Payment Terminal Camera Layout for Peeping Detection
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Solution Overview
Problem
The integration of both a camera for code payment and a camera for peeping detection in a payment terminal complicates the miniaturization of the device.
Innovation Solution
A payment terminal equipped with a camera that captures images for both payment and peeping detection, utilizing a processor to determine the presence of a second person and estimate their relative positional relation to the user, thereby identifying potential peepers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If both a camera for code payment and a camera for peeping detection are installed in the payment terminal, then security against peeping is improved, but device size increases
Solution Approach 1:
The patent applies multi-functionality by enabling a single camera to perform both code payment capture and peeping detection. The camera captures images during payment operations, and the processor analyzes these same images to detect the presence and orientation of other persons, eliminating the need for a separate peeping detection camera.
Solution Approach 2:
The patent merges the functions of code payment capture and peeping detection into a single camera system. The captured images serve dual purposes: processing payment codes and analyzing surrounding environment for security, thereby reducing the total number of components and device size.
2Measurement precision
If a separate camera for peeping detection is added to the payment terminal, then peeping detection accuracy is improved, but device complexity increases
Solution Approach 1:
The processor performs multiple functions by analyzing captured images for both payment code recognition and peeping detection. The same image data is processed to identify payment information and detect the presence, position, and orientation of other persons, reducing system complexity.
Solution Approach 2:
The system uses its own captured payment images to perform peeping detection without requiring external sensors or additional detection mechanisms. The processor leverages the existing image capture function to simultaneously monitor for peeping attempts.
Data Source
AI summary
A payment terminal includes a first processor, a camera, a second processor and a touch panel. When a first payment method is designated, the first processor executes the payment process requiring the input of the personal identification number, displays the input screen of the personal identification number on the touch panel, and stops receiving the input of the personal identification number upon receiving a peeping notification. When the first payment method is designated, the second processor determines whether a first person using the payment terminal and a second person other than the first person are captured in the captured image, estimates a relative positional relation between the first and second persons, determines whether the second person is a peeper based on the relative positional relation, and executes the peeping notification to the first processor when the second person is the peeper.


