CN110139081B - A video coding method and device - Google Patents

Abstract

The invention discloses a video coding method and device, belonging to the field of video coding. A video encoding device includes a lossless video encoder and a casing, wherein the lossless video encoder is arranged in the casing; a support frame, the casing is fixedly arranged on the support frame; a liquid storage tank is fixedly arranged in Underground, the support frame is fixedly connected to the liquid storage tank; the cooling liquid pipe is arranged on the casing and is located on the lower side of the lossless video encoder; the present invention effectively cools the temperature and ensures the compression speed of the lossless video encoder , to ensure the upload speed; in addition, the liquid driving effect when the insulating cooling liquid is transported through the liquid inlet pipe can be used to drive the impeller to rotate, so that the rotating shaft drives the drive shaft to rotate, so as to drive the drive shaft to rotate through the worm and the turbine. Drive the blowing fan blades to rotate quickly and effectively, so as to blow and dissipate heat, and the heat dissipation effect is good, which further ensures the upload speed and the monitoring effect.

Description

A video coding method and device

technical field

The present invention relates to the technical field of video coding, and in particular, to a video coding method and device.

Background technique

The remote video monitoring system can reach any corner of the world through standard telephone line, network, mobile broadband and ISDN data line or direct connection, and can control the pan/tilt, lens, and store video surveillance images; remote transmission monitoring system through ordinary telephone The line transmits the remote activity scene to the viewer's computer screen, and has the function of dialing the alarm back to the receiving end when the alarm is triggered.

The camera is essential in remote video surveillance. The video is recorded by the camera and then the information is transmitted remotely. The lossless video encoder is an indispensable link. Since the video recorded by the camera needs to be compressed and transmitted, the video encoder is composed of Dedicated audio and video compression codec chip, data and alarm input and output channels, network interface, audio and video interface, RS232 serial interface control, protocol interface control, embedded software, etc., to transmit the compressed video files to the remote monitoring center.

Video surveillance is mostly used for outdoor monitoring, and the outdoor environment is more complex, especially in hot summer, the higher temperature affects the chip of the lossless video encoder, affects the compression speed and effect, and the video upload speed is affected to a certain extent. In addition, the current cameras are mostly used for real-time monitoring. For all the images in the recording area, the recorded data is mostly huge data. The lossless video encoder takes a long time to compress the larger data, which further affects the upload speed. The monitoring effect is affected.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem that the lossless video encoder in the prior art compresses large data for a long time, further affects the upload speed, and affects the real-time monitoring effect, and proposes a video encoding method and device.

In order to achieve the above object, the present invention adopts the following technical solutions:

A video encoding device, including a lossless video encoder, also includes:

a casing, the lossless video encoder is arranged in the casing;

a support frame, the casing is fixedly arranged on the support frame;

The liquid storage tank is fixedly arranged underground, and the support frame is fixedly connected to the liquid storage tank;

The cooling liquid pipe is arranged on the casing and is located on the lower side of the lossless video encoder;

The liquid inlet pipe and the liquid outlet pipe are respectively connected to both ends of the cooling liquid pipe;

The liquid outlet pipe is fixedly connected to the support frame, the liquid inlet pipe is fixedly embedded in the support frame, the end of the liquid outlet pipe away from the cooling liquid pipe is placed in the liquid storage tank, and the liquid inlet pipe is away from the cooling liquid pipe. One end is placed on the bottom side of the liquid storage tank and is connected with a submersible pump.

Preferably, a rotating shaft is rotatably connected to the casing through a support plate, a blowing fan blade is connected to the rotating shaft, and the blowing fan blade is located under the cooling liquid pipe, a driving shaft is rotatably connected to the casing, and the A worm screw is fixedly connected to the drive shaft, and a turbine wheel matched with the worm screw is fixedly sleeved on the rotating shaft.

Preferably, a rotating shaft is rotatably connected to the support frame, one end of the rotating shaft is placed in the liquid inlet pipe, one end of the rotating shaft placed in the liquid inlet pipe is connected to a driving impeller, and the other end of the rotating shaft is connected to the driving impeller. shafts are connected.

Preferably, it also includes a box body, an acceleration shaft is rotatably connected to the box body, a first large gear and a first pinion are fixedly sleeved on the acceleration shaft respectively, and a first large gear and a first pinion are fixedly connected to the drive shaft. A second pinion gear meshed with the large gear, and a second large gear meshed with the first pinion is fixedly connected to the rotating shaft.

Preferably, a first filter screen is fixedly connected in the housing, and the first filter screen is connected at the air inlet hole of the housing.

Preferably, a second filter screen is fixedly connected in the housing, and the second filter screen is located between the cooling liquid pipe and the blowing fan blade.

Preferably, the number of the cooling liquid pipes is 4-6, and they are evenly distributed in the casing.

A method for a video encoding device, further comprising:

a first omnidirectional camera and a second omnidirectional camera, and both the first omnidirectional camera and the second omnidirectional camera are connected to the support frame;

an image feature analysis module, electrically connected to the first omnidirectional camera;

a data processing module, electrically connected with the first omnidirectional camera;

The panoramic analysis module is connected to the signal of the data processing module;

The data storage module is connected to the signal of the panoramic analysis module;

The analysis and comparison module, the image feature analysis module and the data storage module are all electrically connected with the analysis and comparison module;

A feature extraction module, the analysis and comparison module and the lossless video encoder are both connected with the signal of the feature extraction module;

Take the following steps:

S1. The second omnidirectional camera has a built-in timing recording module to perform regular interval timing recording;

S2. The second omnidirectional camera processes the recorded video data through the data processing module, then uses the panoramic analysis module for panoramic analysis and processing, and finally saves it in the data storage module;

S3. The first omnidirectional camera records the regional video in real time, and performs real-time recording and monitoring within a certain range;

S4. The video recorded by the first omnidirectional camera is analyzed and processed by the image feature analysis module;

S5, using the analysis and comparison module to analyze the analysis data of the image feature analysis module and to compare and analyze the regional panoramic image stored by the data storage module;

S6. Then, the feature extraction module only needs to extract the video images that are different from the first omnidirectional camera and the second omnidirectional camera, and then extract, encode and process through a lossless video encoder, and then transmit it to the remote control center.

Preferably, the data storage module also compresses and transmits the stored data to the remote control center through a lossless video encoder, and the remote control center uses the remote data storage module to store data information, record the video in the first omnidirectional camera and extract it through the feature extraction module. After the distinguishing features are compressed and transmitted by the lossless video encoder, the data of the feature extraction module and the remote data storage module are reorganized and displayed through the data reorganization module for monitoring.

Preferably, it also includes a first image preprocessing module and a second image preprocessing module, the first image preprocessing module and the second image preprocessing module are respectively electrically connected to the first omnidirectional camera and the second omnidirectional camera .

Compared with the prior art, the present invention provides a video coding method and device, which have the following beneficial effects:

1. The video encoding method and device connect the lossless video encoder and the casing through the support frame, and by pre-embedding a liquid storage tank in the ground below the support frame, it can make full use of the low temperature of the liquid under the ground in hot summer. Then, the cold liquid is transported through the liquid inlet pipe to the cooling liquid pipe through the corresponding submersible pump, and then flows back through the liquid outlet pipe to effectively cool the temperature, which ensures the compression speed of the lossless video encoder and the upload speed; The liquid driving effect of the liquid inlet pipe when transporting insulating cooling liquid realizes the rotation of the driving impeller, so that the rotating shaft drives the driving shaft to rotate, so as to realize the rotation of the driving shaft through the worm and the turbine, so as to realize the rapid and effective rotation of the blowing fan blades , so as to carry out air blowing and heat dissipation, and the heat dissipation effect is good, which further ensures the upload speed and the monitoring effect.

2. In the video coding method and device, the second omnidirectional camera has a built-in timing recording module to perform regular interval timing recording; 6 motors can be set to perform timing recording every morning, and the second omnidirectional camera will record the video data through the video data. The data processing module performs processing, and then uses the panoramic analysis module for panoramic analysis and processing, and finally saves it in the data storage module; the first omnidirectional camera records the regional video in real time, and performs real-time recording and monitoring within a certain range; realizes uninterrupted whole-process recording , the video recorded by the first omnidirectional camera is analyzed and processed by the image feature analysis module; the analysis data of the image feature analysis module is analyzed by the analysis and comparison module and compared with the regional panoramic image stored by the data storage module; and then the feature extraction module is used to only It is necessary to extract the video image that is different from the first omnidirectional camera and the second omnidirectional camera, and then extract it, encode it through a lossless video encoder, and then transmit it to the remote control center. The lossless video encoder only needs to compress and The azimuth camera has different environmental characteristics, so there is no need to compress all the video content of the first omnidirectional camera, which reduces the lossless compression workload of the lossless video encoder, only needs to compress part of the distinctive feature data, and improves the upload speed.

Description of drawings

Fig. 1 is the control flow chart of a kind of video coding method proposed by the present invention;

FIG. 2 is a schematic structural diagram of a video coding method and apparatus proposed by the present invention;

3 is a schematic cross-sectional structure diagram of a video coding method and apparatus proposed by the present invention;

4 is a schematic structural diagram of a video encoding method and apparatus in FIG. 3 of the present invention;

FIG. 5 is a schematic structural diagram of the video coding method and device in FIG. 4 according to the present invention;

FIG. 6 is a schematic diagram of a casing structure of a video coding method and apparatus proposed by the present invention;

FIG. 7 is a schematic diagram of a turbo-worm connection structure of a video coding method and apparatus proposed by the present invention.

In the picture: 1. Support frame; 2. Liquid outlet pipe; 3. Housing; 4. Second omnidirectional camera; 5. First omnidirectional camera; 6. Liquid inlet pipe; 7. Liquid storage tank; 8. Submersible Liquid pump; 9. Supporting plate; 10. Acceleration shaft; 11. First pinion; 12. Rotating shaft; 13. Driving impeller; 14. Second large gear; 15. Box body; 16. First filter screen; 17 , second filter; 18, cooling liquid pipe; 19, lossless video encoder; 20, blowing fan blade; 21, shaft; 22, turbine; 23, worm; 24, second image preprocessing module; 25, drive shaft ; 26, the second pinion; 27, the first large gear; 28, the first image preprocessing module; 29, the image feature analysis module; 30, the analysis and comparison module; 31, the feature extraction module; 32, the data reorganization module; 33 34, remote control center; 35, data storage module; 36, panoramic analysis module; 37, data processing module.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

Example 1:

1-7, a video encoding apparatus, including a lossless video encoder 19, also includes:

housing 3, the lossless video encoder 19 is arranged in the housing 3;

The support frame 1, the shell 3 is fixedly arranged on the support frame 1;

The liquid storage tank 7 is fixedly arranged underground, the liquid storage tank 7 is filled with insulating cooling liquid, and the support frame 1 is fixedly connected to the liquid storage tank 7;

The cooling liquid pipe 18 is arranged through the casing 3 and is located on the lower side of the lossless video encoder 19;

The liquid inlet pipe 6 and the liquid outlet pipe 2 are respectively connected to both ends of the cooling liquid pipe 18;

Among them, the liquid outlet pipe 2 is fixedly connected to the support frame 1, the liquid inlet pipe 6 is fixedly embedded in the support frame 1, the end of the liquid outlet pipe 2 away from the cooling liquid pipe 18 is placed in the liquid storage tank 7, and the liquid inlet pipe 6 One end away from the cooling liquid pipe 18 is placed on the bottom side of the liquid storage tank 7 and connected to the submersible pump 8 .

A rotating shaft 21 is rotatably connected to the casing 3 through a support plate 9, and a blowing fan blade 20 is connected to the rotating shaft 21. The blowing fan blade 20 is located under the cooling liquid pipe 18, and a driving shaft 25 is rotatably connected to the casing 3. A worm 23 is fixedly connected and sleeved, and a turbine wheel 22 matching the worm 23 is fixedly sleeved on the rotating shaft 21 .

The support frame 1 is rotatably connected with a rotating shaft 12, one end of the rotating shaft 12 is placed in the liquid inlet pipe 6, one end of the rotating shaft 12 is placed in the liquid inlet pipe 6 and is connected with a driving impeller 13, and the other end of the rotating shaft 12 is connected with the driving shaft 25. ;

The lossless video encoder 19 and the casing 3 are supported and connected by the support frame 1, and the liquid storage tank 7 is embedded in the ground below the support frame 1 to make full use of the low temperature of the liquid under the ground in hot summer, and then through the corresponding The submersible pump 8 transports the cold liquid through the liquid inlet pipe 6 to the cooling liquid pipe 18, and then flows back through the liquid outlet pipe 2, effectively cooling the temperature, ensuring the compression speed of the lossless video encoder 19 and ensuring the uploading speed; Through the liquid driving action when the insulating cooling liquid is transported by the liquid inlet pipe 6, the driving impeller 13 is driven to rotate, so that the rotating shaft 12 drives the driving shaft 25 to rotate, so that the driving shaft 25 is driven to rotate through the worm 23 and the turbine 22, so as to realize the driving of the driving shaft 25. The blowing fan blades 20 rotate quickly and effectively, thereby blowing and dissipating heat, and the heat dissipation effect is good, which further ensures the upload speed and the monitoring effect.

A method for a video encoding device, further comprising:

The first omnidirectional camera 5 and the second omnidirectional camera 4, and the first omnidirectional camera 5 and the second omnidirectional camera 4 are both connected to the support frame 1;

The image feature analysis module 29 is electrically connected to the first omnidirectional camera 5;

The data processing module 37 is electrically connected to the first omnidirectional camera 5;

The panorama analysis module 36 is connected to the data processing module 37 in signal;

The data storage module 35 is signal-connected with the panoramic analysis module 36;

The analysis and comparison module 30, the image feature analysis module 29 and the data storage module 35 are all electrically connected to the analysis and comparison module 30;

The feature extraction module 31, the analysis and comparison module 30 and the lossless video encoder 19 are all connected with the signal of the feature extraction module 31;

Take the following steps:

S1. The second omnidirectional camera 4 has a built-in timing recording module, which performs regular interval timing recording;

S2, the video data recorded by the second omnidirectional camera 4 is processed by the data processing module 37, and then the panoramic analysis module 36 is utilized for panoramic analysis and processing, and finally stored in the data storage module 35;

S3. The first omnidirectional camera 5 records regional video in real time, and performs real-time recording and monitoring within a certain range;

S4, the video recorded by the first omnidirectional camera 5 is analyzed and processed by the image feature analysis module 29;

S5, utilize the analysis and contrast module 30 to analyze the analysis data of the image feature analysis module 29 and carry out comparative analysis with the regional panoramic image stored by the data storage module 35;

S6. Then, the feature extraction module 31 only needs to extract the video image that is different from the first omnidirectional camera 5 and the second omnidirectional camera 4, and then extracts, and performs encoding processing through the lossless video encoder 19, and then transmits it to the remote control center 34;

The second omnidirectional camera 4 has a built-in timing recording module to perform regular interval timing recording; 6 motors can be set to perform timing recording every morning, and the second omnidirectional camera 4 processes the recorded video data through the data processing module 37, Then use the panoramic analysis module 36 to perform panoramic analysis and processing, and finally save it in the data storage module 35; the first omnidirectional camera 5 records the regional video in real time, and performs real-time recording and monitoring within a certain range; to achieve uninterrupted whole process recording, the first The video recorded by the omnidirectional camera 5 is analyzed and processed by the image feature analysis module 29; the analysis data of the image feature analysis module 29 is analyzed by the analysis and contrast module 30 and the regional panoramic image stored by the data storage module 35 is compared and analyzed; then the feature extraction is utilized The module 31 only needs to extract the video image that is different from the first omnidirectional camera 5 and the second omnidirectional camera 4, and then extract, encode and process through the lossless video encoder 19, and then transmit it to the remote control center 34, the lossless video encoder. 19 It only needs to compress the environmental features that are different from the second omnidirectional camera 4, and it is not necessary to compress all the video content of the first omnidirectional camera 5, which reduces the lossless compression workload of the lossless video encoder 19, and only needs to compress part of the difference. Feature data to improve upload speed.

Example 2:

1-5, a video encoding device is basically the same as Embodiment 1, and further includes a box body 15, the box body 15 is rotatably connected with an acceleration shaft 10, and the acceleration shaft 10 is respectively fixed and sleeved with a The first large gear 27 and the first pinion 11, the drive shaft 25 is fixedly connected with a second pinion 26 that meshes with the first large gear 27, and the rotating shaft 12 is fixedly connected to the first pinion 11. The large gear 14; the first large gear 27 and the first pinion 11 can be fixedly sleeved on the acceleration shaft 10 respectively, which can accelerate the rotation speed output by the rotating shaft 12, thereby conveying it to the driving shaft 25, improving the blowing fan. The blowing speed of the blades 20, so as to achieve effective heat dissipation;

A first filter screen 16 is fixedly connected to the housing 3, and the first filter screen 16 is connected to the air inlet hole of the housing 3; preliminary filtering is performed to remove dust.

A second filter screen 17 is fixedly connected in the housing 3, and the second filter screen 17 is located between the cooling liquid pipe 18 and the blowing fan blade 20, and further filters and filters impurities.

The number of cooling liquid pipes 18 is 4-6, and they are evenly distributed in the casing 3, and the cooling effect is good.

Example 3:

1-5, a video encoding method is basically the same as Embodiment 1, and further, the data storage module 35 also compresses and transmits the stored data to the remote control center 34 through the video encoder 19, and the remote control center 34 The remote data storage module 33 is used to store the data information. After the first omnidirectional camera 5 records and the distinguishing features extracted by the feature extraction module 31 are compressed and transmitted by the video encoder 19, the data recombination module 32 combines the feature extraction module 31 with the remote data. The data of the storage module 33 is reorganized and displayed for monitoring, which ensures the effect of remote monitoring.

It also includes a first image preprocessing module 28 and a second image preprocessing module 24. The first image preprocessing module 28 and the second image preprocessing module 24 are electrically connected to the first omnidirectional camera 5 and the second omnidirectional camera 4, respectively. Connected to ensure the accuracy of image feature analysis and comparison.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (10)

1. A video encoding device, comprising a lossless video encoder (19), characterized in that, further comprising a casing (3), the lossless video encoder (19) is arranged in the casing (3); a support frame (1), the casing (3) is fixedly arranged on the support frame (1); The water storage tank (7) is fixedly arranged underground, and the support frame (1) is fixedly connected to the water storage tank (7); The cooling water pipe (18) is arranged through the casing (3) and is located on the lower side of the lossless video encoder (19); The water inlet pipe (6) and the water outlet pipe (2) are respectively connected to both ends of the cooling water pipe (18); The water outlet pipe (2) is fixedly connected to the support frame (1), the water inlet pipe (6) is fixedly embedded in the support frame (1), and the end of the water outlet pipe (2) away from the cooling water pipe (18) is placed in the storage tank In the water tank (7), one end of the water inlet pipe (6) away from the cooling water pipe (18) is placed on the bottom side of the water storage tank (7) and connected with a submersible pump (8); Also includes a first omnidirectional camera (5) and a second omnidirectional camera (4), and both the first omnidirectional camera (5) and the second omnidirectional camera (4) are connected to the support frame (1); an image feature analysis module (29), electrically connected to the first omnidirectional camera (5); a data processing module (37), electrically connected to the first omnidirectional camera (5); a panoramic analysis module (36), which is signal-connected to the data processing module (37); a data storage module (35), which is signal-connected to the panoramic analysis module (36); The analysis and comparison module (30), the image feature analysis module (29) and the data storage module (35) are all electrically connected with the analysis and comparison module (30); a feature extraction module (31), the analysis and comparison module (30) and the lossless video encoder (19) are both signal-connected to the feature extraction module (31); Take the following steps: S1. The second omnidirectional camera (4) has a built-in timing recording module to perform regular interval timing recording; S2. The second omnidirectional camera (4) processes the recorded video data through the data processing module (37), then uses the panoramic analysis module (36) for panoramic analysis and processing, and finally saves it in the data storage module (35); S3. The first omnidirectional camera (5) records regional video in real time, and performs real-time recording and monitoring within a certain range; S4. The video recorded by the first omnidirectional camera (5) is analyzed and processed by the image feature analysis module (29); S5, using the analysis and comparison module (30) to analyze the analysis data of the image feature analysis module (29) and to compare and analyze the regional panoramic image stored in the data storage module (35); S6. Then, the feature extraction module (31) only needs to extract the video images that are different from the first omnidirectional camera (5) and the second omnidirectional camera (4), and then extract and encode through the lossless video encoder (19). processed and then passed to the remote control center (34). 2 . The video encoding device according to claim 1 , wherein a rotating shaft ( 21 ) is rotatably connected to the casing ( 3 ) through a support plate ( 9 ), and a rotating shaft ( 21 ) is connected with a rotating shaft ( 21 ). 3 . A blower blade (20), the blower blade (20) is located below the cooling water pipe (18), a drive shaft (25) is rotatably connected to the housing (3), and the drive shaft (25) is fixedly connected A worm (23) is sleeved with a worm (23), and a turbine (22) matched with the worm (23) is fixedly sleeved on the rotating shaft (21). 3 . The video encoding device according to claim 2 , wherein a rotating shaft ( 12 ) is rotatably connected to the support frame ( 1 ), and one end of the rotating shaft ( 12 ) is placed in the water inlet pipe ( 6 ). 4 . ), the rotating shaft (12) is connected to the drive impeller (13) at one end of the water inlet pipe (6), and the other end of the rotating shaft (12) is connected to the drive shaft (25). 4. A video encoding device according to claim 3, characterized in that it further comprises a box body (15), wherein an acceleration shaft (10) is rotatably connected to the box body (15), and the acceleration shaft (10) ) are respectively fixed and sleeved with a first large gear (27) and a first pinion (11), and a second pinion (26) meshing with the first large gear (27) is fixedly connected to the drive shaft (25). ), the rotating shaft (12) is fixedly connected with a second large gear (14) meshing with the first pinion (11). 5. A video encoding device according to any one of claims 1-4, characterized in that, a first filter screen (16) is fixedly connected in the casing (3), and the first filter screen ( 16) Connect to the air inlet hole of the shell (3). 6 . The video encoding device according to claim 5 , wherein a second filter screen ( 17 ) is fixedly connected to the casing ( 3 ), and the second filter screen ( 17 ) is located in the cooling water pipe. 7 . (18) and the blower fan blades (20). 7 . The video encoding device according to claim 1 , wherein the cooling water pipes ( 18 ) are 4-6 in number, and are evenly distributed in the casing ( 3 ). 8 . 8. A video encoding method of a video encoding device according to claim 4, characterized in that further comprising a first omnidirectional camera (5) and a second omnidirectional camera (4), and the first omnidirectional camera The camera (5) and the second omnidirectional camera (4) are both connected to the support frame (1); an image feature analysis module (29), electrically connected to the first omnidirectional camera (5); a data processing module (37), electrically connected to the first omnidirectional camera (5); a panoramic analysis module (36), which is signal-connected to the data processing module (37); a data storage module (35), which is signal-connected to the panoramic analysis module (36); The analysis and comparison module (30), the image feature analysis module (29) and the data storage module (35) are all electrically connected with the analysis and comparison module (30); a feature extraction module (31), the analysis and comparison module (30) and the lossless video encoder (19) are both signal-connected to the feature extraction module (31); Take the following steps: S1. The second omnidirectional camera (4) has a built-in timing recording module to perform regular interval timing recording; S2. The second omnidirectional camera (4) processes the recorded video data through the data processing module (37), then uses the panoramic analysis module (36) for panoramic analysis and processing, and finally saves it in the data storage module (35); S3. The first omnidirectional camera (5) records regional video in real time, and performs real-time recording and monitoring within a certain range; S4. The video recorded by the first omnidirectional camera (5) is analyzed and processed by the image feature analysis module (29); S5, using the analysis and comparison module (30) to analyze the analysis data of the image feature analysis module (29) and to compare and analyze the regional panoramic image stored in the data storage module (35); S6. Then, the feature extraction module (31) only needs to extract the video images that are different from the first omnidirectional camera (5) and the second omnidirectional camera (4), and then extract and encode through the lossless video encoder (19). processed and then passed to the remote control center (34). 9. The video encoding method according to claim 8, wherein the data storage module (35) also compresses and transmits the stored data to a remote control center (34) through a lossless video encoder (19), and the remote control The center (34) uses the remote data storage module (33) to store data information, and after the first omnidirectional camera (5) records the video and the distinguishing features extracted by the feature extraction module (31) are compressed and transmitted by the lossless video encoder (19), The data of the feature extraction module (31) and the remote data storage module (33) are reorganized and displayed through the data reorganization module (32) for monitoring. 10. The video coding method according to claim 8, further comprising a first image preprocessing module (28) and a second image preprocessing module (24), the first image preprocessing module (28) and the second image preprocessing module (24) are respectively electrically connected with the first omnidirectional camera (5) and the second omnidirectional camera (4).

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