CN107046606A - Picture transmitter device, image real-time display system and image real-time display method - Google Patents
Picture transmitter device, image real-time display system and image real-time display method Download PDFInfo
- Publication number
- CN107046606A CN107046606A CN201610084354.8A CN201610084354A CN107046606A CN 107046606 A CN107046606 A CN 107046606A CN 201610084354 A CN201610084354 A CN 201610084354A CN 107046606 A CN107046606 A CN 107046606A
- Authority
- CN
- China
- Prior art keywords
- image
- current
- receiving
- sent
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
- H04N1/00103—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3188—Scale or resolution adjustment
Abstract
The invention provides a kind of picture transmitter device, image real-time display system and image real-time display method.The picture transmitter device that the present invention is provided, for being communicated to connect with receiving and displaying device to send image to receiving and displaying device, it is characterised in that including：Image file storage part, display parameters storage part, compression parameters storage part, obtain configuration part, gather generating unit, sending side communication unit, calculating part and sending side control unit, sending side communication unit sends image to be sent to receiving and displaying device, and the current cache amount sent to receiving and displaying device is received, calculating part is based on predetermined computation formula and largest buffered amount and current cache gauge calculates current reference parameter, configuration part is obtained based on the corresponding reference parameter scope of current reference parameter acquiring and correspondence compression ratio is obtained, correspondence compression ratio is set as current compression rate, collection generating unit is acquired processing according to the current compression rate being set to the original image that next convey in real time.
Description
Technical field
A kind of image real-time display system the present invention relates to picture transmitter device, comprising the picture transmitter device with
And the image real-time display method for the system.
Background technology
Projecting apparatus has been widely used in the routine work life of people as a kind of large screen projection equipment
In, especially in the more large-scale place of the crowds such as meeting room, classroom, by projecting apparatus user can be allowed individual
The image or video content shown in the office equipment such as people's computer is shown in real time, is easy to all people can
Watched.
Typically, projecting apparatus is directly connected and real-time display image by connecting line with PC, that is to say, that
One projecting apparatus is currently only capable of displaying image or video content in the PC of a user of connection, one
User is currently also only capable of using a projecting apparatus.
, can be simultaneously using same projecting apparatus, or a use in order to meet multiple users based on above mentioned problem
Family can occur in that a kind of Wireless projector in the prior art, it has channel radio simultaneously using many projecting apparatus
Module is believed, when the PC of Wireless projector and user is connected to same wireless network, it becomes possible to connect in real time
Receive the image that sends of PC and shown.
However, above-mentioned Wireless projector is after before use, user is mounted with associative operation software in PC,
Need to manually set display pattern (speed-priority or image quality are preferential) in advance, this brings very big to layman
Puzzlement, it is not known that how this sets.In addition, after user sets display pattern, the figure in PC
Picture or video information are only capable of carrying out collection transmission in real time according to fixed compression ratio, when network signal is bad, very
Easily occur frame losing, damage, the situation for even sending failure, cause projecting apparatus can not show present image；
When network signal is preferable, network can not be made full use of again, the wasting of resources is caused.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that compression can be adjusted in real time by providing one kind
Rate is so as to ensure the image real-time display system of image superior quality transmission.
The present invention to achieve these goals, employs following structure：
<Structure 1>
The invention provides a kind of picture transmitter device, for being communicated to connect with receiving and displaying device with aobvious to receiving
Showing device sends original image, it is characterised in that including：Image file storage part, display parameters storage part,
Compression parameters storage part, acquisition configuration part, collection generating unit, sending side communication unit, calculating part, sending side control
Portion processed, wherein, image file storage part is used to store the image file containing plural frame original image, display ginseng
Number storage part is used to be stored in display image on receiving and displaying device corresponding largest buffered amount and initial compression
Rate, compression parameters storage part is used to store correspondence compression ratio and the reference parameter model related to the corresponding compression ratio
Enclose, obtaining configuration part is used to obtain largest buffered amount from display parameters storage part and as the first of current compression rate
Beginning compression ratio, collection generating unit is based on current compression rate and processing is acquired to original image and figure to be sent is generated
Picture, sending side communication unit is used to send image to be sent to receiving and displaying device, and at least receiving
The current cache amount that display device is sent, calculating part is based on predetermined computation formula and largest buffered amount and current
Buffer memory calculates current reference parameter, obtains configuration part and is based on current reference parameter from compression parameters storage part
Corresponding reference parameter scope is obtained, correspondence compression ratio is further obtained, and correspondence compression ratio is set as working as
Preceding compression ratio, sending side control unit control collection generating unit is according to the current compression rate being set to next real
When the original image that conveys be acquired processing.
<Structure 2>
Further, present invention also offers a kind of image real-time display system, it is characterised in that including：For
The image for sending image in real time sends end；And for passing through cordless communication network real-time reception image transmitting terminal
Image that portion the is sent and reception shown shows end, wherein, image sends end and includes at least one
Picture transmitter device, picture transmitter device is<Structure 1>In picture transmitter device, receive show end bag
Containing at least one and the reception being connected is communicated by cordless communication network and each picture transmitter device to show
Device, each receiving and displaying device at least sends current cache amount to picture transmitter device.
<Structure 3>
Further, present invention also offers a kind of image real-time display method, it is characterised in that：Obtain with connecing
Receive and show the corresponding largest buffered amount of the end display image to be shown and the initial compression as current compression rate
Rate, is acquired to original image based on current compression rate and handles and generate image to be sent, by image to be sent
Send to receiving and displaying device, and obtain the current cache amount that receiving and displaying device is sent, based on predetermined computation
Formula and largest buffered amount and current cache gauge calculate current reference parameter, based on current reference parameter acquiring
Corresponding reference parameter scope, further obtains correspondence compression ratio, and correspondence compression ratio is set as into current pressure
Shrinkage, control collection generating unit is according to the current compression rate being set to the original image that next to convey in real time
It is acquired processing.
The effect of invention and effect
According to picture transmitter device involved in the present invention, image real-time display system and the image side of display in real time
Method, because buffer memory acquisition unit can obtain the current cache amount corresponding with cache image from buffer unit, connects
Receiving side communication unit can send current cache amount to corresponding picture transmitter device, hair according to sending side identifier
The current cache amount for sending side communication unit to send receiving and displaying device is received, and calculating part can be based on predetermined
Calculation formula and largest buffered amount and current cache gauge calculate current reference parameter, and obtaining configuration part being capable of base
Corresponding reference parameter scope is obtained from compression parameters storage part in current reference parameter, is further able to obtain
Correspondence compression ratio is taken, and correspondence compression ratio is set as current compression rate, so, image of the invention shows in real time
Show that system can adjust current compression rate in real time according to network condition, so as to realize automatic real-time Transmission high-quality
Picture.
Brief description of the drawings
Fig. 1 is the block diagram of image real-time display system in embodiments of the invention；
Fig. 2 is the structural representation of image real-time display system in embodiments of the invention；
Fig. 3 is the block diagram of picture transmitter device in embodiments of the invention；
Fig. 4 is the block diagram of receiving and displaying device in embodiments of the invention；
Fig. 5 a are XGA projectors display parameters storage tables in embodiments of the invention, and Fig. 5 b are the implementation of the present invention
Li Zhong WXGA projectors display parameters storage table, Fig. 5 c are FullHD projectors in embodiments of the invention
Display parameters storage table；
Fig. 6 is the schematic diagram of display pattern setting screen in embodiments of the invention；
Fig. 7 is the schematic diagram of compression parameters corresponding table in embodiments of the invention；
Fig. 8 is the action flow chart of image real-time display system in embodiments of the invention；And
Fig. 9 is the transmission image frame loss rate of the image real-time display system of the present invention and the contrast chart of prior art.
Embodiment
Hereinafter, image real-time display system of the present invention is elaborated with structural map referring to the drawings.
As in the first embodiment, the invention provides a kind of picture transmitter device, for being shown with receiving
Device communicates to connect to send original image to the receiving and displaying device, it is characterised in that including：Image text
Part storage part, display parameters storage part, compression parameters storage part, acquisition configuration part, collection generating unit, transmission
Side communication unit, calculating part, sending side control unit, wherein, described image file storage part is used to store containing multiple
The image file of number frame original image, the display parameters storage part is used to be stored in the receiving and displaying device
Display image corresponding largest buffered amount and initial compression rate, the compression parameters storage part are used to store correspondence
Compression ratio and the reference parameter scope related to the corresponding compression ratio, the acquisition configuration part are used for from described aobvious
Show and the largest buffered amount and the initial compression rate as current compression rate are obtained in parameter storage part, it is described
Collection generating unit is based on the current compression rate and processing is acquired to the original image and figure to be sent is generated
Picture, the sending side communication unit is used to send the image to be sent to the receiving and displaying device, and is used for
The current cache amount that the receiving and displaying device is sent at least is received, the calculating part is based on predetermined computation
Formula and the largest buffered amount and the current cache gauge calculate current reference parameter, the acquisition setting
Portion obtains the corresponding reference parameter based on the current reference parameter from the compression parameters storage part
Scope, further obtains correspondence compression ratio, and the correspondence compression ratio is set as into the current compression rate, institute
The sending side control unit control collection generating unit is stated according to the current compression rate being set to next
The original image conveyed in real time carries out the acquisition process.
In the first embodiment, it can also have the feature that, in addition to：Judging part, wherein, institute
State sending side communication unit and also receive the timestamp that the receiving and displaying device is sent, the judging part is based on current
Whether the buffer memory that the timestamp received is currently received with the preceding timestamp judgement once received
Effectively, when being judged as YES, the calculating part is based on predetermined computation formula and the largest buffered amount and described
Current cache gauge calculates the current reference parameter.
In the first embodiment, it can also have the feature that：Wherein, display parameters storage part is also deposited
Contain image quality coefficient and differentiate rate coefficient, predetermined computation formula is：Current reference parameter=current cache amount *
Image quality coefficient * differentiates rate coefficient/largest buffered amount.
In the first embodiment, there can also be such feature, in addition to：Picture storage part, for depositing
Store up at least one display pattern setting screen；And input display part, for showing the display pattern setting picture
Face, wherein, it is corresponding with least one display pattern difference that the display parameters storage part is additionally operable to storage
Largest buffered amount and initial compression rate, the display pattern of the acquisition configuration part based on setting is from the display
The corresponding largest buffered amount is obtained in parameter storage part.
As in second of embodiment, the present invention also provides a kind of image real-time display system, with such
Feature, including：Image for sending image in real time sends end；And
For sending the image that sends of end by cordless communication network real-time reception described image and being shown
The reception shown shows end, wherein, described image sends end and includes at least one picture transmitter device, described
Picture transmitter device is the picture transmitter device of the first embodiment, and the reception shows that end includes at least one
It is individual and the receiving and displaying device being connected is communicated with each described image dispensing device by cordless communication network,
Each receiving and displaying device at least sends the current cache amount to described image dispensing device.
In second of embodiment, there can also be such feature：Wherein, described image sends end and included
Multiple described image dispensing devices, each described image dispensing device has its sending side identifier respectively, described
Receive and show that end includes multiple receiving and displaying devices, and each receiving and displaying device has connect respectively
Side identifier is received, its described receiving side identifier is sent to image to send by each receiving and displaying device to be filled
Put.
In second of embodiment, there can also be such feature：Wherein, the receiving and displaying device is included：
Receiving side communication unit, buffer unit, display part and buffer memory acquisition unit, the receiving side communication unit are used to receive
The image to be sent and the sending side identifier that described image dispensing device is sent, the buffer unit pair
The image to be sent received and the corresponding storage of the sending side identifier progress, so as to obtain caching figure
Picture, the display part shows successively to the cache image received, and the buffer memory acquisition unit is from institute
The acquisition current cache amount corresponding with the cache image in buffer unit is stated, the receiving side communication unit is based on institute
Sending side identifier is stated to send the current cache amount to described image dispensing device.
In second of embodiment, there can also be such feature：Wherein, described image dispensing device is the
A kind of picture transmitter device of embodiment, the receiving and displaying device also includes timestamp configuration part, when described
Between stamp configuration part current time is set as timestamp, the receiving side communication unit works as the timestamp with described
Preceding buffer memory is together sent to described image dispensing device.
In addition, as the third embodiment, present invention also offers a kind of image real-time display method, it is special
Levy and be：Obtain largest buffered amount corresponding with receiving the display end display image to be shown and as current
The initial compression rate of compression ratio, is acquired to original image based on the current compression rate and handles and generate pending
Image is sent, the image to be sent is sent to receiving and displaying device, and obtains the receiving and displaying device and is sent
The current cache amount come, based on predetermined computation formula and the largest buffered amount and the current cache amount
Current reference parameter is calculated, based on the corresponding reference parameter scope of the current reference parameter acquiring,
Correspondence compression ratio is further obtained, and the correspondence compression ratio is set as the current compression rate, control collection
Generating unit is carried out according to the current compression rate being set to the original image that next convey in real time
The acquisition process.
In the third embodiment, there can also be such feature, in addition to：Setting display mode, is obtained
The largest buffered amount corresponding with the display pattern, receive that described image dispensing device sends described treats
Image and the sending side identifier are sent, the image to be sent being received and the sending side are recognized
Number carry out correspondence storage, so as to obtain cache image, the cache image received is shown successively,
The current cache amount corresponding with the cache image is obtained from the receiving and displaying device, based on the hair
Side identifier is sent to send the current cache amount to described image dispensing device.
In the third embodiment, there can also be such feature, in addition to：When current time is set as
Between stab, the current cache amount and the timestamp are sent to the figure simultaneously based on the sending side identifier
As dispensing device, the current cache amount and the timestamp, base that the receiving and displaying device is sent are received
The caching for judging to be currently received in the timestamp being currently received and the preceding timestamp once received
Whether amount is effective, when being judged as YES, and predetermined computation formula and the largest buffered amount are based on using calculating part
Current reference parameter is calculated with the current cache gauge.
<Embodiment>
Fig. 1 is the block diagram of image real-time display system in embodiments of the invention；Fig. 2 is embodiments of the invention
The schematic diagram of middle image real-time display system.
As illustrated in fig. 1 and 2, in the present embodiment, image real-time display system 100 is used for real-time display image,
It includes image and sends end 200 and receive display end 300.
Image, which sends end 200, to be used to send image in real time, and it includes four picture transmitter devices 10.Image
Send end 200 and show that end 300 is connected with receiving by cordless communication network 400.
In the present embodiment, four structures of picture transmitter device 10 are identical, only an image is sent filled herein
10 are put to be illustrated.Picture transmitter device 10 can be by computer, PC etc. as IMAQ send out
Device is sent, allows operator to carry out associative operation, it has unique sending side identifier.In addition, image
Dispensing device 10 is communicated with receiving and displaying device 20 by communication network 400 and is connected, so, and image can
It is sent to receiving and displaying device 20 to be shown by picture transmitter device 10 and communication network 400.
Fig. 3 is the block diagram of picture transmitter device in embodiments of the invention.
As shown in figure 3, picture transmitter device 10 comprising image file storage part 11, display parameters storage part 12,
Picture storage part 13, compression parameters storage part 14, input display part 15, acquisition configuration part 16, collection generation
Not shown temporary storage part and control in portion 17, sending side communication unit 18, judging part 19, calculating part 110, figure
Make the sending side control unit 111 in above-mentioned each portion.
Receive and show that end 300 sends end 100 by the real-time reception image of cordless communication network 400 and sent
Image and shown, it includes three receiving and displaying devices 20.
In the present embodiment, three structures of receiving and displaying device 20 are identical, only receive display dress to one herein
20 are put to be illustrated.Receiving and displaying device 20 can be by projecting apparatus, computer, TV etc. as image-receptive
Display device, it has a unique receiving side identifier.Here, receiving and displaying device 20 can be XGA
Any one in projector, WXGA projectors and FullHD projectors.
Fig. 4 is the block diagram of receiving and displaying device in embodiments of the invention.
As shown in figure 4, receiving and displaying device 20 includes receiving side communication unit 21, buffer unit 22, display part
23rd, the receiving side control unit 26 of buffer memory acquisition unit 24, timestamp configuration part 25 and the above-mentioned each portion of control.
Image file storage part 11 is used to store not shown Streaming Media to be sent in figure.The Streaming Media to be sent
As existing video file, it is made up of the original image containing plural frame.
Display parameters storage part 12 is used to store XGA projectors display parameters storage table, WXGA projectors
Display parameters storage table and FullHD projectors display parameters storage table.
Fig. 5 a are XGA projectors display parameters storage tables in embodiments of the invention.
As shown in Figure 5 a, XGA projectors display parameters storage table 40 includes the first viewing area 41.XGA
It can know that the display pattern stored is thrown comprising full screen presentation, 4in1 in projector's display parameters storage table 40
Shadow and full frame animation, and parameter corresponding with each display pattern can be known.For example, receiving display
On device 20 (XGA projectors) in " full screen presentation " display pattern, corresponding largest buffered amount is " 21M ",
Initial compression rate is " 4:1 ", it is " 1.00 " to differentiate rate coefficient, and image quality coefficient is " 0.95 " in fine pattern.
Fig. 5 b are WXGA projectors display parameters storage tables in embodiments of the invention.
As can be seen that WXGA projectors display parameters storage table 50 includes the first viewing area from Fig. 5 b
51.It can know that the display pattern stored is drilled comprising full frame in WXGA projectors display parameters storage table 50
Show, 4in1 is projected and full frame animation, and can be known parameter corresponding with each display pattern.For example,
It is corresponding maximum slow on receiving and displaying device 20 (WXGA projectors) in " full screen presentation " display pattern
Storage is " 27M ", and initial compression rate is " 4:1 ", it is " 0.98 " to differentiate rate coefficient, and image quality coefficient is in fine pattern
When be " 0.95 ".
Fig. 5 c are FullHD projectors display parameters storage tables in embodiments of the invention.
As can be seen that FullHD projectors display parameters storage table 60 includes the first viewing area from Fig. 5 c
61.It can know that the display pattern stored is drilled comprising full frame in FullHD projectors display parameters storage table 60
Show, 4in1 is projected and full frame animation, and can be known parameter corresponding with each display pattern.For example,
FullHD projectors display parameters storage table 60 is " full frame on receiving and displaying device 20 (FullHD projectors)
In demonstration " display pattern, corresponding largest buffered amount is " 54M ", and initial compression rate is " 4:1 ", resolution ratio system
Number is " 0.98 ", and image quality coefficient is " 0.95 " in fine pattern.
Picture storage part 13 is used to store display pattern setting screen.
Fig. 6 is the schematic diagram of display pattern setting screen in embodiments of the invention.
As shown in fig. 6, display pattern setting screen 70 is used to allow operator to set display pattern, wrap
Contain：For selecting the selection region 71 of setting display mode, the choosing for setting corresponding receiving and displaying device
Select region 72 and the projection button 73 for starting projection.
For example, in figure 6, operator can set First equipment using setting display mode as " full screen presentation "
For projector equipment, the setting of display pattern can be completed by then pressing projection button 73.
Compression parameters storage part 14 is used to store compression parameters corresponding table.
Fig. 7 is the schematic diagram of compression parameters corresponding table in embodiments of the invention.
As shown in fig. 7, the compression parameters corresponding table 80 includes the first viewing area 81.Compression parameters corresponding table
80, which are stored with, corresponds to compression ratio and the reference parameter scope related to the corresponding compression ratio.Can be with from Fig. 7
Find out, when the value of reference parameter is fallen into, " in the range of 0.81~1.00 ", correspondence compression ratio is " 4:1”；Work as reference
The value of parameter fall into " in the range of 0.51~0.80 ", correspondence compression ratio be " 8:1”；When the value of reference parameter is fallen into
" in the range of 0.00~0.50 ", correspondence compression ratio is " 16:1”.
Input display part 15 is used to show display pattern setting screen 70, so as to make operator's setting aobvious
Show pattern.
Configuration part 16 is obtained to be obtained accordingly most from display parameters storage part 12 according to the display pattern being set
Big buffer memory and initial compression rate, and initial compression rate is set as current compression rate.For example, Fig. 5 a's
In XGA projectors display parameters storage table 40, display pattern is set to " full screen presentation ", corresponding maximum
Buffer memory is " 21M ", and initial compression rate is " 4:1”.
The original image that collection generating unit 17 is used to treat playing stream media according to current compression rate is acquired place
Manage and generate image to be sent, the image to be sent is temporarily stored in temporary storage part.
Sending side communication unit 18 will gather image to be sent and hair that generating unit 17 is generated according to receiving side identifier
Side identifier is sent to be sent by communication network 400 to receiving and displaying device 20.
Receiving side communication unit 21 receives the figure to be sent that picture transmitter device 10 is sent by communication network 400
Picture and sending side identifier.
Image to be sent and sending side the identifier progress pair that 22 pairs of buffer unit is received by receiving side communication unit 21
It should store, so as to obtain cache image corresponding with the image to be sent.In the present embodiment, display pattern is worked as
After being set, image received device 20 will distribute corresponding buffer area automatically, and the capacity of the buffer area is slow
Deposit the largest buffered amount in portion.
The cache image that the buffered portion 22 of 23 pairs of display part is stored is shown successively, and image is sent out so as to realize
The Streaming Media in device 10 is sent to be shown in real time.
Buffer memory acquisition unit 24 obtains the current cache amount corresponding with cache image from buffer unit 22.
Current time is set as timestamp by timestamp configuration part 25.
Current cache amount that receiving side communication unit 21 is obtained buffer memory acquisition unit 24 based on sending side identifier and
The timestamp that timestamp configuration part 25 is set is sent to picture transmitter device 10 by communication network 400.
The current cache amount that sending side communication unit 18 is sent by communication network 400 to receiving and displaying device 20
Received with timestamp.Current cache amount and timestamp are stored temporarily in buffer unit.
Judging part 19 is sentenced based on the timestamp that sending side communication unit 18 is currently received with the preceding timestamp once received
Whether the disconnected buffer memory being currently received is effective.Specifically, the timestamp being currently received earlier than it is preceding once receive when
Between when stabbing, judging part 19 judges the current cache amount data invalid being currently received；The timestamp evening being currently received
During the timestamp once received in preceding, judging part 19 judges that the current cache amount data being currently received are effective.Should
Effective current cache amount data storage is temporarily stored in temporary storage part.
Largest buffered amount and work as that calculating part 110 is received according to predetermined computation formula and sending side communication unit 18
Preceding buffer memory calculates current reference parameter.Predetermined computation formula in the present embodiment for " current reference parameter=
Current buffer amount * image quality coefficients * differentiates rate coefficient/maximum cushioning amount ", compare for convenience, calculate what is obtained
Reference parameter only retains two effective digitals.For example, current receiving and displaying device 20 is " XGA projectors ",
Current display mode is " full frame animation ", and corresponding largest buffered amount is " 42M ", and current cache amount is " 30M ",
It is " 1.00 " to differentiate rate coefficient, and image quality coefficient is " 0.95 ", and it is " 0.68 " to calculate obtained reference parameter, now right
The pattern answered is " standard ".Specifically, in the present embodiment, with the initial compression rate as current compression rate
(4：1) corresponding current resolution is " fine (4:1) ", corresponding image quality coefficient is 0.95.Adopting
After collection processing, the corresponding compression ratio based on reference parameter scope is " standard (8:1) ", further sampling
In the calculating process of processing, then using the corresponding image quality coefficient 0.975 of mode standard, and resolution rate coefficient enters
Row sampling, calculating.If (after acquisition process, the corresponding compression ratio based on reference parameter scope is " basis
(16:1) ", in the calculating process of further sampling processing, then using the corresponding image quality system of basic schema
Number 1.00, and resolution rate coefficient are sampled, calculated.)
Obtain configuration part 16 and obtained current reference parameter is calculated from compression parameters storage part according to calculating part 110
Corresponding reference parameter scope is obtained in 14, further obtains and corresponds to compression ratio, and this is corresponded into compression ratio
It is set as current compression rate.For example, when the current reference parameter that the calculating of calculating part 110 is obtained is " 0.68 ", phase
Corresponding reference parameter scope is that " 0.51~0.80 ", correspondence compression ratio is " 8:1”.
Collection generating unit 17 is entered according to the current compression rate being set to the original image that next convey in real time
Row acquisition process.
Sending side control unit 111, which is included, to be used to control image file storage part 11, picture storage part 13, display
Parameter storage part 12, compression parameters storage part 14, input display part 15, acquisition configuration part 16, collection generation
The computer program that portion 17, sending side communication unit 18, judging part 19 and calculating part 110 are run.
Receiving side control unit 26 include be used for control receiving side communication unit 21, buffer unit 22, display part 23,
The computer program that buffer memory acquisition unit 24 and timestamp configuration part 25 are run.
Fig. 8 is the action flow chart of image real-time display system in embodiments of the invention.
As shown in figure 8, in the present embodiment, the motion flow of image real-time display system 100 includes following step
Suddenly：
Step S1, input display part 15 shows that operator's setting is aobvious to display pattern setting screen 70
Show pattern, subsequently into step S2.
Step S2, obtains configuration part 16 and is obtained according to the display pattern being set from display parameters storage part 12
Corresponding largest buffered amount and initial compression rate are taken, and initial compression rate is set as current compression rate, Ran Houjin
Enter step S3.
Step S3, collection generating unit 17 is based on current compression rate to the original graph in image file storage part 11
As being acquired processing and generating image to be sent, subsequently into step S4.
Step S4, sending side communication unit 18 is based on receiving side identifier by image to be sent and sending side identifier
Sent by communication network 400 to receiving and displaying device 20, subsequently into step S5.
Step S5, receiving side communication unit 21 receives picture transmitter device 10 by communication network 400 and sent
Image and sending side identifier, subsequently into step S6.
Step S6, the image to be sent and sending side that 22 pairs of buffer unit is received by receiving side communication unit 21 is known
Alias carries out correspondence storage, so that cache image is obtained, subsequently into step S7.
Step S7, the cache image that the buffered portion 22 of 23 pairs of display part is stored shows successively, Ran Houjin
Enter step S8.
Step S8, buffer memory acquisition unit 24 obtains corresponding with cache image current slow from buffer unit 22
Storage, subsequently into step S9.
Current time is set as timestamp by step S9, timestamp configuration part 25, subsequently into step S10.
Step S10, receiving side communication unit 21 based on sending side identifier by buffer memory acquisition unit 24 obtain work as
The timestamp that preceding buffer memory and timestamp configuration part 25 is set sends to image to send and filled by communication network 400
10 are put, subsequently into step S11.
Step S11, sending side communication unit 18 receives current cache amount and timestamp by communication network 400,
Subsequently into step S12.
Step S12, judging part 19 is once received based on the timestamp that sending side communication unit 18 is currently received with preceding
Timestamp judge whether the buffer memory that is currently received effective, when being judged as YES, into step S13, when sentencing
Break for it is no when, into step S15.
Step S13, calculating part 110 is based on predetermined computation formula and largest buffered amount and sending side communication unit 18
The current cache gauge received calculates current reference parameter, subsequently into step S14.
Step S14, is obtained configuration part 16 and is obtained based on current reference parameter from compression parameters storage part relatively
The reference parameter scope answered, further obtains correspondence compression ratio, and correspondence compression ratio is set as into current compression rate,
Subsequently into step S14.
Step S15, judges whether current Streaming Media finishes, when being judged as NO, into step S3, when
When being judged as YES, into done state.
In the prior art, the general transmission performance that image display system is weighed using frame loss rate, frame loss rate is lower,
Then transmission performance is better.Here, the calculation formula of frame loss rate is：" frame loss rate=(gather frame number-broadcasting frame
Number)/gather frame number * 100% ".
Fig. 9 is the transmission image frame loss rate of the image real-time display system of the present invention and the comparison diagram of prior art
Table.
As shown in figure 9, through counting in the case where display pattern is full screen presentation, in XGA projectors,
Prior art uses the frame loss rate of fixed image quality transmission for 4%, and the image real-time display system of the present embodiment is lost
Frame per second is 2.8%；In WXGA projectors, prior art uses the frame loss rate of fixed image quality transmission for 7%,
The frame loss rate of the image real-time display system of the present embodiment is 3%；In FullHD projectors, prior art
Use the frame loss rate of fixed image quality transmission for 10.9%, the frame loss rate of the image real-time display system of the present embodiment is
3.3%.It can be seen that the transmission performance of the image real-time display system of the present embodiment is superior to prior art using fixed picture
The effect of matter transmission.
The effect of embodiment and effect
Image real-time display system according to involved by the present embodiment, because buffer memory acquisition unit can be from buffer unit
Middle to obtain the current cache amount corresponding with cache image, receiving side communication unit can be incited somebody to action according to sending side identifier
Current cache amount is sent to corresponding picture transmitter device, and sending side communication unit is sent to receiving and displaying device
Current cache amount is received, and calculating part can be based on predetermined computation formula and largest buffered amount and current cache
Gauge calculates current reference parameter, and obtaining configuration part can be based on current reference parameter from compression parameters storage part
Corresponding reference parameter scope is obtained, is further able to obtain correspondence compression ratio, and will correspondence compression ratio setting
For current compression rate, so, the image real-time display system of the present embodiment can in real time be adjusted according to network condition
Current compression rate, so as to realize automatic real-time Transmission high quality graphic.
Above-mentioned embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
In the present embodiment, the display parameters storage part of image real-time display system be stored with XGA projectors show
Show parameter storage table, WXGA projectors display parameters storage table and the display parameters storage of FullHD projectors
Table.As the image real-time display system of the present invention, display parameters storage part can store single show as needed
Show parameter storage table, as long as the effect of automatic real-time Transmission high quality graphic of the invention can be realized.
In addition, in the present embodiment, buffer memory acquisition unit first obtains corresponding with cache image from buffer unit
Current time is set as timestamp by current cache amount, timestamp configuration part again, but order can be with the present invention
Exchange, as long as the effect of automatic real-time Transmission high quality graphic of the invention can be realized.
In addition, in the present embodiment, image sends end and includes four picture transmitter devices, receive and show end
Comprising three receiving and displaying devices, and in the image real-time display system of the present invention, image sends end and may be used also
Think comprising one or more picture transmitter devices, receive and show that end can also be to include one or one
Above receiving and displaying device, now, can also realize the effect of real-time Transmission high quality graphic of the present invention.
Claims (11)
1. a kind of picture transmitter device, for being communicated to connect with receiving and displaying device to be connect to described
Receive display device and send original image, it is characterised in that including：
Image file storage part, display parameters storage part, compression parameters storage part, acquisition setting
Portion, collection generating unit, sending side communication unit, calculating part, sending side control unit,
Wherein, described image file storage part is used to store the image containing plural frame original image
File,
The display parameters storage part is used to be stored in display image phase on the receiving and displaying device
Corresponding largest buffered amount and initial compression rate,
The compression parameters storage part is used to store correspondence compression ratio and compression ratio corresponding with this
Related reference parameter scope,
The acquisition configuration part is used to obtain described maximum slow from the display parameters storage part
Storage and the initial compression rate as current compression rate,
The collection generating unit is acquired place based on the current compression rate to the original image
Manage and generate image to be sent,
The sending side communication unit, which is used to send the image to be sent to described receive, to be shown
Device, and at least receiving the current cache amount that the receiving and displaying device is sent,
The calculating part is based on predetermined computation formula and the largest buffered amount and described current
Buffer memory calculates current reference parameter,
The acquisition configuration part is based on the current reference parameter from the compression parameters storage part
It is middle to obtain the corresponding reference parameter scope, further obtain correspondence compression ratio, and by institute
State correspondence compression ratio and be set as the current compression rate,
The sending side control unit control collection generating unit is described current according to what is be set
Compression ratio carries out the acquisition process to the original image that next convey in real time.
2. picture transmitter device according to claim 1, it is characterised in that also include：
Judging part,
Wherein, the sending side communication unit also receives the time that the receiving and displaying device is sent
Stamp,
The judging part based on the timestamp that is currently received with it is preceding once receive it is described when
Between stamp judge whether the buffer memory that is currently received effective, when being judged as YES, the calculating
Portion is based on predetermined computation formula and the largest buffered amount and the current cache gauge is calculated
The current reference parameter.
3. picture transmitter device according to claim 2, it is characterised in that：
Wherein, the display parameters storage part be also stored with image quality coefficient and differentiate rate coefficient,
The predetermined computation formula is：Current reference parameter=* points of current cache amount * image quality coefficients
Resolution coefficient/largest buffered amount.
4. the picture transmitter device according to Claims 2 or 3, it is characterised in that also wrap
Include：
Picture storage part, for storing at least one display pattern setting screen；And
Display part is inputted, for showing the display pattern setting screen, wherein,
The display parameters storage part is additionally operable to storage and distinguished with least one described display pattern
Corresponding largest buffered amount and initial compression rate,
The display pattern of the acquisition configuration part based on setting is stored from the display parameters
The corresponding largest buffered amount is obtained in portion.
5. a kind of image real-time display system, it is characterised in that including：
Image for sending image in real time sends end；And
For sending the figure that end is sent by cordless communication network real-time reception described image
As and reception shown in carrying out shows end,
Wherein, described image sends end and includes at least one picture transmitter device, described image
Dispensing device sends dress for the image described in any one in claim 1 to claim 4
Put,
Described receive shows end comprising at least one and by cordless communication network and each
Described image dispensing device communicates the receiving and displaying device of connection, and each described receive shows dress
Put and at least send the current cache amount to described image dispensing device.
6. image real-time display system according to claim 5, it is characterised in that：
Described image sends end and includes multiple described image dispensing devices, each described image hair
Send device that there is its sending side identifier respectively,
Described receive shows that end includes multiple receiving and displaying devices, and each reception
Display device has receiving side identifier respectively, and each receiving and displaying device will connect described in it
Side identifier is received to send to picture transmitter device.
7. image real-time display system according to claim 6, it is characterised in that：
Wherein, the receiving and displaying device is included：Receiving side communication unit, buffer unit, display part
And buffer memory acquisition unit,
The receiving side communication unit is used to receiving that described image dispensing device to send described treats
Image and the sending side identifier are sent,
The buffer unit is entered to the image to be sent and the sending side identifier that receive
Row correspondence storage, so that cache image is obtained,
The display part shows successively to the cache image received,
The buffer memory acquisition unit obtains corresponding with the cache image from the buffer unit
Current cache amount,
The receiving side communication unit is sent out the current cache amount based on the sending side identifier
Deliver to described image dispensing device.
8. image real-time display system according to claim 7, it is characterised in that：
Wherein, described image dispensing device is the image transmission described in any one of claim 2~4
Device,
The receiving and displaying device also includes timestamp configuration part,
Current time is set as timestamp by the timestamp configuration part,
The receiving side communication unit by the timestamp and the current cache amount together send to
Described image dispensing device.
9. a kind of image real-time display method, it is characterised in that：
Obtain with receive the corresponding largest buffered amount of the display end display image to be shown and
As the initial compression rate of current compression rate,
Original image is acquired based on the current compression rate and handles and generate figure to be sent
Picture,
The image to be sent is sent to receiving and displaying device, and obtains described receive and shows dress
The current cache amount sent is put,
Calculated based on predetermined computation formula and the largest buffered amount and the current cache amount
Go out current reference parameter,
Based on the corresponding reference parameter scope of the current reference parameter acquiring, further
Correspondence compression ratio is obtained, and the correspondence compression ratio is set as the current compression rate,
Control collection generating unit is according to the current compression rate being set to next real-time
The original image of conveying carries out the acquisition process.
10. image real-time display method according to claim 9, it is characterised in that also
Including：
Setting display mode,
The largest buffered amount corresponding with the display pattern is obtained,
Receive the image to be sent and the sending side that described image dispensing device is sent
Identifier,
It is corresponding with the sending side identifier progress to the image to be sent that is received to deposit
Storage, so that cache image is obtained,
The cache image received is shown successively,
Corresponding with the cache image described currently delay is obtained from the receiving and displaying device
Storage,
The current cache amount is sent to described image based on the sending side identifier and sent
Device.
11. image real-time display method according to claim 10, it is characterised in that also
Including：
Current time is set as timestamp,
The current cache amount and the timestamp are sent out simultaneously based on the sending side identifier
Described image dispensing device is delivered to,
The current cache amount and the timestamp that the receiving and displaying device is sent are received,
Judge to work as with the preceding timestamp once received based on the timestamp being currently received
Before the buffer memory that receives it is whether effective,
When being judged as YES, predetermined computation formula and the largest buffered are based on using calculating part
Amount and the current cache gauge calculate current reference parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084354.8A CN107046606B (en) | 2016-02-06 | 2016-02-06 | Picture transmitter device, image real-time display system and image real-time display method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610084354.8A CN107046606B (en) | 2016-02-06 | 2016-02-06 | Picture transmitter device, image real-time display system and image real-time display method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107046606A true CN107046606A (en) | 2017-08-15 |
| CN107046606B CN107046606B (en) | 2019-03-12 |
Family
ID=59543431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610084354.8A Active CN107046606B (en) | 2016-02-06 | 2016-02-06 | Picture transmitter device, image real-time display system and image real-time display method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046606B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734300A (en) * | 2017-10-19 | 2018-02-23 | 歌尔科技有限公司 | Image transfer method and equipment |
| CN110781150A (en) * | 2019-10-10 | 2020-02-11 | 北京无限光场科技有限公司 | Data transmission method and device and electronic equipment |
| CN112882672A (en) * | 2021-02-26 | 2021-06-01 | 京东方科技集团股份有限公司 | Near-eye display control method and device and near-eye display equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816091A (en) * | 2005-02-01 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Memory device management method for video storage and mobile communication terminal thereof |
| CN1949872A (en) * | 2005-10-13 | 2007-04-18 | 联想(北京)有限公司 | Method and system for projecting dynamic static hybrid picture |
| CN101217615A (en) * | 2007-12-27 | 2008-07-09 | 北京中星微电子有限公司 | An image compression bit rate control method and device |
| CN101335830A (en) * | 2007-06-28 | 2008-12-31 | 索尼株式会社 | Image photographing device and method |
| US20100077146A1 (en) * | 2008-09-19 | 2010-03-25 | Kabushiki Kaisha Toshiba | Instruction cache system, instruction-cache-system control method, and information processing apparatus |
| CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术（上海）有限公司 | Control method and system of projector |
-
2016
- 2016-02-06 CN CN201610084354.8A patent/CN107046606B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816091A (en) * | 2005-02-01 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Memory device management method for video storage and mobile communication terminal thereof |
| CN1949872A (en) * | 2005-10-13 | 2007-04-18 | 联想(北京)有限公司 | Method and system for projecting dynamic static hybrid picture |
| CN101335830A (en) * | 2007-06-28 | 2008-12-31 | 索尼株式会社 | Image photographing device and method |
| CN101217615A (en) * | 2007-12-27 | 2008-07-09 | 北京中星微电子有限公司 | An image compression bit rate control method and device |
| US20100077146A1 (en) * | 2008-09-19 | 2010-03-25 | Kabushiki Kaisha Toshiba | Instruction cache system, instruction-cache-system control method, and information processing apparatus |
| CN102346647A (en) * | 2011-09-19 | 2012-02-08 | 盛乐信息技术（上海）有限公司 | Control method and system of projector |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734300A (en) * | 2017-10-19 | 2018-02-23 | 歌尔科技有限公司 | Image transfer method and equipment |
| WO2019075901A1 (en) * | 2017-10-19 | 2019-04-25 | 歌尔科技有限公司 | Method and device for transmitting image |
| US11601527B2 (en) | 2017-10-19 | 2023-03-07 | Goertek Technology Co., Ltd. | Method and device for transmitting image |
| CN110781150A (en) * | 2019-10-10 | 2020-02-11 | 北京无限光场科技有限公司 | Data transmission method and device and electronic equipment |
| CN112882672A (en) * | 2021-02-26 | 2021-06-01 | 京东方科技集团股份有限公司 | Near-eye display control method and device and near-eye display equipment |
| CN112882672B (en) * | 2021-02-26 | 2024-01-23 | 京东方科技集团股份有限公司 | Near-eye display control method and device and near-eye display equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107046606B (en) | 2019-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105791895B (en) | Audio & video processing method and its system based on time stab | |
| CN103514220B (en) | Video pictures search method based on multi-screen interaction scene, apparatus and system | |
| CN107046606A (en) | Picture transmitter device, image real-time display system and image real-time display method | |
| CN106303611B (en) | Method and system for realizing film source pushing | |
| CN107333087A (en) | A kind of information sharing method and device based on video session | |
| CN106303559A (en) | A kind of method controlling live video stream and direct broadcast server | |
| JP2002222157A (en) | Electronic conference room system | |
| GB2401001C (en) | Apparatus and method for sending image data | |
| CN101827258A (en) | Real-time image scratching and video monitoring and collection system | |
| CN109379619A (en) | Sound draws synchronous method and device | |
| CN106791915A (en) | A kind of method and apparatus for showing video image | |
| CN103596063B (en) | Terminal, television, multi-screen interaction system and method for setting screen capture parameters | |
| CN108174281A (en) | A kind of video play-reverse method, apparatus, system, medium and equipment | |
| CN110266437A (en) | It throws screen message method, throw screen message treatment method, device and terminal | |
| CN106534936A (en) | Antenna control method, apparatus and system | |
| CN107846617A (en) | A kind of interactive approach of intelligent terminal and intelligent television | |
| KR101795537B1 (en) | System and method for providing of cloud streaming service which is adapting to network environment | |
| CN106412617A (en) | Remote debugging control method and device | |
| CN106791903A (en) | Live processing system, unit and method | |
| CN103513948B (en) | Using Portable intelligent tool as the cloud computing Multi-screen display system of sub-screen | |
| WO2017080191A1 (en) | Multi-screen interaction-based picture processing method and system | |
| CN110753243A (en) | Image processing method, image processing server and image processing system | |
| CN201623771U (en) | Real-time keying and video surveillance and collection system | |
| CN108259741A (en) | Method, mobile terminal and the computer readable storage medium of multiple terminals synchronous photo taking | |
| CN104581025A (en) | Image monitoring system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |