Dual Camera Mobile Terminal for Simultaneous Video and Environment Imaging
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Solution Overview
Problem
Conventional mobile terminals for video communication can only use one camera unit for both user and environment imaging, limiting the ability to share environment or stored images during video calls.
Innovation Solution
A mobile terminal with at least two camera units and a method to display and transmit images from both units simultaneously, allowing users to capture and share user, environment, or stored images during video communication by resizing images to match video communication standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If one camera unit is used for video communication, then user image transmission is achieved, but the ability to capture and transmit environment images during video communication is lost
Solution Approach 1:
The mobile terminal is equipped with two camera units that can serve multiple functions: one dedicated to video communication and another for capturing environment images. Both cameras can be utilized during video calls, allowing the system to perform both user imaging and environment imaging simultaneously, thereby achieving multi-functionality without significantly increasing complexity
Solution Approach 2:
The camera system is divided into two separate camera units with distinct functions. The first camera unit is dedicated to capturing user images for video communication, while the second camera unit is dedicated to capturing environment images. This segmentation allows each camera to be optimized for its specific purpose while enabling versatile usage during video calls
2Adaptability or versatility
If images from multiple camera units are transmitted simultaneously, then content sharing capability is enhanced, but image processing complexity increases
Solution Approach 1:
When transmitting images during video communication, the system selectively transmits only the necessary images based on user selection. The controller allows users to choose which images (from the first or second camera unit) to transmit, and only processes and transmits the selected images along with video data, avoiding the need to process and transmit all captured images simultaneously
Solution Approach 2:
The mobile terminal captures and stores images from both camera units before transmission. The controller manages the buffering and preliminary processing of these images, allowing users to select which pre-captured images to transmit during video communication. This preliminary capture and storage simplifies the real-time transmission process
3Reliability
If images are resized to match video communication standards, then transmission compatibility is improved, but processing time increases
Solution Approach 1:
The controller dynamically adjusts image parameters (resolution, size) of images from both camera units to match the video communication standard before transmission. This parameter transformation ensures compatibility between the captured images and the video communication protocol, allowing seamless integration of images into the video stream without compatibility issues
Data Source
AI summary
A mobile terminal and a method for transmitting an image therein are provided. The method includes displaying a first image input through a first camera unit while participating in a video communication, transmitting the first image to a counterpart terminal, operating, if a second image is selected for transmission, a second camera unit, inputting a second image through the second camera unit, resizing the first image and the second image according to an image standard used for the video communication, displaying the resized first image and second image, and transmitting the resized first image and second image to the counterpart terminal. Thus, a user can view images for video communication input through more than one camera unit and transmit the images to a counterpart terminal during a video communication.