Mobile Terminal Video Call Image Processing Preview
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Solution Overview
Problem
Conventional video telephony methods in mobile communication terminals only allow for basic image transmission without advanced image processing or user interaction features, limiting the multimedia experience.
Innovation Solution
A mobile communication terminal equipped with a wireless transceiver, display, input device, and controller that enables image processing and preview functions during video calls, allowing users to apply filters and capture still images from video calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional video telephony method is used, then basic image transmission function is provided, but image processing capability and user interaction features are limited
Solution Approach 1:
The mobile communication terminal is designed to perform multiple functions including video telephony, still image capture, and various image processing operations (rotation, flipping, filtering). The controller integrates these diverse functions into a unified system that can switch between different operational modes, making the terminal versatile without requiring separate dedicated devices for each function.
Solution Approach 2:
The terminal's functionality is segmented into distinct operational modes (video call mode, still image capture mode, image processing mode). The controller manages these segmented functions by receiving different types of requests and executing corresponding processing routines, allowing complex capabilities to be organized into manageable, independent functional blocks.
2Ease of operation
If image processing functions are added to video telephony, then user interaction is enhanced, but device complexity increases
Solution Approach 1:
The terminal provides self-service image processing capabilities where users can directly manipulate images during video calls through intuitive input operations. The controller automatically performs processing tasks (rotation, flipping, filter application) based on user requests without requiring external intervention or complex manual configuration, making the system easy to operate while maintaining advanced functionality.
Solution Approach 2:
The system implements feedback mechanisms where the controller processes user requests and displays results in real-time during video calls. Users can see the effects of image processing operations immediately and adjust their requests accordingly, creating an interactive loop that simplifies operation while enabling sophisticated image manipulation capabilities.
3Adaptability or versatility
If still image capture from video call is enabled, then multimedia service capability is improved, but processing time and complexity increase
Solution Approach 1:
The terminal performs preliminary actions by continuously capturing and buffering video data during the video call before a still image capture request is made. When the user requests a still image, the system can immediately process and save the pre-buffered frame without requiring time-consuming real-time capture and processing, thereby reducing the perceived processing time while maintaining high multimedia capability.
Data Source
AI summary
A mobile communication terminal including a wireless transceiver configured to perform a video telephony call with at least one other terminal, a display configured to display a first image corresponding to a user of the mobile communication terminal and a second image corresponding to a user of the at least one other terminal during the video telephony call, an input device configured to input a request for an image processing of the first image, and a controller configured to perform a predetermined image processing on the first image according to the input request for the image processing and to control the display to display the image-processed first image as a preview image.