CN100553327C - The method of video delivery system, image delivery server, image dispensing - Google Patents

The method of video delivery system, image delivery server, image dispensing Download PDF

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CN100553327C
CN100553327C CNB2006101361854A CN200610136185A CN100553327C CN 100553327 C CN100553327 C CN 100553327C CN B2006101361854 A CNB2006101361854 A CN B2006101361854A CN 200610136185 A CN200610136185 A CN 200610136185A CN 100553327 C CN100553327 C CN 100553327C
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image
data
view data
terminal
dispensing
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CN1953544A (en
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洼田晃
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NEC Corp
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NEC Corp
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Abstract

The image delivery server that the platform number is set, video delivery system, image allocator, the image dispensing program that can cut down code device are provided.Image delivery server (20) comprising: obtain comprising by the view data transform data form of a plurality of image sources (2) of the hope image source of user's terminal (7) appointment and synthesizing the composite image data of single data, extract the data extract parts (34) of the view data of giving the ID numbering of wishing image source from this composite image data; The data extract transmit block (32) of the view data of the hope image source of extracting to user's terminal (7) transmission.

Description

The method of video delivery system, image delivery server, image dispensing
Technical field
The present invention relates to video delivery system, particularly relate to from composite image data and separating from the view data of the image source of user's terminal appointment, to the technology of user's terminal distribution.
Background technology
Because the communication line in cheapness and broadband is popularized, extensively carry out mobile image dispensing to terminals such as PC.In such dispensing, in order to cut down the data volume of passing on, generally the original moving image data of form of MPEG (Moving Picture Experts Group) etc. is transformed to the H.264 form of few MPEG4 form of data volume or ITU-T (InternationalTelecommunication Union-Telecommunication sector), terminal is sent in server one side.
In patent documentation 1, putting down in writing image that the video camera that has in camera server is taken system (Fig. 1 of patent documentation 1) to the transmission of portable information end.It should be noted that " data converting apparatus " shown in Figure 1 of patent documentation 1 is not the coded system of changing image data, is bridge or the gateway apparatus that carries out the conversion of procotol.
Video delivery system in the past is made of following part as shown in Figure 9: from a plurality of image sources 100 of supplying with analog image or digital picture, the image information that is arranged on the analog or digital that the image source 100 each image source 100 obtains is transformed to the MPEG4 form or many code devices 101 of form H.264; The view data of conversion is transferred to user's terminal 103,104,105 and the image delivery server 102 of control; Lift-launch can be observed the PC (user's terminal) 103 of the decoding software of image; With PDA (Personal Data Assistance, Personal Digital Assistants; User's terminal) 104, user's terminal such as 3G or 2.5G mobile phone mode corresponding mobile terminal (user's terminal) 105.
Image source 100 is connected by LAN (Local Area Network) 113 with code device 101.Code device 101 is connected with the mobile telephone network 110 of image delivery server 112 by 3G or 2.5.Image delivery server 112 is connected by ADSL (Asymmetric DigitalSubscriber Line) net 111 or mobile telephone network 112 with user's terminals such as PC103.
Video delivery system in the past with such structure is by following work.If be that image delivery server 120 has the requirement from user's terminal, just receive from the MPEG4 form of code device 101 or the data of form H.264, these data are sent to user's terminal 103.
In the example of Fig. 9,, 1 code device is set about 1 image source.And in patent documentation 2,,, generate multiplexed multiplexed data stream according to coded data respectively coded image data from a plurality of image sources.In patent documentation 2, have a plurality of encoders, encoding, synthetic with multiplexer simultaneously a plurality of data flow behind the coding from the data of a plurality of image source inputs, generate multiplexed data.
[patent documentation 1] spy opens the 2005-197818 communique
[patent documentation 2] spy opens the 2005-151095 communique.
, the composite image data synthetic from the data of a plurality of image sources extracts the suitable data corresponding with the requirement of user's terminal, can its server software to user's terminal distribution do not existed.
Therefore in the past, in order to construct video delivery system, be necessary to have the very expensive problem of system and arranging at each image source configuration codes device.In addition, there is the problem that the place is set that is difficult to guarantee code device.
Summary of the invention
The objective of the invention is to, the image delivery server that the platform number is set, video delivery system, image allocator, the image dispensing program that can cut down code device are provided.
Image delivery server of the present invention has: take out the view data of the ID numbering of giving a plurality of image sources is carried out multiplexed composite image data, give data extract parts by the view data of the ID numbering of the hope image source of user's terminal appointment from this data extract; The extraction data unit of the view data of extracting by these data extract parts to the transmission of user's terminal.
According to described image delivery server, the data extract parts can extract from the view data of composite image data to user's terminal distribution, so need not code device be set in each image source from the ID numbering of image source.
Therefore, can cut down, can cut down the needed expense of system and arranging in order to construct the platform number of the necessary code device of video delivery system.
In described image delivery server, have: send receiving from user's terminal, and work when the dispensing that comprises the ID numbering of wishing image source requires requires transmit block to wishing the image source requirement to the server one side dispensing of the transmission of the view data of the data converting apparatus that generates composite image data; And the data extract parts also can require to receive composite image data from the data converting apparatus of wishing the view data that image source sends from receiving according to the dispensing of server one side.
In view of the above, even user's terminal does not have the parts with the image source direct communication, also can receive the dispensing of view data.
In described image delivery server, comprising definite user's terminal in dispensing requires can the coded data form promptly wish the information of data mode, and also can have wishing the hope data mode notice parts of data mode to data converting means notice.
In view of the above, user's terminal can be specified in advance from the coding form of the view data of image delivery server transmission, so can show the view data of being received reliably.
In described image delivery server, wish that data mode is MPEG4 or form H.264.
In view of the above, frame frequency (frame number of unit interval) and exploring degree are same, in the time of relatively, and the size of the size that can make the view data that user's terminal is sent from the image delivery server when using other data mode.Therefore, can cut down user's terminal in order to receive the needed expense of view data.Perhaps, when making the data size identical with other data mode, can improve frame frequency or exploring degree, user's terminal can show distincter image.
In addition, MPEG4 and decoding software are H.264 extensively popularized, and free issue many are so more user's terminal can be utilized the image delivery server.
Video delivery system of the present invention has: a plurality of image sources that other instruments provided view data; The data mode of the view data that conversion obtains from a plurality of image sources, and each view data after the synthetic conversion generate the data converting apparatus of unitary composite view data; Obtain the view data of a plurality of image sources, the image delivery server of the view data of the hope image source of user's terminal appointment in these view data to user's terminal distribution.Give the ID that determines image source numbering to the view data that image source provides.
User's terminal has dispensing and requires transmit block, and the dispensing that comprises the information of determining to wish image source is required the image delivery server is sent.The server one side dispensing of receiving its image delivery server requires transmit block to wishing that image source requires to send view data to data converting apparatus.The image transmit block of receiving its hope image source sends view data to the data converting means.The data mode of the view data of the hope image source that the image conversion device conversion is received and the view data of other image sources, and the data after the synthetic conversion, generate composite image data, these data are sent the image delivery server by the composite image data transmit block.The data extract parts of receiving its image delivery server extract the view data of giving the ID numbering of wishing image source from composite image data, extract data unit user's terminal is sent the extraction data.
According to described video delivery system, the image delivery server has the data extract parts, so by confirming the ID numbering, can extract the view data of wishing image source from composite image data, user's terminal is sent it, so can effectively utilize the image conversion device that the view data unification of a plurality of image sources is transformed to composite image data.
Therefore, can cut down, can cut down the needed expense of system and arranging in order to construct the platform number of the necessary code device of video delivery system.
In addition, the image delivery server has the dispensing of server one side and requires transmit block, so can give image dispensing indication to image source.Therefore, even user's terminal does not have the parts with the image source direct communication, also can receive the dispensing of view data.
In described video delivery system, in dispensing requires, comprise definite user's terminal energy coded data form and promptly wish the information of data mode, the image delivery server has wishing the hope data mode notice parts of data mode to data converting means notice, and data converting apparatus is transformed to the view data of receiving from image source wishes data mode.
In view of the above, data converting apparatus can be obtained the data mode that user's terminal is wished by the image delivery server, wishes data mode so can be transformed to the view data of wishing image source.Therefore, user's terminal can show the view data of being received reliably.
In described video delivery system, wish that data mode is MPEG4 or form H.264.
In view of the above, frame frequency and exploring degree are same, in the time of relatively, and the size of the size that can make the view data that user's terminal is sent from the image delivery server when using other data mode.Therefore, can cut down user's terminal in order to receive the needed expense of view data.Perhaps, when making the data size identical with other data mode, can improve frame frequency or exploring degree, user's terminal can show distincter image.
In addition, MPEG4 and decoding software are H.264 extensively popularized, and free issue many are so more user's terminal can be utilized the image delivery server.
In described video delivery system, user's terminal is the portable terminal that is carried by the user.
The advantage of described video delivery system, if compare with the desktop type PC, then the restriction on the function is many, and for the required expense of data communication usually be that the portable terminal that calculates according to quantity becomes remarkable especially when using as user's terminal.
Image allocator of the present invention, obtain the composite image data that handle is given the view data transform data form of the ID numbering that comprises a plurality of image sources of wishing image source and synthesized single data, extract the view data of giving the ID numbering of wishing image source from this composite image data, the view data of extracting is sent to user's terminal, thereby carry out the dispensing of view data.
According to described image allocator, by checking the ID numbering that view data is given, can extract from composite image data and wish the view data of image source, thus need not code device be set in each image source, can be with carry out the image dispensing more in the past than the code device that lacked.
Therefore, can cut down the required expense of image dispensing.
Image dispensing program of the present invention is carried out: obtain the view data transform data form of giving the ID numbering that comprises a plurality of image sources of wishing image source and synthesize the composite image data of single data, extract the function of the view data of giving the ID numbering of wishing image source from this composite image data; The view data that this extracted is sent to the function of user's terminal.
According to described image dispensing program, make computer as the ID numbering of view data being given by inspection, extract the view data of wishing image source from composite image data, the image delivery apparatus that user's terminal is sent comes work, so need not code device be set in each image source, can carry out the image dispensing with platform number more in the past than the code device that lacked.
Therefore, can cut down the required expense of image dispensing.
According to the present invention, by checking the ID numbering, can extract the view data of wishing image source from composite image data, can send it to user's terminal, so need not code device be set in each image source, can carry out the image dispensing with platform number more in the past than the code device that lacked.
Therefore, can cut down the required expense of image dispensing.
Description of drawings
Fig. 1 is the overall diagram of the video delivery system of one embodiment of the present of invention.
Fig. 2 is the block diagram of the hardware configuration of presentation video delivery server.
Fig. 3 is the functional block diagram of image delivery server.
Fig. 4 (a) is the functional block diagram of the image source when having the image systematic function.Fig. 4 (b) is the functional block diagram of the image source when not having the image systematic function.
Fig. 5 is the functional block diagram of odd encoder apparatus.
The functional block diagram of Fig. 6 person of being to use terminal.
Fig. 7 is the sequence chart of the action of presentation video delivery system.
Fig. 8 is the program flow diagram of the action of presentation video delivery server.
Fig. 9 is the figure that represents the structure of video delivery system in the past.
Among the figure:
The 1-video delivery system; The 2-image source; 42-communication component (view data transmit block); 3-odd encoder apparatus (data converting apparatus); 52-communication component (composite image data transmit block); 7-user's terminal; 62-communication component (dispensing requires transmit block); 20-image delivery server; The 31-control part; 32-communication component (dispensing of server one side requires transmit block, wishes data mode notice parts); The 33-storage part; 34-data extract parts.
Embodiment
The structure and the action of the video delivery system of one embodiment of the present of invention are described with reference to the accompanying drawings.
(structure of video delivery system 1)
The video delivery system 1 of embodiments of the invention 1 has image source 2, odd encoder apparatus 3, image delivery server 20, user's terminal 7 as shown in Figure 1.
Image source 2 for example is made of instruments such as camera, VTR (Videotape Recorder) device, DVD (DigitalVersatile Disk) transcribers, and the electronic data of image (view data) is sent odd encoder apparatus 3.View data can be that image source 2 generates in real time, also can be to be stored in the storage device of image source 2, provides and delivers as requested.When for example image source 2 is monitoring camera, be that image source 2 is by taking the landscape that monitors the place, the real-time moving image data that generates.In addition, when image source 2 is PC, be carry out electronic dataization, store the data of the image in hard disk or the DVD dish into.The data mode of view data can be arbitrarily.
Image source 2 is made of a plurality of image source 2a, 2b, 2c, 2d.Give intrinsic ID numbering to each image source 2a, 2b, 2c, 2d.Therefore, when image source 2a, 2b, 2c, 2d output image data, export this view data and ID numbering.As ID numbering, for example can use IP (Internet Protocol) address, URL (Uniform Resource Locator), telephone number of image source 2a etc.
Odd encoder apparatus (data converting apparatus) 3 receives ID numbering and the view data that sends from a plurality of image source 2a, 2b, 2c, 2d, the corresponding view data of being received of each ID numbering is transformed to MPEG4 or form H.264, according to giving ID a plurality of view data of numbering respectively, generate a composite image data.Odd encoder apparatus 3 sends to image delivery server 20 to the composite image data that is generated by for example mobile telephone network 4.
Image delivery server 20 receives the composite image data that sends from odd encoder apparatus 3, stores this composite image data.Image delivery server 20 receives when dispensing requires from the image of user's terminal 7, extracts from the composite image data of storage and requires the view data of the image source of appointment by this, and the user's terminal 7 that requires the source is sent.
User's terminal 7 is user's the terminal installations that receive the dispensing of view data from image delivery server 20, the function of the function that has the communication function that is used for communicating with image delivery server 20, the view data of dispensing is deciphered, the image that demonstration is visually deciphered.As user's terminal 7, can use PC (below be called " PC ") 7a, PDA7b, mobile phone 7c etc.Image delivery server 20 and user's terminal 7 by mobile telephone network 5, ADSL net 6 etc. arbitrarily communication line be connected.
Fig. 2 is the block diagram of the hardware configuration of presentation video delivery server 20.Image delivery server 20 as shown in Figure 2, be made of server computer, described server computer possesses: the main storage means 22 that has the CPU (Central Processing Unit) 21 of control/calculation function, is made of DRAM (Dynamic RandomAccess Memory), the input unit 24 that is made of keyboard, the output device 24 that is made of liquid crystal indicator.
Image delivery server 20 has: for example constitutes by Ethernet (registered trade mark) adapter, and the communicator 26 with the function that communicates with other devices; Constitute by hard disk unit, and storage is by the external memory 25 of the program of CPU21 execution.
CPU25 is loaded into the program of reading from external memory 25 main storage means 22, reads the order that comprises in this program, carry out, thus each function of the image delivery server 20 that realization is described later.
Fig. 3 is the functional block diagram of image delivery server 20.CPU25 carries out the function of control part 31, the function of data extract parts 34 by executive program.The 32nd, the communicator corresponding with the communicator 26 of Fig. 2.The 33rd, the storage part corresponding with the external memory 25 of Fig. 2.
Control part 31 has control chart as all functions of delivery server 20, by carrying out the CPU21 of Fig. 2 is loaded into operating system in the main storage means 22 (below be called " OS "), realization.
Communication component 32 has with other instruments that are connected by communication line and communicates, and carries out the function of the transmitting-receiving of data or order.In video delivery system 1, the transmission of carrying out dispensing requires from the image of user's terminal 7 reception, requiring to the image dispensing of image source 2, from the reception of the composite image data of odd encoder apparatus 3, to the transmission of the view data of the image source 2 of the appointment of user's terminal 7.Be that dispensing requires transmit block, wishes that data mode notice parts, extraction data unit work communication component 32 as server one side.
CPU21 is by carrying out communication control programs such as the device driver that comprises among the OS, protocol groups, control communicator 26, thus realize communication component 32.
The data that various programs such as the OS that storage part 33 storage CPU21 carry out, communication control program and these programs are used.
The composite image data that data extract parts 34 analyzing communication parts 32 are received from odd encoder apparatus 3, extraction are given from the view data of the ID numbering of the image source (wishing image source) of user's terminal 7 appointments.
Fig. 4 (a) is the functional block diagram of the image source 2 when oneself generating view data.The control part 41 of image source 2 has all functions of control chart image source 2, by carrying out CPU is loaded into OS in the main storage means, realizes.
Communication component (view data transmit block) 42 has with other instruments that are connected by communication line and communicates, and carries out the function of the transmitting-receiving of data or order.In video delivery system 1, carry out reception that the dispensing from image delivery server 20 requires and to the transmission of the view data of odd encoder apparatus 3.
The data that various programs such as the OS that the ID of storage part 43 storage map image sources 2 numbering, CPU carry out, communication control program and these programs are used.
It for example is video camera that image is obtained parts 45, takes the sight in monitored object place, obtains image.View data generates parts 44 and obtains additional ID numbering of reading from storage part 43 in the image that parts 45 obtain at image, and encodes with the MPEG1 form, generates view data.View data generates parts 44 and can send the view data that is generated to odd encoder apparatus 3 one by one, can temporarily be stored in the storage part 43, according to the requirement from image delivery server 20, sends to odd encoder apparatus 3.
Fig. 4 (b) is the functional block diagram of the image source 2 when storing the view data that is generated by other devices.Same when the function of control part 41 and communication component 42 and described Fig. 4 (a).The view data 46 that storage is generated by other devices in storage part 46, according to the requirement from image delivery server 20,42 pairs of odd encoder apparatuses of communication component 3 send.To the additional in advance ID numbering of view data 46.
Fig. 5 is the functional block diagram of odd encoder apparatus 3.The control part 51 of odd encoder apparatus 3 shown in Figure 5 has all functions of control odd encoder apparatus 3, by carrying out CPU is loaded into OS in the main storage means, realizes.
Communication component 52 (composite image data transmit block) has with other instruments that are connected by communication line and communicates, and carries out the function of the transmitting-receiving of data or order.In video delivery system 1, carry out from the reception of the view data of image source 2 with to the transmission of the composite image data of image delivery server 20.
The data that various programs such as the OS that storage part 53 storage CPU carry out, communication control program and these programs are used.
Data conversion parts 54 are transformed to form (wishing data mode) by 7 appointments of user's terminal to the data mode of the view data of receiving from a plurality of image source 2a, 2b, 2c, 2d.Composite image data generate parts 55 by 54 conversion of data conversion parts the view data of each image source of data mode synthesize single data, generate composite image data.
The functional block diagram of Fig. 6 person of being to use terminal 7.The control part 61 of user's terminal 7 shown in Figure 6 has all functions of control user terminal 7, by carrying out CPU is loaded into OS in the main storage means, realizes.
Communication component 62 (dispensing requires transmit block) has with other instruments that are connected by communication line and communicates, and carries out the function of the transmitting-receiving of data or order.In video delivery system 1, carry out transmission that the dispensing to image delivery server 20 requires, from the reception of the view data of image delivery server 20.Decoding unit 63 is deciphered the view data of receiving from image delivery server 20, to display unit 64 outputs.Display unit 64 is exporting liquid crystal indicator from the data of decoding unit 63 outputs, and the form that can discern with the user shows.
(action of video delivery system 1)
Fig. 7 is that expression uses video delivery system 1 to carry out the sequence chart of the method for image dispensing.Specify the MPEG4 form as data mode with user's terminal 7a of Fig. 1, image delivery server 20 being required the situation of dispensing of the image of image source 2a is example, describes.At this moment, MPEG4 is for wishing data mode, and image source 2a is for wishing image source.
The dispensing that 7 pairs of image delivery servers of user's terminal 20 send view data requires (S101).In this requirement, comprise ID numbering of wishing image source 2a and the information of determining to wish data mode.
That receiving that image delivery server 20 that dispensing requires determines to arrive specified image source 2a passes on route (S102), image source 2a is sent dispensing require (dispensing of server one side requires) (S103).In requiring, this dispensing comprises the information of determining to wish data mode.
Receive that the image source 2a that the dispensing of server one side requires sends (S104) to the information of determining to wish data mode with view data to odd encoder apparatus 3.This view data is given the ID numbering of image source 2a.
Odd encoder apparatus 3 receives wishes that image source is the view data of image source 2a and the view data of other image sources 2b, 2c, 2d, and they are transformed to the MPEG4 form, and synthetic, generates composite image data (S105).Then, these data are sent (S106) to image delivery server 20.
The composite image data of image delivery server 20 from receiving by checking the ID numbering, extracts the view data (S107) of image source 2a, and user's terminal 7a is sent (S108).
Fig. 8 is the program flow diagram of the action of presentation video delivery server 20.Same with Fig. 4, specify the MPEG4 form as data mode with user's terminal 7a of Fig. 1, image delivery server 20 being required the situation of dispensing of the image of image source 2a is example, describes.
Communication component 32 receives the dispensing that sends from user's terminal 7a and requires (S111).The dispensing of this image requires to be undertaken by requirement (GET) order that obtains of HTTP (HyperText Transfer Protocol), and comprises the id information of wishing image source 2a and determines to wish the information (below be called " data mode customizing messages ") of the form of data.Determine information as data mode,, use " MPEG4 ",, use character strings such as " H.264 " as the information of determining H.264 as the information of determining MPEG4.The IP address, the telephone number that in image dispensing requires, comprise the information of determining user's terminal 7a uniquely (below be called " terminal is determined information "), user's terminal 7a.
Control part 31 is obtained the data that image dispensing comprises requiring from communication component 32, analyzes it, obtains ID numbering, data mode and determines that information and terminal determine information (S112).Then, ID number, data mode is determined information and terminal determines that information stores is in storage part 33.
Communication component 32 is read ID numbering from storage part 32, according to this information, determine and image source 2 between transmission route (S113).When for example ID was numbered the IP address of image source 2a, communication component 32 was obtained the IP address of the router of the packets of information that transfers to image source 2a with reference to the Routing Protocol of storage in the storage part 33.
Communication component 32 utilizes the transmission route of determining among the S113, requires (S114) to the dispensing of image source 2a send server one side.In requiring, the dispensing of this image comprises that data mode is determined information and in the information of determining image delivery server 20 in the system uniquely (below be called " server is determined information ") for example the IP address, URL etc. of image delivery server 20.Data mode determines that information and server determine that information sends to odd encoder apparatus 3 with view data from image source 2a.
Communication component 32 receives the image dispensing requirement of response S114,, temporarily is stored in the storage part 33 by the composite image data (S115) that odd encoder apparatus 3 sends from image source 2a.In this composite image data,, also comprise the view data of image source 2b etc. except wishing the view data of image source 2a.
Data extract parts 34 are obtained in the storage part 33 composite image data of storage, give the view data (S116) that the ID consistent with the ID numbering of image source 2a of storage the storage part 33 numbers from this data extract.Data extract parts 34 temporarily are stored in the view data of the image source 2a that is extracted in the storage part 33.
View data and terminal that communication component 32 is read image source 2a from storage part 33 are determined information, to the view data (S117) of user's terminal 7a dispensing image source 2a.This dispensing is that so-called banising sent, and the image that is not based on image extraction parts 32 begins dispensing after extracting and finishing fully, by for example with packets of information unit the view data of extraction being provided and delivered successively, carries out.
The following describes the effect of video delivery system 1.
According to video delivery system 1, the data extract parts 34 of image delivery server 20 can extract the view data by the hope image source of user's terminal 7 appointments from the composite image data that is received by odd encoder apparatus 3, so need not code device be set respectively at image source 2a, 2b, 2c, 2d.
Therefore, can cut down, can cut down the needed expense of system and arranging in order to construct the platform number of the necessary code device of video delivery system.Particularly, the platform number of code device was if in the past, just need with 4 of image source 2 equal numbers, and in video delivery system 1, it is just passable only to dispose 1 odd encoder apparatus 3.Therefore, consider that per 1 price rises, also can the initial cost relevant and maintenance cost with code device be cut in the past about 1/3.In addition, code device be provided with the space can be cut in the past 1/4.
According to video delivery system 1, image delivery server 20 has communication component (server one side configuration requirement parts) 32, so can provide image dispensing indication to wishing image source (for example 2a).Therefore, even user's terminal 7 does not have the parts with image source 2a direct communication, also can accept the dispensing of view data.
According to video delivery system 1, in the dispensing that 7 pairs of image delivery servers of user's terminal 20 send requires, comprise data mode and determine information, image delivery server 20 comprises data mode and determines information in the dispensing of server one side requires, image source 2 is sent, can be by 2 pairs of odd encoder apparatuses of image source, 3 notices.The odd encoder apparatus 3 of having notified data mode to determine information can be transformed to the view data of receiving from image source 2 wishes data mode.
Therefore, user's terminal 7 can show the view data of reception reliably.
In video delivery system 1, if wishing data mode is MPEG4 form or form H.264, then frame frequency and exploring degree are same, in the time of relatively, and the size of the size that can make the view data that sends from 20 pairs of user's terminals of image delivery server 7 when using other data mode.Therefore, can cut down user's terminal 7 in order to receive the needed expense of view data.Perhaps, when making the data size identical with other data mode, can improve frame frequency or exploring degree, user's terminal 7 can show distincter image.
In addition, MPEG4 and decoding software are H.264 extensively popularized, and free issue many are so more user's terminal can be utilized the image delivery server.

Claims (6)

1. a video delivery system is obtained view data, according to the dispensing requirement from user's terminal, gives corresponding user's terminal with image distributing,
Described video delivery system has a plurality of image sources, data converting apparatus, user's terminal and image delivery server,
Described a plurality of image source is given the ID that is used for the recognition image source numbering to obtained view data, and send and give ID the view data of numbering,
Described data converting apparatus receives a plurality of view data that send from described a plurality of image sources, with a plurality of view data that ID numbering administrative institute receives, sends after synthesizing the unitary composite view data,
The dispensing that described user's terminal will comprise the ID numbering that is used for the recognition image source requires to send to described image delivery server,
Described image delivery server receives the composite image data after described synthesizing, number the dispensing of extracting from described composite image data according to ID and require corresponding view data, the view data that this extracted is sent to corresponding user's terminal with from user's terminal.
2. video delivery system according to claim 1 is characterized in that:
Described user's terminal has dispensing and requires transmit block, and its dispensing that will comprise the ID numbering of wishing image source requires to send to described image delivery server,
Described image delivery server has:
Server one side dispensing requires transmit block, and work when receiving that described dispensing requires requires describedly to wish that image source sends described view data to described data converting apparatus;
The data extract parts, require to wish that from described the described data converting apparatus of the described view data that image source sends receives described composite image data from receiving, extract from this composite image data and give described view data of wishing the described ID numbering of image source according to described server one side dispensing; With
Extract data unit, the described view data that extracts sent to described user's terminal,
Described image source has the view data transmit block, and its work when receiving that described server one side dispensing requires sends to described data converting apparatus with described view data,
Described data converting apparatus has the composite image data transmit block, and it is being worked when described image source is received described view data, and described composite image data is sent to described image delivery server.
3. video delivery system according to claim 2 is characterized in that:
In described dispensing requires, comprise definite described user's terminal and can carry out the information that the coded data form is promptly wished data mode,
Described image delivery server has the data mode of hope notice parts, and it wishes that with described data mode is notified to described data converting apparatus,
Described data converting apparatus will be transformed to the described data mode of wishing from the view data that described image source is received.
4. video delivery system according to claim 3 is characterized in that:
Describedly wish that data mode is MPEG4 form or form H.264.
5. according to any described video delivery system in the claim 1~3, it is characterized in that:
Described user's terminal is the portable terminal that is carried by the user.
6. an image allocator is obtained view data, according to the dispensing requirement from user's terminal, gives corresponding user's terminal with image distributing,
Described image allocator is carried out following step:
Give the ID that is used for the recognition image source numbering to obtained view data, send the step of the view data of giving the ID numbering;
A plurality of view data that reception sends from a plurality of image sources, a plurality of view data with ID numbering administrative institute receives synthesize the step that sends after the unitary composite view data;
The dispensing that will comprise the ID numbering that is used for the recognition image source requires to send to the step of image delivery server; With
Receive described composite image data after synthetic, accept the dispensing requirement that comprises the ID numbering that is used for the recognition image source, extract and the corresponding view data of described dispensing requirement according to the ID numbering from described composite image data, this view data that extracts is sent to the step of corresponding user's terminal.
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