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Training language models to produce both correct answers and sound reasoning remains an open challenge. Reinforcement learning with verifiable rewards typically optimizes only final outcomes, which can lead to a failure mode where task…

Computation and Language · Computer Science 2026-05-14 Kyuyoung Kim , Kevin Wang , Yunfei Xie , Peiyang Xu , Peiyao Sheng , Chen Wei , Zhangyang Wang , Jinwoo Shin , Pramod Viswanath , Sewoong Oh

Inference-time scaling for LLM reasoning has focused on three axes: chain depth, sample breadth, and learned step-scorers (PRMs). We introduce a fourth axis, granularity of external verbal supervision, via Verbal Process Supervision (VPS),…

Computation and Language · Computer Science 2026-04-24 Hao-Yuan Chen

Video Large Language Models (VideoLLMs) face a critical bottleneck: increasing the number of input frames to capture fine-grained temporal detail leads to prohibitive computational costs and performance degradation from long context…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Hyungjin Chung , Hyelin Nam , Jiyeon Kim , Hyojun Go , Byeongjun Park , Junho Kim , Joonseok Lee , Seongsu Ha , Byung-Hoon Kim

Large foundation models have emerged in the last years and are pushing performance boundaries for a variety of tasks. Training or even finetuning such models demands vast datasets and computational resources, which are often scarce and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Leo Fillioux , Enzo Ferrante , Paul-Henry Cournède , Maria Vakalopoulou , Stergios Christodoulidis

We introduce a hybrid methodology that synergistically combines weak value amplification (WVA) and deep learning to suppress the limiting effects of residual timing jitter in pump-probe interferometry, achieved through simulations of…

Optics · Physics 2025-11-18 Jing-Hui Huang , Xiang-Yun Hu

Large-scale pre-trained transformers have demonstrated remarkable success in various computer vision tasks. However, it is still highly challenging to fully fine-tune these models for downstream tasks due to their high computational and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Zhao Song , Ke Yang , Naiyang Guan , Junjie Zhu , Peng Qiao , Qingyong Hu

Recent works have shown that powerful pre-trained language models (PLM) can be fooled by small perturbations or intentional attacks. To solve this issue, various data augmentation techniques are proposed to improve the robustness of PLMs.…

Computation and Language · Computer Science 2021-09-14 Kun Zhou , Wayne Xin Zhao , Sirui Wang , Fuzheng Zhang , Wei Wu , Ji-Rong Wen

Weak-value amplification (WVA) has recently become an important technique for parameter estimation, owing to its ability to enhance the signal-to-noise ratio by amplifying extremely small signals with proper postselection strategies. In…

Quantum Physics · Physics 2018-03-28 Fei Li , Jingzheng Huang , Guihua Zeng

Time-varying parameter (TVP) models have the potential to be over-parameterized, particularly when the number of variables in the model is large. Global-local priors are increasingly used to induce shrinkage in such models. But the…

Econometrics · Economics 2019-12-18 Florian Huber , Gary Koop , Luca Onorante

Visual prompting has gained popularity as a method for adapting pre-trained models to specific tasks, particularly in the realm of parameter-efficient tuning. However, existing visual prompting techniques often pad the prompt parameters…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Can Jin , Ying Li , Mingyu Zhao , Shiyu Zhao , Zhenting Wang , Xiaoxiao He , Ligong Han , Tong Che , Dimitris N. Metaxas

In contrast to the fixed parameter analysis (FPA), in the variable parameter analysis (VPA) the value of the target problem parameter is not fixed, it rather depends on the structure of a given problem instance and tends to have a favorable…

Data Structures and Algorithms · Computer Science 2022-11-07 Nodari Vakhania

Visual Speech Recognition (VSR) aims to infer speech into text depending on lip movements alone. As it focuses on visual information to model the speech, its performance is inherently sensitive to personal lip appearances and movements, and…

Computation and Language · Computer Science 2024-10-21 Minsu Kim , Hyung-Il Kim , Yong Man Ro

Parameters of a virtual synchronous machine in a small microgrid are optimised. The dynamical behaviour of the system is simulated after a perturbation, where the system needs to return to its steady state. The cost functional evaluates the…

Optimization and Control · Mathematics 2017-03-07 Timo Dewenter , Wiebke Heins , Benjamin Werther , Alexander K. Hartmann , Christian Bohn , Hans-Peter Beck

We study the problem of estimating a temporally varying coefficient and varying structure (VCVS) graphical model underlying nonstationary time series data, such as social states of interacting individuals or microarray expression profiles…

Machine Learning · Statistics 2010-12-21 Mladen Kolar , Eric P. Xing

The theory of representation learning aims to build methods that provably invert the data generating process with minimal domain knowledge or any source of supervision. Most prior approaches require strong distributional assumptions on the…

Machine Learning · Computer Science 2022-06-03 Kartik Ahuja , Jason Hartford , Yoshua Bengio

Large-scale pre-trained language models have achieved impressive results on a wide range of downstream tasks recently. However, fine-tuning an extremely large-scale pre-trained language model on limited target datasets is often plagued by…

Computation and Language · Computer Science 2022-11-04 Haojie Zhang , Ge Li , Jia Li , Zhongjin Zhang , Yuqi Zhu , Zhi Jin

Variational Quantum Linear Solvers (VQLS) are a promising method for solving linear systems on near-term quantum devices. However, their performance is often limited by barren plateaus and inefficient parameter initialization, which…

Quantum Physics · Physics 2025-12-05 Youla Yang

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

Foundation models and their checkpoints have significantly advanced deep learning, boosting performance across various applications. However, fine-tuned models often struggle outside their specific domains and exhibit considerable…

In computer vision, Visual Prompting (VP) and Visual Prompt Tuning (VPT) have recently emerged as lightweight and effective alternatives to full fine-tuning for adapting large-scale vision models within the "pretrain-then-finetune"…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Xi Xiao , Yunbei Zhang , Lin Zhao , Yiyang Liu , Xiaoying Liao , Zheda Mai , Xingjian Li , Xiao Wang , Hao Xu , Jihun Hamm , Xue Lin , Min Xu , Qifan Wang , Tianyang Wang , Cheng Han
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