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Many super-resolution (SR) algorithms have been proposed to increase image resolution. However, full-reference (FR) image quality assessment (IQA) metrics for comparing and evaluating different SR algorithms are limited. In this work, we…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Yixiao Li , Xiaoyuan Yang , Guanghui Yue , Jun Fu , Qiuping Jiang , Xu Jia , Paul L. Rosin , Hantao Liu , Wei Zhou

The original softmax-based attention mechanism (regular attention) in the extremely successful Transformer architecture computes attention between $N$ tokens, each embedded in a $D$-dimensional head, with a time complexity of $O(N^2D)$.…

机器学习 · 计算机科学 2025-10-28 Armin Gerami , Ramani Duraiswami

Driver gaze estimation serves as a fundamental metric for evaluating driver attentiveness in modern monitoring systems. Beyond being vulnerable to sudden lighting changes and sensor noise, spatial-domain models struggle to disentangle…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jun Ma , Zhenye Yang , Ruichen Zhou , Pei Zhang , Huan Li , Jinpeng Chen

Attention is the critical component of a transformer. Yet the quadratic computational complexity of vanilla full attention in the input size and the inability of its linear attention variant to focus have been challenges for computer vision…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Nhat Thanh Tran , Fanghui Xue , Shuai Zhang , Jiancheng Lyu , Yunling Zheng , Yingyong Qi , Jack Xin

Audio deepfake detection has become increasingly challenging due to rapid advances in speech synthesis and voice conversion technologies, particularly under channel distortions, replay attacks, and real-world recording conditions. This…

音频与语音处理 · 电气工程与系统科学 2026-01-13 K. A. Shahriar

Large vision-language models (LVLMs) are powerful, yet they remain unreliable due to object hallucinations. In this work, we show that in many hallucinatory predictions the LVLM effectively ignores the image and instead relies on previously…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Nhat Hoang-Xuan , Minh Vu , My T. Thai , Manish Bhattarai

Apart from the high accuracy of machine learning models, what interests many researchers in real-life problems (e.g., fraud detection, credit scoring) is to find hidden patterns in data; particularly when dealing with their challenging…

Attention mechanisms, primarily designed to capture pairwise correlations between words, have become the backbone of machine learning, expanding beyond natural language processing into other domains. This growth in adaptation comes at the…

机器学习 · 计算机科学 2022-09-27 Sheng-Chun Kao , Suvinay Subramanian , Gaurav Agrawal , Amir Yazdanbakhsh , Tushar Krishna

In recent advancements in audio self-supervised representation learning, the standard Transformer architecture has emerged as the predominant approach, yet its attention mechanism often allocates a portion of attention weights to irrelevant…

声音 · 计算机科学 2025-07-04 Junyu Wang , Tianrui Wang , Meng Ge , Longbiao Wang , Jianwu Dang

Transformers have become the foundation of numerous state-of-the-art AI models across diverse domains, thanks to their powerful attention mechanism for modeling long-range dependencies. However, the quadratic scaling complexity of attention…

硬件体系结构 · 计算机科学 2026-01-29 Zhenkun Fan , Zishen Wan , Che-Kai Liu , Ashwin Sanjay Lele , Win-San Khwa , Bo Zhang , Meng-Fan Chang , Arijit Raychowdhury

Attention mechanisms underpin the success of large language models (LLMs), yet their substantial computational and memory overhead poses challenges for optimizing efficiency and performance. A critical bottleneck arises as KV cache and…

计算与语言 · 计算机科学 2025-07-24 Luoyang Sun , Cheng Deng , Jiwen Jiang , Xinjian Wu , Haifeng Zhang , Lei Chen , Lionel Ni , Jun Wang

Leveraging Transformer attention has led to great advancements in HDR deghosting. However, the intricate nature of self-attention introduces practical challenges, as existing state-of-the-art methods often demand high-end GPUs or exhibit…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Xiaoning Liu , Ao Li , Zongwei Wu , Yapeng Du , Le Zhang , Yulun Zhang , Radu Timofte , Ce Zhu

Cross-attention is a core mechanism in encoder-decoder architectures, widespread in many fields, including speech-to-text (S2T) processing. Its scores have been repurposed for various downstream applications--such as timestamp estimation…

计算与语言 · 计算机科学 2025-09-23 Sara Papi , Dennis Fucci , Marco Gaido , Matteo Negri , Luisa Bentivogli

While Transformer architecture excel at modeling long-range dependencies contributing to its widespread adoption in vision tasks the quadratic complexity of softmax-based attention mechanisms imposes a major bottleneck, particularly when…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Yuan Cao , Dong Wang

The increasing demand for long-context modeling in large language models (LLMs) is bottlenecked by the quadratic complexity of the standard self-attention mechanism. The community has proposed sparse attention to mitigate this issue.…

人工智能 · 计算机科学 2025-11-18 Jingze Shi , Yifan Wu , Yiran Peng , Bingheng Wu , Liangdong Wang , Guang Liu , Yuyu Luo

Large language models (LLMs) enhanced with retrieval-augmented generation (RAG) have introduced a new paradigm for web search. However, the limited context awareness of LLMs degrades their performance on RAG tasks. Existing methods to…

计算与语言 · 计算机科学 2024-10-08 Tao Tan , Yining Qian , Ang Lv , Hongzhan Lin , Songhao Wu , Yongbo Wang , Feng Wang , Jingtong Wu , Xin Lu , Rui Yan

The inherent heavy computation of deep neural networks prevents their widespread applications. A widely used method for accelerating model inference is quantization, by replacing the input operands of a network using fixed-point values.…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Hongwei Xie , Shuo Zhang , Huanghao Ding , Yafei Song , Baitao Shao , Conggang Hu , Ling Cai , Mingyang Li

The attention mechanism within the transformer architecture enables the model to weigh and combine tokens based on their relevance to the query. While self-attention has enjoyed major success, it notably treats all queries $q$ in the same…

机器学习 · 计算机科学 2024-11-21 Xuechen Zhang , Xiangyu Chang , Mingchen Li , Amit Roy-Chowdhury , Jiasi Chen , Samet Oymak

Modern sequence modeling is dominated by two families: Transformers, whose self-attention can access arbitrary elements of the visible sequence, and structured state-space models, which propagate information through an explicit recurrent…

机器学习 · 计算机科学 2026-04-22 Liubomyr Horbatko

Attention--or attribution--maps methods are methods designed to highlight regions of the model's input that were discriminative for its predictions. However, different attention maps methods can highlight different regions of the input,…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Ali Mirzazadeh , Florian Dubost , Maxwell Pike , Krish Maniar , Max Zuo , Christopher Lee-Messer , Daniel Rubin