CN112418021A - Method and device for realizing security module of single RGB-IR camera - Google Patents
Method and device for realizing security module of single RGB-IR camera Download PDFInfo
- Publication number
- CN112418021A CN112418021A CN202011243461.3A CN202011243461A CN112418021A CN 112418021 A CN112418021 A CN 112418021A CN 202011243461 A CN202011243461 A CN 202011243461A CN 112418021 A CN112418021 A CN 112418021A
- Authority
- CN
- China
- Prior art keywords
- rgb
- image
- camera
- face
- security module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention discloses a method and a device for realizing a security module of a single RGB-IR camera, which comprises the following steps of S1: collecting an RGB image and an IR image through an RGB-IR camera; step S2: extracting a face RGB image and a face IR image in the image; step S3: performing living body detection on the face RGB image and the face IR image acquired in the step S2 by using a living body detection algorithm, and judging whether the face in the image is a living body; step S4: encrypting the biopsy result after the biopsy in the step S2 is finished through an encryption drive and an algorithm which are arranged in an encryption chip; step S5: communicating the encrypted biopsy result ciphertext and the key exchange in the step S4 with the master control device through a USB interface; the invention adopts two images by adopting one RGB-IR camera, reduces the number of lenses, reduces the cost, has simpler structure and more convenient generation and use, automatically performs biopsy after collecting the images, performs encryption transmission of important data by using an encryption chip, and can directly transmit common preview data.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of cameras, in particular to the technical field of a safety module of a single RGB-IR camera.
[ background of the invention ]
The traditional 3D structure optical module is realized by using an RGB camera and an IR lamp, so that the defects of large volume, high cost, high power consumption, calibration problem between the cameras and the like on hardware and the problems of drive debugging, frame synchronization, infrared lamp control and the like on software can be caused. And the data transmission process of the traditional camera is directly transmitted without encryption, so that the safety is low, and important data are easy to leak.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a method and a device for realizing a security module of a single RGB-IR camera, which can improve the data transmission security of the camera.
In order to achieve the purpose, the invention provides a method for realizing a security module of a single RGB-IR camera, which comprises the following steps:
step S1: collecting an RGB image and an IR image through an RGB-IR camera;
step S2: extracting a face RGB image and a face IR image in the image;
step S3: performing living body detection on the face RGB image and the face IR image acquired in the step S2 by using a living body detection algorithm, and judging whether the face in the image is a living body;
step S4: encrypting the biopsy result after the biopsy in the step S2 is finished through an encryption drive and an algorithm which are arranged in an encryption chip;
step S5: communicating the encrypted biopsy result ciphertext and the key exchange in the step S4 with the master control device through a USB interface;
preferably, in the step S2, a preset face feature recognition model is adopted for the RGB image and the IR image extracted in the step S1, face recognition is performed on the RGB image and the IR image respectively, and a camera calibration algorithm and a depth algorithm are used to extract a face RGB image and a face IR image in the image.
Preferably, the step of detecting the living body in step S3 further includes acquiring human audio data in front of the RGB-IR camera by a sound recording device, extracting a voiceprint feature of the audio data, and determining that a living body exists based on the voiceprint feature.
Preferably, the key exchange step in step S5 is specifically:
1) the encryption chip responds to a USB request of the main control equipment through a USB interface and establishes communication with the main control equipment;
2) receiving a main control device instruction, and performing protocol conversion and analysis on the received instruction;
3) judging whether the instruction subjected to data analysis is an operation on common preview data or an operation on a biopsy result;
4) if the operation is the operation on the common preview data, the operation is directly executed; and if the biopsy result is to be operated, carrying out key exchange with the main control equipment through the USB interface, and sending the biopsy result ciphertext through the USB interface like the main control equipment if the key exchange is correct.
Preferably, the common preview data collected by the RGB-IR camera is directly communicated to the main control device through a USB interface.
Preferably, the acquired common preview data of the RGB-IR camera includes an RGB image and an IR image.
Preferably, the USB interface includes a USB customized driver.
Preferably, the USB customized driver includes any one or more of biopsy on/off command, biopsy algorithm configuration command, camera information and status command.
Preferably, the driving debugging and the IQ effect debugging can be performed on the RGB-IR camera through the USB interface.
Preferably, the IQ effect adjustment includes a camera beauty setting.
Another objective of the present invention is to provide a security module device of a single RGB-IR camera, comprising:
the RGB-IR camera is used for collecting RGB images and IR images;
the processing module is used for processing the image collected by the RGB-IR camera, respectively carrying out face recognition on the RGB image and the IR image by adopting a preset face feature recognition model, extracting a face RGB image and a face IR image in the image by utilizing a camera calibration algorithm and a depth algorithm, and carrying out in-vivo detection on the face RGB image and the face IR image by adopting an in-vivo detection algorithm;
the encryption chip is used for encrypting the living body detection result;
the VCSEL laser transmitter is used for transmitting infrared light which can be received by the RGB-IR camera;
and the USB interface is used for electrically and communicatively connecting the RGB-IR camera, the processing module, the encryption chip and the VCSEL laser transmitter with other equipment.
Preferably, the processing module is connected with a sound recording device, and is configured to acquire character audio data in front of the RGB-IR camera, extract a voiceprint feature of the audio data, and determine that a living body exists based on the voiceprint feature.
Preferably, the processing module is connected with a sound recording device, and is configured to acquire character audio data in front of the RGB-IR camera, extract a voiceprint feature of the audio data, and determine that a living body exists based on the voiceprint feature.
Preferably, an RGB supplementary lighting light source is disposed beside the RGB-IR camera, and is configured to emit common light for the RGB-IR camera to receive and generate an RGB image.
The method and the device for realizing the security module of the single RGB-IR camera have the beneficial effects that: the invention adopts two images by adopting one RGB-IR camera, reduces the number of lenses, reduces the cost, has simpler structure and more convenient generation and use, automatically performs biopsy after collecting the images, utilizes the encryption chip to encrypt and transmit important data, can directly transmit common preview data, and avoids the encryption process from influencing the use of the basic functions of the RGB-IR camera.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic flow chart of a method for implementing a security module of a single RGB-IR camera according to the present invention.
Fig. 2 is a schematic structural diagram of a security module of a single RGB-IR camera according to the present invention.
In the figure: the system comprises a 1-RGB-IR camera, a 2-processing module, a 3-encryption chip, a 4-VCSEL laser transmitter, a 5-USB interface, a 6-sound recording device and a 7-RGB supplementary lighting source.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1, the method for implementing a security module of a single RGB-IR camera according to the present invention includes the following steps:
step S1: the RGB image and the IR image are collected by an RGB-IR camera. The single RGB-IR camera is adopted to take two images, so that the number of lenses is reduced, the cost is reduced, the structure is simpler, and the generation and the use are more convenient.
Step S2: and extracting a human face RGB image and a human face IR image in the image.
Step S3: and performing living body detection on the face RGB image and the face IR image acquired in the step S2 by using a living body detection algorithm, and judging whether the face in the image is a living body.
Step S4: and encrypting the biopsy result after the biopsy is detected in the step S2 through an encryption drive and an algorithm which are arranged in an encryption chip. The biopsy result is encrypted to protect information, and the information transmission safety is improved.
Step S5: the encrypted biopsy result ciphertext and the key exchange in step S4 are communicated to the master device through a USB interface.
Referring to fig. 1, in step S2, a preset face feature recognition model is used for the RGB image and the IR image extracted in step S1, face recognition is performed on the RGB image and the IR image, and a camera calibration algorithm and a depth algorithm are used to extract a face RGB image and a face IR image in the images.
Referring to fig. 1, the live body detection step in step S3 further includes acquiring human audio data in front of the RGB-IR camera by the sound recording apparatus, extracting a voiceprint feature of the audio data, and determining that a live body exists based on the voiceprint feature. And a sound detection mechanism is added in the living body detection, so that the biopsy accuracy is further improved, and the safety is improved.
Referring to fig. 1, the key exchange step in step S5 specifically includes:
1, an encryption chip responds to a USB request of a main control device through a USB interface and establishes communication with the main control device;
2) receiving a main control device instruction, and performing protocol conversion and analysis on the received instruction;
3) judging whether the instruction subjected to data analysis is an operation on common preview data or an operation on a biopsy result;
4) if the operation is the operation on the common preview data, the operation is directly executed; if the biopsy result is to be operated, key exchange is carried out between the biopsy result and the main control equipment through the USB interface, and if the key exchange is correct, the biopsy result ciphertext is sent through the USB interface like the main control equipment. The encryption mechanism of the encryption chip is more intelligent, only the biopsy result is encrypted, the encryption process is prevented from influencing the transmission of the common preview data of the RGB-IR camera, and the burden of the encryption chip is reduced.
Referring to fig. 1, the general preview data collected by the RGB-IR camera is directly communicated to the main control device through the USB interface. The common preview data can be directly transmitted, and the situation that the use of the basic functions of the RGB-IR camera is influenced by the encryption process is avoided.
Referring to fig. 1, general preview data collected by an RGB-IR camera includes an RGB image and an IR image.
Referring to fig. 1, the USB interface includes a USB customized driver. Provides customized drive and meets various use requirements.
Referring to fig. 1, the USB customized driver includes any one or more of a biopsy on and off command, a biopsy algorithm configuration command, camera information, and a status command.
Referring to fig. 1, the driving debugging and the IQ effect debugging may be performed on the RGB-IR camera through the USB interface.
Referring to fig. 1, the IQ effect adjustment includes a camera beauty setting. The beauty of the portrait is improved, and the satisfaction degree of the user is improved.
Example two:
referring to fig. 2, the security module device of a single RGB-IR camera according to the present invention includes:
and the RGB-IR camera 1 is used for collecting RGB images and IR images. Two images are adopted by adopting a single RGB-IR camera, so that the number of lenses is reduced, the cost is reduced, the structure is simpler, and the generation and the use are more convenient
And the processing module 2 is used for processing the images collected by the RGB-IR camera 1, respectively carrying out face recognition on the RGB images and the IR images by adopting a preset face feature recognition model, extracting the face RGB images and the face IR images in the images by utilizing a camera calibration algorithm and a depth algorithm, and carrying out in-vivo detection on the face RGB images and the face IR images by adopting an in-vivo detection algorithm.
And the encryption chip 3 is used for encrypting the living body detection result. The encryption chip 3 is arranged to encrypt and transmit important information, and the information transmission safety is improved.
The VCSEL laser transmitter 4 is used for transmitting infrared light which can be received by the RGB-IR camera 1;
and the USB interface 5 is used for electrically and communicatively connecting the GB-IR camera 1, the processing module 2, the encryption chip 3, the VCSEL laser transmitter 4 and other equipment.
Referring to fig. 2, the processing module is connected to a sound recording device 6, and is configured to acquire character audio data in front of the RGB-IR camera 1, extract a voiceprint feature of the audio data, and determine that a living body exists based on the voiceprint feature. And a sound detection mechanism is added in the living body detection, so that the biopsy accuracy is further improved, and the safety is improved.
Referring to fig. 2, an RGB supplementary light source 7 is disposed beside the RGB-IR camera 1 for emitting a common light for the RGB-IR camera 1 to receive and generate an RGB image. The RGB supplementary lighting light source 7 is arranged to improve the light intensity, so that the poor image capturing effect of the RGB-IR camera 1 caused by insufficient light is avoided
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The implementation method of the security module of the single RGB-IR camera is characterized by comprising the following steps of:
step S1: collecting an RGB image and an IR image through an RGB-IR camera;
step S2: extracting a face RGB image and a face IR image in the image;
step S3: performing living body detection on the face RGB image and the face IR image acquired in the step S2 by using a living body detection algorithm, and judging whether the face in the image is a living body;
step S4: encrypting the biopsy result after the biopsy in the step S2 is finished through an encryption drive and an algorithm which are arranged in an encryption chip;
step S5: the encrypted biopsy result ciphertext and the key exchange in step S4 are communicated to the master device through a USB interface.
2. The method of claim 1, wherein the security module of the single RGB-IR camera comprises: and step S2, performing face recognition on the RGB image and the IR image extracted in step S1 by using a preset face feature recognition model, and extracting a face RGB image and a face IR image in the image by using a camera calibration algorithm and a depth algorithm.
3. The method of claim 1, wherein the security module of the single RGB-IR camera comprises: the key exchange step in step S5 specifically includes:
1) the encryption chip responds to a USB request of the main control equipment through a USB interface and establishes communication with the main control equipment;
2) receiving a main control device instruction, and performing protocol conversion and analysis on the received instruction;
3) judging whether the instruction subjected to data analysis is an operation on common preview data or an operation on a biopsy result;
4) if the operation is the operation on the common preview data, the operation is directly executed; and if the biopsy result is to be operated, carrying out key exchange with the main control equipment through the USB interface, and sending the biopsy result ciphertext through the USB interface like the main control equipment if the key exchange is correct.
4. A method for implementing a security module for a single RGB-IR camera as claimed in claim 1, wherein: and the common preview data collected by the RGB-IR camera is directly communicated to the main control equipment through a USB interface.
5. The method of claim 5, wherein the security module of the single RGB-IR camera comprises: the common preview data collected by the RGB-IR camera comprises an RGB image and an IR image.
6. The method of claim 1, wherein the security module of the single RGB-IR camera comprises: the USB interface comprises a USB customized driver.
7. The method of claim 7, wherein the security module of the single RGB-IR camera comprises: the USB customized driver comprises any one or more of biopsy opening and closing instructions, biopsy algorithm configuration instructions, camera information and state instructions.
8. The method of claim 1, wherein the security module of the single RGB-IR camera comprises: and driving debugging and IQ effect debugging can be carried out on the RGB-IR camera through the USB interface.
9. The method of claim 9, wherein the security module of the single RGB-IR camera comprises: and the IQ effect debugging comprises the beauty setting of the camera.
10. A security module device of single RGB-IR camera, characterized by, includes:
the RGB-IR camera (1) is used for collecting RGB images and collecting IR images;
the processing module (2) is used for processing the image collected by the RGB-IR camera (1), adopting a preset human face feature recognition model to respectively perform human face recognition on the RGB image and the IR image, extracting a human face RGB image and a human face IR image in the image by utilizing a camera calibration algorithm and a depth algorithm, and performing living body detection on the human face RGB image and the human face IR image by adopting a living body detection algorithm;
the encryption chip (3) is used for encrypting the living body detection result;
a VCSEL laser transmitter (4) for transmitting infrared light for reception by the RGB-IR camera (1);
and the USB interface (5) is used for electrically and communicatively connecting the RGB-IR camera (1), the processing module (2), the encryption chip (3) and the VCSEL laser emitter (4) with other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243461.3A CN112418021A (en) | 2020-11-10 | 2020-11-10 | Method and device for realizing security module of single RGB-IR camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243461.3A CN112418021A (en) | 2020-11-10 | 2020-11-10 | Method and device for realizing security module of single RGB-IR camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112418021A true CN112418021A (en) | 2021-02-26 |
Family
ID=74780910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011243461.3A Pending CN112418021A (en) | 2020-11-10 | 2020-11-10 | Method and device for realizing security module of single RGB-IR camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112418021A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155592A (en) * | 2021-12-21 | 2022-03-08 | 清华大学苏州汽车研究院（吴江） | Multi-source fusion visual perception cabin system |
| CN115623291A (en) * | 2022-08-12 | 2023-01-17 | 深圳市新良田科技股份有限公司 | Binocular camera module, service system and face verification method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282644A (en) * | 2018-02-14 | 2018-07-13 | 北京飞识科技有限公司 | A kind of single camera imaging method and device |
| US20180307928A1 (en) * | 2016-04-21 | 2018-10-25 | Tencent Technology (Shenzhen) Company Limited | Living face verification method and device |
| CN108921041A (en) * | 2018-06-06 | 2018-11-30 | 深圳神目信息技术有限公司 | A kind of biopsy method and device based on RGB and IR binocular camera |
| CN111401877A (en) * | 2019-12-18 | 2020-07-10 | 中国银联股份有限公司 | Face brushing equipment, face brushing payment system and face brushing payment method |
-
2020
- 2020-11-10 CN CN202011243461.3A patent/CN112418021A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180307928A1 (en) * | 2016-04-21 | 2018-10-25 | Tencent Technology (Shenzhen) Company Limited | Living face verification method and device |
| CN108282644A (en) * | 2018-02-14 | 2018-07-13 | 北京飞识科技有限公司 | A kind of single camera imaging method and device |
| CN108921041A (en) * | 2018-06-06 | 2018-11-30 | 深圳神目信息技术有限公司 | A kind of biopsy method and device based on RGB and IR binocular camera |
| CN111401877A (en) * | 2019-12-18 | 2020-07-10 | 中国银联股份有限公司 | Face brushing equipment, face brushing payment system and face brushing payment method |
Non-Patent Citations (1)
| Title |
|---|
| 邓茜文 等: "基于近红外与可见光双目视觉的活体人脸检测方法", 《计算机应用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155592A (en) * | 2021-12-21 | 2022-03-08 | 清华大学苏州汽车研究院（吴江） | Multi-source fusion visual perception cabin system |
| CN115623291A (en) * | 2022-08-12 | 2023-01-17 | 深圳市新良田科技股份有限公司 | Binocular camera module, service system and face verification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020151580A1 (en) | Screen control and voice control method and electronic device | |
| CN112418021A (en) | Method and device for realizing security module of single RGB-IR camera | |
| WO2017049922A1 (en) | Image information collection apparatus, image collection method, and application thereof | |
| EP2197334B1 (en) | Producing an image | |
| WO2017049923A1 (en) | Multi-function mobile image processing apparatus, processing method, and application | |
| US9679177B2 (en) | Barcode reader and accessory for the barcode reader | |
| US20160379028A1 (en) | Barcode reader and accessory for the barcode reader | |
| US20220092591A1 (en) | Secure wireless audio and speech at a transaction terminal | |
| CN108763895A (en) | Image processing method and device, electronic equipment, storage medium | |
| WO2022135143A1 (en) | Device network distribution method, and mobile terminal and storage medium | |
| EP4156177A1 (en) | Voice wake-up method, electronic device, wearable device, and system | |
| CN209463135U (en) | The intelligent monitoring and controlling device and monitoring system of two dimensional code livestock tag | |
| CN111568345B (en) | Signal conversion device suitable for electronic endoscope, electronic endoscope and system | |
| CN114565993B (en) | Intelligent lock system based on face recognition and cat eye | |
| CN210516240U (en) | Desktop type Internet of things health management system and robot applied by same | |
| CN210721506U (en) | Dynamic face recognition terminal based on 3D camera | |
| US10255470B2 (en) | Barcode reader and accessory for the barcode reader | |
| CN209821700U (en) | Wearable equipment and identity authentication system | |
| CN218729066U (en) | Barcode authentication terminal based on Wiegand protocol | |
| CN101727651A (en) | Method for realizing disposable medicinal products and control system | |
| CN112151151B (en) | Intelligent glasses | |
| CN103905873A (en) | Television remote controller based on mouth shape identification technology | |
| WO2018066446A1 (en) | Electronic device and method for control of lane state of electronic device | |
| EP4336404A1 (en) | Face image display method, readable storage medium, program product, and electronic device | |
| RU2788812C2 (en) | Endoscopic video system and the method for its operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210226 |
|
| WD01 | Invention patent application deemed withdrawn after publication |