Image Capture Field-Angle Control for Board Readability
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Solution Overview
Problem
Existing image capturing technologies struggle to determine an appropriate field angle for capturing information on information sharing boards, such as blackboards or whiteboards, that ensures continuity and relevance of descriptions, leading to incomplete or difficult-to-read delivery images for remote students.
Innovation Solution
An image capturing control apparatus that groups descriptions based on continuity and relevance, controlling the field angle to ensure that related descriptions are captured and delivered in a coherent manner, using processors and memory to execute instructions for determining and adjusting the field angle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a wide field angle is used to capture the entire information sharing board, then the coverage area is improved, but the character size becomes too small to read
Solution Approach 1:
The patent applies dynamic field angle adjustment based on detected description continuity. The system transitions from a static fixed field angle to a dynamic adjustable one, where the field angle changes automatically according to the spatial and temporal relationships between descriptions on the board, allowing optimization between coverage and readability for different content regions
Solution Approach 2:
The patent changes the field angle parameter dynamically based on analysis of description characteristics. By calculating field angles according to the positions, sizes, and temporal relationships of descriptions, the system adjusts this critical parameter to achieve optimal balance between capturing sufficient context and maintaining readable character sizes
2Measurement precision
If a narrow field angle is used to ensure readable character size, then the character size is improved, but necessary information may not be included in the delivery image
Solution Approach 1:
The patent performs preliminary analysis of descriptions before determining the field angle. By detecting description positions, sizes, and temporal relationships in advance, the system pre-calculates appropriate field angles that will capture both the current description and relevant contextual information, preventing information loss before it occurs
Solution Approach 2:
The patent introduces an intermediary analysis process that examines description characteristics as a mediator between the narrow field angle requirement for readability and the need to capture comprehensive information. This intermediary step of analyzing description continuity and relationships enables the system to select field angles that satisfy both requirements
3Extent of automation
If automatic field angle determination is used to save labor costs, then automation is improved, but the ability to recognize relevance and continuity of information is worsened
Solution Approach 1:
The patent implements self-service automation where the system automatically analyzes description characteristics and determines field angles without human intervention. The automatic detection and analysis of description positions, sizes, and temporal relationships enables the system to independently make intelligent decisions about field angle selection, maintaining high reliability in relevance recognition through computational analysis
Solution Approach 2:
The patent replaces manual mechanical adjustment of field angles with an automated information processing system. Instead of a cameraman manually adjusting the camera, the system uses computational analysis of description data to automatically determine optimal field angles, substituting mechanical operation with intelligent automation that maintains or improves recognition accuracy
Data Source
AI summary
An image capturing control apparatus comprises one or more processors and one or more memories storing executable instructions which, when executed by the one or more processors, cause the apparatus to function as a grouping unit configured to make a determination of, from a frame obtained by capturing a target, whether or not there is continuity between a first description added to an target and a second description already added to the target before the first description, and to group descriptions in the target based on a result of the determination, and a control unit configured to control, based on a time related to each group obtained by the grouping unit, a field angle of an image capturing apparatus such that an image of a description on the target in a group to be delivered in the frame is captured.