Image Pickup Apparatus Selective OSD Superimposition
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Solution Overview
Problem
Existing image pickup systems struggle to appropriately superimpose large amounts of information onto captured images, often resulting in incomplete or unreadable overlays due to limitations in character string length and image size constraints.
Innovation Solution
The system includes an image pickup unit, a reception unit for receiving superimposition information, a determination unit to assess the amount of information, and an output unit to selectively output and superimpose information on the captured image, ensuring appropriate placement and visibility regardless of information volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the amount of superimposition information is increased, then the information completeness is improved, but the readability and display quality deteriorate
Solution Approach 1:
The patent segments the superimposition information into multiple lines and selectively displays them based on available space. The determination unit divides the character string into multiple lines and the superimposition unit displays only those lines that fit within the readable region, preventing information overload while maintaining readability.
Solution Approach 2:
The patent applies partial action by displaying only a portion of the received superimposition information when the total amount exceeds the display capacity. The determination unit calculates the maximum number of displayable lines and the superimposition unit selectively outputs only that many lines, ensuring quality over completeness when necessary.
2Quantity of substance
If the character string length is increased, then the information content is improved, but the display area requirements increase
Solution Approach 1:
The patent transitions from one-dimensional character display to two-dimensional multi-line display. The determination unit divides a long character string into multiple lines vertically, allowing information to be distributed across different spatial dimensions within the available display area, thus accommodating longer information without proportionally increasing total area requirements.
Solution Approach 2:
The patent segments the character string into multiple lines and selectively displays them based on available space. The determination unit divides the character string into multiple lines and the superimposition unit displays only those lines that fit within the readable region, preventing information overload while maintaining readability.
3Loss of information
If all superimposition information is displayed, then the information completeness is improved, but the image quality and readability deteriorate
Solution Approach 1:
The patent applies partial action by displaying only a portion of the received superimposition information when the total amount exceeds the display capacity. The determination unit calculates the maximum number of displayable lines and the superimposition unit selectively outputs only that many lines, ensuring quality over completeness when necessary.
Solution Approach 2:
The determination unit acts as an intermediary between the reception unit and superimposition unit. It evaluates the received superimposition information against image parameters and determines the optimal subset to display, mediating between information completeness and image quality requirements.
Data Source
AI summary
A monitoring camera includes an image pickup unit which captures an image of an object, a communication unit which receives superimposition information from a client apparatus through an IP network, a controller which determines whether the received superimposition information is larger than a first amount, an OSD generation unit which outputs part of the received superimposition information when the superimposition information is larger than the first amount and outputs the received superimposition information when the superimposition information is not larger than the first amount, and a compressing/encoding unit which superimposes the output superimposition information on the captured image.