CN108833832B - Glasses video recorder and video recording method - Google Patents
Glasses video recorder and video recording method Download PDFInfo
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- CN108833832B CN108833832B CN201810635645.0A CN201810635645A CN108833832B CN 108833832 B CN108833832 B CN 108833832B CN 201810635645 A CN201810635645 A CN 201810635645A CN 108833832 B CN108833832 B CN 108833832B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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Abstract
The invention discloses a glasses video recorder and a method, comprising a glasses frame, two glasses legs and a control host, wherein the control host comprises a first image input module and a second image input module, the first image input module and the second image input module respectively comprise a first image input device and a second image input device, the first image input device is arranged on the glasses frame, and the second image input device is arranged at the front part of any one of the glasses legs; a shooting method comprises the following steps: the first image input device records, identifies and judges the area in the range; the second image input device is used for capturing and identifying the target object in the area and caching the target object; synthesizing and superposing the acquired image frames, and displaying the images on a mobile terminal or a remote monitor; by implementing the method and the device, the video recorder can record the whole picture scene in a range in an audio and video mode, can also capture local details of the target object in a close-up mode, and has the function characteristic of gun and ball linkage in security monitoring.
Description
Technical Field
The invention relates to the technical field of audio and video recording equipment, in particular to a portable glasses audio and video recorder and a recording method.
Background
The law enforcement video recorder for police is taken as important equipment for patrolling policemen and is popularized and applied in China. In the patrol process, the policeman needs to wear a law enforcement camera to record the audio and video in the patrol process. From the technical point of view, the method is divided into standard definition and high definition. Generally, a law enforcement camcorder comprises a pickup, a camera, a processor and a memory card. Some law enforcement cameras are added with wireless transmission equipment and have a wireless transmission function. Common wireless transmission devices include a bluetooth processing chip, a WiFi processing chip, and a mobile communication card. The Bluetooth processing chip and the WiFi processing chip adopt a short-distance transmission technology, and the mobile communication card can realize long-distance transmission.
The existing law enforcement video recorder has three using modes, namely hanging on the chest, hanging on the epaulet and propping against the helmet. The law enforcement video recorder supported on the helmet is used as professional individual equipment, has powerful functions, is heavy in size and is inconvenient to popularize in the patrol process of daily policemen. The former two using modes have the problem that the visual angle of the camera is not consistent with that of the policeman. Even because of the weight of the law enforcement camera, the badge and the epaulet can not bear the weight of the camera and droop to overlook, so that the law enforcement camera only shoots the ground in the patrol process of the policeman, and does not shoot at a normal visual angle, and the problem that the law enforcement camera can not normally record law enforcement is caused.
The single-camera glasses type audio and video recorder solves the problem that the traditional law enforcement recorder has inconsistent recording visual angle with human eyes. However, people familiar with security monitoring systems know that the gun and ball are linked, namely, a camera of a gun camera covers a large scene, and then a ball machine carries out focusing close-up snapshot on a moving object, so that the scene combination of large scene shooting and moving object close-up snapshot is realized, and the solution is widely applied to the security monitoring field. However, in the environment of mobile law enforcement, due to the structural and power consumption constraints, no product with the gun-ball linkage function is available on the market at present.
Disclosure of Invention
The wearable glasses audio and video recording instrument and the wearable glasses audio and video recording method with simple structures are provided aiming at the problems that the existing law enforcement video recording instrument is inconvenient to use structurally, the video recording visual angle is inconsistent with the visual angle of human eyes, and the human faces cannot be identified. The images acquired by the two image input devices are synthesized and superposed into a final image to be displayed. The visual angles of the two image input devices of the glasses audio and video recorder are always consistent with the visual angles of human eyes. The power supply module is arranged to always enable each module to work in a low power consumption state, so that the battery capacity is further reduced during design, and the whole glasses are lighter. And transmitting the acquired superposed pictures to a remote monitoring center in real time, and switching and adjusting two images displayed by the display unit.
In a first aspect, a glasses video recorder is provided, which includes a glasses frame, two glasses legs symmetrically disposed and a control host disposed in the glasses video recorder structure, wherein the control host includes a first image input module and a second image input module, the first image input module and the second image input module respectively include a first image input device and a second image input device, the first image input device is disposed on the glasses frame, and the second image input device is disposed at a front portion of any of the glasses legs.
With reference to the first aspect, in a first possible implementation manner, the first image input device is disposed at a nose pad position of the glasses frame, and the two glasses legs have the same weight.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the PCB of the host controller is disposed in the left or right glasses leg, and correspondingly, the second image input device is disposed at the front end of the left or right glasses leg.
With reference to the first aspect, in a third possible implementation manner, the control host further includes a processing module, a power module, an audio input module, an audio output module, a storage module, a wireless communication module, and a switch module, where the audio input module, the audio output module, the storage module, the wireless communication module, and the switch module are electrically connected to the processing module and the power module, and the power module is electrically connected to the processing module.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the wireless communication module includes a short-range communication unit and a long-range communication unit, where the short-range communication unit is a bluetooth or WiFi unit, and the long-range communication unit is a mobile communication card unit.
With reference to the third possible implementation manner of the first aspect, in a fifth possible implementation manner, the audio input module is a sound pickup module, and the audio output module is a bone conduction earphone module.
With reference to the first aspect, in a sixth possible implementation manner, the control host further includes an input/output module, the input/output module is electrically connected to the processing module and the power supply module, and the input/output module includes a display unit and an operation unit.
With reference to the foregoing embodiments, in a seventh possible implementation manner, the first image input device and the second image input device are a wide-angle camera and a telephoto camera, respectively.
In a second aspect, a recording method is disclosed, which includes:
the first image input module records a video of an area in the arc-shaped range of the visual angle of the human eye, and compares, identifies and judges the area;
the second image input module is used for capturing and identifying the target object far away from the range and caching the target object;
synthesizing and superposing image pictures acquired by the first image input module and the second image input module, and displaying the images on a mobile terminal or a remote monitor;
the first image input device and the second image input device are a wide-angle camera and a long-focus camera respectively.
With reference to the second aspect, in a first possible implementation manner, the step of: the first image input module records video in the area within the arc-shaped range of the visual angle of the human eye, and compares, identifies and judges the video, and the first image input module comprises the following components:
the first image input module captures a face image, and if the face image is compared and identified, the image is continuously recorded;
and if the images are not compared and identified, comparing and identifying the images.
With reference to the second aspect, in a second possible implementation manner, in the step: synthesize and superpose the image picture that first image input module, second image input module obtained, show on the display element, later still include:
and switching and adjusting the two images displayed by the mobile terminal or the remote monitoring through an operation unit.
The wearable glasses audio and video recording instrument and the recording method with simple structure disclosed by the invention have the advantages that the wide-angle camera is arranged on the frame part of the glasses structure, so that the recording visual angle is consistent with the visual angle of human eyes, the image of the maximum target area range can be obtained, and the long-focus camera is arranged to capture, identify and compare a target object, such as a human face, in the target area range so as to perform early warning in time. The images acquired by the two image input devices are synthesized and superposed into a final image to be displayed. The wide-angle camera can also compare, identify and judge the target object in the acquired target area, so that repeated identification is avoided. The two image input devices of the glasses audio and video recorder dynamically change the visual angle in real time along with the change of the visual angle of human eyes and keep consistent with the visual angle. The glasses video recorder is further provided with a power module with a power saving function, all the time, all the modules work in a low power consumption state, so that the capacity of a battery is further reduced in design, the power consumption and the weight of the whole glasses are reduced, and the size of the whole glasses is smaller and lighter. The obtained superposed picture can be transmitted to the remote monitoring center in real time through the wireless communication unit, and the two images displayed by the display unit are switched and adjusted through the operation unit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of logical component connections of a preferred embodiment of a control host in a video camera of the present invention;
FIG. 2 is a schematic diagram of the logical connections of the preferred embodiment of the I/O module in the control host of the present invention;
FIG. 3 is a schematic flow chart illustrating steps of an embodiment of a recording method according to the present invention;
FIG. 4 is a schematic flow chart of a preferred embodiment of the S1 sub-step of a recording method in accordance with the present invention;
the part names indicated by the numbers in the drawings are as follows: 100-processing module, 110-power module, 120-first image input module, 130-second image input module, 140-audio input module, 150-wireless communication module, 160-switch module, 170-audio output module, 180-storage module, 190-input output module, 191-display unit, 192-operation unit.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without any creative effort, shall fall within the protection scope of the present invention.
The wearable glasses audio and video camcorder and the shooting method with the simple structure are provided, and the problems that an existing law enforcement camcorder is inconvenient to use structurally, the shooting visual angle is inconsistent with the human eye visual angle, and the human face cannot be identified are solved.
In a first aspect, a glasses camera includes a glasses frame, two glasses legs, and a control host disposed in a structure of the glasses camera, where the control host includes a first image input module 120, a second image input module 130, a processing module 100, a power module 110, an audio input module 140, an audio output module 170, a storage module 180, a wireless communication module 150, a switch module 160, and an input/output module 190. The first image input module 120, the second image input module 130, the audio input module 140, the audio output module 170, the storage module 180, the wireless communication module 150, the switch module 160, and the input/output module 190 are electrically connected to the processing module 100 and the power module 110.
Further, the first image input module 120 and the second image input module 130 respectively include a first image input device and a second image input device, the first image input device is disposed on the glasses frame, and the second image input device is disposed at the front portion of any glasses leg. Preferably, the first image input device and the second image input device are a wide-angle camera and a telephoto camera, respectively.
The wide-angle camera is arranged on the frame part of the glasses structure, so that the shooting visual angle is kept consistent with the visual angle of human eyes, the image of the maximum target area range can be obtained, and the long-focus camera arranged on the glasses legs can shoot, identify and compare the target object in the target area range, so that early warning can be timely performed. The images acquired by the two image input devices are synthesized and superposed into a final image to be displayed. The visual angles of the two image input devices of the glasses audio and video recorder are always consistent with the visual angles of human eyes.
In one embodiment, the first image input device is provided at a nose pad position of the eyeglass frame, and the second image input device is provided at a front portion of any of the temples.
In other embodiments, the first image input device may be disposed at any other position in the front of the glasses frame.
The PCB of the control host is not disposed at the same position as the second image input device, for example, the PCB is disposed in an inner structure of a glasses frame of the glasses camcorder, and the second image input device is disposed in the glasses leg and electrically connected to the PCB through a wire.
In a preferred embodiment, the first image input device is arranged at the nose support position of the glasses frame, the PCB of the control host is arranged in the left or right side glasses leg, and correspondingly, the second image input device is arranged at the front end of the left or right side glasses leg. The PCB of the control host and the second image input device are arranged on the same glasses leg, and the PCB is easier to realize in the process. The other glasses leg is the same in appearance structure and weight, so that discomfort caused by different weights of the two glasses legs is avoided.
Preferably, the audio input module 140 is a sound pickup module, and is configured to acquire sound signals within a shooting area and transmit the sound signals to the processing module 100. The audio output module 170 is a bone conduction headset module. The bone conduction earphones arranged in the glasses legs do not need to be additionally provided with Bluetooth earphones, and the two-way talkback function with the control center can be realized.
Further, the wireless communication module 150 includes a short-distance communication unit and a long-distance communication unit, the short-distance communication unit is a bluetooth or WiFi unit, and the long-distance communication unit is a mobile communication card unit. The Bluetooth or WiFi unit is used for short-distance signal transmission. The mobile communication card unit is used for long-distance signal transmission, and is preferably a 3G/4G card. The mobile internet and the intelligent terminal are adopted as carriers, and in the using process of the glasses video recorder, if remote monitoring is needed, the wireless transmission function of the 3G/4G communication card of the mobile phone is directly utilized, so that the purposes of remote transmission and monitoring are achieved.
Further, the input/output module 190 includes a display unit 191 and an operation unit 192, the display unit 191 is used for displaying the image information acquired by the two cameras, and the operation unit 192 is used for switching and adjusting the image pictures acquired by the wide camera and the telephoto camera. In the selection of the monitoring video, the user can select to view the independent monitoring screen of the wide-angle or telephoto camera alone or to view the picture-in-picture monitoring screen in which the wide-angle camera and the telephoto camera are mixed through the operation unit 192 and the display unit 191.
Through processing module 100, carry out picture stack processing to wide camera and tele camera, need not secondary treatment, can output the synthetic picture-in-picture of two cameras to through the API control that can secondary development, glasses video recorder's input/output module 190, for example APP can selectively control glasses output wide picture, tele picture, compound picture (picture-in-picture). The acquired superimposed image is transmitted to the remote monitoring center in real time, and the two images displayed by the display unit 191 are switched and adjusted.
Further, the power module 110 in the present application is connected to the processing module 100, and the detection unit therein is used to detect the power consumption of each module in real time, so that each module is always operated in a low power consumption state, the battery capacity is further reduced during design, and the whole glasses are more portable.
Further, the switch module 160 may be a general push button switch, or may be a touch switch.
The glasses type video recorder is designed into a glasses type appearance structure, so that the problem that the video recording visual angle is inconsistent with human eyes is solved; and a wide-angle camera and a long-focus camera are arranged in the glasses structure, the wide-angle camera can shoot a large-format panoramic picture to realize an audio and video shooting function, the long-focus camera can locally amplify and shoot a detailed picture, the close-up shooting of the face can be realized within a distance range of 6-10 meters, and the close-up shooting of the face can be compared with a face control library, so that early warning is realized. When people walk into, the human face captured by the wide-angle camera can be identified within the range of 2 meters, so that the functional characteristics of distance matching, automatic human face acquisition and human face comparison can be realized. Therefore, the effect similar to gun and ball linkage in security monitoring can be realized through the combined linkage of the two cameras.
When the wide-angle camera shoots the face, whether the cache photos shot by the long-focus camera are compared or not is judged, if yes, the comparison is not carried out, and only if not, the follow-up comparison is carried out, so that the comparison efficiency is improved, and meanwhile, the operation power consumption is reduced.
In a second aspect, a recording method is disclosed, comprising the steps of:
s1, recording the area in the arc range of the human eye visual angle by the first image input module 120 in the glasses video recorder, and comparing, identifying and judging;
step S1 includes the sub-steps of:
s11, the first image input module 120 captures a face image, and if the face image is compared and identified, the video recording is continued;
and S12, if the images are not compared and identified, comparing and identifying the images.
And S2, the second image input module 130 captures and identifies the target object far away from the range, and buffers the target object.
The first image input module 120 and the second image input module 130 respectively include a first image input device and a second image input device, the first image input device is disposed on the glasses frame, and the second image input device is disposed at the front of any glasses leg.
Preferably, the first image input device and the second image input device are a wide-angle camera and a telephoto camera, respectively.
The wide-angle camera is arranged on the frame part of the glasses structure, so that the shooting visual angle is kept consistent with the visual angle of human eyes, the image of the maximum target area range can be obtained, and the long-focus camera arranged on the glasses legs can shoot, identify and compare the target object in the target area range, so that early warning can be timely performed. The images acquired by the two image input devices are synthesized and superposed into a final image to be displayed. The visual angles of the two image input devices of the glasses audio and video recorder are always consistent with the visual angles of human eyes.
The first image input device is arranged at the nose support position of the glasses frame, the PCB of the control host is arranged in the left or right glasses leg, and correspondingly, the second image input device is arranged at the front end of the left or right glasses leg. The PCB of the control host and the second image input device are arranged on the same glasses leg, and the PCB is easier to realize in the process. The other glasses leg is the same in appearance structure and weight, so that discomfort caused by different weights of the two glasses legs is avoided.
And S3, synthesizing and overlapping the image frames acquired by the first image input module 120 and the second image input module 130, and displaying the images on the mobile terminal or the remote monitor.
The audio input module 140 is configured to acquire a sound signal within a shooting area, and transmit the sound signal to the processing module 100. The audio output module 170 is a bone conduction headset module. The bone conduction earphones arranged in the glasses legs do not need to be additionally provided with Bluetooth earphones, and the two-way talkback function with the control center can be realized.
The wireless communication module 150 includes a short-distance communication unit and a long-distance communication unit, the short-distance communication unit is a bluetooth or WiFi unit, and the long-distance communication unit is a mobile communication card unit. The Bluetooth or WiFi unit is used for short-distance signal transmission and is communicated with the mobile terminal, and the mobile communication card unit is used for long-distance signal transmission. Meanwhile, the mobile internet and the intelligent terminal are used as carriers, and when the glasses video recorder is used and remote monitoring is needed, the 3G/4G communication card wireless transmission function of the mobile terminal is directly utilized to achieve the purposes of remote transmission and monitoring.
When the face identification is carried out, the double cameras have the face identification function, firstly, the picture shot by the telephoto lens is identified and cached, when the face is also shot by the wide-angle camera, whether the picture is compared in the cached picture shot by the telephoto lens is judged firstly, if the picture is compared, the picture is not compared, only if the picture is not compared, the follow-up comparison is carried out, and the operation power consumption is reduced while the comparison efficiency is improved. Through the combined linkage of the two cameras, the effect similar to gun and ball linkage in security monitoring can be realized.
Through processing module 100, carry out picture stack processing to wide angle camera and tele camera, need not the processing of external processing module 100 secondary, can output the synthetic picture-in-picture of two cameras to through the API control that can develop secondarily, outside input/output module 190, for example APP can selectively control glasses output wide angle picture, tele picture, compound picture.
The power module 110 utilizes the detection unit therein to detect the power consumption of each module in real time, and all the time, each module is made to work in a low power consumption state, so that the battery capacity is further reduced during design, and the whole glasses are more portable. The acquired superimposed image is transmitted to the remote monitoring center in real time, and the two images displayed by the display unit 191 are switched and adjusted.
The glasses type video recorder is designed into a glasses type appearance structure, so that the problem that the video recording visual angle is inconsistent with human eyes is solved; and a wide-angle camera and a long-focus camera are arranged in the glasses structure, the wide-angle camera can shoot a large-format panoramic picture to realize an audio and video shooting function, the long-focus camera can locally amplify and shoot a detailed picture, the close-up shooting of the face can be realized within a distance range of 6-10 meters, and the close-up shooting of the face can be compared with a face control library, so that early warning is realized. When people walk into, the human face captured by the wide-angle camera can be identified within the range of 2 meters, so that the functional characteristics of distance matching, automatic human face acquisition and human face comparison can be realized.
In other embodiments, the method further includes step S4: the two kinds of images displayed by the display unit 191 are subjected to switching adjustment by the operation unit 192.
In the selection of the monitoring video, the user can select to view the independent monitoring screen of the wide-angle or tele camera alone or to view the monitoring screen of the picture-in-picture after the mixture of the wide angle and the tele through the operation unit 192 and the display unit 191.
The wearable glasses audio and video recording instrument and the recording method with simple structure disclosed by the invention have the advantages that the wide-angle camera is arranged on the frame part of the glasses structure, so that the recording visual angle is consistent with the visual angle of human eyes, the image of the maximum target area range can be obtained, and the long-focus camera is arranged to capture, identify and compare a target object, such as a human face, in the target area range so as to perform early warning in time. The images acquired by the two image input devices are synthesized and superposed into a final image to be displayed. The wide-angle camera can also compare, identify and judge the target object in the acquired target area, so that repeated identification is avoided. The two image input devices of the glasses audio and video recorder dynamically change the visual angle in real time along with the change of the visual angle of human eyes and keep consistent with the visual angle. The glasses video recorder is further provided with a power module 110 with a power saving function, all the time, all the modules work in a low power consumption state, so that the capacity of a battery is further reduced in design, the power consumption and the weight of the whole glasses are reduced, and the whole glasses are smaller in size and lighter. In the application, the acquired superimposed picture can be transmitted to the remote monitoring center in real time through the wireless communication unit, and the two images displayed by the display unit 191 are switched and adjusted through the operation unit 192.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A glasses video recorder comprises a glasses frame, two symmetrically arranged glasses legs and a control host arranged in the structure of the glasses video recorder, wherein the control host comprises a first image input module and a second image input module;
the shooting and recording method comprises the following steps:
the first image input module records a video of an area in the arc-shaped range of the visual angle of the human eye, and compares the video with a human face distribution control library for identification and judgment;
the second image input module is used for snapshotting a target object far away from the range, comparing the target object with the human face control library for identification, and caching the target object;
synthesizing and superposing image pictures acquired by the first image input module and the second image input module, and displaying the images on a mobile terminal or a remote monitor;
the first image input device and the second image input device are respectively a wide-angle camera and a long-focus camera;
the first image input module records video in the area within the arc-shaped range of the human eye viewing angle, compares the video with a human face control library, and judges the video by identification, and comprises the following steps:
the first image input module captures a face image, and if the face image is compared, identified and cached by the second image input device and the face control library, the first image input module continues to record the video;
if the face image is not compared and identified with the face control library by the second image input device and is cached, the first image input module compares and identifies the face image with the face control library.
2. The eyewear camcorder of claim 1, wherein the first image input device is disposed at a nose pad position of the glasses frame, and the two glasses legs have the same weight.
3. The video camera of claim 2, wherein the PCB of the control host is disposed in the left or right side glasses leg, and correspondingly, the second image input device is disposed at the front end of the left or right side glasses leg.
4. The eyewear camcorder of claim 1, wherein the control host further comprises a processing module, a power module, an audio input module, an audio output module, a storage module, a wireless communication module, and a switch module, the audio input module, the audio output module, the storage module, the wireless communication module, and the switch module are electrically connected to the processing module and the power module, and the power module is electrically connected to the processing module.
5. The video camera of claim 4, wherein the wireless communication module comprises a short-range communication unit and a long-range communication unit, the short-range communication unit is a Bluetooth or WiFi unit, and the long-range communication unit is a mobile communication card unit.
6. The eyewear camcorder of claim 4, wherein said audio input module is a pickup module and said audio output module is a bone conduction earphone module.
7. The video camera of any one of claims 4-6, wherein the control host further comprises an input/output module electrically connected to the processing module and the power module, the input/output module comprising a display unit and an operation unit.
8. A method of recording comprising:
the first image input module records a video of an area in the arc-shaped range of the visual angle of the human eye, and compares the video with a human face distribution control library for identification and judgment;
the second image input module is used for snapshotting a target object far away from the range, comparing the target object with the human face control library for identification, and caching the target object;
synthesizing and superposing image pictures acquired by the first image input module and the second image input module, and displaying the images on a mobile terminal or a remote monitor;
the first image input device and the second image input device are respectively a wide-angle camera and a long-focus camera;
the first image input module records video in the area within the arc-shaped range of the human eye viewing angle, compares the video with a human face control library, and judges the video by identification, and comprises the following steps:
the first image input module captures a face image, and if the face image is compared, identified and cached by the second image input device and the face control library, the first image input module continues to record the video;
if the face image is not compared and identified with the face control library by the second image input device and is cached, the first image input module compares and identifies the face image with the face control library.
9. The recording method of claim 8, wherein the image frames obtained by the first image input module and the second image input module are synthesized and superimposed and displayed on the display unit, and then the method further comprises:
and switching and adjusting the two images displayed by the mobile terminal or the remote monitoring through an operation unit.
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| CN109743502A (en) * | 2019-01-17 | 2019-05-10 | 重庆信络威科技有限公司 | Wearable video camera based on image and speech signal analysis |
| CN111881845B (en) * | 2020-07-30 | 2024-03-01 | 苏州玥林信息科技有限公司 | Face image capturing terminal of business member system |
| CN112702526A (en) * | 2020-12-28 | 2021-04-23 | 西安中科立德红外科技有限公司 | PAL-system-based multi-view video processing device and method |
| CN116546182B (en) * | 2023-07-05 | 2023-09-12 | 中数元宇数字科技(上海)有限公司 | Video processing method, device, equipment and storage medium |
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