Writing Region Detection for Blackboard Recording Control
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Solution Overview
Problem
Existing technologies fail to appropriately record information written on writing objects like blackboards or whiteboards, leading to inefficiencies in capturing written content before it is erased.
Innovation Solution
An information processing apparatus and method that sets a writing region within a writing image and controls recording based on changes in this region, distinguishing between writing and erasing actions to optimize when to capture the image.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If information is constantly recorded on a writing object, then the information can be referred to later, but storage capacity is wasted
Solution Approach 1:
The system performs preliminary detection of writing and erasing actions before recording occurs. By detecting when writing actually happens on the blackboard and when erasing occurs, the system prepares to record only at appropriate moments, avoiding unnecessary continuous recording and thus conserving storage capacity while ensuring information is retained when needed
Solution Approach 2:
Instead of continuous recording, the system implements periodic recording triggered by detected events (writing actions or erasing actions). The recording occurs periodically based on these detected events rather than continuously, which reduces storage usage while maintaining the ability to retrieve recorded information when needed
2Quantity of substance
If information is not constantly recorded, then storage capacity is preserved, but written information may not be captured before being erased
Solution Approach 1:
The system continuously monitors the blackboard surface for writing and erasing actions, creating a feedback loop that triggers recording decisions. When the detection unit identifies a writing action or an erasing action, it sends a signal to the control unit to initiate recording, ensuring that information is captured at the right moment without needing constant recording
Solution Approach 2:
The detection unit performs preliminary detection of writing and erasing actions before the actual recording occurs. This preliminary detection ensures that the system is ready to capture information at the appropriate moment, preventing loss of written information while avoiding unnecessary recording
3Loss of information
If recording is triggered by detecting a blackboard eraser, then information can be captured before erasing, but information may still not be appropriately recorded
Solution Approach 1:
The detection system is segmented into multiple detection units that can detect different actions separately: one unit detects writing actions (such as markers touching the blackboard) and another detects erasing actions (such as erasers touching the blackboard). This segmentation allows the system to independently identify and respond to each type of action, improving the reliability of information recording by ensuring the correct trigger is activated for the correct situation
Solution Approach 2:
The control unit acts as an intermediary between the detection units and the recording unit. It receives detection results from multiple detection units, processes this information, and makes intelligent decisions about when to trigger recording. This intermediary processing ensures that recording is triggered appropriately based on the actual state of the blackboard, improving recording accuracy
Data Source
AI summary
Provided is an information processing apparatus and an information processing method that enable appropriate recording of information written on a writing object. A region setting unit sets, in a writing image that shows the writing object on which written information is written, a writing region that includes the written information, and a recording control unit that controls recording of the writing image in response to a change in the writing region. The present disclosure can be applied to, for example, a board writing recording system.