Communication Device Face Detection Partial Picture Usability
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Solution Overview
Problem
Existing picturephones have limited usability due to the narrow angle of view of their cameras, which results in individuals appearing small on the display panel, especially when multiple people communicate simultaneously or when users move in front of the camera.
Innovation Solution
A communication device that detects face images from the captured picture and generates a partial picture, adjusting the picture size to display individuals in a larger format, rather than adjusting the camera's angle of view, thereby improving usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a camera with a narrow angle of view is used, then the picture quality and clarity of the displayed image is improved, but the usability is deteriorated because individuals appear small on the display panel when multiple people communicate or when users move in front of the camera
Solution Approach 1:
The patent segments the captured image into a partial picture focusing on the face region. The information processing section detects the face in the captured picture and generates a partial picture that includes only the detected face, thereby segmenting the full image to isolate the subject of interest for better display quality and usability
Solution Approach 2:
The patent transitions from using spatial dimension (angle of view) to image processing dimension (face detection and partial picture generation). Instead of changing the camera's physical angle of view, the system processes the captured image by detecting faces and extracting relevant regions, achieving the desired effect through computational means rather than optical adjustment
2Ease of operation
If the angle of view of the camera is adjusted to include more people, then the usability for multiple people communicating is improved, but the picture quality and clarity of individuals deteriorates
Solution Approach 1:
The patent extracts the face region from the captured picture to create a partial picture. The information processing section detects the face and generates a partial picture that includes only the detected face, effectively taking out the essential information needed for clear display while ignoring the rest of the scene
Solution Approach 2:
The patent applies local quality by focusing the display on the face region where the most important information is located. The partial picture is generated to highlight the face area with appropriate size and clarity, while the rest of the image content is excluded, ensuring that the displayed region has optimal quality for communication
Data Source
AI summary
There is provided a communication device capable of improving a decline in the usability caused by an angle of view of a camera. The communication device includes: a camera capturing a picture; an information processing section detecting a face image from the picture captured by the camera, to generate a partial picture including the detected face image; a transmitting section encoding the partial picture to generate encoded data, and transmitting the encoded data to a counterpart; and a first receiving section receiving data transmitted from the counterpart, and decoding the received data to generate a picturephone picture.