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Deepfake detection models face two critical challenges: generalization to unseen manipulations and demographic fairness among population groups. However, existing approaches often demonstrate that these two objectives are inherently…

机器学习 · 计算机科学 2025-07-04 Harry Cheng , Ming-Hui Liu , Yangyang Guo , Tianyi Wang , Liqiang Nie , Mohan Kankanhalli

Recent advancements in diffusion models have revolutionized generative modeling. However, the impressive and vivid outputs they produce often come at the cost of significant model scaling and increased computational demands. Consequently,…

机器学习 · 计算机科学 2025-04-03 Jincheng Zhong , Xiangcheng Zhang , Jianmin Wang , Mingsheng Long

The ability to classify images is dependent on having access to large labeled datasets and testing on data from the same domain that the model can train on. Classification becomes more challenging when dealing with new data from a different…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Firas Al-Hindawi , Md Mahfuzur Rahman Siddiquee , Teresa Wu , Han Hu , Ying Sun

The ability to manipulate objects in a desired configurations is a fundamental requirement for robots to complete various practical applications. While certain goals can be achieved by picking and placing the objects of interest directly,…

机器人学 · 计算机科学 2023-09-18 Utkarsh A. Mishra , Yongxin Chen

Steering vectors (SVs) have been proposed as an effective approach to adjust language model behaviour at inference time by intervening on intermediate model activations. They have shown promise in terms of improving both capabilities and…

Large language models (LLMs) often exhibit undesirable behaviors, such as safety violations and hallucinations. Although inference-time steering offers a cost-effective way to adjust model behavior without updating its parameters, existing…

机器学习 · 计算机科学 2026-04-20 Zixuan Weng , Jinghuai Zhang , Kunlin Cai , Ying Li , Peiran Wang , Yuan Tian

In this work we propose a deep adaptive sampling (DAS) method for solving partial differential equations (PDEs), where deep neural networks are utilized to approximate the solutions of PDEs and deep generative models are employed to…

数值分析 · 数学 2022-07-06 Kejun Tang , Xiaoliang Wan , Chao Yang

Deep neural networks are behind many of the recent successes in machine learning applications. However, these models can produce overconfident decisions while encountering out-of-distribution (OOD) examples or making a wrong prediction.…

机器学习 · 计算机科学 2021-06-24 Navid Kardan , Ankit Sharma , Kenneth O. Stanley

Activation steering, or representation engineering, offers a lightweight approach to align large language models (LLMs) by manipulating their internal activations at inference time. However, current methods suffer from two key limitations:…

Imagine experiencing a crash as the passenger of an autonomous vehicle. Wouldn't you want to know why it happened? Current end-to-end optimizable deep neural networks (DNNs) in 3D detection, multi-object tracking, and motion forecasting…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Benjamin Thérien , Krzysztof Czarnecki

Vehicle platooning has been a promising solution for improving traffic efficiency and throughput. However, a failure in a single vehicle, including communication loss with neighboring vehicles, can significantly disrupt platoon performance…

系统与控制 · 电气工程与系统科学 2025-04-30 Farid Mafi , Mohammad Pirani

In trajectory optimization, Model Predictive Path Integral (MPPI) control is a sampling-based Model Predictive Control (MPC) framework that generates optimal inputs by efficiently simulating numerous trajectories. In practice, however, MPPI…

系统与控制 · 电气工程与系统科学 2025-02-21 Fanxin Wang , Yikun Cheng , Chuyuan Tao

Enhancing the performance of trajectory planners for lane - changing vehicles is one of the key challenges in autonomous driving within human - machine mixed traffic. Most existing studies have not incorporated human drivers' prior…

机器人学 · 计算机科学 2025-12-23 Cailin Lei , Haiyang Wu , Yuxiong Ji , Xiaoyu Cai , Yuchuan Du

General aviation fault diagnosis and efficient maintenance are critical to flight safety; however, deploying deep learning models on resource-constrained edge devices poses dual challenges in computational capacity and interpretability.…

人工智能 · 计算机科学 2026-04-03 Zhihuan Wei , Xinhang Chen , Danyang Han , Yang Hu , Jie Liu , Xuewen Miao , Guijiang Li

Steering, or direct manipulation of internal activations to guide LLM responses toward specific semantic concepts, is emerging as a promising avenue for both understanding how semantic concepts are stored within LLMs and advancing LLM…

机器学习 · 计算机科学 2026-02-03 Parmida Davarmanesh , Ashia Wilson , Adityanarayanan Radhakrishnan

Advanced Driver Assistance Systems (ADAS) improve driving safety significantly. They alert drivers from unsafe traffic conditions when a dangerous maneuver appears. Traditional methods to predict driving maneuvers are mostly based on…

人工智能 · 计算机科学 2018-05-09 Dong Zhou , Huimin Ma , Yuhan Dong

Domain adaptation (DA) aims to generalize a learning model across training and testing data despite the mismatch of their data distributions. In light of a theoretical estimation of upper error bound, we argue in this paper that an…

计算机视觉与模式识别 · 计算机科学 2018-01-01 Lingkun Luo , Liming Chen , Shiqiang Hu , Ying Lu , Xiaofang Wang

\textit{Differentiable ARchiTecture Search} (DARTS) has recently become the mainstream of neural architecture search (NAS) due to its efficiency and simplicity. With a gradient-based bi-level optimization, DARTS alternately optimizes the…

机器学习 · 计算机科学 2021-06-22 Miao Zhang , Steven Su , Shirui Pan , Xiaojun Chang , Ehsan Abbasnejad , Reza Haffari

Domain adaptation (DA) is a technique that transfers predictive models trained on a labeled source domain to an unlabeled target domain, with the core difficulty of resolving distributional shift between domains. Currently, most popular DA…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Bo Li , Yezhen Wang , Tong Che , Shanghang Zhang , Sicheng Zhao , Pengfei Xu , Wei Zhou , Yoshua Bengio , Kurt Keutzer

Diffusion models (DMs) have become the leading choice for generative tasks across diverse domains. However, their reliance on multiple sequential forward passes significantly limits real-time performance. Previous acceleration methods have…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Ziming Liu , Yifan Yang , Chengruidong Zhang , Yiqi Zhang , Lili Qiu , Yang You , Yuqing Yang