CN201639702U - RFID (Radio Frequency Identification Devices) video processing system - Google Patents
RFID (Radio Frequency Identification Devices) video processing system Download PDFInfo
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- CN201639702U CN201639702U CN2010201763727U CN201020176372U CN201639702U CN 201639702 U CN201639702 U CN 201639702U CN 2010201763727 U CN2010201763727 U CN 2010201763727U CN 201020176372 U CN201020176372 U CN 201020176372U CN 201639702 U CN201639702 U CN 201639702U
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Abstract
The utility model relates to an RFID (Radio Frequency Identification Devices) video processing system which is provided with a capturing device, a storage device and a decoding and playing device. The output end of the capturing device is connected with the information input end of the storage device, the request output end of the decoding and playing device is connected with the request input end of the storage device, and the output end of the storage device is connected with the input end of the decoding and playing device. The capturing device is provided with an RFID reader, video capturing equipment and an RFID video processor. The decoding and playing device is provided with an RFID video decoder, a non-video data processor, a video data processor and a player. The storage device is also provided with an RFID video server. During video capturing, the RFID video processing system transmits and stores a video related to the information of an RFID label as an index together, so that the decoding and playing device can search the video rapidly and accurately through the index stored together with the video.
Description
Technical field
The utility model relates to the video technique field, particularly relates to a kind of processing system for video of the RFID of utilization technology.
Background technology
Video technique is as a kind of dynamic image transmission technology, through the development of decades, we production and life in obtain more and more widely application.In the prior art, be mostly to generate video file, play by player when needing by gathering, store the back.The video file that generates after gathering, storing is a kind of Streaming Media, bulky, and it can only be retrieved forward or backward with reproduction time under many circumstances, plays very inconvenience for user's selectivity.Because the restriction of capacity, the content of video are just relevant with time of being gathered and memory time usually, therefore, can not directly retrieve according to own needs when the user uses, and obtain the video segment that needs, so, user's operation restricted greatly.
Therefore, at the prior art deficiency, provide a kind of RFID processing system for video very necessary to overcome the prior art weak point.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of RFID processing system for video is provided.
The purpose of this utility model realizes by following technical measures:
A kind of RFID processing system for video,
Be provided with harvester, storage device and decoding playing device,
Described storage device is provided with information input terminal and request input, and described decoding playing device is provided with the request output,
The output of described harvester is connected with the information input terminal of described storage device,
The request output of described decoding playing device is connected with the request input of described storage device, and the output of described storage device is connected with the input of described decoding playing device,
Described harvester is provided with RFID reader, video capture device and RFID video processor, described RFID video processor is provided with RFID input and video inputs, the output of described RFID reader is connected with the RFID input of described RFID video processor, the output of described video capture device is connected with the video inputs of described RFID video processor, and the output of described RFID video processor is connected with the information input terminal of described storage device.
Further, above-mentioned decoding playing device is provided with RFID Video Decoder, non-video data processor, video data processor and player,
Described player is provided with the request end, and the described request end is connected with the request input of described storage device,
Described RFID Video Decoder is provided with RFID output and video output terminals, and described video data processor is provided with the first input end and second input,
The input of described RFID Video Decoder is connected with the output of described storage device, the RFID output of described RFID Video Decoder is connected with the input of described non-video data processor, the output of described non-video data processor is connected with second input of described video data processor, the video output terminals of described RFID Video Decoder is connected with the first input end of described video data processor, and the output of described video data processor is connected with the input of described player.
Further, above-mentioned storage device is provided with the RFID video server, described RFID video server is provided with the first input end and second input, the first input end of described RFID video server is connected with the output of described RFID video processor, second input of described RFID video server is connected with the request end of described player, and the output of described RFID video server is connected with the input of described RFID Video Decoder.
Above, above-mentioned RFID video processor is provided with RFID buffer unit, video buffer device, controller, RFID processor and video processor,
Described RFID buffer unit is provided with first output and second output,
Described video buffer device is provided with first output and second output,
Described controller is provided with first input end, second input, first output and second output,
Described RFID processor is provided with the first input end and second input,
Described video processor is provided with first input end, second input and the 3rd input,
The input of described RFID buffer unit is connected with the output of described RFID reader, first output of described RFID buffer unit is connected with the first input end of described controller, second output of described RFID buffer unit is connected with the first input end of RFID processor, first output of described controller is connected with second input of described RFID processor
The input of described video buffer device is connected with the output of described video capture device, first output of described video buffer device is connected with the first input end of described video processor, second output of described video buffer device is connected with second input of described controller, second output of described controller is connected with second input of described video processor
The output of described RFID processor is connected with the 3rd input of described video processor,
The output of described video processor is connected with the first input end of the RFID video server of described storage device.
Further, above-mentioned video capture device is set to the video capture device of synchronousing working with described RFID reader.
Further, above-mentioned RFID reader is set to the RFID reader of synchronousing working with described video capture device.
Further, above-mentioned video capture device is set to camera.
A kind of RFID processing system for video that the utility model provides, be provided with harvester, storage device and decoding playing device, the output of described harvester is connected with described storage device, the output of described storage device is connected with the input of described decoding playing device, described harvester is provided with the RFID reader, video capture device and RFID video processor, described RFID video processor is provided with RFID input and video inputs, the output of described RFID reader is connected with the RFID end of described RFID video processor, the output of described video capture device is connected with the video inputs of described RFID video processor, and the output of described RFID video processor is connected with the input of described storage device.A kind of RFID processing system for video of the present utility model, by the video data in the video capture device collection range of video, simultaneously by the RFID label information on the RFID reader reception article, therefore, can be in video acquisition, information by the RFID label is transmitted together with corresponding video as index and is stored, make the decoding playing device can be by coming fast with video storage index together, accurately video is retrieved, and can carry out certain judgement to the content of video, thereby when playing these videos, take corresponding special processing by these and video index fragment together.
Description of drawings
Utilize accompanying drawing that the utility model is further described, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is embodiment 1 structural representation of a kind of RFID processing system for video of the present utility model;
Fig. 2 is the structural representation of the RFID video processor of a kind of RFID processing system for video of the present utility model;
Fig. 3 is embodiment 2 structural representations of a kind of RFID processing system for video of the present utility model.
In Fig. 1, Fig. 2 and Fig. 3, comprising:
Harvester 100, storage device 200, decoding playing device 300,
The RFID input 1301 that the RFID video processor is provided with,
The video inputs 1302 that the RFID video processor is provided with,
The 3rd input 1353 that video processor is provided with,
The request input 2002 that the information input terminal 2001 that storage device is provided with, storage device are provided with,
RFID video server 210,
Second input 2102 of the first input end 2101 of RFID video server, RFID video server,
The request output 3001 that decoding playing device 300 is provided with,
RFID Video Decoder 310, non-video data processor 320,
The RFID output 3101 that the RFID Video Decoder is provided with,
The video output terminals 3102 that the RFID Video Decoder is provided with,
The first input end 3301 that video data processor is provided with,
The request end 3401 of player.
Embodiment
The utility model is described in further detail with the following Examples.
Embodiment 1
A kind of RFID processing system for video as shown in Figure 1, is provided with harvester 100, storage device 200 and decoding playing device 300.Storage device 200 is provided with information input terminal 2001 and request input 2002, and decoding playing device 300 is provided with request output 3001.
The output of harvester 100 is connected with the information input terminal 2001 of storage device 200, the request output 3001 of decoding playing device 300 is connected with the request input 2002 of storage device 200, and the output of storage device 200 is connected with the input of decoding playing device 300.Harvester 100 is used for the Item Information in the range of video is gathered, and with its input storage device 200 storages.The content of 300 pairs of storage devices of decoding playing device, 200 outputs is handled broadcast.
Usually, RFID reader 110 setting is installed in the next door of video capture device 120, and RFID reader 110 works simultaneously with video capture device 120, and video capture device 120 is set to camera usually.Load onto the RFID label for the object that needs to indicate, when this object the time through video capture device 120, just in time can read the content of the RFID label on this object at the RFID reader 110 on video capture device 120 next doors, RFID reader 110 together inputs to information, the video capture device 120 of RFID label RFID video processor 130 with this video information and handles then.
As shown in Figure 2, RFID video processor 130 is provided with RFID buffer unit 131, video buffer device 132, controller 133, RFID processor 134 and video processor 135,
The input of RFID buffer unit 131 is connected with the output of RFID reader 110, first output 1311 of RFID buffer unit 131 is connected with the first input end 1331 of controller 133, second output 1312 of RFID buffer unit 131 is connected with the first input end 1341 of RFID processor 134, first output 1333 of controller 133 is connected with second input 1342 of RFID processor 134
The input of video buffer device 132 is connected with the output of video capture device 120, first output 1321 of video buffer device 132 is connected with the first input end 1351 of video processor 135, second output 1322 of video buffer device 132 is connected with second input 1332 of controller 133, second output 1334 of controller 133 is connected with second input 1352 of video processor 135
The output of RFID processor 134 is connected with the 3rd input 1353 of video processor 135,
The output of video processor 135 is connected with the information input terminal 2001 of storage device 200.
The operation principle of RFID video processor 130 is as follows: the RFID label information that RFID reader 100 receives at first inputs to RFID buffer unit 131, and simultaneously, the video information that video capture device 120 is gathered inputs to video buffer device 132.First output 1311 of RFID video buffer device 131 outputs signal to controller 133, second output 1312 of RFID buffer unit 131 inputs to the RFID label information that is received the first input end 1341 of RFID processor 134, first output 1333 of controller 133 outputs control signals to second input 1342 of RFID processor 134,134 pairs of RFID information of RFID processor are handled, and the information after the processing inputs to the 3rd input 1353 of video processor 135.Second output, 1322 input signals of video buffer device 132 are to second input 1332 of controller 133, first output, the 1321 output video information of video buffer device 132 are to video processor 135, second output 1334 of controller 133 outputs control signals to second input 1352 of video processor 135, video processor 135 is handled input storage device 200 in back in conjunction with the information of the output information of RFID processor 134 and video information of being imported and controller 133 with the video information and the RFID information that are collected.
RFID net cast frame as shown in Table 1, comprises frame head and frame of video, and frame head is used to identify the content of the RFID label that the RFID reader gathers, and frame of video is the video data that video capture device collects, and frame head is corresponding one by one with frame of video.Because frame of video is corresponding with frame head, the frame head information by RFID net cast frame can unique correspondence be determined the information of frame of video, also can determine the frame head of its unique correspondence by the frame of video information of RFID net cast frame.
Frame head comprises frame head size, video frame time, video frame size, extension bits and RFID position.The frame head size is used to identify the size of the shared memory capacity of frame head.Video frame time is used to identify the time that frame of video produces, and generally is the acquisition time of video.Video frame size is used to identify the size of the shared memory capacity of frame of video.Extension bits, the reserved location the when expansion of being reserved is used.The type of frame head size, video frame size and extension bits is set to 32 signless integer of 4 bytes respectively.The RFID position is used to identify the content of the RFID label that the RFID reader receives.The RFID position is provided with and includes a plurality of RFID position, and RFID position is used to identify the content of each received RFID label of RFID reader.
The structure of table one RFID net cast frame
RFID net cast frame, shown in its formalization is defined as follows:
RFID net cast frame=frame head+frame of video
Frame head=frame head size+video frame time+video data size+extension bits+RFID position, wherein, the RFID position generally comprises a plurality of RFID positions.
That is to say that a RFID net cast frame is made up of frame head and frame of video, frame head includes the size of frame head, time, the size of frame of video, the RFID position of the content of several RFID labels and 1 extension bits that frame of video produces.Each specific definition of forming field of RFID net cast frame is as shown in Table 2:
The composition table of table two RFID net cast frame
By RFID net cast frame, the content of the RFID label that RFID video processor 130 usefulness receive indicates the video information of being gathered, and the sign content of RFID label is in the same place with this video storage, so just can be in follow-up by the corresponding video of these sign retrievals.
(1) RFID video processor 130 receives the RFID information of RFID reader 110 inputs, RFID information is pre-stored in RFID buffer unit 131, the size of flag data;
(2) simultaneously, the video information of RFID video processor 130 receiver, video collecting devices 120 inputs is pre-stored in video buffer device 132 with video information, the size of flag data;
(3) RFID video processor 130 newly-built RFID net cast frames, RFID net cast frame memory area comprise " frame head " field and " frame of video " field;
(4) " video frame time " field of " frame head " inserted the current time by RFID video processor 130;
(5) " RFID position " field of " frame head " inserted content in the RFID data buffer device 131 by RFID video processor 130;
(6) RFID video processor 130 is inserted " frame of video " field to the content of video buffer device 132;
(7) " video frame size " field of " frame head " inserted the size of video buffer device 132 by RFID video processor 130;
(8) RFID video processor 130 is inserted result of calculation " frame head size " field of " frame head " field according to the size of " frame head " field and " frame of video " field calculating frame head;
(9) RFID video processor 130 exports storage device 200 setting up good " RFID net cast frame " to binary form.
As shown in Figure 1, decoding playing device 300 is provided with RFID Video Decoder 310, non-video data processor 320, video data processor 330 and player 340.
Decoding playing device 300 is provided with request output 3001, is used to export playing request.
The input of RFID Video Decoder 310 is connected with the output of storage device 200, the RFID output 3101 of RFID Video Decoder 310 is connected with the input of non-video data processor 320, the output of non-video data processor 320 is connected with second input 3302 of video data processor 330, the video output terminals of RFID Video Decoder 310 is connected with the first input end 3301 of video data processor 330, and the output of video data processor 330 is connected with the input of player 340.
According to user's needs, player 340 outputs are asked to storage device 200, and the RFID frame of video that the output of the output of storage device 200 needs is to the playing device 300 of decoding.The RFID net cast frame of 310 pairs of inputs of RFID Video Decoder of decoding playing device 300 is resolved, it is divided into video data and non-video data, and non-video data partly imported non-video data processor 320, with video data inputting video data processor 330, non-video data processor 320 outputs signal to second input 3302 of video data processor 330, and player 340 is play according to the output information of video data processor 330.
The decoding of RFID net cast frame, the process of broadcast are exactly the reverse-engineering of its cataloged procedure, its purpose is exactly that video data and non-video data in the RFID net cast frame are separated, give video data processor 330 video data and decode, give non-video data processor 320 non-video data and handle.Like this, just can be in displaying video, also can be to the data of these non-videos---the content of RFID label is made corresponding response, for example shows the RFID label on the video playback picture, (or) broadcasting pictures of glimmering simultaneously, (or) play sound of certain warning or the like simultaneously.
300 pairs of RFID net casts of decoding playing device frame is decoded and is play, and carries out according to following flow process:
The video data of 330 pairs of RFID Video Decoders of video data processor, 310 inputs is handled,
Simultaneously, the data that non-video data processor 320 is handled in the frame head,
RFID processing system for video of the present utility model, gather video information and RFID label substance simultaneously by harvester, in video acquisition, information by the RFID label is transmitted together with corresponding video as index and is stored, make the decoding playing device can be by coming fast and accurately video to be retrieved as index with video storage RFID information together, and can carry out certain judgement to the content of video, thereby when playing these videos, take corresponding special processing by these and video index fragment together.Utilized the characteristics of RFID REID, can realize sign, be convenient to the sign and the retrieval of video information are play video information.
Embodiment 2
A kind of RFID processing system for video as shown in Figure 3, is provided with harvester 100, storage device 200 and decoding playing device 300.
The output of harvester 100 is connected with the information input terminal 2001 of storage device 200, the request output 3001 of decoding playing device 300 is connected with the request input 2002 of storage device 200, and the output of storage device 200 is connected with the input of decoding playing device 300.Harvester 100 is used for the Item Information in the range of video is gathered, and with its input storage device 200 storages.The content of 300 pairs of storage devices of decoding playing device, 200 outputs is handled broadcast.
Usually, RFID reader 110 setting is installed in the next door of video capture device 120, and RFID reader 110 works simultaneously with video capture device 120, and video capture device 120 is set to camera usually.Load onto the RFID label for the object that needs to indicate, when this object the time through video capture device 120, just in time can read the content of the RFID label on this object at the RFID reader 110 on video capture device 120 next doors, RFID reader 110 together inputs to information, the video capture device 120 of RFID label RFID video processor 130 with this video information and handles then.
The input of RFID buffer unit 131 is connected with the output of RFID reader 110, first output 1311 of RFID buffer unit 131 is connected with the first input end 1331 of controller 133, second output 1312 of RFID buffer unit 131 is connected with the first input end 1341 of RFID processor 134, first output 1333 of controller 133 is connected with second input 1342 of RFID processor 134
The input of video buffer device 132 is connected with the output of video capture device 120, first output 1321 of video buffer device 132 is connected with the first input end 1351 of video processor 135, second output 1322 of video buffer device 132 is connected with second input 1332 of controller 133, second output 1334 of controller 133 is connected with second input 1352 of video processor 135
The output of RFID processor 134 is connected with the 3rd input 1353 of video processor 135,
The output of video processor 135 is connected with the information input terminal 2001 of storage device 200.
The operation principle of RFID video processor 130 is as follows: the RFID label information that RFID reader 100 receives at first inputs to RFID buffer unit 131, and simultaneously, the video information that video capture device 120 is gathered inputs to video buffer device 132.First output 1311 of RFID video buffer device 131 outputs signal to controller 133, second output 1312 of RFID buffer unit 131 inputs to the RFID label information that is received the first input end 1341 of RFID processor 134, first output 1333 of controller 133 outputs control signals to second input 1342 of RFID processor 134,134 pairs of RFID information of RFID processor are handled, and the information after the processing inputs to the 3rd input 1353 of video processor 135.Second output, 1322 input signals of video buffer device 132 are to second input 1332 of controller 133, first output, the 1321 output video information of video buffer device 132 are to video processor 135, second output 1334 of controller 133 outputs control signals to second input 1352 of video processor 135, video processor 135 is handled input storage device 200 in back in conjunction with the information of the output information of RFID processor 134 and video information of being imported and controller 133 with the video information and the RFID information that are collected.
RFID net cast frame as shown in Table 3, comprises frame head and frame of video, and frame head is used to identify the content of the RFID label that the RFID reader gathers, and frame of video is the video data that video capture device collects, and frame head is corresponding one by one with frame of video.Because frame of video is corresponding with frame head, the frame head information by RFID net cast frame can unique correspondence be determined the information of frame of video, also can determine the frame head of its unique correspondence by the frame of video information of RFID net cast frame.
The structure of table three RFID net cast frame
Frame head comprises frame head size, video frame time, video frame size, extension bits and RFID position.The frame head size is used to identify the size of the shared memory capacity of frame head.Video frame time is used to identify the time that frame of video produces, and generally is the acquisition time of video.Video frame size is used to identify the size of the shared memory capacity of frame of video.Extension bits, the reserved location the when expansion of being reserved is used.The type of frame head size, video frame size and extension bits is set to 32 signless integer of 4 bytes respectively.The RFID position is used to identify the content of the RFID label that the RFID reader receives.The RFID position is provided with and includes one or an above RFID position, and RFID position is used to identify the content of each received RFID label of RFID reader.
Shown in its formalization is defined as follows:
RFID net cast frame=frame head+frame of video
Frame head=frame head size+video frame time+video data size+extension bits+RFID position, wherein, the RFID position comprises one or more than one RFID position.
That is to say that a RFID net cast frame is made up of frame head and frame of video, frame head includes the size of frame head, time, the size of frame of video, the RFID position of the content of several RFID labels and 1 extension bits that frame of video produces.Each specific definition of forming field of RFID net cast frame is as shown in Table 4:
The composition table of table four RFID net cast frame
By RFID net cast frame, the content of the RFID label that RFID video processor 130 usefulness receive indicates the video information of being gathered, and the sign content of RFID label is in the same place with this video storage, so just can be in follow-up by the corresponding video of these sign retrievals.
(1) RFID video processor 130 receives the RFID information of RFID reader 110 inputs, RFID information is pre-stored in RFID buffer unit 131, the size of flag data;
(2) simultaneously, the video information of RFID video processor 130 receiver, video collecting devices 120 inputs is pre-stored in video buffer device 132 with video information, the size of flag data;
(3) RFID video processor 130 newly-built RFID net cast frames;
(4) " video frame time " field inserted the current time by RFID video processor 130;
(5) RFID video processor 130 is inserted " RFID position " field to content in the RFID data buffer device 131;
(6) RFID video processor 130 is inserted " frame of video " field to the content of video buffer device 132;
(7) RFID video processor 130 is inserted " video frame size " field to the size of video buffer device 132;
(8) RFID video processor 130 is according to the size of RFID data, and the length computation " frame head size " of each field in " frame head ";
(9) RFID video processor 130 exports storage device 200 setting up good " RFID net cast frame " to binary form.
As shown in Table 5, the RFID video file from file to begin to the end of file be respectively video portion, RFID index portion and file summary portion successively.
Video portion is exactly the frame of video by a frame one frame.
RFID index portion mainly is made up of the RFID label information of each frame of video correspondence in the sign video portion, frame of video and RFID subindex are to concern one to one, be that each frame frame of video all has a RFID subindex correspondence, each RFID subindex is all identifying a frame frame of video.RFID index portion comprise the frame of video quantity with video portion identical the RFID subindex, a frame frame of video of the corresponding video of each RFID subindex portion.
Table five RFID video file
The composition of table six RFID video file
The RFID subindex contains the information of sign associated video frame, and the RFID subindex comprises index size, video frame time, video size, extension bits and RFID position.The index size is used to identify the size of the shared memory capacity of RFID subindex, video frame time is used to identify the time that the frame of video of corresponding video portion produces, video frame size is used to identify the size of the shared memory capacity of frame of video of corresponding video portion, extension bits is the expansion the reserved reserved location when using, and the RFID position is used to identify the information of the RFID label that the RFID reader corresponding with the frame of video of video portion collect.
The file summary is the descriptor to some summaries of presents.File summary portion comprises summary size, FileVersion, video data size, base station and extension bits.Summary size is used for the size of the shared memory capacity of identification document summary portion, FileVersion is used to identify the version of RFID video file, the video data size is used for identifying the shared memory capacity sum of each frame of video of RFID video file, the base station is used to identify the numbering of the base station of the information of gathering video information and collection RFID label, and extension bits is waited until expansion and used.
The RFID video file is divided into 3 big parts altogether, and the implication of each field of composition RFID video file as shown in Table 6.
Use this file format, because be positioned at the part that begins most of file at video, so traditional video player can be discerned these data and play, when it ran into non-video data, it will stop to play.For special player at this file---decoding playing device 300 then can be play by the retrieval playing process of third part.So by the RFID video file, video player that can be compatible traditional and decoding playing device 300.
Introduce below with decoding playing device 300 and play.
As shown in Figure 3, decoding playing device 300 is provided with RFID Video Decoder 310, non-video data processor 320, video data processor 330 and player 340.
RFID video server 210 is provided with the first input end 2101 and second input 2102, the first input end 2101 of RFID video server 210 is connected with the output of RFID video processor 130, second input 2102 of RFID video server 210 is connected with the request end 3401 of player 340, and the output of RFID video server 210 is connected with the input of RFID Video Decoder 310.
Needs according to the user, the second request input 2102 to the RFID video server 210 of storage device 200 is asked in player 340 outputs, and RFID video server 210 takes out the information of needs and exports decoding playing device 300 to by output according to solicited message from the RFID video file.
The RFID output 3101 of RFID Video Decoder 310 is connected with the input of non-video data processor 320, the output of non-video data processor 320 is connected with second input 3302 of video data processor 330, the video output terminals of RFID Video Decoder 310 is connected with the first input end 3301 of video data processor 330, and the output of video data processor 330 is connected with the input of player 340.
The RFID net cast frame of 310 pairs of inputs of RFID Video Decoder of decoding playing device 300 is resolved, it is divided into video data and non-video data, and non-video data partly imported non-video data processor 320, with video data inputting video data processor 330, non-video data processor 320 outputs signal to second input 3302 of video data processor 330, and player 340 is play according to the output information of video data processor 330.
The decoding of RFID net cast frame, the process of broadcast are exactly the reverse-engineering of its cataloged procedure, its purpose is exactly that video data and non-video data in the RFID net cast frame are separated, give video data processor 330 video data and decode, give non-video data processor 320 non-video data and handle.Like this, just can be in displaying video, also can be to the data of these non-videos---the content of RFID label is made corresponding response, for example shows the RFID label on the video playback picture, (or) broadcasting pictures of glimmering simultaneously, (or) play sound of certain warning or the like simultaneously.
300 pairs of RFID net casts of decoding playing device frame is decoded and is play, and carries out according to following flow process:
The video data of 330 pairs of RFID Video Decoders of video data processor, 310 inputs is handled,
Simultaneously, the data that non-video data processor 320 is handled in the frame head,
According to the solicited message of player 340,210 pairs of RFID video files wherein of RFID video server are retrieved, and result for retrieval is inputed to RFID Video Decoder 310, and its retrieval and player method are as follows:
1. the condition of retrieval is checked, earlier carried out initial alignment according to the content of the time of the video in the condition, the base station of gathering, RFID label etc., find out qualified file name with relational database;
2. the file that comes out according to retrieval in the 1st step compares the index part and the search condition of each file, and video that wherein meets search condition and index are encoded, and becomes " RFID net cast frame ";
3. (simultaneously) plays " RFID net cast frame ";
4. repeated for the 2nd～3 step, the file that retrieval is come out in all the 1st steps all retrieval finishes.
RFID processing system for video of the present utility model, gather video information and RFID label substance simultaneously by harvester, in video acquisition, information by the RFID label is transmitted together with corresponding video as index and is stored, RFID video server by storage device is stored as the RFID video file with the RFID frame of video, to adapt to traditional player, decoding playing device simultaneously can be by coming fast as index with video storage RFID information together, accurately video is retrieved, and can carry out certain judgement to the content of video, thereby when playing these videos, take corresponding special processing by these and video index fragment together.The characteristics that this RFID processing system for video has utilized the RFID REID can realize the sign to video information, are convenient to the sign and the retrieval of video information are play.
Embodiment 3
RFID video server 210 saves as " RFID video file " to " RFID net cast frame " to be undertaken by following program:
1. set up 1 temporary file VideoFile.dat with frame of video in temporary " RFID net cast frame ";
2. set up 1 temporary file IndexFile.vid with the frame head in temporary " RFID net cast frame ";
3. receive 1 " RFID net cast frame ", frame of video is wherein deposited in VideFile.dat, wherein frame head is deposited in IndexFile.vid; And accumulative total video frame size wherein wherein, deposit variable V ideoSize in, the time of the 1st frame of video is deposited in variable FirstTime, the time of last 1 frame of video is deposited in variables L astTime, and depositing variable variable R fidList in behind all RFID label removal duplicate contents;
4. repeated for the 3rd step, (for example 1 day in the past up to the condition of needs storages, 1 hour is in the past) take place, set up one " file summary ", making " summary size " is 20, and " FileVersion " is 1, and " video data size " is VideoSize, " base station " by the numbering of preservation base station, extension bits is 0;
5. the file summary is write the last of IndexFile.vid;
6. the content of IndexFile.vid is write the last of VideoFile.dat, the VideoFile.dat of this moment has the file of " RFID video file " form exactly;
7. the form rename of VideoFile.dat according to " time+base station ", 201002081142101.dat (representing 11: 42 on the 8th February in 2010 data of No. 101 base stations to be preserved) for example.Then this filename and FirstTime, LastTime, RfidList deposits relational database in;
8. delete temporary file IndexFile.dat;
9. repeat above process till no longer needing to preserve data.
Annotate: in the 7th step, some information have been saved in relational database, later the purpose of doing like this will be described.
Based on relational database and " RFID video file ", just can be fast, efficiently the video of storing has been retrieved, the present invention proposes a kind of retrieval and player method based on the two:
1. the condition of retrieval is checked, earlier carried out initial alignment according to the content of the time of the video in the condition, the base station of gathering, RFID label etc., find out qualified file name with relational database;
2. the file that comes out according to retrieval in the 1st step compares the index part and the search condition of each file, and video that wherein meets search condition and index are encoded, and becomes " RFID net cast frame ";
3. (simultaneously) plays " RFID net cast frame ";
4. repeated for the 2nd～3 step, the file that retrieval is come out in all the 1st steps all retrieval finishes.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model but not to the restriction of the utility model protection range; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (7)
1. RFID processing system for video is characterized in that:
Be provided with harvester, storage device and decoding playing device,
Described storage device is provided with information input terminal and request input, and described decoding playing device is provided with the request output,
The output of described harvester is connected with the information input terminal of described storage device,
The request output of described decoding playing device is connected with the request input of described storage device, and the output of described storage device is connected with the input of described decoding playing device,
Described harvester is provided with RFID reader, video capture device and RFID video processor, described RFID video processor is provided with RFID input and video inputs, the output of described RFID reader is connected with the RFID input of described RFID video processor, the output of described video capture device is connected with the video inputs of described RFID video processor, and the output of described RFID video processor is connected with the information input terminal of described storage device.
2. a kind of RFID processing system for video according to claim 1 is characterized in that:
Described decoding playing device is provided with RFID Video Decoder, non-video data processor, video data processor and player,
Described player is provided with the request end, and the described request end is connected with the request input of described storage device,
Described RFID Video Decoder is provided with RFID output and video output terminals, and described video data processor is provided with the first input end and second input,
The input of described RFID Video Decoder is connected with the output of described storage device, the RFID output of described RFID Video Decoder is connected with the input of described non-video data processor, the output of described non-video data processor is connected with second input of described video data processor, the video output terminals of described RFID Video Decoder is connected with the first input end of described video data processor, and the output of described video data processor is connected with the input of described player.
3. RFID processing system for video according to claim 2, it is characterized in that: described storage device is provided with the RFID video server, described RFID video server is provided with the first input end and second input, the first input end of described RFID video server is connected with the output of described RFID video processor, second input of described RFID video server is connected with the request end of described player, and the output of described RFID video server is connected with the input of described RFID Video Decoder.
4. RFID processing system for video according to claim 3 is characterized in that: described RFID video processor is provided with RFID buffer unit, video buffer device, controller, RFID processor and video processor,
Described RFID buffer unit is provided with first output and second output,
Described video buffer device is provided with first output and second output,
Described controller is provided with first input end, second input, first output and second output,
Described RFID processor is provided with the first input end and second input,
Described video processor is provided with first input end, second input and the 3rd input,
The input of described RFID buffer unit is connected with the output of described RFID reader, first output of described RFID buffer unit is connected with the first input end of described controller, second output of described RFID buffer unit is connected with the first input end of RFID processor, first output of described controller is connected with second input of described RFID processor
The input of described video buffer device is connected with the output of described video capture device, first output of described video buffer device is connected with the first input end of described video processor, second output of described video buffer device is connected with second input of described controller, second output of described controller is connected with second input of described video processor
The output of described RFID processor is connected with the 3rd input of described video processor,
The output of described video processor is connected with the first input end of the RFID video server of described storage device.
5. RFID processing system for video according to claim 4 is characterized in that: described video capture device is set to the video capture device of synchronousing working with described RFID reader.
6. RFID processing system for video according to claim 4 is characterized in that: described RFID reader is set to the RFID reader of synchronousing working with described video capture device.
7. RFID processing system for video according to claim 4 is characterized in that: described video capture device is set to camera.
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| CN103217191A (en) * | 2013-03-22 | 2013-07-24 | 中国科学技术大学 | Pedestrian dynamics parameter measuring comprehensive testing platform system |
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| CN103217191A (en) * | 2013-03-22 | 2013-07-24 | 中国科学技术大学 | Pedestrian dynamics parameter measuring comprehensive testing platform system |
| CN103217191B (en) * | 2013-03-22 | 2015-04-08 | 中国科学技术大学 | Pedestrian dynamics parameter measuring comprehensive testing platform system |
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