmission system
Fruit.
In embodiments of the present invention, vision signal can be the vision signal of arbitrary characteristics, can specially set multiple types
The adaptable interface of type directly gathers manifold vision signal, can also after the vision signal of nonrecognition is collected,
The vision signal of nonrecognition is changed, is converted to recognizable type, then can be collected current in vision signal
Image corresponding to frame, as the first image.The mark of first image can be got based on a variety of methods, the first image
Mark can be used for the identity information for marking the image, and each two field picture has unique identification information, according to the first figure
The mark and acquisition time of picture generate the image tagged information of the first image, then by image tagged information and the imaging importing,
The second image is obtained, the second image can be that the second image text obtained after image tagged information is superimposed with the first image
Part, superposition can increase mark of the field of regular length as the first image on the basis of the field information of the first image
Note, the steamer field information after superposition is as the second image.After the second image is obtained, vision signal is passed through into decoder solution
Output image after code is contrasted with the second image, obtains comparing result, determines that image coding and decoding transmits according to comparing result
The mass parameter of system, comparing result include many kinds of parameters, wherein, the compression quality that comparing result can include codec refers to
The multinomial comparing results such as mark, the compressed capability of codec, the time delay of codec.
Alternatively, output image and the second image are contrasted, obtaining comparing result includes：Obtained from the second image
The mark of first image, acquisition time；The temporal information of the decoded output image of decoder is contrasted with acquisition time,
Obtain delay parameter；And contrasted output image and the second image, the pressure of image coding and decoding Transmission system is calculated
Contracting mass parameter.
When output image and the second image are contrasted, it is necessary to extract the first image from the second image first
Mark and acquisition time, then the acquisition time of the temporal information of the decoded output image of decoder and the first image is carried out
To being compared to difference, delay parameter is obtained；By output image and the second image comparison, image encoding/decoding Transmission system can be obtained
Compression quality parameter.
Alternatively, included according to the acquisition time generation image tagged information of the mark of the first image and the first image：Root
The mark of the first image is determined according to the acquisition order of the first image, wherein, often gather a frame image data and produce an incremental figure
As numbering；Image tagged information is generated according to the acquisition time of the mark of the first image and the first image.
It according to the acquisition order of image is mark of each picture number as image that the generation of image tagged information, which can be,
To know, the mark of image can carry out incremental numbering according to the image sequence of collection as the identity information of image for view data,
Then numbering can generate image tagged letter jointly as the mark of the first image according to the mark of the first image and acquisition time
Breath.
Alternatively, image tagged information includes the image tagged data strip that is made up of 16 image blocks, each image block by
16 × 16 pixels form.In addition to the preferred embodiment, image tagged information can also be the image block by other quantity
The image tagged data strip of composition.
Alternatively, by image tagged information and the first imaging importing, after obtaining the second image, by the second image with
BMP forms are stored in presetting database.
In addition to storing the second image with BMP forms, the second image can also be stored in data according to extended formatting
In storehouse.
As an alternative embodiment, the data flow that decoder desampler is sent, is determined according to comparing result
Test result can be：Obtain time and the length of packet in the data flow that interchanger is sent；According to the time of packet and
Length obtains instantaneous bit rate and time delay；Image coding and decoding Transmission system is calculated according to instantaneous bit rate and time delay
The performance of the various aspects of encoding and decoding Transmission system.
Fig. 2 is the schematic diagram for image coding and decoding Transmission system according to embodiments of the present invention, as shown in Fig. 2 this is
System includes consisting of part：Image generation system, by real time image collection module, mark generation module, imaging importing module,
Time regulator module, HDMI image output modules composition.Image processing system, by real time image collection module, marker recognition
Module, image comparison processing module composition.Network data processing system, by network data handling module, count computing module group
Into.
The system can the vision signals of arbitrary characteristics the test source of limited quantity species (existing tester support),
Cycle tests is formed, to evaluate disposal ability of the codec to different type image.Support the vision signal of plurality of specifications, branch
Different video rates is held, it is per second from 10-60 frames, each index of encoding and decoding transmitting device can be gone out with disposable test.
Fig. 3 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a first embodiment of the present invention.
As shown in figure 3, image capture module is realized using specialised hardware, collecting efficiency is high, can be with the broadcasting speed of automatic adaptation video source
Rate, the hardware have the video interface of plurality of specifications, such as HDMI and USB interface, can receive the video letter of plurality of specifications
Number, and signal gives imaging importing module all the way for selection.
A frame image data is often obtained, an incremental picture number, and the time point obtained is produced, is generated as mark
The input of module, handled by mark generation module, generate a marked image data bar being made up of 16 image blocks, wherein
Each image block is made up of 16*16 pixels.
Imaging importing module is superimposed the image and the mark of generation that collect, forms the new view data of a frame
It is stored in BMP forms inside the system, while gives image output module processing output, output module can be opened based on SDL2
Send out storehouse to realize, SDL2 is a cross-platform C/C++ development library, and drawing efficiency is high, can run in various types of unix systems.
In embodiments of the present invention, system uses high-end video card output image, and high-end video card includes the output interface of plurality of specifications, can be with
Dock a variety of codec hardware equipment.
Fig. 4 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a second embodiment of the present invention.
As shown in figure 4, image processing system is by real time image collection module, marker recognition module, image comparison processing module composition.
Real time image collection module 2 obtains the output image of equipment under test, gives the acquisition of marker recognition module analysis, video
Numbering, and temporal information, take out the corresponding original image of storage, give two field pictures to contrast processing module, processing module meter
The comparing result of the multiple parameters such as two frame differences, PSNR, SSIM, time delay is calculated, comparing result can be the form of statistical report.
Fig. 5 is the schematic diagram of the handling process for image coding and decoding Transmission system according to a third embodiment of the present invention.
As shown in figure 5, network data processing system, by network data handling module, statistics computing module composition.
Code stream during decoder is sent to by encoder by Ethernet switch, by Network Data Capturing module
Obtained by the mirror port of interchanger, obtain the time of packet, packet length, giving statistical analysis module processing and forming statistics
Report.
Packet capturing module can be with realizing that libpcap is the network data under unix/linux platforms using famous Libpcap
Packet capturing function bag, most of network monitoring softwares are all based on it.Libpcap can be under most class unix platforms
Work.The network data transmitted in the network IP and PORT COM of system under test (SUT) is met by filtering, recorded per the bag data time,
And length.
The function of network data statistical analysis module is：The generation timestamp 1 that one two field picture marks in generation system, figure
As the recognition time stamp 2 obtained when image is identified in processing system, timestamp 2- timestamp 1=time delays, this time
All packets of section belong to the transmission data of this frame, the cumulative code stream that can be obtained by a frame of these data packet lengths
Length, the frame code stream length divided by period number of seconds can be obtained by up time bit rate.The statistics of all frames can be used for
Evaluate the compressed capability of system under test (SUT), and lagger.
In embodiments of the present invention, except measurement in real time, signal source recorded broadcast pattern can also be used, records test chart in advance
As sequence, upload in tester, but this method also has some shortcomings, for example, it is ageing bad, record, uploading needs
The time is wanted, picture is recorded and needs to use specific software etc.
The embodiment of the present invention can produce cycle tests in real time for image coding and decoding Transmission system, pass through special mark
Note mode can test multiple indexs simultaneously.
It should be noted that can be in such as one group of computer executable instructions the flow of accompanying drawing illustrates the step of
Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not
The order being same as herein performs shown or described step.
The embodiments of the invention provide a kind of mass parameter acquisition device for image coding and decoding Transmission system, the device
It can be used for the mass parameter acquisition methods for image coding and decoding Transmission system for performing the embodiment of the present invention.
Fig. 6 is the signal of the mass parameter acquisition device for image coding and decoding Transmission system according to embodiments of the present invention
Figure, as shown in fig. 6, the device includes：
Collecting unit 10, for gathering the first image corresponding to present frame in vision signal；
Generation unit 20, for the mark according to the first image and the acquisition time generation image tagged letter of the first image
Breath；
Superpositing unit 30, for by image tagged information and the first imaging importing, obtaining the second image；
Acquiring unit 40, for obtaining vision signal through the decoded output image of decoder；
Comparison unit 50, for output image and the second image to be contrasted, obtain comparing result；
Determining unit 60, for determining the mass parameter of image coding and decoding Transmission system according to comparing result.
The embodiment gathers the first image corresponding to present frame in vision signal using collecting unit 10；Generation unit 20
Image tagged information is generated according to the mark of described first image and the acquisition time of described first image；Superpositing unit 30 is by described in
Image tagged information and described first image superposition, obtain the second image；It is decoded that acquiring unit 40 obtains the vision signal
The decoded output image of device；Comparison unit 50 is contrasted the output image and second image, obtains contrast knot
Fruit；Determining unit 60 determines the mass parameter of image coding and decoding Transmission system according to the comparing result, so as to solve to figure
As the performance of encoding and decoding Transmission system carries out the problem of testing time-effectiveness rate is low, and then improve to transmit image coding and decoding and be
The effect of the performance test efficiency of system.
Alternatively, comparison unit 50 is used for mark, the acquisition time that the first image is obtained from the second image；By decoder
The temporal information of decoded output image is contrasted with acquisition time, obtains delay parameter；And by output image and
Two images are contrasted, and the compression quality parameter of image coding and decoding Transmission system is calculated.
Alternatively, generation unit 20 includes：Determining module, for determining the first image according to the acquisition order of the first image
Mark, wherein, often gather a frame image data and produce an incremental picture number；Generation module, for according to the first image
Mark and the first image acquisition time generation image tagged information.
In embodiments of the present invention, for image coding and decoding Transmission system mass parameter acquisition device include processor and
Memory, above-mentioned collecting unit, generation unit, superpositing unit, acquiring unit and comparison unit etc. stores as program unit
In memory, corresponding function is realized by computing device storage said procedure unit in memory.
Kernel is included in processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can set one
Or more, improve the effect of the performance test efficiency to image coding and decoding Transmission system by adjusting kernel parameter.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the form such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM), memory includes at least one deposit
Store up chip.
The embodiments of the invention provide a kind of equipment, equipment includes processor, memory and storage on a memory and can
The program run on a processor, following steps are realized during computing device program：Gather in vision signal corresponding to present frame
First image；Image tagged information is generated according to the acquisition time of the mark of the first image and the first image；Image tagged is believed
Breath and the first imaging importing, obtain the second image；Vision signal is obtained through the decoded output image of decoder；By output image
Contrasted with the second image, obtain comparing result；The mass parameter of image coding and decoding Transmission system is determined according to comparing result.
Equipment herein can be server, PC, PAD, mobile phone etc..
Present invention also provides a kind of computer program product, when being performed on data processing equipment, is adapted for carrying out just
The program of beginningization there are as below methods step：Gather the first image corresponding to present frame in vision signal；According to the mark of the first image
Know and the acquisition time of the first image generates image tagged information；By image tagged information and the first imaging importing, second is obtained
Image；Vision signal is obtained through the decoded output image of decoder；Output image and the second image are contrasted, obtained pair
Compare result；The mass parameter of image coding and decoding Transmission system is determined according to comparing result.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to the flow according to the method for the embodiment of the present application, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and internal memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the form such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moved
State random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus
Or any other non-transmission medium, the information that can be accessed by a computing device available for storage.Define, calculate according to herein
Machine computer-readable recording medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping
Include the other element being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including key element
Other identical element in process, method, commodity or equipment also be present.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product.
Therefore, the application can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.Deposited moreover, the application can use to can use in one or more computers for wherein including computer usable program code
The shape for the computer program product that storage media is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
Embodiments herein is these are only, is not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All any modifications made within spirit herein and principle, equivalent substitution,
Improve etc., it should be included within the scope of claims hereof.
Claims (10)
- A kind of 1. mass parameter acquisition methods for image coding and decoding Transmission system, it is characterised in that including：Gather the first image corresponding to present frame in vision signal；Image tagged information is generated according to the acquisition time of the mark of described first image and described first image；Described image label information and described first image are superimposed, obtain the second image；The vision signal is obtained through the decoded output image of decoder；The output image and second image are contrasted, obtain comparing result；The mass parameter of described image encoding and decoding Transmission system is determined according to the comparing result.
- 2. according to the method for claim 1, it is characterised in that carry out the output image and second image pair Than obtaining comparing result includes：Mark, the acquisition time of described first image are obtained from second image；By the decoded output of the decoder The temporal information of image is contrasted with the acquisition time, obtains delay parameter；AndThe output image and second image are contrasted, the compression of described image encoding and decoding Transmission system is calculated Mass parameter.
- 3. according to the method for claim 1, it is characterised in that according to the mark and described first image of described first image Acquisition time generation image tagged information include：The mark of described first image is determined according to the acquisition order of described first image, wherein, often gather a frame image data Produce an incremental picture number；Described image label information is generated according to the acquisition time of the mark of described first image and described first image.
- 4. according to the method for claim 3, it is characterised in that described image label information includes being made up of 16 image blocks Image tagged data strip, each image block is made up of 16 × 16 pixels.
- 5. according to the method for claim 1, it is characterised in that folded by described image label information and described first image Add, after obtaining the second image, methods described also includes：Second image is stored in presetting database with BMP forms.
- A kind of 6. mass parameter acquisition device for image coding and decoding Transmission system, it is characterised in that including：Collecting unit, for gathering the first image corresponding to present frame in vision signal；Generation unit, for the acquisition time of the mark according to described first image and described first image generation image tagged letter Breath；Superpositing unit, for described image label information and described first image to be superimposed, obtain the second image；Acquiring unit, for obtaining the vision signal through the decoded output image of decoder；Comparison unit, for the output image and second image to be contrasted, obtain comparing result；Determining unit, for determining the mass parameter of described image encoding and decoding Transmission system according to the comparing result.
- 7. device according to claim 6, it is characterised in that the comparison unit is used for：Mark, the acquisition time of described first image are obtained from second image；By the decoded output of the decoder The temporal information of image is contrasted with the acquisition time, obtains delay parameter；AndThe output image and second image are contrasted, the compression of described image encoding and decoding Transmission system is calculated Mass parameter.
- 8. device according to claim 6, it is characterised in that the generation unit includes：Determining module, for determining the mark of described first image according to the acquisition order of described first image, wherein, often gather One frame image data produces an incremental picture number；Generation module, described image mark is generated for the acquisition time of the mark according to described first image and described first image Remember information.
- A kind of 9. storage medium, it is characterised in that the storage medium includes the program of storage, wherein, run in described program When control the storage medium where the image coding and decoding that is used in equipment perform claim requirement 1 to 5 described in any one transmit The mass parameter acquisition methods of system.
- A kind of 10. processor, it is characterised in that the processor is used for operation program, wherein, right of execution when described program is run Profit requires the mass parameter acquisition methods for image coding and decoding Transmission system described in any one in 1 to 5.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307191A (en) * | 2018-01-03 | 2018-07-20 | 西安万像电子科技有限公司 | The alignment schemes and device of image data |
| CN109327700A (en) * | 2018-11-23 | 2019-02-12 | 中国电子科技集团公司第五十四研究所 | A kind of image coding and decoding time delay measuring method based on SEI transmission |
| CN109510978A (en) * | 2018-11-07 | 2019-03-22 | 西安万像电子科技有限公司 | A kind of method for testing performance and device of data processing |
| CN110662019A (en) * | 2018-06-28 | 2020-01-07 | 统一专利有限责任两合公司 | Method and system for assessing the quality of video transmission over a network |
| CN110706228A (en) * | 2019-10-16 | 2020-01-17 | 京东方科技集团股份有限公司 | Image marking method and system, and storage medium |
| CN112422956A (en) * | 2020-10-30 | 2021-02-26 | 西安万像电子科技有限公司 | Data testing system and method |
| CN113068021A (en) * | 2021-03-31 | 2021-07-02 | 北京飞讯数码科技有限公司 | Delay testing method, device, equipment and storage medium |
| CN113612988A (en) * | 2021-07-20 | 2021-11-05 | 深圳市拔超科技有限公司 | Method and device for automatically testing video delay and video transmission equipment |
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| CN113865620A (en) * | 2019-04-16 | 2021-12-31 | 阿波罗智联(北京)科技有限公司 | Time synchronization method and device for AR navigation simulation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030081124A1 (en) * | 2001-10-31 | 2003-05-01 | Vivaik Balasubrawmanian | Video quality assessment with test video sequences |
| CN1622639A (en) * | 2004-12-13 | 2005-06-01 | 武汉大学 | A method for testing signal-to-noise ratio of digital video coding-decoding system |
| CN1980405A (en) * | 2005-12-08 | 2007-06-13 | 中兴通讯股份有限公司 | System and method for detecting picture time delay |
| CN101668223A (en) * | 2009-09-07 | 2010-03-10 | 航天恒星科技有限公司 | Method for measuring image transmission time delay |
| CN202309990U (en) * | 2011-09-09 | 2012-07-04 | 华南理工大学 | Non-intrusive single-end acquired video end-to-end time delay measuring device |
| CN103561259A (en) * | 2013-07-10 | 2014-02-05 | 杭州云本科技有限公司 | Network conference visual quality automatic evaluation method for application sharing services |
| CN104661021A (en) * | 2015-02-12 | 2015-05-27 | 国家电网公司 | Quality assessment method and device for video streaming |
-
2017
- 2017-08-28 CN CN201710752093.7A patent/CN107454387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030081124A1 (en) * | 2001-10-31 | 2003-05-01 | Vivaik Balasubrawmanian | Video quality assessment with test video sequences |
| CN1622639A (en) * | 2004-12-13 | 2005-06-01 | 武汉大学 | A method for testing signal-to-noise ratio of digital video coding-decoding system |
| CN1980405A (en) * | 2005-12-08 | 2007-06-13 | 中兴通讯股份有限公司 | System and method for detecting picture time delay |
| CN101668223A (en) * | 2009-09-07 | 2010-03-10 | 航天恒星科技有限公司 | Method for measuring image transmission time delay |
| CN202309990U (en) * | 2011-09-09 | 2012-07-04 | 华南理工大学 | Non-intrusive single-end acquired video end-to-end time delay measuring device |
| CN103561259A (en) * | 2013-07-10 | 2014-02-05 | 杭州云本科技有限公司 | Network conference visual quality automatic evaluation method for application sharing services |
| CN104661021A (en) * | 2015-02-12 | 2015-05-27 | 国家电网公司 | Quality assessment method and device for video streaming |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307191A (en) * | 2018-01-03 | 2018-07-20 | 西安万像电子科技有限公司 | The alignment schemes and device of image data |
| CN110662019A (en) * | 2018-06-28 | 2020-01-07 | 统一专利有限责任两合公司 | Method and system for assessing the quality of video transmission over a network |
| CN109510978A (en) * | 2018-11-07 | 2019-03-22 | 西安万像电子科技有限公司 | A kind of method for testing performance and device of data processing |
| CN109510978B (en) * | 2018-11-07 | 2020-05-26 | 西安万像电子科技有限公司 | Data processing performance detection method and device |
| CN109327700A (en) * | 2018-11-23 | 2019-02-12 | 中国电子科技集团公司第五十四研究所 | A kind of image coding and decoding time delay measuring method based on SEI transmission |
| CN113865620A (en) * | 2019-04-16 | 2021-12-31 | 阿波罗智联(北京)科技有限公司 | Time synchronization method and device for AR navigation simulation |
| CN113865620B (en) * | 2019-04-16 | 2024-05-10 | 阿波罗智联(北京)科技有限公司 | Time synchronization method and device for AR navigation simulation |
| CN110706228A (en) * | 2019-10-16 | 2020-01-17 | 京东方科技集团股份有限公司 | Image marking method and system, and storage medium |
| CN112422956A (en) * | 2020-10-30 | 2021-02-26 | 西安万像电子科技有限公司 | Data testing system and method |
| CN112422956B (en) * | 2020-10-30 | 2024-03-19 | 西安万像电子科技有限公司 | Data testing system and method |
| CN113068021B (en) * | 2021-03-31 | 2023-03-07 | 北京飞讯数码科技有限公司 | Delay testing method, device, equipment and storage medium |
| CN113068021A (en) * | 2021-03-31 | 2021-07-02 | 北京飞讯数码科技有限公司 | Delay testing method, device, equipment and storage medium |
| CN113612988A (en) * | 2021-07-20 | 2021-11-05 | 深圳市拔超科技有限公司 | Method and device for automatically testing video delay and video transmission equipment |
| CN113873226A (en) * | 2021-09-13 | 2021-12-31 | 深圳市欢太科技有限公司 | Encoding and decoding quality testing method and device, computer equipment and storage medium |
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