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We developed two machine learning frameworks that could assist in automated litho-stratigraphic interpretation of seismic volumes without any manual hand labeling from an experienced seismic interpreter. The first framework is an…

Geophysics · Physics 2021-08-24 Oluwaseun Joseph Aribido , Ghassan AlRegib , Yazeed Alaudah

This work presents a first evaluation of using spatio-temporal receptive fields from a recently proposed time-causal spatio-temporal scale-space framework as primitives for video analysis. We propose a new family of video descriptors based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Ylva Jansson , Tony Lindeberg

Learning an encoding of feature vectors in terms of an over-complete dictionary or a information geometric (Fisher vectors) construct is wide-spread in statistical signal processing and computer vision. In content based information…

Information Retrieval · Computer Science 2017-11-15 B Sengupta , E Vasquez , Y Qian

Compressive sensing (CS) has been applied to estimate the direction of arrival (DOA) in underwater acoustics. However, the key problem needed to be resolved in a {multipath} propagation environment is to suppress the interferences between…

Sound · Computer Science 2021-03-29 Longyu Jiang , Zhe Zhang , Rui Jin , Xiao Zhou , Philippe Roux

The analysis of contours of scalar fields plays an important role in visualization. For example the contour tree and contour statistics can be used as a means for interaction and filtering or as signatures. In the context of tensor field…

Graphics · Computer Science 2019-12-03 Talha Bin Masood , Ingrid Hotz

In this paper, we present a new tracking architecture with an encoder-decoder transformer as the key component. The encoder models the global spatio-temporal feature dependencies between target objects and search regions, while the decoder…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Bin Yan , Houwen Peng , Jianlong Fu , Dong Wang , Huchuan Lu

In this work, we study the perception problem for sampled surfaces (possibly with boundary) using tools from computational topology, specifically, how to identify their underlying topology starting from point-cloud samples in space, such as…

Computational Geometry · Computer Science 2024-10-17 Franco Coltraro , Jaume Amorós , Maria Alberich-Carramiñana , Carme Torras

The paper focuses on a classical tracking model, subspace learning, grounded on the fact that the targets in successive frames are considered to reside in a low-dimensional subspace or manifold due to the similarity in their appearances. In…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yao Sui , Guanghui Wang , Li Zhang

The advancement of sensing technology has driven the widespread application of high-dimensional data. However, issues such as missing entries during acquisition and transmission negatively impact the accuracy of subsequent tasks. Tensor…

Image and Video Processing · Electrical Eng. & Systems 2025-04-09 Jie Yang , Chang Su , Yuhan Zhang , Jianjun Zhu , Jianli Wang

Tensors or multiarray data are generalizations of matrices. Tensor clustering has become a very important research topic due to the intrinsically rich structures in real-world multiarray datasets. Subspace clustering based on vectorizing…

Computer Vision and Pattern Recognition · Computer Science 2015-04-30 Yanfeng Sun , Junbin Gao , Xia Hong , Bamdev Mishra , Baocai Yin

We introduce a learning-based approach for room navigation using semantic maps. Our proposed architecture learns to predict top-down belief maps of regions that lie beyond the agent's field of view while modeling architectural and stylistic…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Medhini Narasimhan , Erik Wijmans , Xinlei Chen , Trevor Darrell , Dhruv Batra , Devi Parikh , Amanpreet Singh

The interest in machine learning with tensor networks has been growing rapidly in recent years. We show that tensor-based methods developed for learning the governing equations of dynamical systems from data can, in the same way, be used…

Machine Learning · Computer Science 2019-12-02 Stefan Klus , Patrick Gelß

We present a method for inferring dense depth maps from images and sparse depth measurements by leveraging synthetic data to learn the association of sparse point clouds with dense natural shapes, and using the image as evidence to validate…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Alex Wong , Safa Cicek , Stefano Soatto

Spectral clustering and co-clustering are well-known techniques in data analysis, and recent work has extended spectral clustering to square, symmetric tensors and hypermatrices derived from a network. We develop a new tensor spectral…

Social and Information Networks · Computer Science 2016-03-02 Tao Wu , Austin R. Benson , David F. Gleich

Self-supervised representation learning techniques utilize large datasets without semantic annotations to learn meaningful, universal features that can be conveniently transferred to solve a wide variety of downstream supervised tasks. In…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Swetava Ganguli , C. V. Krishnakumar Iyer , Vipul Pandey

Embedding molecular symmetries into machine-learning models is key for efficient learning of chemico-physical scalar properties, but little evidence on how to extend the same strategy to tensorial quantities exists. Here we formulate a…

Materials Science · Physics 2022-04-27 Vu Ha Anh Nguyen , Alessandro Lunghi

TASED-Net is a 3D fully-convolutional network architecture for video saliency detection. It consists of two building blocks: first, the encoder network extracts low-resolution spatiotemporal features from an input clip of several…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Kyle Min , Jason J. Corso

Despite considerable progress being achieved in point cloud geometry compression, there still remains a challenge in effectively compressing large-scale scenes with sparse surfaces. Another key challenge lies in reducing decoding latency, a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Kang You , Kai Liu , Li Yu , Pan Gao , Dandan Ding

Tracking signals in dynamic environments presents difficulties in both analysis and implementation. In this work, we expand on a class of subspace tracking algorithms which utilize the Grassmann manifold -- the set of linear subspaces of a…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Alex Saad-Falcon , Brighton Ancelin , Justin Romberg

Inferring the depth of transparent or mirror (ToM) surfaces represents a hard challenge for either sensors, algorithms, or deep networks. We propose a simple pipeline for learning to estimate depth properly for such surfaces with neural…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Alex Costanzino , Pierluigi Zama Ramirez , Matteo Poggi , Fabio Tosi , Stefano Mattoccia , Luigi Di Stefano