3D Video Data Processing Method for Broadcast Transmitters
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Solution Overview
Problem
Current broadcast systems lack efficient methods for processing and transmitting 3D video data, particularly in stereoscopic displays, which require two video streams, leading to challenges in maintaining compatibility with conventional 2D broadcast services and optimizing bandwidth usage.
Innovation Solution
A 3D video data processing method involving a video formatter, encoder, system information processor, multiplexer, and transmitting unit for processing and transmitting 3D video data, along with a receiving unit, decoder, and output formatter for receiving and formatting 3D video data, ensuring effective processing and display of 3D content while minimizing impact on 2D services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If two video streams are transmitted for stereoscopic display, then 3D video quality is improved, but bandwidth consumption increases
Solution Approach 1:
The patent segments the 3D video data transmission by separating primary video data and secondary video data into distinct streams. The primary video data is transmitted at full resolution while the secondary video data is transmitted at reduced resolution, allowing the system to maintain 3D quality where needed while reducing overall bandwidth consumption through selective resolution allocation.
2Manufacturing precision
If two video streams are transmitted for stereoscopic display, then 3D video quality is improved, but system complexity increases
Solution Approach 1:
The patent implements multi-functionality in the broadcast receiver by enabling it to automatically detect and process both 3D and 2D video streams using the same hardware infrastructure. The system can selectively decode primary and secondary video data for 3D display or process only primary video data for 2D display, making the receiver universally compatible with multiple display modes without requiring separate dedicated systems.
3Quantity of substance
If secondary video data is transmitted at half resolution, then bandwidth is optimized, but processing complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-processing the secondary video data at the transmitter side to reduce it to half resolution before transmission. This preliminary resolution reduction simplifies the subsequent processing at the receiver side, as the reduced-resolution data requires less computational effort to decode and integrate with the primary video data, thereby optimizing the overall processing complexity while maintaining bandwidth efficiency.
Data Source
AI summary
A broadcast transmitter, a broadcast receiver, and a 3D video data processing method are disclosed. A 3D video data processing method includes processing, by a video formatter, 3D video data, encoding, by an encoder, 3D video data, generating, by a system information processor, system information having 3D video composition information including information about the processing and encoding of 3D video data, multiplexing, by a multiplexer, the system information and the 3D video data, and transmitting, by a transmitter, a broadcast signal. In a 3D video data processing method, a receiver receives a broadcast signal including 3D video data and system information, a system information processor obtains 3D video composition information by parsing the system information, a decoder decodes the 3D video data according to the 3D video composition information, and an output formatter formats and outputs the decoded 3D video data according to the 3D video composition information.