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Visual Prompt Tuning (VPT) has emerged as a parameter-efficient fine-tuning paradigm for vision transformers, with conventional approaches utilizing dataset-level prompts that remain the same across all input instances. We observe that this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Xi Xiao , Yunbei Zhang , Xingjian Li , Tianyang Wang , Xiao Wang , Yuxiang Wei , Jihun Hamm , Min Xu

Risk forecasts in financial regulation and internal management are calculated through historical data. The unknown structural changes of financial data poses a substantial challenge in selecting an appropriate look-back window for risk…

Risk Management · Quantitative Finance 2026-03-03 Yinhuan Li , Chenxin Lyu , Ruodu Wang

Despite progress in Large Vision-Language Models (LVLMs), their capacity for visual reasoning is often limited by the binding problem: the failure to reliably associate perceptual features with their correct visual referents. This…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Amirmohammad Izadi , Mohammad Ali Banayeeanzade , Fatemeh Askari , Ali Rahimiakbar , Mohammad Mahdi Vahedi , Hosein Hasani , Mahdieh Soleymani Baghshah

Transformer models are computationally costly on long sequences since regular attention has quadratic $O(n^2)$ time complexity. We introduce Wavelet-Enhanced Random Spectral Attention (WERSA), a novel mechanism of linear $O(n)$ time…

Machine Learning · Computer Science 2025-07-14 Vincenzo Dentamaro

Multimodal large language models (MLLMs) achieve remarkable progress in cross-modal perception and reasoning, yet a fundamental question remains unresolved: should the vision encoder be fine-tuned or frozen? Despite the success of models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Nan Zhou , Huiqun Wang , Yaoyan Zheng , Di Huang

In recent years, the graph partitioning problem gained importance as a mandatory preprocessing step for distributed graph processing on very large graphs. Existing graph partitioning algorithms minimize partitioning latency by assigning…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-31 Christian Mayer , Ruben Mayer , Muhammad Adnan Tariq , Heiko Geppert , Larissa Laich , Lukas Rieger , Kurt Rothermel

One of the main challenges in recommender systems is data sparsity which leads to high variance. Several attempts have been made to improve the bias-variance trade-off using auxiliary information. In particular, document modeling-based…

Information Retrieval · Computer Science 2021-09-14 Meysam Varasteh , Mehdi Soleiman Nejad , Hadi Moradi , Mohammad Amin Sadeghi , Ahmad Kalhor

Transitioning Multimodal Large Language Models (MLLMs) from offline to online streaming video understanding is essential for continuous perception. However, existing methods lack flexible adaptivity, leading to irreversible detail loss and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Kangcong Li , Peng Ye , Lin Zhang , Chao Wang , Huafeng Qin , Tao Chen

An important thread in the study of data-stream algorithms focuses on settings where stream items are active only for a limited time. We introduce a new expiration model, where each item arrives with its own expiration time. The special…

Data Structures and Algorithms · Computer Science 2025-09-10 Lotte Blank , Sergio Cabello , MohammadTaghi Hajiaghayi , Robert Krauthgamer , Sepideh Mahabadi , André Nusser , Jeff M. Phillips , Jonas Sauer

Argumentation Mining addresses the challenging tasks of identifying boundaries of argumentative text fragments and extracting their relationships. Fully automated solutions do not reach satisfactory accuracy due to their insufficient…

Computation and Language · Computer Science 2019-08-08 Fabian Sperrle , Rita Sevastjanova , Rebecca Kehlbeck , Mennatallah El-Assady

FlashAttention-style online softmax enables exact attention computation with linear memory by streaming score tiles through on-chip memory and maintaining a running maximum and normalizer. However, as attention kernels approach peak…

Machine Learning · Computer Science 2026-04-15 Yupeng Sun , Yanzhao Li , Zhiqiang Zou , Bai Du , Zhiyuan Zhang , Hui Dong , Gaoyige Fan , Hui Wang

We propose and experimentally evaluate a novel method that dynamically changes the contention window of access points based on system load to improve performance in a dense Wi-Fi deployment. A key feature is that no MAC protocol changes,…

Networking and Internet Architecture · Computer Science 2019-12-17 Thomas Sandholm , Bernardo Huberman , Belal Hamzeh , Scott Clearwater

With the rapid development of data-driven techniques, data has played an essential role in various computer vision tasks. Many realistic and synthetic datasets have been proposed to address different problems. However, there are lots of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Haocheng Ren , Hao Zhang , Jia Zheng , Jiaxiang Zheng , Rui Tang , Yuchi Huo , Hujun Bao , Rui Wang

This work develops techniques for the sequential detection and location estimation of transient changes in the volatility (standard deviation) of time series data. In particular, we introduce a class of change detection algorithms based on…

Systems and Control · Computer Science 2017-12-29 Alireza Ahrabian , Nazli Farajidavar , Clive Cheong-Took , Payam Barnaghi

With the rapid development of society and continuous advances in science and technology, the food industry increasingly demands higher production quality and efficiency. Food image classification plays a vital role in enabling automated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xinle Gao , Linghui Ye , Zhiyong Xiao

We consider the problem of tracking with small relative error an integer function $f(n)$ defined by a distributed update stream $f'(n)$. Existing streaming algorithms with worst-case guarantees for this problem assume $f(n)$ to be monotone;…

Data Structures and Algorithms · Computer Science 2015-02-26 David Felber , Rafail Ostrovsky

We introduce a new notion of information complexity for multi-pass streaming problems and use it to resolve several important questions in data streams. In the coin problem, one sees a stream of $n$ i.i.d. uniform bits and one would like to…

Computational Complexity · Computer Science 2024-04-01 Mark Braverman , Sumegha Garg , Qian Li , Shuo Wang , David P. Woodruff , Jiapeng Zhang

Efficiently supporting long context length is crucial for Transformer models. The quadratic complexity of the self-attention computation plagues traditional Transformers. Sliding window-based static sparse attention mitigates the problem by…

Hardware Architecture · Computer Science 2024-05-28 Zhenyu Bai , Pranav Dangi , Huize Li , Tulika Mitra

With the recent advancements in AI, Intelligent Virtual Assistants (IVA) have become a ubiquitous part of every home. Going forward, we are witnessing a confluence of vision, speech and dialog system technologies that are enabling the IVAs…

Computation and Language · Computer Science 2018-12-21 Shachi H Kumar , Eda Okur , Saurav Sahay , Juan Jose Alvarado Leanos , Jonathan Huang , Lama Nachman

Vision Transformers achieve impressive accuracy across a range of visual recognition tasks. Unfortunately, their accuracy frequently comes with high computational costs. This is a particular issue in video recognition, where models are…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Matthew Dutson , Yin Li , Mohit Gupta