Digital Video Camera Dual Stream Configuration
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Solution Overview
Problem
Balancing video stream parameters to optimize video quality, bandwidth, and storage requirements in digital video cameras is challenging due to the need for a method that allows for easy tuning and visualization of parameter changes.
Innovation Solution
A method involving the simultaneous production of two video streams with different bit rates, allowing for real-time adjustment and display of video stream parameters such as resolution, frame rate, and compression settings, enabling users to compare and save configurations based on quality and storage needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If video stream parameters are adjusted to improve video quality, then video quality is improved, but bandwidth and storage requirements increase
Solution Approach 1:
The patent divides the video stream into multiple versions with different quality levels and bit rates. The video processing system generates both high-quality and low-quality video streams simultaneously, allowing users to select appropriate quality levels based on available bandwidth and storage capacity, thus resolving the contradiction between video quality and resource consumption.
Solution Approach 2:
The patent employs dynamic parameter adjustment by changing video stream parameters (resolution, frame rate, compression settings) to produce multiple video versions. This allows the system to adapt video quality and bit rate according to real-time bandwidth and storage conditions, effectively balancing video quality against resource requirements.
2Manufacturing precision
If multiple video stream parameters are adjusted to optimize configuration, then video quality and storage efficiency are improved, but system complexity increases
Solution Approach 1:
The patent implements automated video stream parameter optimization where the system itself performs the complex task of generating and comparing multiple video configurations. The video processing system automatically creates test streams, evaluates their performance, and selects optimal parameters without requiring manual intervention, thus reducing operational complexity while maintaining optimization benefits.
Solution Approach 2:
The patent uses feedback mechanisms by continuously monitoring video stream performance metrics (quality, bandwidth usage, storage consumption) and using this information to automatically adjust parameters. This closed-loop approach simplifies the configuration process by allowing the system to self-optimize based on real-time performance data rather than requiring complex manual tuning.
3Manufacturing precision
If high bit rate video stream is used, then video quality is improved, but loading speed and storage efficiency decrease
Solution Approach 1:
The patent segments the video content into multiple quality versions, including both high-bit-rate and low-bit-rate streams. This segmentation allows the system to serve different quality levels to different users or devices based on their specific needs and capabilities, enabling fast loading for thumbnails or previews while maintaining high quality for detailed inspection when needed.
Data Source
AI summary
A method for configuration of video stream output from a digital video camera. A digital video camera connected to a communication network, using a first video stream of a scene is produced; a second video stream of the scene is produced; at a client connected to the communication network, the first and second video streams are received and at least one video stream parameter of the first set of video stream parameters is caused to be adjusted such that a bit rate of the first video stream is affected; at the digital video camera, the producing of the first video stream is continuously adjusted based on the caused adjustment of the at least one video stream parameter of the first set of video stream parameters; and on a display of the client, a portion of each frame of the first video stream are continuously displayed.