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The non-uniform distribution and extremely sparse nature of the LiDAR point cloud (LPC) bring significant challenges to its high-efficient compression. This paper proposes a novel end-to-end, fully-factorized deep framework that encodes the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Tingyu Fan , Linyao Gao , Yiling Xu , Dong Wang , Zhu Li

Training large language models (LLMs) poses significant challenges regarding computational resources and memory capacity. Although distributed training techniques help mitigate these issues, they still suffer from considerable communication…

Learning-based point cloud compression methods have made significant progress in terms of performance. However, these methods still encounter challenges including high complexity, limited compression modes, and a lack of support for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Kangli Wang , Wei Gao

Large Reasoning Models (LRMs) have achieved remarkable success, yet they often suffer from producing unnecessary and verbose reasoning chains. We identify a core aspect of this issue as "invalid thinking" -- models tend to repeatedly…

Artificial Intelligence · Computer Science 2025-09-12 Zhengxiang Cheng , Dongping Chen , Mingyang Fu , Tianyi Zhou

Vision-language models (VLMs) face significant computational inefficiencies caused by excessive generation of visual tokens. While prior work shows that a large fraction of visual tokens are redundant, existing compression methods struggle…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Zhengyao Fang , Pengyuan Lyu , Chengquan Zhang , Guangming Lu , Jun Yu , Wenjie Pei

Geometric data pruning methods, while practical for leveraging pretrained models, are fundamentally unstable. Their reliance on extrinsic geometry renders them highly sensitive to latent space perturbations, causing performance to degrade…

Machine Learning · Computer Science 2026-05-11 Arjun Roy , Prajna G. Malettira , Manish Nagaraj , Kaushik Roy

Performance analysis has always been an afterthought during the application development process, focusing on application correctness first. The learning curve of the existing static and dynamic analysis tools are steep, which requires…

Machine Learning · Computer Science 2021-04-23 Nathan Pinnow , Tarek Ramadan , Tanzima Z. Islam , Chase Phelps , Jayaraman J. Thiagarajan

In systems neuroscience, most models posit that brain regions communicate information under constraints of efficiency. Yet, evidence for efficient communication in structural brain networks characterized by hierarchical organization and…

Large language models are known to contain representational redundancy across network depth, making depth pruning an effective approach for improving inference efficiency. Existing one-shot pruning methods rely on local layer importance or…

Machine Learning · Computer Science 2026-05-28 Vincent-Daniel Yun , Youngrae Kim , Woosang Lim , YoungJin Heo , Minkyu Kim , Sunwoo Lee

Recovering intrinsic data structure from corrupted observations plays an important role in various tasks in the communities of machine learning and signal processing. In this paper, we propose a novel model, named log-sum heuristic recovery…

Numerical Analysis · Computer Science 2014-08-13 Yue Deng , Qionghai Dai , Risheng Liu , Zengke Zhang , Sanqing Hu

One-stream Transformer-based trackers achieve advanced performance in visual object tracking but suffer from significant computational overhead that hinders real-time deployment. While token pruning offers a path to efficiency, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hao Wu , Xudong Wang , Jialiang Zhang , Junlong Tong , Xinghao Chen , Junyan Lin , Yunpu Ma , Xiaoyu Shen

Large vision-language models (LVLMs) excel at visual understanding, but face efficiency challenges due to quadratic complexity in processing long multi-modal contexts. While token compression can reduce computational costs, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Xuyang Liu , Ziming Wang , Junjie Chen , Yuhang Han , Yingyao Wang , Jiale Yuan , Jun Song , Siteng Huang , Honggang Chen

In this work, a deep learning-based method for log-likelihood ratio (LLR) lossy compression and quantization is proposed, with emphasis on a single-input single-output uncorrelated fading communication setting. A deep autoencoder network is…

Machine Learning · Computer Science 2021-05-11 Marius Arvinte , Ahmed H. Tewfik , Sriram Vishwanath

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

This article introduces a novel communication scheme, termed coded compressed sensing, for unsourced multiple-access communication. The proposed divide-and-conquer approach leverages recent advances in compressed sensing and forward error…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Vamsi K. Amalladinne , Jean-Francois Chamberland , Krishna R. Narayanan

Text image super-resolution (Text-SR) requires more than visually plausible detail synthesis: slight errors in stroke topology may alter character identity and break readability. Existing methods improve text fidelity with stronger…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zihang Xu , Xiaoyang Liu , Zheng Chen , Yulun Zhang , Xiaokang Yang

Semantic operators have increasingly become integrated within data systems to enable processing data using Large Language Models (LLMs). Despite significant recent effort in improving these operators, their accuracy is limited due to a…

Databases · Computer Science 2026-04-06 Youran Sun , Sepanta Zeighami , Bhavya Chopra , Shreya Shankar , Aditya G. Parameswaran

This paper investigates hardware-based memory compression designs to increase the memory bandwidth. When lines are compressible, the hardware can store multiple lines in a single memory location, and retrieve all these lines in a single…

Hardware Architecture · Computer Science 2018-07-23 Vinson Young , Sanjay Kariyappa , Moinuddin K. Qureshi

Discovering valuable insights from rich data is a crucial task for exploratory data analysis. Sequential pattern mining (SPM) has found widespread applications across various domains. In recent years, low-utility sequential pattern mining…

Databases · Computer Science 2026-04-28 Jian Zhu , Zhidong Lin , Wensheng Gan , Philip S. Yu

The increasing prevalence of large language models (LLMs) such as GPT-4 in various applications has led to a surge in the size of prompts required for optimal performance, leading to challenges in computational efficiency. Prompt…

Computation and Language · Computer Science 2024-12-19 Shivam Shandilya , Menglin Xia , Supriyo Ghosh , Huiqiang Jiang , Jue Zhang , Qianhui Wu , Victor Rühle
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