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LLMs have shown remarkable capabilities, but precisely controlling their response behavior remains challenging. Existing activation steering methods alter LLM behavior indiscriminately, limiting their practical applicability in settings…

Modeling the evolutions of driving scenarios is important for the evaluation and decision-making of autonomous driving systems. Most existing methods focus on one aspect of scene evolution such as map generation, motion prediction, and…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Zixun Xie , Sicheng Zuo , Wenzhao Zheng , Yunpeng Zhang , Dalong Du , Jie Zhou , Jiwen Lu , Shanghang Zhang

Spiking Neural Networks (SNNs) are widely regarded as an energy-efficient paradigm for modeling and processing temporal and event-driven information. Incorporating delays in SNNs has been proven to be an effective mechanism for improving…

机器学习 · 计算机科学 2026-05-08 Dewei Bai , Hongxiang Peng , Yunyun Zeng , Ziyu Zhang , Hong Qu

Latent steering exploits internal representations of Large Language Models (LLMs) to guide generation, yet interventions on dense states can entangle distinct semantic features. In this paper, we investigate attention query activations as a…

机器学习 · 计算机科学 2026-05-25 Sumanta Bhattacharyya , Pedram Rooshenas

Centralized multimodal learning commonly compresses language, acoustic, and visual signals into a single fused representation for prediction. While effective, this paradigm suffers from two limitations: modality dominance, where…

Class-incremental learning (CIL) aims to continuously accumulate knowledge from a stream of tasks and construct a unified classifier over all seen classes. Although pretrained models (PTMs) have shown promising performance in CIL, they…

机器学习 · 计算机科学 2026-04-14 Linjie Li , Huiyu Xiao , Jiarui Cao , Zhenyu Wu , Yang Ji

Activation steering has emerged as a promising alternative for controlling language-model behavior at inference time by modifying intermediate representations while keeping model parameters frozen. However, large-scale evaluations such as…

计算与语言 · 计算机科学 2026-05-08 Zehao Jin , Ruixuan Deng , Junran Wang , Xinjie Shen , Chao Zhang

Classroom activity detection (CAD) focuses on accurately classifying whether the teacher or student is speaking and recording both the length of individual utterances during a class. A CAD solution helps teachers get instant feedback on…

音频与语音处理 · 电气工程与系统科学 2020-02-12 Hang Li , Yu Kang , Wenbiao Ding , Song Yang , Songfan Yang , Gale Yan Huang , Zitao Liu

Knowledge distillation (KD) is widely used for compressing a teacher model to reduce its inference cost and memory footprint, by training a smaller student model. However, current KD methods for auto-regressive sequence models suffer from…

Activation engineering is becoming increasingly popular as a means of online control of large language models (LLMs). In this work, we extend the idea of inference-time steering with vectors that represent a behavioral direction of interest…

机器学习 · 计算机科学 2024-11-26 Christopher M. Ackerman

Knowledge distillation (KD), a technique widely employed in computer vision, has emerged as a de facto standard for improving the performance of small neural networks. However, prevailing KD-based approaches in video tasks primarily focus…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Guiqin Wang , Peng Zhao , Yanjiang Shi , Cong Zhao , Shusen Yang

Large Language Models (LLMs), despite advances in instruction tuning, often fail to follow complex user instructions. Activation steering techniques aim to mitigate this by manipulating model internals, but have a potential risk of…

机器学习 · 计算机科学 2026-03-10 Minjae Kang , Jaehyung Kim

Measuring the in-context computational effort of language models is a key challenge, as metrics like next-token loss fail to capture reasoning complexity. Prior methods based on latent state compressibility can be invasive and unstable. We…

机器学习 · 计算机科学 2025-12-30 Vincent Herrmann , Eric Alcaide , Michael Wand , Jürgen Schmidhuber

Activation engineering enables precise control over Large Language Models (LLMs) without the computational cost of fine-tuning. However, existing methods deriving vectors from static activation differences are susceptible to…

机器学习 · 计算机科学 2026-03-16 Xinyan Jiang , Wenjing Yu , Di Wang , Lijie Hu

Knowledge Distillation (KD) is a strategy for the definition of a set of transferability gangways to improve the efficiency of Convolutional Neural Networks. Feature-based Knowledge Distillation is a subfield of KD that relies on…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós , Juan C. SanMiguel

Large models based on the Transformer architecture are susceptible to extreme-token phenomena, such as attention sinks and value-state drains. These issues, which degrade model performance, quantization fidelity, and interpretability, arise…

机器学习 · 计算机科学 2026-01-27 Rui Bu , Haofeng Zhong , Wenzheng Chen , Yangyan Li

Zero-shot Text-to-Speech (TTS) models can generate speech that captures both the voice timbre and accent of a reference speaker. However, disentangling these attributes remains challenging, as the output often inherits both the accent and…

音频与语音处理 · 电气工程与系统科学 2026-03-09 Mu Yang , John H. L. Hansen

Controlling multiple behavioral attributes in large language models (LLMs) at inference time is a challenging problem due to interference between attributes and the limitations of linear steering methods, which assume additive behavior in…

机器学习 · 计算机科学 2026-04-07 Narmeen Oozeer , Luke Marks , Shreyans Jain , Fazl Barez , Amirali Abdullah

Knowledge distillation (KD) is the de facto standard for compressing large-scale models into smaller ones. Prior works have explored ever more complex KD strategies involving different objective functions, teacher-ensembles, and weight…

The increasing capabilities of large generative models and their ever more widespread deployment have raised concerns about their reliability, safety, and potential misuse. To address these issues, recent works have proposed to control…

机器学习 · 计算机科学 2024-11-25 Pau Rodriguez , Arno Blaas , Michal Klein , Luca Zappella , Nicholas Apostoloff , Marco Cuturi , Xavier Suau