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Temporal Action Localization (TAL) task which is to predict the start and end of each action in a video along with the class label of the action has numerous applications in the real world. But due to the complexity of this task, acceptable…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Hassan Keshvarikhojasteh , Hoda Mohammadzade , Hamid Behroozi

This paper proposes a solution to the problem of smooth path planning for mobile robots in dynamic and unknown environments. A novel concept of Time-Warped Grid is introduced to predict the pose of obstacles in the environment and avoid…

机器人学 · 计算机科学 2019-03-19 Siavash Farzan , Guilherme N. DeSouza

Similarity measures for time series are important problems for time series classification. To handle the nonlinear time distortions, Dynamic Time Warping (DTW) has been widely used. However, DTW is not learnable and suffers from a trade-off…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Shinnosuke Matsuo , Xiaomeng Wu , Gantugs Atarsaikhan , Akisato Kimura , Kunio Kashino , Brian Kenji Iwana , Seiichi Uchida

Determining the position and orientation of a calibrated camera from a single image with respect to a 3D model is an essential task for many applications. When 2D-3D correspondences can be obtained reliably, perspective-n-point solvers can…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li , Stephen Gould

In this paper, we propose a method of improving temporal Convolutional Neural Networks (CNN) by determining the optimal alignment of weights and inputs using dynamic programming. Conventional CNN convolutions linearly match the shared…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Brian Kenji Iwana , Seiichi Uchida

We proposed a novel dense line spectrum super-resolution algorithm, the DMRA, that leverages dynamical multi-resolution of atoms technique to address the limitation of traditional compressed sensing methods when handling dense point-source…

信号处理 · 电气工程与系统科学 2024-09-04 Mingguang Han , Yi Zeng , Xiaoguang Li , Tiejun Li

Dexterous robotic manipulation remains a longstanding challenge in robotics due to the high dimensionality of control spaces and the semantic complexity of object interaction. In this paper, we propose an object affordance-guided…

Stiff dynamical systems present a challenge for machine-learning reduced-order models (ML-ROMs), as explicit time integration becomes unstable in stiff regimes while implicit integration within learning loops is computationally expensive…

机器学习 · 计算机科学 2026-03-19 Joe Standridge , Daniel Livescu , Paul Cizmas

Image Registration (IR) is the process of aligning two (or more) images of the same scene taken at different times, different viewpoints and/or by different sensors. It is an important, crucial step in various image analysis tasks where…

计算机视觉与模式识别 · 计算机科学 2017-11-21 Sarit Chicotay , Eli David , Nathan S. Netanyahu

Automatic recognition and classification of tasks in robotic surgery is an important stepping stone toward automated surgery and surgical training. Recently, technical breakthroughs in gathering data make data-driven model development…

机器人学 · 计算机科学 2017-08-01 Mehrdad J. Bani , Shoele Jamali

Although recent years have witnessed significant advancements in medical image segmentation, the pervasive issue of domain shift among medical images from diverse centres hinders the effective deployment of pre-trained models. Many…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ziyang Chen , Yiwen Ye , Yongsheng Pan , Yong Xia

Parameter-efficient fine-tuning methods such as LoRA enable efficient adaptation of large pretrained models but often fall short of full fine-tuning performance. Existing approaches focus on aligning parameter updates, which only indirectly…

机器学习 · 计算机科学 2026-04-01 Frédéric Zheng , Alexandre Proutière

Dynamic time warping (DTW) is a well-known algorithm for time series elastic dissimilarity measure. Its ability to deal with non-linear time distortions makes it helpful in variety of data mining tasks. Such a task is also anomaly detection…

机器学习 · 计算机科学 2023-10-05 Matej Kloska , Gabriela Grmanova , Viera Rozinajova

Dynamic time warping (DTW) can be used to compute the similarity between two sequences of generally differing length. We propose a modification to DTW that performs individual and independent pairwise alignment of feature trajectories. The…

声音 · 计算机科学 2018-10-31 Lerato Lerato , Thomas Niesler

We present Generalized LoRA (GLoRA), an advanced approach for universal parameter-efficient fine-tuning tasks. Enhancing Low-Rank Adaptation (LoRA), GLoRA employs a generalized prompt module to optimize pre-trained model weights and adjust…

机器学习 · 计算机科学 2023-10-17 Arnav Chavan , Zhuang Liu , Deepak Gupta , Eric Xing , Zhiqiang Shen

We address rotation averaging (RA) and its application to real-world 3D reconstruction. Local optimisation based approaches are the de facto choice, though they only guarantee a local optimum. Global optimisers ensure global optimality in…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Yu Chen , Ji Zhao , Laurent Kneip

Human demonstrations of trajectories are an important source of training data for many machine learning problems. However, the difficulty of collecting human demonstration data for complex tasks makes learning efficient representations of…

机器学习 · 计算机科学 2024-06-10 Travers Rhodes , Daniel D. Lee

Recent advancements in domain generalization for deepfake detection have attracted significant attention, with previous methods often incorporating additional modules to prevent overfitting to domain-specific patterns. However, such…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Lingyu Qiu , Ke Jiang , Xiaoyang Tan

The objective of pose SLAM or pose-graph optimization (PGO) is to estimate the trajectory of a robot given odometric and loop closing constraints. State-of-the-art iterative approaches typically involve the linearization of a non-convex…

机器人学 · 计算机科学 2022-03-01 Nikolaos Kourtzanidis , Sajad Saeedi

Chatter detection from sensor signals has been an active field of research. While some success has been reported using several featurization tools and machine learning algorithms, existing methods have several drawbacks such as manual…

信号处理 · 电气工程与系统科学 2019-08-06 Melih C. Yesilli , Firas A. Khasawneh , Andreas Otto