CN108093298A - Image transmission system - Google Patents
Image transmission system Download PDFInfo
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- CN108093298A CN108093298A CN201711133540.7A CN201711133540A CN108093298A CN 108093298 A CN108093298 A CN 108093298A CN 201711133540 A CN201711133540 A CN 201711133540A CN 108093298 A CN108093298 A CN 108093298A
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- image data
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- filming apparatus
- image
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 73
- 230000006835 compression Effects 0.000 claims abstract description 58
- 238000007906 compression Methods 0.000 claims abstract description 58
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 8
- 241001269238 Data Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000015654 memory Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012508 change request Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000003252 repetitive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 241000288673 Chiroptera Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44245—Monitoring the upstream path of the transmission network, e.g. its availability, bandwidth
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Studio Devices (AREA)
Abstract
The problem of the present invention is in a kind of image transmission system for the transmission that other data can be carried out from the active state of network used in the transmission of image data or so ground of offer.For this purpose, camera apparatus possesses：Generate the image pickup part of the first image data；The test section of the variation of the frequency band that can be communicated of the connected network of detection；Testing result based on test section changes the compression unit of the compression ratio of the first image data；With the communication unit that compressed first image data from compression unit is sent to network.Server possesses the receiving part that compressed first image data is received from network.Camera apparatus increases the compression ratio of compression unit, vacates the frequency band that can be communicated of network, and the frequency band vacated in network is used for the communication of the data beyond the first image data.
Description
Technical field
The present invention relates to the image transmission systems for having used filming apparatus and server.
Background technology
Patent document 1 discloses a kind of newer system of firmware via network and method.The system possesses：Monitoring unit,
It monitors network bands；Calculating part, the threshold level of calculating network frequency band；And judging part, judge whether less than threshold value.By
This, can implement the update of firmware so that do not hinder other network activities when network bands are less than threshold level.
Citation
Patent document
Patent document 1：No. 4711586 publications of Japanese Patent No.
The content of the invention
The subject that the invention solves
The present invention provides one kind in image transmission system, can be from the activity of the network used in image transmission
Carry out the image transmission system of other data transmissions state left-right.
Means for solving the problems
Image transmission system in the present invention be possess via network send the first image data camera apparatus and from
Network receives the image transmission system of the server of the first image data.Camera apparatus possesses following structure (1)~(4).
(1) image pickup part of the first image data is generated.(2) test section of the variation of the frequency band that can be communicated of network is detected.(3) it is based on
The testing result of test section changes the compression unit of the compression ratio of the first image data.(4) sent to network from compression unit
The communication unit of compressed first image data.Server possesses following structure (5).(5) the first of compression is received from network
The receiving part of image data.Camera apparatus increases the compression ratio of compression unit, vacates the frequency band that can be communicated of network, network
In the frequency band vacated for the data beyond the first image data communication.
Invention effect
Image transmission system in the present invention preferentially sends the image data in transmission while image transmission is carried out
In the case of data in addition very effectively.
Description of the drawings
Fig. 1 is the schematic diagram for the system structure for showing the image transmission system in embodiment 1.
Fig. 2 is the block diagram for the structure for showing the filming apparatus in embodiment 1.
Fig. 3 is the block diagram for the structure for showing the server in embodiment 1.
Fig. 4 is the graph for the variation for showing the network bands in embodiment 1.
Fig. 5 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 1.
Fig. 6 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 2.
Fig. 7 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 3.
Fig. 8 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 4.
Fig. 9 is the schematic diagram for the system structure for showing the image transmission system in other modes.
Reference sign
10th, 20 image transmission system
100 networks
110 servers
120 filming apparatus
130 CCD
140 A/D converters
150 compression units
160 receiving and transmitting parts
170 CPU
180 radio sections
190 maximum band test sections
200 input units
210 receiving and transmitting parts
220 CPU
230 decompression portions
240 memories
250 input units
260 display devices.
Specific embodiment
Hereinafter, suitably referring to the drawings, it is described in detail embodiment.But there are the feelings omitted and be excessively described in detail
Condition.For example, in the presence of omit have been known item detailed description, for substantially the same structure repeated explanation feelings
Condition.This be in order to avoid the following description becomes excessively tediously long, make skilled addressee readily understands that.
In addition, attached drawing and the following description are in order to which those skilled in the art are completely understood by the present invention and provide,
It is not intended to limit the theme recorded in the appended claims by these contents.
(embodiment 1)
Hereinafter, embodiment 1 is illustrated using Fig. 1~5.
[1-1. structures]
[1-1-1, network connection architecture]
Fig. 1 is the schematic diagram for the system structure for showing the image transmission system 10 in embodiment 1.Fig. 1 shows multiple bats
It takes the photograph device 120 and is connected to network 100, server 110 receives the state during image taken by each filming apparatus 120.Respectively
A filming apparatus 120 can utilize cable network or wireless network to be connected via 100 grade of network with server 110.Filming apparatus
120 concrete example is, for example, mobile camera.
[structure of 1-1-2. filming apparatus]
The structure of the filming apparatus involved by embodiment 1 is illustrated using Fig. 2.Fig. 2 is shown in embodiment 1
Filming apparatus structure block diagram.Filming apparatus 120 has：Shot object image is imaged and generates image data and (is existed
The referred to as situation of " image data ") CCD130；The A/D converter of digital conversion is carried out to the image data generated by CCD130
140；The compression unit 150 of transcoding, coding transform is carried out to carrying out the image data after digital conversion by A/D converter 140；With via net
Network 100 will be sent to the receiving and transmitting part 160 of server 110 by 150 compressed image data of compression unit.In addition, filming apparatus 120
With CPU170, CPUI70 obtains the bitrate information sent by server 110 from receiving and transmitting part 160, and compression unit 150 is indicated
Compression ratio.Filming apparatus 120 is an example of camera apparatus.Hereinafter, the structure of filming apparatus 120 is described in detail.
CCD130 images shot object image, and generates image data.CCD130 include colour filter, photo detector and
AGC (Auto Gain Controller, automatic gain controller).Photo detector will be become by the optical signalling of optical system optically focused
Electric signal is changed to, generates image information.The electric signal exported from photo detector is amplified by AGC.
The simulated image data generated by CCD130 is transformed to digitized map by A/D converter 140 (analog-to-digital converter)
As data.
Compression unit 150 is directed to the digital image data after being converted by A/D converter 140, receives the control of CPU170, according to
It follows H.264 standard or H.265 compressed format of standard etc. is compressed.In addition, as the upper of compression ratio when being compressed
Limit bit rate is indicated by CPU170.
Receiving and transmitting part 160 carries out the transmitting-receiving of data via radio section 180 and wireless network connection.Receiving and transmitting part 160 and wireless
Portion 180 forms communication unit.
Maximum band test section 190 determines that filming apparatus 120 can according to the bitrate information sent by server 110
The maximum frequency band of transmission.Maximum band test section 190 is an example of test section.
The maximum frequency band letter that the filming apparatus 120 that CPU170 acquirements are determined by maximum band test section 190 can transmit
Breath, and compression unit 150 is indicated so that so as to the maximum frequency band of transmission is compressed.CPU170 is video camera control
An example in portion processed.
Input unit 200 has the function of the instruction for accepting user.For example, with button, touch panel etc..
[structure of 1-1-3. servers]
The structure of the server involved by embodiment 1 is illustrated using Fig. 3.Fig. 3 is shown in embodiment 1
The block diagram of the structure of server.Server 110 has：Via network 100, the transmitting-receiving of data transmit-receive is carried out with filming apparatus 120
Portion 210；According to the reception situation of the image data received from receiving and transmitting part 210, transmission bit rate is determined, and via receiving and transmitting part
210 send the CPU220 of indication bit rate information to filming apparatus 120；To from the image data that filming apparatus 120 receives into
Decoded decompression portion (the Japanese original text of row：Shen Long portions) 230；With the memory 240 for preserving the second image data.Hereinafter, in detail
Illustrate the structure of server 110.Memory 240 is an example of record portion.
Receiving and transmitting part 210 and cable network or wireless network connection, carry out the transmitting-receiving of data.Receiving and transmitting part 210 is receiving part
An example.
The reception situation for the image data that CPU220 is sent via receiving and transmitting part 210, to filming apparatus 120 confirms, and
It determines the transmission bit rate of filming apparatus 120, carries out transmission instruction.CPU220 is an example of server controller.
Decompression portion 230 is decoded the image data from filming apparatus 120 obtained by receiving and transmitting part 210, and makes
Display device 260 shows image.
Memory 240 uses in the data beyond the image data received from filming apparatus preserve.For example, as image
Data, filming apparatus firmware update firmware.
Input unit 250 has the function of the instruction for accepting user.For example, with button, touch panel, keyboard, mouse etc..
[1-2. actions]
On filming apparatus 120 as constructed as above and server 110, illustrate its action below.
[change of upper limit bit rates of the 1-2-1. based on firmware update request]
Fig. 4 is the graph for the variation for showing the network bands in embodiment 1.Section x1, x2 shown in Fig. 4 are shown
The state during stabilization of image data is sent, section t shows the state that firmware is sent together with image data.Fig. 5 is explanation
The flow chart of the action of filming apparatus and server in embodiment 1.
When stablizing, filming apparatus 120 carries out server 110 transmission (S501) of image data.At this point, receive image number
According to server 110 bit rate computing is carried out by CPU220 based on the reception situation of the image data received, and via service
The receiving and transmitting part 210 of device 110, to 120 Transmit Bit Rate information (S502) of filming apparatus.Then, filming apparatus 120 is based on from service
The bitrate information that device 110 is fed back, determines the compression ratio of image data, compressed image data is sent to server.Such as
This, as shown in the section x1 of Fig. 4, the transmission bit rate of transmitted image data is changing.
At this point, it is set to preserve the new firmware (S503) of filming apparatus 120 in the memory 240 of server 110.Service
If device 110 detects the situation for the new firmware that filming apparatus 120 is preserved in memory 240, filming apparatus 120 is carried out
The newer request of firmware.
Filming apparatus 120 receives the newer request of firmware from server 110, and is examined by maximum band test section 190
Survey transmission bit rate (S504).The CPU170 of filming apparatus 120 is calculated and made in order to ensure the network bands needed for the reception of firmware
Change for the upper limit bit rate of the compression ratio of image data, and from the compression ratio to the progress image data of compression unit 150 is asked
(S505)。
At this point, the compression ratio of change considers to receive the required network of firmware in the given time as shown in the section t of Fig. 4
Banded amount and be determined.As a result, the image data sent from filming apparatus 120 is reduced in the maximum band compared with network
It is sent under the state of transmission bit rate (high compression).
Then, server 110 is efficiently used through the transmission bit rate of image data measuring accordingly of reducing to generate
Frequency band carries out the transmission (S506) of the new firmware of filming apparatus in the section t of Fig. 4.
Then, if firmware is sent completely, server 110 is logical to being sent completely for the transmission firmware of filming apparatus 120
Know (S507).
If the filming apparatus 120 for receiving the notice being sent completely of firmware detects completion notice, by filming apparatus
CPU170 the change instruction of rate is compressed to compression unit 150, the compression ratio for making image data is extensive as the section x2 of Fig. 4
The upper limit bit rate (S508) of original stabilization is arrived again.
[effect of 1-3. embodiments 1 and effect]
Image transmission system involved by embodiment 1 (is equivalent in the transmission image data from filming apparatus to server
First image data) while new firmware as the data beyond image data is preferentially sent from server to filming apparatus
In the case of very effectively.
(embodiment 2)
Hereinafter, embodiment 2 is illustrated using Fig. 6.
[2-1 structures]
[2-1-1. network connection architectures]
The network connection architecture of image transmission system 10 involved by embodiment 2 is identical with embodiment 1, therefore omits
Repeat description.
[structure of 2-1-2. filming apparatus]
Filming apparatus 120 involved by embodiment 2 is the structure identical with embodiment 1, therefore omits saying for repetition
It is bright.
[structure of 2-1-3. servers]
Server 110 involved by embodiment 2 is the structure identical with embodiment 1, therefore the repetitive description thereof will be omitted.
[2-2. actions]
On filming apparatus 120 as constructed as above and server 110, illustrate its action below.
[change of upper limit bit rates of the 2-2-1. based on data sending request]
Fig. 6 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 2.
When stablizing, filming apparatus 120 carries out the transmission of the first image data for server 110 as image data
(S601).At this point, receive the server 110 of the first image data based on the reception situation of the first received image data by
CPU220 carries out bit rate computing, and via the receiving and transmitting part 210 of server 110, to 120 Transmit Bit Rate information of filming apparatus
(S602).State when such stable is identical with embodiment 1.
At this point, it is set to carry out the transmission of the second image data by user's instruction in the input unit 250 of server 110
It asks (S603).If server 110 detects that user indicates from input unit 250, the second image number is carried out to filming apparatus 120
According to reception ask.
Filming apparatus 120 receives the reception request of the second image data from server 110, by maximum band test section
190 detection transmission bit rates (S604).Nets of the CPU170 of filming apparatus 120 needed in order to ensure the reception of the second image data
Network frequency band calculates the upper limit bit rate of the compression ratio as the first image data, and carries out the first image data to compression unit 150
Compression ratio change request (S605).
At this point, the compression ratio of change in the same manner as the situation of the transmission firmware shown in the section t of Fig. 4, is considered given
Time receives the network bands amount needed for the second image data and is determined.As a result, the first shadow sent from filming apparatus 120
As data are sent under the state (high compression) for reducing transmission bit rate compared with the maximum band of network 100.
Then, server 110 is efficiently used since the transmission bit rate of the first image data reduces and generates corresponding
The frequency band of amount, in the same manner as the situation of the section t of Fig. 4, the second shadow for filming apparatus 120 be stored in memory 240
As the transmission (S606) of data.
Then, if the second image data is sent completely, server 110 sends the second image number to filming apparatus 120
According to the notice (S607) being sent completely.
If the filming apparatus for receiving the notice being sent completely of the second image data detects completion notice, pass through bat
The CPU170 for taking the photograph device is compressed compression unit 150 change instruction of rate, makes the area of compression ratio such as Fig. 4 of the first image data
Between x2 be restored to the upper limit bit rate (S608) of original stabilization like that.
[effect of 2-3. embodiments 2 and effect]
Image transmission system involved by embodiment 2 is sending the same of the first image data from filming apparatus to server
When preferentially from server to filming apparatus send as the data beyond the first image data the second image data situation
Under very effectively.
(embodiment 3)
Hereinafter, embodiment 3 is illustrated using Fig. 7.
[3-1. structures]
[3-1-1. network connection architectures]
The network connection architecture of image transmission system 10 involved by embodiment 3 is identical with embodiment 1, therefore omits
Repeat description.
[structure of 3-1-2. filming apparatus]
Filming apparatus 120 involved by embodiment 3 is the structure identical with embodiment 1, therefore omits saying for repetition
It is bright.
[structure of 3-1-3. servers]
Server 110 involved by embodiment 3 is the structure identical with embodiment 1, therefore the repetitive description thereof will be omitted.
[3-2. actions]
On filming apparatus 120 as constructed as above and server 110, illustrate its action below.
[change for the upper limit bit rate that 3-2-1. is asked based on data receiver]
Fig. 7 is the flow chart for the action for illustrating filming apparatus and server in embodiment 3.
When stablizing, filming apparatus 120 carries out the transmission of the first image data for server 110 as image data
(S701).At this point, receive the server 110 of the first image data based on the reception situation of the first received image data by
CPU220 carries out bit rate computing, and via the receiving and transmitting part 210 of server 110, to 120 Transmit Bit Rate information of filming apparatus
(S702).State when such stable is identical with embodiment 1.
At this point, it is set to carry out data receiver request by user's instruction in the input unit 250 of server 110
(S703).If server 110 detects that user indicates from input unit 250, the second image data is carried out to filming apparatus 120
Send request.
Filming apparatus 120 receives the transmission request of the second image data from server 110, by maximum band test section
190 detection transmission bit rates (S704).Nets of the CPU170 of filming apparatus 120 needed in order to ensure the transmission of the second image data
Network frequency band calculates the upper limit bit rate of the compression ratio as the first image data, and carries out the first image data to compression unit 150
Compression ratio change request (S705).
At this point, the compression ratio of change in the same manner as the situation of the transmission firmware shown in the section t of Fig. 4, is considered given
Time sends the network bands amount needed for the second image data and is determined.As a result, the first shadow sent from filming apparatus 120
As data are sent under the state (high compression) for reducing transmission bit rate compared with the maximum band of network 100.
Then, filming apparatus 120 is efficiently used since the transmission bit rate of the first image data reduces and generates corresponding
Amount frequency band, in the same manner as the situation of the section t of Fig. 4, to server 110 carry out the second image data transmission (S706).
Filming apparatus 120 can also have to record the record portion of the second image data.
Then, if the second image data is sent completely, filming apparatus 120 sends the second image number to server 110
According to the notice (S707) being sent completely.
The filming apparatus 120 for having sent the notice being sent completely of the second image data passes through filming apparatus 120
CPU170 is compressed compression unit 150 change instruction of rate, makes the compression ratio of the first image data as the section x2 of Fig. 4
It is restored to the upper limit bit rate (S708) of original stabilization.
[effect of 3-3. embodiments 3 and effect]
Image transmission system involved by embodiment 3 is sending the same of the first image data from filming apparatus to server
When preferentially from filming apparatus to server send as the data beyond the first image data the second image data situation
Under very effectively.
(embodiment 4)
Hereinafter, embodiment 4 is illustrated using Fig. 8.
[4-1. structures]
[4-1-1. network connection architectures]
The network connection architecture of image transmission system 10 involved by embodiment 4 is identical with embodiment 1, therefore omits
Repeat description.
[structure of 4-1-2. filming apparatus]
Filming apparatus 120 involved by embodiment 4 is the structure identical with embodiment 1, therefore omits saying for repetition
It is bright.
[structure of 4-1-3. servers]
Server 110 involved by embodiment 4 is the structure identical with embodiment 1, therefore the repetitive description thereof will be omitted.
[4-2. actions]
On filming apparatus 120 as constructed as above and server 110, illustrate its action below.
[change of upper limit bit rates of the 4-2-1. based on data sending request]
Fig. 8 is for illustrating the flow chart of the action of filming apparatus and server in embodiment 4.
When stablizing, filming apparatus 120 carries out the transmission of the first image data for server 110 as image data
(S801).At this point, receive the server 110 of the first image data based on the reception situation of the first received image data by
CPU220 carries out bit rate computing, and via the receiving and transmitting part 210 of server 110, to 120 Transmit Bit Rate information of filming apparatus
(S802).State when such stable is identical with embodiment 1.
At this point, it is set to carry out the hair of the second image data by user's instruction in the input unit 200 of filming apparatus 120
Send request (S803).If the transmission that filming apparatus 120 indicates to be carried out the second image data by user is asked, then by most
Big frequency band test section 190 detects transmission bit rate (S804).The CPU170 of filming apparatus 120 is in order to ensure the second image data
Network bands needed for sending, calculate the upper limit bit rate of the compression ratio as the first image data, and are carried out to compression unit 150
The change request (S805) of the compression ratio of first image data.
At this point, the compression ratio of change in the same manner as the situation of the transmission firmware shown in the section t of Fig. 4, is considered given
Time sends the network bands amount needed for the second image data and is determined.As a result, the first shadow sent from filming apparatus 120
As data are sent under the state (high compression) for reducing transmission bit rate compared with the maximum band of network 100.
Then, filming apparatus 120 is efficiently used since the transmission bit rate of the first image data reduces and generates corresponding
Amount frequency band, in the same manner as the situation of the section t of Fig. 4, to server 110 carry out the second image data transmission (S806).
Filming apparatus 120 can also have to record the record portion of the second image data.
Then, if the second image data is sent completely, filming apparatus 120 sends the second image number to server 110
According to the notice (S807) being sent completely.
The filming apparatus 120 for having sent the notice being sent completely of the second image data passes through filming apparatus 120
CPU170 is compressed compression unit 150 change instruction of rate, makes the compression ratio of the first image data as the section x2 of Fig. 4
It is restored to the upper limit bit rate (S808) of original stabilization.
[effect of 4-3. embodiments 4 and effect]
Image transmission system involved by embodiment 4 is sending the same of the first image data from filming apparatus to server
When preferentially from filming apparatus to server send as the data beyond the first image data the second image data situation
Under very effectively.
(other embodiments)
As described above, the illustration as disclosed technology in this application, is illustrated embodiment 1~4.But
It is that it's not limited to that for the technology in the present invention, can also apply to carry out the embodiment party of change, displacement, additional, omission etc.
Formula.In addition it is also possible to which each inscape illustrated in the above embodiment 1~4 is combined, become new embodiment.
Therefore, below, other embodiments are illustrated.
In embodiment 1~4, filming apparatus 120 communicates via network 100 with server 110, but can also be as
Fig. 9 is such, and filming apparatus 120 is connected via mobile router 270 with network 100, mobile network can also be utilized to form image
The system of Transmission system 20.
In embodiment 1~4, ccd image sensor is illustrated as an example of imaging sensor.Imaging sensor
As long as shot object image is imaged and generates the imaging sensor of image data.Therefore, imaging sensor and unlimited
Due to ccd image sensor.But, if using ccd image sensor as imaging sensor, image can inexpensively be obtained
Sensor.In addition it is also possible to using cmos image sensor as imaging sensor.If using cmos image sensor as figure
It is as sensor, then very effective in terms of the inhibition of power consumption.
In embodiment 1~4, as the controller of control information, CPU170 is illustrated.As long as CPU170
The component of filming apparatus 120 is controlled, then physically can arbitrarily be formed.Therefore, controller is not limited to CPU170.No
It crosses, if using the microcomputer that can be programmed, it can be by the change of program come exception processes content, therefore can improve
The degree of freedom of the design of controller.In addition, CPU170 can also be realized by hard logic.If it is realized by hard logic
CPU170, then in terms of the raising of processing speed very effectively.Controller can be both made of a semiconductor chip, can also object
Reason ground is made of multiple semiconductor chips.In the case where being made of multiple semiconductor chips, claims institute can also be made
Each control recorded is realized respectively by different semiconductor chips.In such a case it is possible to think by this multiple semiconductor core
Piece forms a CPU170.In addition, CPU170 by semiconductor chip and can also have the function of different from semiconductor chip
Component (capacitor etc.) is formed.In addition it is also possible to form a semiconductor chip so that realize the function and its in addition of CPU170
Function.
In embodiment 1~4, the reception situation of the first image data is confirmed by server 110, and by server 110
CPU220 carry out bit rate computing, carried out the transmission of bitrate information to filming apparatus 120, but it's not limited to that.Example
It such as, can also be according to the electricity based on wireless network in the case where the receiving and transmitting part 160 of filming apparatus 120 is made of wireless network
The band information of wavy state calculates transmission bit rate by filming apparatus 120.
In embodiment 1, in order to which section t shown in Fig. 4 sends firmware, the network frequency needed for the transmission of firmware is calculated
Band, and the setting of compression ratio has been carried out to the compression unit 150 of filming apparatus 120, but firmware transmission frequency band compared with network
Frequency band and in the case of deficiency, compression ratio can also be set so that as image data transmission needed for minimum transmission bit rate,
The transmission frequency band of firmware is ensured with remaining network bands.
In addition, above-mentioned embodiment is used to illustrate the technology in the present invention, therefore in claims and its can wait
It is made various changes in same scope, replaces, adds, omitting.
Industrial applicibility
The present invention can be applied to the image transmission system being made of filming apparatus and server.Specifically, this hair
It is bright can be applied to wearable video camera, digital still video camera, video recorder, the pocket telephone with camera function,
Smart phone etc..
Claims (3)
1. a kind of image transmission system, possesses：
Camera apparatus sends the first image data via network；With
Server receives first image data from the network,
The camera apparatus possesses following structure (1)~(4)：
(1) image pickup part generates first image data；
(2) test section detects the variation of the frequency band that can be communicated of the network；
(3) compression unit changes the compression ratio of first image data based on the testing result of the test section；With
(4) communication unit sends compressed first image data from the compression unit to the network,
The server possesses following structure (5)：
(5) receiving part receives compressed first image data from the network,
The camera apparatus increases the compression ratio of the compression unit, vacates the frequency band that can be communicated of the network,
The frequency band vacated in the network is used for the communication of the data beyond first image data.
2. image transmission system according to claim 1, wherein,
The server is also equipped with server controller, which judges whether to need to carry out the camera apparatus
Firmware update,
This is updated by the firmware for needing to carry out the camera apparatus of the server controller from the server
The information of sample is come into the increased instruction of compression ratio for exercising the compression unit,
The data beyond first image data are the firmware updates of the camera apparatus from the server
Use data.
3. image transmission system according to claim 1, wherein,
The camera apparatus or the server are also equipped with record portion, and record portion record and first image data are not
The second same image data,
The data beyond first image data are described from the camera apparatus or the server
Two image datas,
In the communication of the network, make second image data prior to first image data.
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| JP2016-225643 | 2016-11-21 | ||
| JP2016225643 | 2016-11-21 | ||
| JP2017202282A JP2018088674A (en) | 2016-11-21 | 2017-10-19 | Video transmission system |
| JP2017-202282 | 2017-10-19 |
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| CN108093298A true CN108093298A (en) | 2018-05-29 |
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