Panoramic Video Production via Remote Venue Server
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Solution Overview
Problem
Current outdoor sports television productions are expensive due to high equipment and manpower costs, making it difficult to provide high-quality coverage of various sports events, especially for home users who want comprehensive and dynamic scene coverage with replays of dramatic moments.
Innovation Solution
A method for producing a stream of desired image frames using an array of video cameras, where raw video images are recorded and converted into panoramic views at a reduced data rate, transmitted to a remote production suite, and then processed to create high-resolution frames with seamless transitions, allowing for efficient and cost-effective television production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional outdoor television production is used for sports events, then comprehensive scene coverage and high-quality video production can be achieved, but the cost of equipment and manpower becomes prohibitively expensive
Solution Approach 1:
The production system is segmented into two distinct locations: a venue server at the event location that captures and pre-processes video feeds from multiple cameras, and a remote production suite that performs final frame selection and composition. This segmentation allows high-quality production without requiring all equipment and personnel to be present at the venue, reducing on-site complexity and costs.
Solution Approach 2:
A communication link (internet or cellular connection) acts as an intermediary between the venue server and the remote production suite, enabling transmission of video data and control signals. This intermediary allows the production team to work remotely while maintaining real-time coordination, eliminating the need for expensive on-site production facilities.
2Loss of information
If multiple cameras are deployed to capture the entire scene with various angles and replays, then comprehensive coverage is achieved, but the data transmission bandwidth requirements become excessively high
Solution Approach 1:
The venue server performs preliminary actions by capturing video feeds from multiple cameras and converting them into panoramic views before transmission. By pre-processing the video data at the source, the system reduces the amount of data that needs to be transmitted while preserving all necessary scene information for later selection and replay.
Solution Approach 2:
The system transforms multiple separate camera feeds into a single panoramic view, changing the dimensional representation of the video data. This consolidation maintains complete scene coverage information in a compressed format, allowing comprehensive coverage without proportionally increasing transmission bandwidth requirements.
3Device complexity
If a remote production suite is used to reduce on-site equipment and personnel, then cost is reduced, but the requirement for reliable communication links and coordinated operation increases
Solution Approach 1:
The system implements feedback mechanisms where the remote production suite sends frame selection instructions back to the venue server, which then retrieves and transmits the requested high-resolution frames. This bidirectional communication ensures coordinated operation between the two locations, maintaining production quality while enabling remote operation despite communication link dependencies.
Data Source
AI summary
It is provided a method for producing a stream of desired image frames derived from a panoramic capturing of a scene by an array of video cameras. The production is conducted by a coordinated operation at a venue proximate to the scene and at a production suite located remotely from the venue. The method includes a venue server recording a stream of raw video images captured simultaneously by the video-cameras, and converting the stream of raw video images at a first data rate to a stream of panoramic views at a second data rate. The second data rate is less than one third of the first data rate. The method further includes transmitting the stream of panoramic views to a remote production suite, and there selecting a stream of desired frames including respective regions of interest. The method further includes transmitting data on the stream of desired frames to the venue server, and the venue server producing out of the recorded stream of raw video images, a stream of high resolution frames. The high resolution frames are characterized by non perceptible boundaries between neighboring images derived from respective neighboring raw video images.