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Image guided depth completion aims to recover per-pixel dense depth maps from sparse depth measurements with the help of aligned color images, which has a wide range of applications from robotics to autonomous driving. However, the 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Xin Liu , Xiaofei Shao , Bo Wang , Yali Li , Shengjin Wang

Conditional correlation networks, within Gaussian Graphical Models (GGM), are widely used to describe the direct interactions between the components of a random vector. In the case of an unlabelled Heterogeneous population, Expectation…

Statistics Theory · Mathematics 2022-03-09 Thomas Lartigue , Stanley Durrleman , Stéphanie Allassonnière

Fine-grained action segmentation and recognition is an important yet challenging task. Given a long, untrimmed sequence of kinematic data, the task is to classify the action at each time frame and segment the time series into the correct…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Effrosyni Mavroudi , Divya Bhaskara , Shahin Sefati , Haider Ali , René Vidal

The linear-chain Conditional Random Field (CRF) model is one of the most widely-used neural sequence labeling approaches. Exact probabilistic inference algorithms such as the forward-backward and Viterbi algorithms are typically applied in…

Computation and Language · Computer Science 2020-10-13 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

The rapid expansion of genomic sequence data calls for new methods to achieve robust sequence representations. Existing techniques often neglect intricate structural details, emphasizing mainly contextual information. To address this, we…

Machine Learning · Computer Science 2023-12-08 Kacper Kapuśniak , Manuel Burger , Gunnar Rätsch , Amir Joudaki

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different groups, has attracted intensive attention in recent years. However, we observe that, in the process of node encoding, existing…

Machine Learning · Computer Science 2022-01-03 Yue Liu , Wenxuan Tu , Sihang Zhou , Xinwang Liu , Linxuan Song , Xihong Yang , En Zhu

A deep image compression scheme is proposed in this paper, offering the state-of-the-art compression efficiency, against the traditional JPEG, JPEG2000, BPG and those popular learning based methodologies. This is achieved by a novel…

Image and Video Processing · Electrical Eng. & Systems 2019-02-28 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Zhan Ma

Fine-grained visual classification can be addressed by deep representation learning under supervision of manually pre-defined targets (e.g., one-hot or the Hadamard codes). Such target coding schemes are less flexible to model inter-class…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Kangjun Liu , Ke Chen , Kui Jia

In structure-based drug design, accurately estimating the binding affinity between a candidate ligand and its protein receptor is a central challenge. Recent advances in artificial intelligence, particularly deep learning, have demonstrated…

Biomolecules · Quantitative Biology 2025-09-18 Md Masud Rana , Farjana Tasnim Mukta , Duc D. Nguyen

Graph Convolutional Networks (GCNs) are state-of-the-art graph based representation learning models by iteratively stacking multiple layers of convolution aggregation operations and non-linear activation operations. Recently, in…

Information Retrieval · Computer Science 2020-01-29 Lei Chen , Le Wu , Richang Hong , Kun Zhang , Meng Wang

We propose Graph Consistency Regularization (GCR), a novel framework that injects relational graph structures, derived from model predictions, into the learning process to promote class-aware, semantically meaningful feature…

Machine Learning · Computer Science 2025-10-14 Xi Ding , Lei Wang , Piotr Koniusz , Yongsheng Gao

Accurate channel state information (CSI) is a critical bottleneck in modern wireless networks, with pilot overhead consuming 11\% to 21\% of transmission bandwidth and feedback delays causing severe throughput degradation under mobility.…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Muhammad Umer , Muhammad Ahmed Mohsin , Ahsan Bilal , John M. Cioffi

Since the resurgence of CNNs the robotic vision community has developed a range of algorithms that perform classification, semantic segmentation and structure prediction (depths, normals, surface curvature) using neural networks. While some…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Andrew Spek , Thanuja Dharmasiri , Tom Drummond

The Graph Convolutional Networks (GCNs) have achieved excellent results in node classification tasks, but the model's performance at low label rates is still unsatisfactory. Previous studies in Semi-Supervised Learning (SSL) for graph have…

Machine Learning · Computer Science 2023-11-30 Shuhao Shi , Jian Chen , Kai Qiao , Shuai Yang , Linyuan Wang , Bin Yan

Mean field approximation methodology has laid the foundation of modern Continuous Random Field (CRF) based solutions for the refinement of semantic segmentation. In this paper, we propose to relax the hard constraint of mean field…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Xi Mo , Xiangyu Chen , Cuncong Zhong , Rui Li , Kaidong Li , Usman Sajid

State-of-the-art semantic image segmentation methods are mostly based on training deep convolutional neural networks (CNNs). In this work, we proffer to improve semantic segmentation with the use of contextual information. In particular, we…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Guosheng Lin , Chunhua Shen , Anton van den Hengel , Ian Reid

Classification of remotely sensed images into land cover or land use is highly dependent on geographical information at least at two levels. First, land cover classes are observed in a spatially smooth domain separated by sharp region…

Image and Video Processing · Electrical Eng. & Systems 2018-08-27 Devis Tuia , Michele Volpi , Gabriele Moser

Recently a variety of methods have been developed to encode graphs into low-dimensional vectors that can be easily exploited by machine learning algorithms. The majority of these methods start by embedding the graph nodes into a…

Machine Learning · Computer Science 2018-09-13 Yu Jin , Joseph F. JaJa

The output of image the segmentation process is usually not very clear due to low quality features of Satellite images. The purpose of this study is to find a suitable Conditional Random Field (CRF) to achieve better clarity in a segmented…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Aashish Dhawan , Pankaj Bodani , Vishal Garg

This work develops a novel set of algorithms, alternating Gradient Descent (GD) and minimization for MRI (altGDmin-MRI1 and altGDmin-MRI2), for accelerated dynamic MRI by assuming an approximate low-rank (LR) model on the matrix formed by…

Image and Video Processing · Electrical Eng. & Systems 2024-11-13 Silpa Babu , Sajan Goud Lingala , Namrata Vaswani