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Generative model based image lossless compression algorithms have seen a great success in improving compression ratio. However, the throughput for most of them is less than 1 MB/s even with the most advanced AI accelerated chips, preventing…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Ning Kang , Shanzhao Qiu , Shifeng Zhang , Zhenguo Li , Shutao Xia

Full-state quantum circuit simulation requires exponentially increased memory size to store the state vector as the number of qubits scales, presenting significant limitations in classical computing systems. Our paper introduces BMQSim, a…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-21 Boyuan Zhang , Bo Fang , Fanjiang Ye , Yida Gu , Nathan Tallent , Guangming Tan , Dingwen Tao

We leverage the powerful lossy image compression algorithm BPG to build a lossless image compression system. Specifically, the original image is first decomposed into the lossy reconstruction obtained after compressing it with BPG and the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Fabian Mentzer , Luc Van Gool , Michael Tschannen

Point cloud compression (PCC) is a key enabler for various 3-D applications, owing to the universality of the point cloud format. Ideally, 3D point clouds endeavor to depict object/scene surfaces that are continuous. Practically, as a set…

Image and Video Processing · Electrical Eng. & Systems 2022-09-12 Jiahao Pang , Muhammad Asad Lodhi , Dong Tian

This paper presents conditional versions of Lempel-Ziv (LZ) algorithm for settings where compressor and decompressor have access to the same side information. We propose a fixed-length-parsing LZ algorithm with side information, motivated…

Information Theory · Computer Science 2017-07-19 Yeohee Im , Sergio Verdú

A new approach to data compression is developed and applied to multimedia content. This method separates messages into components suitable for both lossless coding and 'lossy' or statistical coding techniques, compressing complex objects by…

Information Theory · Computer Science 2011-12-26 John Scoville

Lossless image compression is an important technique for image storage and transmission when information loss is not allowed. With the fast development of deep learning techniques, deep neural networks have been used in this field to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-25 Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Nannan Zou , Emre Aksu , Miska M. Hannuksela

Multi-resolution methods such as Adaptive Mesh Refinement (AMR) can enhance storage efficiency for HPC applications generating vast volumes of data. However, their applicability is limited and cannot be universally deployed across all…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Daoce Wang , Pascal Grosset , Jesus Pulido , Tushar M. Athawale , Jiannan Tian , Kai Zhao , Zarija Lukić , Axel Huebl , Zhe Wang , James Ahrens , Dingwen Tao

Topological descriptors such as contour trees are widely utilized in scientific data analysis and visualization, with applications from materials science to climate simulations. It is desirable to preserve topological descriptors when data…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-13 Nathaniel Gorski , Xin Liang , Hanqi Guo , Lin Yan , Bei Wang

Lossless image compression is an essential research field in image compression. Recently, learning-based image compression methods achieved impressive performance compared with traditional lossless methods, such as WebP, JPEG2000, and FLIF.…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Ran Wang , Jinming Liu , Heming Sun , Jiro Katto

This paper proposes a new compression paradigm -- Guaranteed Conditional Diffusion with Tensor Correction (GCDTC) -- for lossy scientific data compression. The framework is based on recent conditional diffusion (CD) generative models, and…

Machine Learning · Computer Science 2025-02-19 Jaemoon Lee , Xiao Li , Liangji Zhu , Sanjay Ranka , Anand Rangarajan

The main goal in many fields in the empirical sciences is to discover causal relationships among a set of variables from observational data. PC algorithm is one of the promising solutions to learn underlying causal structure by performing a…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-01-22 Behrooz Zarebavani , Foad Jafarinejad , Matin Hashemi , Saber Salehkaleybar

Distributed optimization methods are often applied to solving huge-scale problems like training neural networks with millions and even billions of parameters. In such applications, communicating full vectors, e.g., (stochastic) gradients,…

Optimization and Control · Mathematics 2022-05-31 Marina Danilova , Eduard Gorbunov

We introduce a novel, efficient computational method, ZEUS, for numerical optimization, and provide an open-source implementation. It has four key ingredients: (1) particle swarm optimization (PSO), (2) the use of the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-01 Dominik Soos , Marc Paterno , Desh Ranjan , Mohammad Zubair

Collective communication is a major bottleneck for multi-node GPU workloads in scientific computing and distributed deep learning, especially when inter-node bandwidth is limited. Although NCCL provides optimized GPU-centric collectives,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-13 Jiamin Wang , Zhijing Ye , Xiaodong Yu

Rapid growth in scientific data and a widening gap between computational speed and I/O bandwidth makes it increasingly infeasible to store and share all data produced by scientific simulations. Instead, we need methods for reducing data…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-28 Jieyang Chen , Lipeng Wan , Xin Liang , Ben Whitney , Qing Liu , Qian Gong , David Pugmire , Nicholas Thompson , Jong Youl Choi , Matthew Wolf , Todd Munson , Ian Foster , Scott Klasky

Gradient compression is a recent and increasingly popular technique for reducing the communication cost in distributed training of large-scale machine learning models. In this work we focus on developing efficient distributed methods that…

Optimization and Control · Mathematics 2020-10-02 Xun Qian , Peter Richtárik , Tong Zhang

Feed-forward 3D Gaussian Splatting (3DGS) models have recently emerged as a promising solution for novel view synthesis, enabling one-pass inference without the need for per-scene 3DGS optimization. However, their scalability is…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Weijie Wang , Donny Y. Chen , Zeyu Zhang , Duochao Shi , Akide Liu , Bohan Zhuang

Point-based 3D point cloud models employ computation and memory intensive mapping functions alongside NN layers for classification/segmentation, and are executed on server-grade GPUs. The sparse, and unstructured nature of 3D point cloud…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-30 Amur Saqib Pal , Muhammad Mohsin Ghaffar , Faisal Shafait , Christian Weis , Norbert Wehn

In our former works we have made serious efforts to improve the performance of medical image analysis methods with using ensemble-based systems. In this paper, we present a novel hardware-based solution for the efficient adoption of our…

Image and Video Processing · Electrical Eng. & Systems 2018-06-19 Laszlo Kovacs , Roland Kovacs , Andras Hajdu