Preview Image Hiding via Job Type Detection
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Solution Overview
Problem
Existing image processing apparatuses that use sensors to prevent others from peeking at preview screens often hide documents unnecessarily, reducing user efficiency by hiding them even when users are not approaching, due to the detection of passing individuals.
Innovation Solution
An image processing apparatus with a display unit, communication controller, and determination unit that automatically hides preview images or displays a non-display button when a specific job is received, assuming a higher likelihood of user approach, thereby controlling the display to prevent unauthorized peeking while minimizing unnecessary hiding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sensor is used to detect the presence of users around the image processing apparatus, then unauthorized peeking at the preview screen is prevented, but documents are hidden unnecessarily even when users are not approaching, reducing user efficiency
Solution Approach 1:
The system performs preliminary actions by detecting specific job types (print, scan, copy) that indicate another user will approach the apparatus. Based on this preliminary detection, the system proactively hides the preview image before the unauthorized user can peek, while avoiding unnecessary hiding when no such job is detected, thus maintaining user efficiency.
2Reliability
If the preview image is automatically hidden when any user is detected in the sensor range, then security is improved, but the operating efficiency is reduced due to unnecessary hiding during mere passing by
Solution Approach 1:
The system applies different quality levels of response based on the local situation: when a specific job type is detected (indicating high security risk), the preview image is automatically hidden; when no specific job is detected (low security risk), the preview image remains visible even if users pass by. This localized differentiation resolves the contradiction between security and efficiency.
3Reliability
If the preview image is hidden immediately upon detecting a user in range, then unauthorized access is prevented, but unnecessary hiding occurs reducing the duration of document visibility
Solution Approach 1:
The system dynamically adjusts the preview image visibility based on real-time detection of job types. When a print, scan, or copy job is detected, the system transitions to hiding the preview image. When no such job is detected, the system maintains visibility. This dynamic adaptation optimizes both security and document visibility duration.
Data Source
AI summary
An image processing apparatus includes a display unit that displays a preview image of a document on a preview screen during login of a first user, a communication controller that receives a job from an external device, a determination unit that determines whether the job received from the external device is a specific type of job, and a display controller that controls display on the preview screen. When the specific type of job is received during display of the preview screen, the display controller assumes a predetermined degree or more of possibility that a second user different from the first user may approach the apparatus, and performs at least one of first display control where the preview image is automatically hidden on the preview screen and second display control where a non-display button for hiding the preview image according to a user operation is displayed on the preview screen.