Monitoring Device Preprocessing for Mask Video Display
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Solution Overview
Problem
Existing monitoring systems experience display delays when switching between original and mask processing videos due to the need for lengthy background image generation and lack of preprocessing initiation before user input, leading to a slow user experience, especially in applications beyond crime prevention and disaster management.
Innovation Solution
A monitoring device with a processor, memory, and controller that initiates preprocessing events such as background image generation and user authentication before user input, allowing immediate video display based on user purpose, and selectively outputs original or mask processing videos.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mask processing is performed after user input operation, then privacy protection is achieved, but display delay occurs and user experience deteriorates
Solution Approach 1:
The system performs mask processing in advance by generating a background image during a learning period before the user actually needs to view the video. When the user inputs their purpose, the mask processing image is already prepared or nearly prepared, eliminating display delay while maintaining privacy protection. The controller starts the mask processing according to a prescribed start event generated in advance of the use purpose input operation.
2Measurement precision
If background image generation is performed during learning period, then appropriate mask processing is achieved, but processing time increases and immediate display becomes difficult
Solution Approach 1:
The system performs background image generation and mask processing during a learning period in advance, before the user actually needs to view the video. This preliminary action ensures that when the user inputs their purpose, the processing is already complete or nearly complete, achieving both high-quality mask processing and immediate display capability.
Solution Approach 2:
The system dynamically adjusts the processing based on the user's purpose. When the user selects a purpose that requires mask processing, the controller determines whether to continue or end the mask processing based on the user purpose, optimizing resource usage while maintaining processing quality.
3Reliability
If mask processing is performed for all users, then privacy is protected, but processing load increases unnecessarily
Solution Approach 1:
The controller dynamically determines whether to perform mask processing based on the user's purpose. When the user selects a purpose that requires privacy protection, mask processing is performed. When the purpose does not require it, processing is ended or not started, optimizing resource usage while maintaining privacy protection where needed.
Data Source
AI summary
A monitoring device according to an embodiment of the present invention controls a moving image processor and a moving image outputter according to the use purpose of a user, and outputs one of an original video and a mask processing image. A controller causes the moving image processor to perform a prescribed preprocessing according to a prescribed start event generated in advance of a use purpose input operation which is performed by the user.