Video Management System Resolution Segmentation
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Solution Overview
Problem
Video management systems face increased costs and inefficiencies due to the high data requirements of processing and storing high-resolution images, leading to higher costs for both imaging devices and servers, especially when performing complex image analysis.
Innovation Solution
A video management system that allows an imaging device to capture high-resolution images and simultaneously store and transmit low-resolution images to a video management server, enabling the server to analyze the low-resolution images and provide analysis results, while the imaging device handles high-resolution image metadata and provides high-resolution images upon request.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the imaging device transmits high-resolution images to the video management server for analysis, then the image quality and analysis accuracy are improved, but the data transmission volume and server processing costs increase significantly
Solution Approach 1:
The patent divides the image processing system into two resolution levels: the imaging device captures and stores high-resolution images locally, while transmitting only low-resolution images to the video management server for analysis. This segmentation allows the server to process smaller data volumes while the imaging device retains full-quality images for situations requiring detailed examination.
Solution Approach 2:
The patent applies different quality levels to different parts of the system: the imaging device maintains high-resolution images locally for storage and detailed viewing, while the video management server receives and processes low-resolution images for general analysis and monitoring purposes. This local quality differentiation optimizes both transmission efficiency and analysis capability.
2Adaptability or versatility
If the imaging device performs complex intelligent image analysis, then the analysis capability is improved, but the device cost and processing complexity increase
Solution Approach 1:
The patent extracts the complex image analysis function from the imaging device and relocates it to the video management server. The imaging device is simplified to only capture and store images, while the server performs the computationally intensive analysis tasks. This extraction reduces the complexity and cost of the imaging device while maintaining centralized analysis capability.
Solution Approach 2:
The patent introduces the video management server as an intermediary between the imaging device and the final analysis output. The server acts as a mediator that receives low-resolution images from the imaging device, performs the complex analysis, and generates results, thereby shielding the imaging device from the complexity of analysis algorithms.
3Measurement precision
If the video management server stores and processes high-resolution images, then the image quality for analysis is improved, but the storage costs and processing loads increase
Solution Approach 1:
The patent segments the storage and processing functions by resolution level: the imaging device stores high-resolution images locally, while the video management server stores and processes only low-resolution images. This segmentation significantly reduces the server's storage requirements and processing energy consumption while maintaining the ability to retrieve high-resolution images from the imaging device when necessary.
Data Source
AI summary
A video management system includes: an imaging device configured to generate a first image by capturing a surveillance area at a first resolution; and a video management server configured to store a second image by converting the first image, wherein the imaging device includes: a high-resolution image storage configured to store the first image; a processor configured to convert the first image into the second image having a second resolution that is lower than the first resolution; and to transmit the second image to the video management server, and the video management server includes: a low-resolution image storage configured to store the second image; and a processor configured to generate low-resolution image metadata and an index of the low-resolution image metadata by analyzing the second image.