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Memory units have been widely used to enrich the capabilities of deep networks on capturing long-term dependencies in reasoning and prediction tasks, but little investigation exists on deep generative models (DGMs) which are good at…

Machine Learning · Computer Science 2016-05-31 Chongxuan Li , Jun Zhu , Bo Zhang

Point cloud registration for 3D objects is a challenging task due to sparse and noisy measurements, incomplete observations and large transformations. In this work, we propose \textbf{G}raph \textbf{M}atching \textbf{C}onsensus…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Liang Pan , Zhongang Cai , Ziwei Liu

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

Multiple change point (MCP) detection in non-stationary time series is challenging due to the variety of underlying patterns. To address these challenges, we propose a novel algorithm that integrates Active Learning (AL) with Deep Gaussian…

Machine Learning · Computer Science 2025-05-28 Hao Zhao , Rong Pan

The problem of identifying change points in high-dimensional Gaussian graphical models (GGMs) in an online fashion is of interest, due to new applications in biology, economics and social sciences. The offline version of the problem, where…

Statistics Theory · Mathematics 2020-03-18 Hossein Keshavarz , George Michailidis

Prior works have investigated the use of articulatory features as complementary representations for automatic speech recognition (ASR), but their use was largely confined to shallow acoustic models. In this work, we revisit articulatory…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-13 Ahmed Adel Attia , Jing Liu , Carol Espy Wilson

Prevalent semantic segmentation solutions are, in essence, a dense discriminative classifier of p(class|pixel feature). Though straightforward, this de facto paradigm neglects the underlying data distribution p(pixel feature|class), and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Chen Liang , Wenguan Wang , Jiaxu Miao , Yi Yang

Current deep-learning-based registration algorithms often exploit intensity-based similarity measures as the loss function, where dense correspondence between a pair of moving and fixed images is optimized through backpropagation during…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Xinzhe Luo , Xiahai Zhuang

Point set registration is an essential step in many computer vision applications, such as 3D reconstruction and SLAM. Although there exist many registration algorithms for different purposes, however, this topic is still challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Jin Zhang , Mingyang Zhao , Xin Jiang , Dong-Ming Yan

Deep learning has achieved remarkable success in medical image analysis, however its adoption in clinical practice is limited by a lack of interpretability. These models often make correct predictions without explaining their reasoning.…

Image and Video Processing · Electrical Eng. & Systems 2025-10-03 Jhonatan Contreras , Thomas Bocklitz

Free Point Transformer (FPT) has been proposed as a data-driven, non-rigid point set registration approach using deep neural networks. As FPT does not assume constraints based on point vicinity or correspondence, it may be trained simply…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Zachary MC Baum , Tamas Ungi , Christopher Schlenger , Yipeng Hu , Dean C Barratt

Current data-driven methodologies for point cloud matching demand extensive training time and computational resources, presenting significant challenges for model deployment and application. In the point cloud matching task, recent…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Alessandro Riva , Alessandro Raganato , Simone Melzi

In the rapidly evolving field of e-commerce, the effectiveness of search re-ranking models is crucial for enhancing user experience and driving conversion rates. Despite significant advancements in feature representation and model…

Information Retrieval · Computer Science 2024-08-13 Enqiang Xu , Xinhui Li , Zhigong Zhou , Jiahao Ji , Jinyuan Zhao , Dadong Miao , Songlin Wang , Lin Liu , Sulong Xu

Probabilistic methods for point set registration have interesting theoretical properties, such as linear complexity in the number of used points, and they easily generalize to joint registration of multiple point sets. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Felix Järemo Lawin , Per-Erik Forssén

In Automatic Speech Recognition, GMM-HMM had been widely used for acoustic modelling. With the current advancement of deep learning, the Gaussian Mixture Model (GMM) from acoustic models has been replaced with Deep Neural Network, namely…

Machine Learning · Computer Science 2022-03-28 Siddhesh Singh

Point cloud registration aligns 3D point clouds using spatial transformations. It is an important task in computer vision, with applications in areas such as augmented reality (AR) and medical imaging. This work explores the intersection of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Maximilian Weber , Daniel Wild , Jens Kleesiek , Jan Egger , Christina Gsaxner

Real-time registration of partially overlapping point clouds has emerging applications in cooperative perception for autonomous vehicles and multi-agent SLAM. The relative translation between point clouds in these applications is higher…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Eduardo Arnold , Sajjad Mozaffari , Mehrdad Dianati

Deep learning-based medical image registration and segmentation joint models utilize the complementarity (augmentation data or weakly supervised data from registration, region constraints from segmentation) to bring mutual improvement in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yuting He , Tiantian Li , Guanyu Yang , Youyong Kong , Yang Chen , Huazhong Shu , Jean-Louis Coatrieux , Jean-Louis Dillenseger , Shuo Li

The recent emergence of deep learning has led to a great deal of work on designing supervised deep semantic segmentation algorithms. As in many tasks sufficient pixel-level labels are very difficult to obtain, we propose a method which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Matthias Schwab , Agnes Mayr , Markus Haltmeier

This paper proposes a novel method for deep learning based on the analytical convolution of multidimensional Gaussian mixtures. In contrast to tensors, these do not suffer from the curse of dimensionality and allow for a compact…

Machine Learning · Computer Science 2022-02-21 Adam Celarek , Pedro Hermosilla , Bernhard Kerbl , Timo Ropinski , Michael Wimmer