Camera Region-Selective Image Transmission for Bandwidth Efficiency
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Solution Overview
Problem
Existing systems face inefficiencies in transmitting image data from a camera to a monitor apparatus, particularly when simultaneous output of images from different regions is required, leading to unnecessary data transmission and waste of communication bandwidth.
Innovation Solution
A system where a camera generates and transmits image data for specific regions based on alternating requests, using identification information to distinguish between regions, thereby reducing unnecessary data transmission and optimizing bandwidth usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the camera transmits entire image data to the device for processing, then the device can extract necessary image data for the synthesized image, but the communication bandwidth is wasted due to transmission of unnecessary image data
Solution Approach 1:
The camera extracts and transmits only the necessary image data corresponding to specific regions of interest instead of transmitting the entire image data. This extraction process removes unnecessary data before transmission, thereby reducing communication bandwidth consumption while ensuring the device receives complete and accurate data for the synthesized image.
2Loss of energy
If the camera transmits only specific region image data, then the communication bandwidth is optimized, but the device needs reliable methods to distinguish and position images from different regions
Solution Approach 1:
Identification information is introduced as an intermediary element that bridges the camera and device. This identification information is embedded in the transmission data to clearly mark and distinguish image data from different regions. The device uses this intermediary information to accurately identify and position each image segment in the synthesized image, simplifying the distinction mechanism while maintaining communication efficiency.
3Measurement precision
If identification information is embedded in transmission data, then images from different regions can be reliably distinguished and positioned, but the data structure becomes more complex
Solution Approach 1:
The identification information is prepared and embedded in the transmission data before the data is sent to the device. This preliminary action ensures that the data structure is already organized and labeled with region identification information, allowing the device to process and distinguish images efficiently without requiring complex post-reception processing or data restructuring.
Data Source
AI summary
A device alternately transmits to a camera, a first request that causes the camera to transmit image data corresponding to a first region in an imaging region of the camera and a second request that causes the camera to transmit image data corresponding to a second region in the imaging region. The camera generates first image data corresponding to the first region from entire image data and transmits first data including the first image data to the device in accordance with the first request, and generates second image data corresponding to the second region from the entire image data and transmits second data including the second image data to the device in accordance with the second request. The device outputs a synthesized image including first and second images based on the first and second image data, respectively.