Encrypted Video Stream Compaction With Asymmetric Codebooks
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Solution Overview
Problem
The rapid growth of data storage demand, exceeding the capacity of physical storage solutions and transmission bandwidth, necessitates a highly efficient encoding method that includes asymmetric encoding/decoding and distributed computing policy enforcement.
Innovation Solution
A system and method for encrypted video stream data compaction using asymmetric encoding/decoding, where data manipulation rules are applied at the decoding stage to transform decoded data into a different data set, and incorporating a behavior appendix into the codebook for network compliance, allowing for distributed computing network enforcement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If data compression is applied to increase storage capacity, then storage efficiency improves, but data security deteriorates because compression algorithms require knowledge of the original data structure
Solution Approach 1:
The patent applies asymmetry by using different codebooks for encoding and decoding. The encoder uses a first codebook to encode video data, while the decoder uses a second codebook to decode. This asymmetric approach allows the decoded output to differ from the original input, providing security while maintaining compression efficiency. The codebooks are designed such that knowing one does not reveal the other, breaking the symmetry that would otherwise expose data structure information.
Solution Approach 2:
The patent introduces an intermediary codebook transformation layer between the original video data and the compressed output. Instead of directly compressing the video data, the system encodes it through a codebook that acts as an intermediary, transforming the data into a different representation. This intermediary layer obscures the original data structure while still enabling efficient compression and accurate reconstruction through the corresponding decoder codebook.
2Loss of information
If traditional symmetric encoding/decoding is used to maintain data integrity, then data accuracy is preserved, but security is compromised because the original data can be reconstructed
Solution Approach 1:
The patent fundamentally breaks symmetric encoding/decoding by using different codebooks for each direction. The encoder codebook and decoder codebook are intentionally different, creating an asymmetric system where the decoding process transforms data differently than the encoding process. This asymmetry ensures that even with perfect reconstruction capability, the output cannot be the exact original input, providing security while maintaining data integrity for the intended purpose.
Solution Approach 2:
The patent inverts the traditional approach by making the decoder different from the encoder, rather than making them identical. Instead of having symmetric codebooks where encode(decode(x)) = x, the system uses asymmetric codebooks where decode(encode(x)) produces a transformed output. This inversion of the symmetric principle provides the security needed while still preserving the essential information through the transformation.
3Manufacturing precision
If video stream data is transmitted without compression, then data quality is maintained, but transmission bandwidth requirements increase
Solution Approach 1:
The patent applies preliminary action by pre-computing and storing codebooks that capture the statistical properties and patterns of video data. These codebooks are prepared in advance and used during encoding to efficiently represent video streams. The preliminary creation of these codebooks enables the system to achieve high compression ratios while maintaining quality, as the pre-computed codebooks contain optimized representations of typical video content structures.
Solution Approach 2:
The patent utilizes parameter changes by adapting the codebook selection and encoding parameters based on the specific characteristics of the video stream being encoded. The system can change encoding parameters such as codebook selection, block sizes, and transformation types to optimize for both quality and compression ratio. This adaptive parameter adjustment allows the system to maintain high data quality while significantly reducing transmission bandwidth requirements.
Data Source
AI summary
This invention is a system and method for encrypted video stream data compaction. The system integrates video processing techniques with data compaction methods, achieving compressed outputs that maintain data security. A video stream processor analyzes frames, estimates motion, and eliminates redundancies, preparing the data for further compression. The processed data is then divided into blocks, mapped to codewords, and subjected to additional compression and encryption rules. This multi-layered approach results in reduced data size and bandwidth requirements for video streaming, while ensuring data integrity and security. The system's adaptability makes it suitable for various video streaming applications, from high-definition content delivery to secure video communications.