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Sparse Inertial Measurement Units (IMUs) based human motion capture has gained significant momentum, driven by the adaptation of fundamental AI tools such as recurrent neural networks (RNNs) and transformers that are tailored for temporal…

Graphics · Computer Science 2025-12-01 Zhaorui Meng , Lu Yin , Yangqing Hou , Anjun Chen , Shihui Guo , Yipeng Qin

Inadequate bounding box modeling in regression tasks constrains the performance of one-stage 3D object detection. Our study reveals that the primary reason lies in two aspects: (1) The limited center-offset prediction seriously impairs the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Weiping Xiao , Yiqiang Wu , Chang Liu , Yu Qin , Xiaomao Li , Liming Xin

We propose Unity Smoothing (US) for handling inconsistencies between a Bayesian network model and new unseen observations. We show that prediction accuracy, using the junction tree algorithm with US is comparable to that of Laplace…

Machine Learning · Computer Science 2022-01-24 Mads Lindskou , Torben Tvedebrink , Poul Svante Eriksen , Søren Højsgaard , Niels Morling

Object grasping is a crucial technology enabling robots to perceive and interact with the environment sufficiently. However, in practical applications, researchers are faced with missing or noisy ground truth while training the…

Robotics · Computer Science 2024-09-10 Yangfan Deng , Mengyao Zhang , Yong Zhao

Optimization over the Stiefel manifold $\mathrm{St}(p,d)$, the set of $p \times d$ column-orthonormal matrices, is fundamental in statistics, machine learning, and scientific computing, yet remains challenging in the presence of non-convex,…

Optimization and Control · Mathematics 2026-05-07 Beomchang Kim , Subhrajyoty Roy , Priyam Das

Large-scale object detection datasets (e.g., MS-COCO) try to define the ground truth bounding boxes as clear as possible. However, we observe that ambiguities are still introduced when labeling the bounding boxes. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Yihui He , Chenchen Zhu , Jianren Wang , Marios Savvides , Xiangyu Zhang

Out-of-distribution (OOD) detection is crucial for the deployment of machine learning models in the open world. While existing OOD detectors are effective in identifying OOD samples that deviate significantly from in-distribution (ID) data,…

Machine Learning · Computer Science 2024-12-10 Hao Fu , Prashanth Krishnamurthy , Siddharth Garg , Farshad Khorrami

Learning similarity functions between image pairs with deep neural networks yields highly correlated activations of embeddings. In this work, we show how to improve the robustness of such embeddings by exploiting the independence within…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Michael Opitz , Georg Waltner , Horst Possegger , Horst Bischof

Object proposals greatly benefit object detection task in recent state-of-the-art works. However, the existing object proposals usually have low localization accuracy at high intersection over union threshold. To address it, we apply…

Computer Vision and Pattern Recognition · Computer Science 2016-10-18 Shuhan Chen , Jindong Li , Xuelong Hu , Ping Zhou

Single-stage object detectors have been widely applied in computer vision applications due to their high efficiency. However, we find that the loss functions adopted by single-stage object detectors hurt the localization accuracy seriously.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Shengkai Wu , Jinrong Yang , Xinggang Wang , Xiaoping Li

Despite substantial progress in promoting fairness in high-stake applications using machine learning models, existing methods often modify the training process, such as through regularizers or other interventions, but lack formal guarantees…

Machine Learning · Computer Science 2025-06-10 Firas Laakom , Haobo Chen , Jürgen Schmidhuber , Yuheng Bu

Neural network ensembles, such as Bayesian neural networks (BNNs), have shown success in the areas of uncertainty estimation and robustness. However, a crucial challenge prohibits their use in practice. BNNs require a large number of…

Machine Learning · Computer Science 2022-07-15 Namuk Park , Songkuk Kim

The combination of LiDAR and camera modalities is proven to be necessary and typical for 3D object detection according to recent studies. Existing fusion strategies tend to overly rely on the LiDAR modal in essence, which exploits the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Yang Yang , Weijie Ma , Hao Chen , Linlin Ou , Xinyi Yu

We present a novel method for inferring ground-truth signal from multiple degraded signals, affected by different amounts of sensor exposure. The algorithm learns a multiplicative degradation effect by performing iterative corrections of…

Machine Learning · Computer Science 2020-09-08 Luka Kolar , Rok Šikonja , Lenart Treven

Many loss functions have been derived from cross-entropy loss functions such as large-margin softmax loss and focal loss. The large-margin softmax loss makes the classification more rigorous and prevents overfitting. The focal loss…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Jiajie Chen

Inertial odometry (IO) leverages inertial measurement unit (IMU) signals for cost-effective localization. However, high IMU sampling rates introduce substantial redundancy that impedes IO's ability to attend to salient components, thereby…

Robotics · Computer Science 2025-10-17 Shanshan Zhang , Qi Zhang , Siyue Wang , Liqin Wu , Tianshui Wen , Ziheng Zhou , Ao Peng , Xuemin Hong , Lingxiang Zheng , Yu Yang

Artificial Intelligence (AI)-driven defect inspection is pivotal in industrial manufacturing. Yet, many methods, tailored to specific pipelines, grapple with diverse product portfolios and evolving processes. Addressing this, we present the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jiaqi Tang , Hao Lu , Xiaogang Xu , Ruizheng Wu , Sixing Hu , Tong Zhang , Tsz Wa Cheng , Ming Ge , Ying-Cong Chen , Fugee Tsung

In this paper, we present an Intersection-over-Union (IoU) guided two-stage 3D object detector with a voxel-to-point decoder. To preserve the necessary information from all raw points and maintain the high box recall in voxel based Region…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Jiale Li , Hang Dai , Ling Shao , Yong Ding

This paper introduces Generalized Mask-aware Intersection-over-Union (GmaIoU) as a new measure for positive-negative assignment of anchor boxes during training of instance segmentation methods. Unlike conventional IoU measure or its…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Barış Can Çam , Kemal Öksüz , Fehmi Kahraman , Zeynep Sonat Baltacı , Sinan Kalkan , Emre Akbaş

Sensor fusion is a fundamental process in robotic systems as it extends the perceptual range and increases robustness in real-world operations. Current multi-sensor deep learning based semantic segmentation approaches do not provide…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Hermann Blum , Abel Gawel , Roland Siegwart , Cesar Cadena
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