Dual Camera Pan-Tilt Control via Virtual Area Mapping
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Solution Overview
Problem
Existing image displaying systems with multiple network cameras face challenges in efficiently displaying images on small screens like portable phones, where the ease of confirming images and performing pan/tilt operations is compromised due to increased data volume and limited processing capacity.
Innovation Solution
An image displaying apparatus connected to two cameras, allowing for seamless pan/tilt control, where a virtual display area combines the pan/tilt ranges of both cameras, enabling smooth transitions and efficient data management by requesting each camera to take over image transmission based on the display area's position, thereby maintaining operational ease and reducing data processing load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple images are displayed on a small-size multi-image screen, then the user can confirm multiple images simultaneously, but the degree of easiness to confirm images and perform pan/tilt operations decreases
Solution Approach 1:
The display screen is segmented into multiple independent image regions, where each region displays an image from a different camera. Each region can be independently controlled and operated, allowing users to access multiple camera feeds without compromising the usability of individual display areas.
Solution Approach 2:
The patent transitions from displaying multiple images in a single complex view to organizing them across multiple spatial dimensions on the screen. Each camera image occupies a distinct spatial region, and the system adds a temporal dimension by enabling seamless switching between regions, effectively resolving the contradiction between displaying multiple images and maintaining operational ease.
2Measurement precision
If the resolution and frame rate are increased, then the image quality improves, but the amount of data increases, exceeding data transmission and processing capacity
Solution Approach 1:
The system extracts and transmits only the necessary image data from multiple cameras at high resolution and frame rate, rather than processing all camera data simultaneously. By selectively managing data flow based on display region and user interaction, the system maintains high image quality while controlling data transmission volume within capacity limits.
3Productivity
If manual camera switching is required to perform pan/tilt operations across multiple cameras, then data processing load increases, but operational complexity increases
Solution Approach 1:
The patent merges the control interfaces and operational commands across multiple camera displays into a unified system. Users can perform pan/tilt operations on any displayed camera image using consistent controls, and the system automatically manages data processing and camera switching, reducing both operational complexity and processing overhead through integrated management.
Data Source
AI summary
The present disclosure provides an image displaying apparatus connected to a first camera and a second camera, on both of which pan/tilt control can be carried out, the image displaying apparatus including: an information acquisition section for acquiring information used for moving a display area over a virtual area obtained by combining a first area with a second area by making the first and second areas adjacent to each other; a control section for monitoring the position of the display area in the virtual area, requesting the first camera to carry out pan/tilt operations when the display area is positioned in the first area before and after a movement of the display area, and requesting the second camera to carry out pan/tilt operations when the display area has been moved from the first area to the boundary with the second area; and an image displaying section for displaying an image.