Vehicle Camera Animation Overlay for Frame Reliability
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Solution Overview
Problem
In vehicle-mounted moving image communication systems, occupants cannot determine if the view outside the vehicle is changing due to low frame rates, leading to uncertainty about the reliability of the displayed video.
Innovation Solution
A system that includes a camera, signal processing, and wireless modules to transmit and receive moving images, with animation images superimposed on frames to indicate frame advancement, allowing occupants to assess the reliability of the displayed video by observing changes in animation images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the frame rate of the moving image is reduced, then power consumption and data transmission load are decreased, but the occupant cannot determine whether the view outside is changing or if frames are advancing
Solution Approach 1:
An animation image is introduced as an intermediary element to convey frame advancement information. The animation image changes in synchronization with frame advancement and is superimposed on the moving image frames, serving as a visual mediator that indicates whether frames are advancing without requiring increased frame rate or additional data transmission.
2Loss of energy
If the frame rate is low, then power consumption is reduced, but the occupant cannot understand the situation outside the vehicle reliably
Solution Approach 1:
The animation image acts as a reliability indicator, providing visual feedback about frame advancement status. This allows the occupant to assess whether the displayed video accurately reflects the current situation outside the vehicle, even when the frame rate is low and power consumption is reduced.
Solution Approach 2:
The animation image changes its display state (e.g., presence, position, or appearance) in synchronization with frame advancement. This visual change provides intuitive feedback to the occupant about the reliability and currency of the displayed video information.
3Loss of information
If animation images are superimposed on frames, then frame advancement becomes visible to occupants, but data transmission load increases
Solution Approach 1:
The animation image is a simple, lightweight graphical element that requires minimal data to transmit. It is regenerated and transmitted with each frame, but its small size and simple structure mean the additional data load is negligible compared to the main video content, while effectively conveying frame advancement information.
Data Source
AI summary
A vehicle-mounted moving image transmitting device includes: a camera outputting a video signal corresponding to a video of a subject existing outside a vehicle; a signal processor superimposing animation images on multiple frames, which form a moving image corresponding to the video signal outputted from the camera, frame by frame, while changing the animation images in synchronization with frame advancement; and a wireless communication interface wirelessly transmitting the moving image formed of the multiple frames, which are superimposed with the animation images by the signal processor, at a predetermined frame rate to a moving image display device. The moving image display device receives the moving image and displays the received moving image to an occupant of the vehicle.