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On-policy knowledge distillation (OPD) trains a student on its own rollouts under token-level supervision from a teacher. Not all token positions matter equally, but existing views of token importance are incomplete. We ask a direct…

机器学习 · 计算机科学 2026-05-22 Yuanda Xu , Hejian Sang , Zhengze Zhou , Ran He , Zhipeng Wang , Alborz Geramifard

Speculative decoding accelerates large language model (LLM) inference by using a small draft model to propose candidate tokens that a larger target model verifies. A critical hyperparameter in this process is the speculation length…

机器学习 · 计算机科学 2026-05-06 Shikhar Shukla

The growing size of Large Language Models (LLMs) makes efficient inference challenging, primarily due to the memory demands of the autoregressive Key-Value (KV) cache. Existing eviction or compression methods reduce cost but rely on…

计算与语言 · 计算机科学 2026-02-12 Luca Moschella , Laura Manduchi , Ozan Sener

The large size and complex decision mechanisms of state-of-the-art text classifiers make it difficult for humans to understand their predictions, leading to a potential lack of trust by the users. These issues have led to the adoption of…

There are two main approaches in compressed sensing: the geometric approach and the combinatorial approach. In this paper we introduce an information theoretic approach and use results from the theory of Huffman codes to construct a…

信息论 · 计算机科学 2009-06-26 Akram Aldroubi , Haichao Wang , Kourosh Zarringhalam

Image registration is an ill-posed dense vision task, where multiple solutions achieve similar loss values, motivating probabilistic inference. Variational inference has previously been employed to capture these distributions, however…

图像与视频处理 · 电气工程与系统科学 2026-03-19 Ivor J. A. Simpson , Neill D. F. Campbell

The most popular methods for measuring importance of the variables in a black box prediction algorithm make use of synthetic inputs that combine predictor variables from multiple subjects. These inputs can be unlikely, physically…

机器学习 · 计算机科学 2023-04-14 Masayoshi Mase , Art B. Owen , Benjamin B. Seiler

We propose a novel supervised learning approach for political ideology prediction (PIP) that is capable of predicting out-of-distribution inputs. This problem is motivated by the fact that manual data-labeling is expensive, while…

机器学习 · 计算机科学 2023-02-02 Chen Chen , Dylan Walker , Venkatesh Saligrama

The Key-Value (KV) cache is the primary memory bottleneck in long-context Large Language Models, yet it is typically treated as an opaque numerical tensor. In this work, we propose \textbf{STA-Attention}, a framework that utilizes Top-K…

Sparse attention improves LLM inference efficiency by selecting a subset of key-value entries, but at the cost of potential accuracy degradation. In particular, omitting critical KV entries can induce substantial errors in model outputs.…

机器学习 · 计算机科学 2026-05-12 Mohsen Dehghankar , Abolfazl Asudeh

Deep learning models for complex-valued Synthetic Aperture Radar (CV-SAR) image recognition are fundamentally constrained by a representation trilemma under data-limited and domain-shift scenarios: the concurrent, yet conflicting,…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Haodong Yang , Zhongling Huang , Shaojie Guo , Zhe Zhang , Gong Cheng , Junwei Han

Standard Transformer attention uses identical dimensionality for queries, keys, and values, yet these components serve different roles: queries and keys produce scalar attention weights (selection), while values carry rich representations…

机器学习 · 计算机科学 2026-03-31 Hengshuai Yao , Xing Chen , Ahmed Murtadha , Guan Wang

Key-value (KV) caching has become the de-facto to accelerate generation speed for large language models (LLMs) inference. However, the growing cache demand with increasing sequence length has transformed LLM inference to be a memory bound…

机器学习 · 计算机科学 2024-10-02 Hao Kang , Qingru Zhang , Souvik Kundu , Geonhwa Jeong , Zaoxing Liu , Tushar Krishna , Tuo Zhao

Generative recommendation systems typically leverage Semantic Identifiers (SIDs), which represent each item as a sequence of tokens that encode semantic information. However, representing item ID with multiple SIDs significantly increases…

信息检索 · 计算机科学 2026-01-27 Tianyu Zhan , Kairui Fu , Zheqi Lv , Shengyu Zhang

Multimodal large language models (MLLMs) have recently demonstrated strong capabilities in understanding and generating responses from diverse visual inputs, including high-resolution images and long video sequences. As these models scale…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Junwan Kim , Hyunkyung Bae

Selective attention helps us focus on task-relevant aspects in the constant flood of our sensory input. This constraint in our perception allows us to robustly generalize under distractions and to new compositions of perceivable concepts.…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Ankit Vani , Bac Nguyen , Samuel Lavoie , Ranjay Krishna , Aaron Courville

Variable importance plays a pivotal role in interpretable machine learning as it helps measure the impact of factors on the output of the prediction model. Model agnostic methods based on the generation of "null" features via permutation…

Visual imagery does not consist of solitary objects, but instead reflects the composition of a multitude of fluid concepts. While there have been great advances in visual representation learning, such advances have focused on building…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Austin Stone , Hagen Soltau , Robert Geirhos , Xi Yi , Ye Xia , Bingyi Cao , Kaifeng Chen , Abhijit Ogale , Jonathon Shlens

Long-running agentic tasks, such as deep research, require multi-hop reasoning over information distributed across multiple webpages and documents. In such tasks, the LLM context is dominated by tokens from external retrieval, causing…

人工智能 · 计算机科学 2026-03-03 Sanjay Kariyappa , G. Edward Suh

Single-frame Infrared Small Target Detection (ISTD) aims to localize weak targets under heavy background clutter, yet dense pixel-wise annotations are expensive. Point supervision with online label evolution reduces annotation cost;…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Yuanhang Yao , Ping Qian , Zhu Liu , Long Ma , Weimin Wang