Data Compression and Deduplication

Report on Current Developments in Data Compression and Deduplication

General Direction of the Field

The field of data compression and deduplication is experiencing a significant surge in innovation, driven by the increasing demand for efficient storage and transmission of massive datasets, particularly in scientific applications and high-performance computing (HPC). Recent advancements are characterized by a blend of traditional techniques with modern machine learning and neural network approaches, aiming to achieve higher compression ratios, better data fidelity, and faster processing times.

One of the primary trends is the integration of neural networks into compression frameworks, which allows for more adaptive and intelligent data reduction strategies. These neural-based methods are particularly effective in handling complex, high-dimensional data, such as scientific simulations and large-scale image datasets. The incorporation of error-controlled learning and attention mechanisms is enabling more precise control over data quality and compression efficiency, addressing the long-standing challenge of balancing compression ratio with data integrity.

Another notable direction is the exploration of hierarchical and block-wise compression techniques, which leverage both spatial and temporal correlations within datasets. These methods are proving to be highly effective in scientific applications where data structures are inherently multidimensional and interrelated. The development of dynamic, error-bounded compression algorithms is also gaining traction, offering a way to maintain computational efficiency and accuracy in neural network training and inference.

Overall, the field is moving towards more sophisticated, adaptive, and context-aware compression solutions that can handle the complexities and scale of modern data challenges. The emphasis on end-to-end optimization and the integration of diverse techniques are key to advancing the state-of-the-art in data compression and deduplication.

Noteworthy Innovations

  • NeurLZ: Introduces a novel cross-field learning-based compression framework that achieves up to a 90% reduction in bit rate under the same data distortion, outperforming existing methods.
  • NVRC: Proposes a fully end-to-end optimized neural video compression framework that achieves a 24% coding gain over the latest standard codecs, marking a significant milestone in neural-based video compression.

Sources

A Thorough Investigation of Content-Defined Chunking Algorithms for Data Deduplication

NeurLZ: On Enhancing Lossy Compression Performance based on Error-Controlled Neural Learning for Scientific Data

A Taxonomy of Miscompressions: Preparing Image Forensics for Neural Compression

Attention Based Machine Learning Methods for Data Reduction with Guaranteed Error Bounds

Dynamic Error-Bounded Hierarchical Matrices in Neural Network Compression

NVRC: Neural Video Representation Compression