CN212413318U - Hardware platform for supporting integration of different places and same scenes - Google Patents
Hardware platform for supporting integration of different places and same scenes Download PDFInfo
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- CN212413318U CN212413318U CN202021261637.3U CN202021261637U CN212413318U CN 212413318 U CN212413318 U CN 212413318U CN 202021261637 U CN202021261637 U CN 202021261637U CN 212413318 U CN212413318 U CN 212413318U
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Abstract
The utility model provides a hardware platform for supporting strange land fuses with scene, include: the system comprises a first camera device, a collecting device, a processing device and a broadcast-grade video output card which are positioned at a local end; a second camera device located at a far end; the first camera equipment adopts an HD-SDI camera and is connected with a first video input end of the acquisition equipment through a coaxial cable; the second camera shooting device is connected with a second video input end of the acquisition device through the network communication module; the acquisition equipment is connected with the processing equipment together corresponding to two video output ends of the local end signal and the remote end signal; the input of broadcast level video output card is connected with processing apparatus's output for export the synthetic signal to appointed platform or record the storage, compare with prior art, the utility model discloses well adopt the SDI setting, it is with uncompressed digital signal high-speed transmission on coaxial cable, and original image can not distort, satisfies the whole demand that different place broadcast scene fuses.
Description
Technical Field
The utility model relates to a hardware platform for supporting strange land fuses with scene.
Background
The existing video fusion processing platform mainly performs fusion processing on locally stored image data, and cannot meet the overall requirement of remote broadcast scene fusion; and because the determination of the subject image is not considered, local distortion of the subject image caused by image fusion processing is inevitable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model provides a hardware platform suitable for support allopatric broadcast scene to fuse, its technical scheme as follows:
a hardware platform for supporting off-site co-scenario fusion, comprising:
the system comprises a first camera device, a collecting device, a processing device and a broadcast-grade video output card which are positioned at a local end;
a second camera device located at a far end;
the first camera equipment adopts an HD-SDI camera and is connected with a first video input end of the acquisition equipment through a coaxial cable, so that uncompressed digital video signals are directly acquired; the second camera shooting device is connected with a second video input end of the acquisition device through the network communication module; the two video output ends of the acquisition equipment, which correspond to the local end signal and the remote end signal, are jointly connected to the processing equipment for realizing the synthesis of two paths of videos; and the input end of the broadcast-grade video output card is connected with the output end of the processing equipment and used for outputting the synthesized signal to a specified platform or recording and storing.
Preferably, the processing equipment adopts an industrial control host and is provided with a PCI-E interface; the acquisition equipment and the broadcast-level video output card are respectively connected with corresponding PCI-E interfaces.
Preferably, the second camera device is a professional high/standard definition camera, a network camera or a mobile phone camera.
Preferably, the acquisition equipment adopts a broadcast-grade video acquisition card.
Preferably, the industrial control host adopts a Junzhen T30A chip.
Preferably, the broadcast-level special output card further extends an external stream pushing device.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in adopt the SDI setting, like HD-SDI camera, it is with uncompressed digital signal high-speed transmission on coaxial cable, and original image (main part image) can not distort, satisfies the whole demand that different place broadcasting scene fuses.
Secondly, the design of the self-locking buckle is more stable and reliable by selecting the transmission mode (SDI signal) specified in the broadcasting and television industry, the self-locking buckle is not easy to fall off, and thus signal interruption caused by human factors can not occur. Engineering cost is less than other products, consequently right the utility model discloses, more be on the spot real-time program preparation of emphasis, see from the particularity of program, adopt SDI to set up more reliable and more stable.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
wherein the reference numerals have the meaning:
1-first camera equipment, 2-acquisition equipment, 3-processing equipment, 4-broadcast-level video output card and 5-second camera equipment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The existing video fusion processing platform mainly performs fusion processing on locally stored image data, and cannot meet the overall requirement of remote broadcast scene fusion; and because the determination of the subject image is not considered, local distortion of the subject image caused by image fusion processing is inevitable.
Therefore, the utility model provides a hardware platform for supporting strange land with scene integration, its technical scheme as follows:
fig. 1 is a schematic structural diagram of the present invention, as shown in fig. 1: a hardware platform for supporting off-site co-scenario fusion, comprising:
the system comprises a first camera device 1, a collecting device 2, a processing device 3 and a broadcast-level video output card 4 which are positioned at a local end;
a second image pickup apparatus 5 located at a far end;
the first camera equipment adopts an HD-SDI camera and is connected with a first video input end of the acquisition equipment through a coaxial cable, so that uncompressed digital video signals are directly acquired; the second camera shooting device is connected with a second video input end of the acquisition device through the network communication module; the two video output ends of the acquisition equipment, which correspond to the local end signal and the remote end signal, are jointly connected to the processing equipment for realizing the synthesis of two paths of videos; and the input end of the broadcast-grade video output card is connected with the output end of the processing equipment and used for outputting the synthesized signal to a specified platform or recording and storing.
It should be noted that, the SDI interface: acronym for digital component serial interface (serial digital interface), HD: high definition signals.
According to the needs of practical application, at least two paths of local and far-end video signals are required to be acquired, at least two paths of camera equipment are required, and according to the practical application, multiple paths of camera equipment can be adopted, for example: 3 or more than 3 scenes are fused, and 4-path camera equipment is usually selected.
Optionally, the processing device adopts an industrial control host and has a PCI-E interface; the acquisition equipment and the broadcast-level video output card are respectively connected with corresponding PCI-E interfaces.
Optionally, the second camera device adopts a professional high/standard definition camera, a network camera or a mobile phone camera.
Optionally, the collecting device adopts a broadcast-level video collecting card.
Optionally, the industrial control host adopts a junzhen T30A chip.
Optionally, the broadcast-level video output card further extends an external stream pushing device.
According to the processing flow of the computer to the data: input-processing-output.
The acquisition equipment is in an input link in the whole platform and is used for acquiring local and remote real-time video information.
And the broadcast-grade video output card is used for outputting the synthesized signal to a specified platform or recording and storing.
The broadcast-level video acquisition card and the broadcast-level video output card are transmission devices based on a PCI-E (PCI-Express) interface, the transmission devices are connected with a PC (personal computer) mainboard, and the transmission devices are mainly used for providing high-efficiency data transmission capacity;
the broadcast-level video capture card and the broadcast-level video output card are collectively called as broadcast-level video equipment, the broadcast-level equipment generally adopts an SDI interface to transmit video images, and the supported video formats and specifications are as follows:
SD video format: 525i59.94NTSC, 625i50 PAL
High definition video format: 720p50, 720p59.94, 720p60, 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59, 1080p59.94, 1080p60, 1080psf23.98, 1080PsF24, 1080PsF25, 1080psf29.97, 1080PsF30, 1080i50, 1080i59.94, 1080i60
And SDI specification: SMPTE 259M, SMPTE 292M, SMPTE 296M, SMPTE 372M, SMPTE 425M, ITU-R BT.656 and ITU-R BT.601.
SDI color accuracy: 8bit, 10bit, 12bit RGB 4: 4 (highest 1080p30) under all formats, and 8bit, 10bit YUV 4: 2 under all formats.
SDI video sampling: 4: 2, 4: 4
The reason we use broadcast level equipment is as follows: the broadcast level equipment usually adopts SDI equipment
SDI has several advantages over commonly used HDMI:
1. and (4) stabilizing. The transmission mode (SDI signal) of selection broadcasting and TV trade standard, the design of auto-lock buckle is reliable and more stable, is difficult for droing, just so can not appear because of the signal interruption that the human factor caused. For example, in live activities, the signal is not interrupted by colliding with the line head.
2. The transmission distance is long. SDI interface is an acronym for digital component serial interface (serial digital interface). The serial interface is characterized by that it is a simple communication line, only a pair of transmission lines can implement bidirectional communication, specially it is applicable to remote communication. Theoretically, the transmission distance of SDI can reach 100m, while the transmission distance of HDMI is generally within 30 m.
3. It is cheap. Compared with the HDMI interface wire with the same length (meter number), the SDI has lower engineering cost than other products.
The utility model discloses, more focus on-the-spot real-time program preparation, like live talk show, see from the particularity of program, more reliable and stable with the SDI interface.
For example: the utility model discloses use the SDI setting at local end, like HD-SDI camera, it is through network transmission after compressing and packing with video signal unlike the network camera, and it is with uncompressed digital signal high-speed transmission on coaxial cable, and original image (main part image) can not distort.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (6)
1. A hardware platform for supporting co-scene fusion in a different place, comprising:
the system comprises a first camera device, a collecting device, a processing device and a broadcast-grade video output card which are positioned at a local end;
a second camera device located at a far end;
the first camera equipment adopts an HD-SDI camera and is connected with a first video input end of the acquisition equipment through a coaxial cable, so that uncompressed digital video signals are directly acquired; the second camera shooting device is connected with a second video input end of the acquisition device through the network communication module; the two video output ends of the acquisition equipment, which correspond to the local end signal and the remote end signal, are jointly connected to the processing equipment for realizing the synthesis of two paths of videos; and the input end of the broadcast-grade video output card is connected with the output end of the processing equipment and used for outputting the synthesized signal to a specified platform or recording and storing.
2. The hardware platform for supporting syncretizing between different places and the same scene as in claim 1, wherein the processing device adopts an industrial control host and has a PCI-E interface; the acquisition equipment and the broadcast-level video output card are respectively connected with corresponding PCI-E interfaces.
3. The hardware platform for supporting syncretizing between different places and the same scene as in claim 1, wherein the second camera device is a professional high/standard definition camera, a network camera or a mobile phone camera.
4. The hardware platform for supporting syncretizing between different places and different scenes according to claim 1, wherein said capturing device employs a broadcast-grade video capture card.
5. The hardware platform for supporting syncretizing between different places and the same scene as in claim 2, wherein the industrial control host adopts a junzhen T30A chip.
6. The hardware platform for supporting syncretic actions between different places according to claim 1, wherein the broadcast-level special output card further extends an external plug-flow device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021261637.3U CN212413318U (en) | 2020-06-30 | 2020-06-30 | Hardware platform for supporting integration of different places and same scenes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021261637.3U CN212413318U (en) | 2020-06-30 | 2020-06-30 | Hardware platform for supporting integration of different places and same scenes |
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| CN212413318U true CN212413318U (en) | 2021-01-26 |
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