Face recognition attendance machine is a new type of storage attendance machine. It only needs to collect the face image of employees and create files in advance. When the employees go to and from work in the recognition area of ​​the face recognition attendance machine, the attendance machine will quickly record Attendance status and keep records. First, the introduction of face recognition attendance machine Face recognition attendance machine is the use of today's high-tech technology in the field of international science and technology - face recognition technology (a fusion of computer image processing technology and biostatistics principles in one), the use of computer image processing technology from the video to extract the image features, use The principle of biostatistics is analyzed and a facial feature template is established. When the registered person walks past the face recognition machine, it will have a voice prompt 'Hello' or the person's name indicates that the attendance has been successful. Moreover, it also has an image update function, if the image being taken as the first face, stored as the second face, if the first face image is consistent with the second face image, face recognition attendance machine The first face image will be automatically saved to update the second face image. The method can keep the user's facial image updated, reduce the impact of face shape change on the recognition, and increase the recognition accuracy. Second, face recognition attendance machine work process The face recognition attendance machine is mainly used for the attendance statistics of the employees of the company. The employee needs to collect the facial photos of the employees through the camera when signing in. The facial recognition algorithm then acquires the feature values ​​from the collected photos and stores them in the database in advance. The analysis and comparison of the characteristic values ​​of the employee's face photo, and the identification of the employee's name after successful recognition, the attendance is successful. Third, face recognition attendance machine features 1. The method of locating the key areas of the human face has high accuracy and good security. 2. The general use of dual cameras is a quasi-three-dimensional face recognition technology. The recognition performance greatly exceeds two-dimensional face recognition, and the complexity of the algorithm is much lower than that of three-dimensional face recognition. 3. The recognition performance is not affected by the ambient light and the reliability is good. 4. You can upload user name list through U disk, download access attendance records and photos. 5. The device status can be set via the TCP/IP network, as well as uploading and downloading information; the network communication data is encrypted. 6. Naturalness, the same biometrics used by individuals to identify individuals. 7. Completely non-contact, to avoid bacterial infection, more health and hygiene. 8. Voice prompts, real human vocal prompt facial image verification is successful. 9. Can be used independently, without the need to connect a computer to complete personnel registration, face attendance, storage records and other functions. Fourth, the use of face recognition attendance machine 'MENU' -> administrator verification, enter the system -> registered users -> enter 'work number' OK -> face image collection, press OK to save. If the device is used for the first time, the administrator has not set it. Press MENU to directly enter the configuration manager module. Device connection: After installing the software, click 'Device Management' -> 'Add' -> enter 'device number', 'name', 'device type', 'IP address' -> press 'confirm'. Then click on 'Employee Management' -> 'Import' -> 'Import from device' -> 'Query all employee information in the device' to receive employee information from the device -> 'Save all'. Fifth, the use of face recognition attendance machine precautions 1, your portrait must be in the scope of the frame; sampling, as long as the face in the mirror range, the line of sight is parallel to the center of the mirror or the bow can be. 2. Please keep the face in front of the mirror at a distance of about 30-80cm from the attendance machine, and keep an eye on the center of the mirror. Slowly move the face forward and backward, and maintain the natural look when sampling. 3. Keep the sampling environment and the attendance environment as consistent as possible during sampling. It is recommended that you sample the attendance location. 4, please keep your face natural, avoid eyes closed, strabismus, hair cover your eyes, do not wear glasses when sampling and attendance, this can facilitate faster attendance. 5. Do not use near sunlit windows. Sixth, the attendance machine performance comparison Face recognition attendance machine combines radio frequency, optical sensing technology and digital camera technology. When using fingerprint or proximity card to punch cards, it automatically captures the employee's image information and records it. The background management software can view and compare each The pen punches the person image recorded so as to effectively prevent the phenomenon of punching in attendance. It is precisely because of this characteristic that face recognition attendance machines have the features of fingerprint punching and checking punching, and the advantages of sensing attendance machines. Compared with fingerprint attendance machines, face recognition attendance machines have the following advantages: Because the fingerprint attendance machine has high demands on the environment and the attendance personnel's skin, when the air is dry, the skin is dirty, and the skin is unrecognizable, and the reading head is easily worn. These reasons make the attendance life short and high maintenance cost. The face recognition attendance machine is to identify the person's avatar information, and the recognition is not affected by the environment and personnel factors. Fingerprint attendance machines need to be pre-stored in the employee's fingerprint information database before they can perform attendance checking. When personnel change, they also need to update the fingerprint information database frequently. The operation is very troublesome. The face recognition attendance machine does not need to input any information and is ready to use. Face recognition attendance machine adopts 'U disk' to collect data for face recognition attendance machine, so as to realize free wiring. Because of the radio frequency sensing recognition, which does not require real-time comparison at the same time, the attendance speed is even faster. Since the fingerprint attendance machine needs to be pre-stored in the employee's fingerprint information database, and the fingerprint information involves personal privacy, the enterprise has no right to forcibly enter employee's fingerprint information. The face recognition attendance machine built-in camera can take pictures of the card-wielding person while swiping the card, so that the card-setter can do nothing. The speed is fast, and the swiping and taking a picture is completed within one second. Using large capacity memory. That is, shooting. Does not involve personal privacy. Face recognition attendance machine adopts built-in photo camera device and chip to make its performance better. Although the price is higher than that of fingerprint attendance machine, its performance cannot be ignored. Seventh, attendance machine classification At present, the mainstream of attendance equipment in the market is divided into the following categories: 1: Fingerprint Attendance: This is the most common method that we use at present, a bit is that the recognition effect is good, speed is fast, but there are situations that some personnel cannot use. 2: ID card attendance: At present, there are still a lot of customers are using ID cards for attendance, the benefits are very fast, and can be formed in the company's card mode, but there is the phenomenon of employees on behalf of the card. 3: Paper Card Clock Attendance: The paper card clock is the most primitive device in the current attendance equipment industry. The advantage is that it is convenient for statistics and does not require a computer, but it exists in the expense of purchasing supplies for time cards. 4: face recognition attendance machine: At present, this device is only in the past two years before the country began to popularize the benefits of uniqueness of identity, but exists in the restrictions on the use of the environment, can not be in areas with high outdoor lighting and can not Outdoor use. 5: Iris recognition: At present, the equipment for iris recognition is mainly produced by manufacturers in Korea and the United States. Currently, there are fewer domestic producers of iris. The cost of such equipment is too high, and it is rarely used in locations with high non-safety levels. 6: finger vein identification: used to identify the veins of the human body, can completely eliminate false fingers, belonging to the living verification equipment, currently mainly produced by Japanese manufacturers, domestic production of individual manufacturers. However, the device recognition speed is slow and it is not suitable for large-scale crowd use. 7: Video attendance: smart RF (with MF1 card) and the perfect combination of camera technology, attendance machine built-in camera can swipe card readers at the same time to take pictures for archiving, so that on behalf of the punchers nothing.
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