CN112465999A - Attendance checking equipment and attendance checking system based on face and finger vein fusion recognition - Google Patents
Attendance checking equipment and attendance checking system based on face and finger vein fusion recognition Download PDFInfo
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- CN112465999A CN112465999A CN202011585195.2A CN202011585195A CN112465999A CN 112465999 A CN112465999 A CN 112465999A CN 202011585195 A CN202011585195 A CN 202011585195A CN 112465999 A CN112465999 A CN 112465999A
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- 210000003462 vein Anatomy 0.000 title claims abstract description 103
- 230000004927 fusion Effects 0.000 title claims abstract description 27
- 230000036760 body temperature Effects 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 claims description 8
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
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- 230000000877 morphologic effect Effects 0.000 claims description 2
- 238000010606 normalization Methods 0.000 claims description 2
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- 238000000034 method Methods 0.000 abstract description 11
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- 230000036541 health Effects 0.000 abstract description 3
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- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- 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
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- 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
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
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- 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
- G06V40/14—Vascular patterns
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Abstract
The invention discloses attendance equipment based on face and finger vein fusion recognition. The method comprises the following steps: the image acquisition device is used for acquiring a face and finger vein image of a target user; the image recognition device is used for recognizing the corresponding identity information in the face and the finger vein image of the target user; the infrared temperature measuring device is used for detecting the body temperature of a target user; and the voice broadcasting device is used for broadcasting the basic information of the target user and the data processing and storage controller. The invention also provides an attendance system based on face and finger vein fusion recognition, which comprises: the system comprises a biological information acquisition system, a body temperature detection system, a data processing and storing system, a man-machine interaction system and a network communication system. The invention can effectively solve the problems of low recognition rate, poor environmental adaptability and the like caused by single biological characteristic recognition attendance, thereby improving the attendance efficiency and the attendance authenticity and providing health auxiliary monitoring.
Description
Technical Field
The invention relates to the technical field of attendance checking. More specifically, the invention relates to attendance equipment and an attendance system based on face and finger vein fusion recognition.
Background
The attendance checking mode mainly comprises the following development stages: the early attendance mode is paper attendance, the attendance time is checked in and confirmed by a person, a special person is required to be responsible for supervision, manual statistics is required in the later period, time and labor are wasted, and the efficiency is low. With the development of radio frequency technology, non-contact induction card attendance systems such as magnetic cards, IC cards, laser bar code cards and the like replace early paper attendance, and the non-contact induction card attendance mode generally has the defects of human-card separation, easy loss, easy replacement and swiping, high maintenance cost and the like. In recent years, biometric identification technology has been developed unprecedentedly, so that biometric identification technologies such as fingerprint identification, face identification, iris identification, finger vein identification and the like are widely applied to attendance systems. The attendance system only adopting the single biological characteristics as the identification technology has some limitations in aspects of characteristic acquisition, identification rate and the like, and can not meet all requirements in practical application. For example, when a finger of a person to be checked is stained with dirt and water, or the finger is injured, the identification of the fingerprint and the finger vein is affected; when the attendance checking person wears a mask or wears glasses, the recognition of the face and the iris can fail.
Aiming at the problems of low recognition rate, poor environmental adaptability and the like of a single biometric feature recognition attendance system, no effective solution is provided at present.
Disclosure of Invention
The invention mainly aims to provide attendance equipment and an attendance system based on face and finger vein fusion recognition, and aims to solve the problems of low recognition rate, poor environmental adaptability and the like caused by single biological feature recognition attendance.
In order to achieve the above object, according to one aspect of the present application, an attendance checking apparatus based on face and finger vein fusion recognition is provided.
Attendance equipment based on face and finger vein fusion discernment according to this application includes: the face image acquisition device is used for acquiring a face image of a target user; the finger vein image acquisition device is used for acquiring a finger vein image of a target user; the image recognition device is used for recognizing the identity information corresponding to the face image and the finger vein image of the target user; the body temperature detection device is used for detecting the body temperature of a target user; the voice prompt device is used for broadcasting the basic information after the attendance of the user is successful; and the data processing and storage controller is connected with the face image and finger vein image acquisition device, the image recognition device and the body temperature detection device and is used for processing and storing the image information acquired by the acquisition device and the user body temperature information acquired by the body temperature detection device.
In the invention, the face image acquisition device is used for acquiring a face color image of a target user.
In the invention, the finger vein image acquisition device is used for acquiring a finger vein image of a target user; furthermore, according to the width of a common finger of a human body, a groove with the length of 1.5-2.5 cm is reserved in the finger vein image acquisition device for fixing the position of the finger, so that the finger vein image can be conveniently acquired; further, the finger vein image acquisition device is provided with a sun shield for shielding the finger vein image from being influenced by an external light source in the acquisition process.
In the invention, the body temperature detection device is used for detecting the body temperature of a target user when the user is detected to approach.
In the invention, the voice prompt device is used for voice broadcasting the target user identity information and the body temperature information obtained after recognition.
The invention further comprises a high-definition capacitive touch display screen which is used for displaying the identified target user identity information and the body temperature information.
In order to achieve the above object, according to another aspect of the present application, an attendance system based on face and finger vein fusion recognition is provided.
The attendance system based on face and finger vein fusion recognition comprises: the system comprises a biological information acquisition system, a body temperature detection system, a data processing and storing system, a man-machine interaction system and a network communication system.
In this application embodiment, adopt the attendance mode based on face and finger vein fusion discernment, through face image acquisition device, finger vein image acquisition device, image recognition device, body temperature detection device and other devices combine together, not only can reach right user's face corresponds identification purpose of identity information with the finger vein image, but also can reach right user's body temperature detects's purpose to can effectively solve because the low, poor scheduling problem of environmental adaptability of the rate of recognition that single biological feature discernment attendance leads to, and then can realize right user's health condition detects and record.
The invention has the advantages that:
(1) the human face and the finger veins are fused, namely, the body surface biological characteristic information and the body biological characteristic information are fused, so that the recognition speed and the attendance efficiency are improved, the attendance authenticity is ensured, and the attendance counterfeit condition is effectively prevented;
(2) non-contact body temperature detection is adopted, and the system is combined with an attendance system, so that the body temperature information of a user is effectively recorded, and health auxiliary monitoring is provided;
(3) the finger vein collection device is provided with the groove and the shading plate, so that the user experience is improved, and meanwhile, the effectiveness of finger vein image collection is guaranteed.
Drawings
Fig. 1 is an overall structure diagram of an attendance system according to a first embodiment of the present invention;
fig. 2 is an appearance diagram of attendance checking equipment provided by a second embodiment of the invention;
fig. 3 is a flowchart of a process of acquiring a face image and a finger vein image according to a third embodiment of the present invention;
fig. 4 is a flowchart illustrating a matching process between a face image and a finger vein image according to a fourth embodiment of the present invention;
fig. 5 is a schematic diagram of a human face and finger vein fusion recognition method provided by the embodiment of the invention.
Reference numerals
201. A high-definition capacitive touch display screen of the attendance checking equipment; 202. a human face image acquisition camera; 203. an infrared temperature measuring sensor; 204. a finger vein image acquisition shading plate; 205. a finger vein image acquisition device; 206. attendance equipment speaker.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description of the specific embodiments of the present invention with reference to the drawings in the embodiments of the present invention will clearly and completely describe the specific technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
As shown in fig. 1, the present invention provides an attendance system based on face and finger vein fusion recognition, including: the biological information acquisition system is used for acquiring a face image and a finger vein image of a target user; the body temperature detection system is used for detecting body temperature information of a target user; the data processing and storing system is used for processing and storing the acquired image information and the acquired body temperature information; the matching identification system is used for matching and identifying the face image and the finger vein image information of the target user; the man-machine interaction system is used for displaying and broadcasting basic information of the target user in a language; and the network communication system is used for networking communication.
The target user of the embodiment specifically refers to an employee to be checked in.
Further, the biological acquisition system in the embodiment includes face image acquisition, and adopts a distortion-free high-definition camera; finger vein image acquisition adopts undistorted infrared high definition digtal camera. The finger of the target user stretches into the acquisition device, and after the finger touches the touch switch, the infrared camera can be started to acquire finger vein images. The target user is close to the attendance machine, and can be firstly sensed by the infrared temperature measuring sensor, and then the face recognition camera can be started. When the touch switch is not touched or the infrared temperature sensor does not sense a target user, the undistorted high-definition camera and the undistorted infrared high-definition camera are both in a standby state.
Furthermore, the body temperature detection system in this embodiment adopts an infrared temperature measurement sensor, performs infrared body temperature detection while acquiring and identifying a face image of a target user, and transmits detected body temperature information to the data processing and storage system.
Further, the data processing and storage system in this embodiment is used for extracting image features from the acquired face image and finger vein image through digital image processing and convolutional neural network, if the user uses the system for the first time, the extracted features need to form a registration template, so that the registration template is matched with the user when attendance is facilitated, and the data processing and storage system is further used for storing the identity information of the user, including name, gender, age, position, department, job number and body temperature information when attendance is facilitated, and a data report can be formed when later needs are facilitated.
Further, the matching identification system in this embodiment is configured to perform template matching on the image information acquired by the undistorted high-definition camera and the undistorted infrared high-definition camera in this embodiment with a registration template in the data processing and storage system, and if the matching is successful, the attendance is successful.
Further, the human-computer interaction system in this embodiment displays the basic information of the user through a high-definition capacitive touch display screen, including: name, sex, department, job number, body temperature, the basic information can be added and deleted according to the needs. Whether attendance is successful or not is reported through a loudspeaker in a voice mode.
Further, the network communication system described in this embodiment supports connection of wireless transmission networks such as a WiFi wireless network, bluetooth, and ZigBee.
Example two
As shown in fig. 2, the invention provides attendance equipment based on human face and finger vein fusion recognition, which comprises a high-definition capacitive touch display screen 201, a human face image acquisition camera 202, an infrared temperature measurement sensor 203, a finger vein image acquisition light shield 204, a finger vein image acquisition device 205 and an attendance equipment loudspeaker 206.
Further, the finger vein image capturing light shielding plate 204 in the present embodiment is used for shielding the target from being affected by an external light source when capturing the vein of the mobile phone.
Further, the finger vein image acquisition device 205 in this embodiment reserves a groove of 1.5-2.5 cm for fixing the finger position, and it is inaccurate to avoid finger vein image acquisition caused by finger rotation offset.
EXAMPLE III
Fig. 3 shows a flow chart of the acquisition of the face image and the finger vein image according to the present invention. The acquisition process comprises face image acquisition and finger vein image acquisition, the acquired face image and finger vein image are subjected to feature extraction, and only the image with sufficient features can form a registration template. The acquisition process of the present application is described below with reference to fig. 2:
1. the target user brings the face close to the infrared temperature measurement sensor 203 to detect the body temperature; acquiring a face image through the face image acquisition camera 202; a finger is inserted into the finger vein image acquisition device 205 and touches the touch switch to acquire a finger vein image;
2. the collected image information is processed by a data processing and storing system to obtain image characteristic information, the characteristic information can fully form a registration template, and relevant information is stored, so that the characteristic information is matched with the registration template when attendance checking is facilitated;
3. if the feature information is not clear or insufficient, the high-definition capacitive touch display screen 201 of the attendance checking equipment prompts the implementation of feature extraction, and image information collection needs to be carried out again;
4. and after the target user finishes the process, the obtained body temperature data, image data and basic identity information are stored in a data processing and storing system.
Example four
Fig. 4 is a flow chart of matching the face image and the finger vein image according to the present invention. In the matching process, a face image and a finger vein image are collected firstly, and body temperature information is recorded; then, respectively matching the collected face image and finger vein image with a registration template to respectively obtain a matching score; and adding the matching score of the face image and the matching score of the finger vein image, if the total matching score is more than 1.5, judging that the matching is successful, marking the matching as attendance, and storing the information. The matching process of the present application is described below with reference to fig. 2:
1. the target user brings the face close to the infrared temperature measurement sensor 203 to detect the body temperature; acquiring a face image through the face image acquisition camera 202; a finger is inserted into the finger vein image acquisition device 205 and touches the touch switch to acquire a finger vein image;
2. respectively matching the characteristic information of the face image and the finger vein image with corresponding registration templates to obtain a face image matching score and a finger vein image matching score;
3. adding the matching scores, when the total matching score is larger than 1.5, judging that the matching is successful, marking the matching as attendance, and when the total matching score is smaller than 1.5, returning to the first step again for image acquisition;
4. matching is successful, attendance successful attendance is displayed in the attendance device high-definition capacitive touch display screen 201, and the attendance device loudspeaker 206 can perform voice broadcast and successfully attendance.
Fig. 5 is a schematic diagram of a human face and finger vein fusion recognition method provided by the present invention, which specifically includes the following steps:
step S501, the biological acquisition device comprises a face image acquisition device, and a plurality of original face color images are acquired; the finger vein image acquisition device is used for acquiring a plurality of finger vein gray-scale images;
step S502, respectively judging the quality of the acquired face color image and the finger vein gray scale image, wherein at least one of the definition, the angle, the contrast and the effective area of the face image and the finger vein image is respectively judged;
step S503, extracting image characteristics by performing dimension reduction processing on RGB three channels of the original face color image under the condition that the acquired image information meets the preset condition; extracting a clear finger vein bone characteristic diagram after linear normalization, curvature detection and morphological filtering processing are carried out on the finger vein gray level diagram;
step S504, the human face image characteristic and the clear finger vein and vein bone characteristic graph are used as registration templates;
and step S505, judging whether the image characteristics of the target user to be checked are matched with the image characteristic information of the registration template.
It should be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and the description thereof is in more detail, but not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made in the above-described embodiments without departing from the spirit and scope of the invention, and it is intended to cover in the appended claims all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (11)
1. An attendance checking device based on face and finger vein fusion recognition is characterized by comprising a face image acquisition device, a face image acquisition device and a finger vein fusion recognition device, wherein the face image acquisition device is used for acquiring a face image of a target user; the finger vein image acquisition device is used for acquiring a finger vein image of a target user; the image recognition device is used for recognizing the identity information corresponding to the face image and the finger vein image of the target user; the body temperature detection device is used for detecting the body temperature of a target user; the voice prompt device is used for broadcasting the basic information after the attendance of the user is successful; and the data processing and storage controller is connected with the face image and finger vein image acquisition device, the image recognition device and the body temperature detection device and is used for processing and storing the image information acquired by the acquisition device and the user body temperature information acquired by the body temperature detection device.
2. The attendance checking equipment with the face and the finger vein fusion recognition function as claimed in claim 1, wherein the face image acquisition device is a distortion-free high-definition camera and is used for acquiring the face image of the target user.
3. The attendance checking equipment with the human face and the finger vein fusion recognition function as claimed in claim 1, wherein the finger vein image acquisition device is an undistorted infrared camera and is used for acquiring a finger vein image of a target user.
4. The attendance checking equipment with the human face and the finger vein fusion recognition function as claimed in claim 1, wherein a touch switch is arranged in the finger vein image acquisition device, and the attendance checking equipment is in a standby state when the touch switch is not touched.
5. The attendance checking equipment for the face and finger vein fusion recognition according to claim 1, wherein the finger vein image acquisition device is provided with a groove of 1.5-2.5 cm for fixing the position of a finger and avoiding inaccurate finger vein image acquisition caused by finger rotation deviation.
6. The attendance checking equipment for the face and finger vein fusion recognition according to claim 1, wherein a light shielding plate is arranged outside the finger vein image acquisition device and used for shielding a target from being influenced by an external light source when the target is used for acquiring the vein of the mobile phone.
7. The attendance checking equipment with the human face and the finger vein fusion recognition function as claimed in claim 1, wherein the body temperature detection device is an infrared temperature measurement sensor and is used for detecting the body temperature when a target user approaches.
8. The attendance checking equipment with the face and the finger vein fusion recognition function as claimed in claim 1, wherein the voice prompt device is a loudspeaker and is used for voice broadcasting attendance checking live conditions.
9. The attendance checking equipment for face and finger vein fusion recognition according to claim 1, further comprising one of a WiFi wireless network module, a wireless Bluetooth module and a ZigBee wireless transmission module.
10. The utility model provides an attendance system based on face and finger vein fusion discernment which characterized in that includes the step:
acquiring a plurality of original human face color images through a biological acquisition device comprising a face image acquisition device; the finger vein image acquisition device is used for acquiring a plurality of finger vein gray-scale images;
respectively judging the quality of the acquired face color image and the finger vein gray scale image, wherein at least one of the definition, the angle, the contrast and the effective area of the face image and the finger vein image is respectively judged;
under the condition that the acquired image information meets the preset condition, extracting image characteristics after performing dimensionality reduction on RGB three channels of the original face color image; extracting a clear finger vein bone characteristic diagram after linear normalization, curvature detection and morphological filtering processing are carried out on the finger vein gray level diagram;
using the facial image characteristics and the clear finger vein and vein bone characteristic graph as registration templates;
and judging whether the image characteristics of the target user to be checked are matched with the image characteristic information of the registration template.
11. The utility model provides an attendance system based on face and finger vein fusion discernment which characterized in that includes: the attendance checking equipment of any one of claims 1 to 9, further comprising a biological information acquisition system, a body temperature detection system, a data processing and storing system, a man-machine interaction system and a network communication system, wherein,
the biological information acquisition system comprises human face image acquisition and finger vein image acquisition; the body temperature detection system is used for detecting the body temperature of a target user; the data processing and storing system comprises biological image information processing, facial image and finger vein image feature extraction, body temperature information storage and target user basic identity information storage; the human-computer interaction system comprises: basic information and body temperature data of a target user are displayed through a screen, and attendance checking live conditions are broadcasted through a loudspeaker.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120376A (en) * | 2021-11-18 | 2022-03-01 | 黑龙江大学 | Multi-mode image acquisition device and system |
| CN115830686A (en) * | 2022-12-13 | 2023-03-21 | 云指智能科技(广州)有限公司 | Biological recognition method, system, device and storage medium based on feature fusion |
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