Image Processing System for Uniform Subject Size in Teleconferences
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Solution Overview
Problem
In teleconference systems, displaying multiple images from different locations on a single screen results in uneven subject sizes, making it difficult for participants to view each other's faces clearly due to varying camera angles and distances.
Innovation Solution
An image processing system calculates a scale ratio for each image to ensure uniform subject sizes by determining the average subject size across images and adjusting their scale accordingly, allowing the teleconference service system to display them at a consistent size on terminal devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple images from different locations are displayed simultaneously on a single screen, then the teleconference service can be provided, but the subject size in each image becomes uneven making it difficult to view faces clearly
Solution Approach 1:
The system calculates a scale ratio for each image based on the subject size detected in that image, and then adjusts the display size of each image by multiplying its original size by the corresponding scale ratio. This parameter change ensures that all subjects are displayed at approximately the same size across different locations, resolving the contradiction between providing teleconference service and maintaining subject size uniformity
2Ease of manufacture
If images are displayed at their original sizes, then no processing is needed, but subjects appear at different sizes due to varying camera angles and distances
Solution Approach 1:
The system performs preliminary processing by detecting the subject size in each image before display, calculating the appropriate scale ratio, and adjusting the image size in advance. This preliminary action ensures that when images are displayed, all subjects appear at approximately the same size, eliminating the need for complex real-time adjustments while maintaining subject size consistency
Data Source
AI summary
A non-transitory recording medium that stores a plurality of program codes. When the program code is executed by one or more processors, there is a calculating of a scale ratio of each image transmitted from each site so that a subject size in each image is approximately the same. Furthermore, there is a displaying of each image that has been scaled by a teleconference service system at the scale ratio at a terminal at each site.