Due to the sensitivity of bank business outlets as financial units in terms of security, their monitoring requirements have different characteristics from conventional applications. For this reason, the Ministry of Public Security issued a new "Risk Level and Protection Level of Banking Places" on September 22, 2004. Regulations" (GA 38-2004) industry standards, which specifically require that the facial features of customers can be clearly displayed and recorded.
Bank teller monitoring is to implement one-to-one real-time video recording of counter salespersons who are in business, and record every business process between customers and counter salespersons. The focus is to record and supervise the work process of counter salespersons. In the one-to-one real-time video recording of teller monitoring, the work scope of the counter salesperson occupies most of the image, and the customer's physical characteristics are very small in the image, and it is impossible to have clear facial features; in addition, the current mainstream digital surveillance system All of the video compression algorithms use lossy compression methods. After the original video stream passes through the CODEC (codec), there will be a certain loss. If the facial features on the original image are small, you will find that it is very It's blurry, and it's hard to see the facial features of people.
In addition, in order for the bank to display the number of the banknote counter to the customers who handle the business, there is often an external electronic display screen of the banknote counter on the counter, which simultaneously displays the number of banknote counters facing the customer. However, the existing monitoring system cannot record the banknote counting count on the electronic display of the banknote counter. Once a transaction dispute occurs, the bank can only play back the video at the time frame by frame, and check the manual cash counting actions of the teller to count. The number of banknotes is also one of the problems that banks want to solve.
Yinchen Technology’s ISWatchClear2021 facial feature video box is tailor-made for banks to improve the protection level of existing surveillance systems in accordance with the requirements of industry standards to address the above-mentioned problems. The user can directly connect the device to the current monitoring system without any modification to the original monitoring system, avoiding duplication of investment, and meeting the requirements of the Ministry of Public Security for bank monitoring to clearly record and display facial features, and at the same time It solves the problem of synchronous storage of the number of banknotes during transactions, and is suitable for all analog and digital monitoring systems of the bank.
1. Close-up of human face, to solve the problem that facial features cannot be clearly displayed and recorded.
Install a pinhole camera at the corresponding position of the counter facing the customer, or it can be installed concealedly. The banknote counter used by the bank counter salesperson has an external display to facilitate the customer to check the number of banknotes. We can install the pinhole camera on the counter. In this display, the device connection is shown in Figure 1. Connect the pinhole camera video to the input B of the face feature video box according to the figure, disconnect the video cable of the corresponding counter surveillance camera, and connect it to the face feature video box The input terminal A of the face feature video box is connected with the video line of the original camera, and the two channels of video are superimposed and sent to the monitoring host for recording and storage, without the need to increase the number of channels and storage space of the monitoring host.
When the customer handles the business, the face feature video box will perform face detection processing on the video signal on the front of the customer, and superimpose the detected face photo on the teller channel video. The size of the face and the superimposed position can be passed through the product DIP switch on the to set.
At the same time, this video box can also be used to realize close-up recording of customer faces in self-service areas, ATM machines and other business modes.
2. The number of banknotes is superimposed to solve the problem that the banknote counter cannot record the number of points
The banknote counter used by the bank has a digital output interface. The facial feature video box cleverly uses this principle. It uses an RS232 interface to connect to the digital output port of the banknote counter. By decoding the communication protocol of the banknote counter, you can One-to-one real-time video and audio recording will simultaneously superimpose the banknote count of the banknote counter when the transaction occurs on the image. The lower right corner of Figure 2 shows the superimposed banknote count.
3. Video overlay, video picture-in-picture function.
The face close-up function is to superimpose the face photos detected from the front video on the teller channel video. This function uses picture-in-picture format to display the activity video of one channel on the video of another channel. The video of the front camera of the customer can be superimposed on the video of the teller channel, or the video of any gate or aisle can be superimposed on the lobby scene monitoring. On the image, you can also superimpose the video of the cash dispensing camera in the ATM machine monitoring on its front main image. Selecting this function can reduce the number of channels of the monitoring host and save a lot of storage space. The size and location of the superimposed video can also be passed DIP switch on the product to set.
4. Illumination compensation, to make up for the problem of dark images caused by insufficient light or backlight
In some places of bank branches, due to the restricted location of the camera installation, strong backlighting caused by direct sunlight cannot be avoided, or insufficient light caused by the limited site conditions, etc., the facial features in the surveillance image will be black and cannot be effective. Recognize customer's body and facial features, Yinchen facial features video box provides unique illumination compensation function, so that the image can get the best contrast, and effectively solve the problem of dark image caused by insufficient light and backlight, according to the use environment It can be set to perform illumination compensation for two videos at the same time, or for any one of them.
3. System design and installationThe face feature video box uses an embedded independent hardware module, which can be directly connected to any video signal channel of the existing monitoring system.
Because of its compact structure, flexible use, and easy installation, the face feature video box can be installed in different positions in the monitoring system according to the requirements of use when used on site; when used as a face close-up function, the face feature video box can be placed directly On the desk of the counter clerk, it is convenient for the output terminal of the front camera, the money counter and the face features.
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