Mirror-Display Appearance Capture for Realistic Image Comparison
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Solution Overview
Problem
Conventional mirrors and camera-based systems fail to convincingly replicate the experience of looking into a mirror, leading to inefficient shopping experiences and other applications where a realistic self-appearance comparison is needed, as they differ in perspective, size, and angle of view.
Innovation Solution
An interactive imaging and display system that includes a mirror-display device capable of operating in both mirror and display modes, using a camera to capture and display images in a way that mimics a mirror's perspective, size, and angle of view, with features like adaptive field of view, image stitching, and real-time image transformation to maintain a consistent user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a camera-based system is used to display user appearance, then real-time feedback and interactive features are improved, but the realism and mirror-like experience deteriorate due to differences in perspective, size, and angle of view
Solution Approach 1:
The system dynamically adjusts the field of view and image transformation parameters based on the user's distance from the display device. As the user moves closer or farther away, the system modifies the captured image's perspective and scale in real-time to maintain a consistent mirror-like appearance, resolving the contradiction between real-time feedback and visual realism
Solution Approach 2:
The system changes key parameters including image scaling factor, perspective transformation, and field of view adjustment based on detected user distance. By dynamically modifying these parameters, the system maintains authentic mirror characteristics while providing real-time interactive feedback
2Area of stationary object
If the field of view is expanded to capture more user appearance, then complete visibility is improved, but distortion and perspective warping worsen
Solution Approach 1:
The system dynamically adjusts the field of view parameters based on the user's distance from the display. When the user is farther away, a wider field of view is used to capture the complete appearance. When closer, the field of view is narrowed to maintain image quality and minimize distortion, thus resolving the contradiction between visibility area and image precision
3Reliability
If image transformation is applied to maintain consistent size and angle of view, then mirror-like experience is improved, but processing complexity and computational requirements worsen
Solution Approach 1:
The system replaces complex optical-mechanical mirror systems with computational image transformation methods. By using software-based perspective correction, scaling, and field of view adjustment algorithms, the system achieves mirror-like appearance while reducing mechanical complexity and enabling flexible real-time adaptation
4Reliability
If distance-based adaptation is implemented to maintain authentic mirror characteristics, then visual realism is improved, but system complexity and control requirements worsen
Solution Approach 1:
The system automatically detects user distance and independently adjusts image transformation parameters without requiring manual intervention. The distance adaptation control system self-regulates by continuously monitoring user position and applying appropriate scaling and perspective corrections, thus maintaining authentic mirror characteristics while managing complexity through automation
Data Source
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AI summary
Systems, devices and methods enabling appearance comparison. The system includes at least one interactive imaging and display station. The station includes a mirror-display device capable of selectably operating in either or both a mirror mode or a display mode; an imaging device to capture one or more appearances appearing in a field of view in front of the mirror- display device; and/or an image control unit to select the mode of operation of the mirror-display device according to a user command.