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We study a mismatch between the deep learning recommendation models' flat architecture, common distributed training paradigm and hierarchical data center topology. To address the associated inefficiencies, we propose Disaggregated…

We present an efficient approach for Masked Image Modeling (MIM) with hierarchical Vision Transformers (ViTs), allowing the hierarchical ViTs to discard masked patches and operate only on the visible ones. Our approach consists of three key…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Lang Huang , Shan You , Mingkai Zheng , Fei Wang , Chen Qian , Toshihiko Yamasaki

We present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on them. We train an…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Miriam Bellver , Xavier Giro-i-Nieto , Ferran Marques , Jordi Torres

Vision Transformer (ViT) architectures represent images as collections of high-dimensional vectorized tokens, each corresponding to a rectangular non-overlapping patch. This representation trades spatial granularity for embedding…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Dong Lao , Yangchao Wu , Tian Yu Liu , Alex Wong , Stefano Soatto

In a world abundant with diverse data arising from complex acquisition techniques, there is a growing need for new data analysis methods. In this paper we focus on high-dimensional data that are organized into several hierarchical datasets.…

Machine Learning · Computer Science 2021-04-06 Lior Aloni , Omer Bobrowski , Ronen Talmon

Polygonal meshes have become the standard for discretely approximating 3D shapes, thanks to their efficiency and high flexibility in capturing non-uniform shapes. This non-uniformity, however, leads to irregularity in the mesh structure,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Giuseppe Vecchio , Luca Prezzavento , Carmelo Pino , Francesco Rundo , Simone Palazzo , Concetto Spampinato

Attention-based models, exemplified by the Transformer, can effectively model long range dependency, but suffer from the quadratic complexity of self-attention operation, making them difficult to be adopted for high-resolution image…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Long Zhao , Zizhao Zhang , Ting Chen , Dimitris N. Metaxas , Han Zhang

Understanding terrain topology at long-range is crucial for the success of off-road robotic missions, especially when navigating at high-speeds. LiDAR sensors, which are currently heavily relied upon for geometric mapping, provide sparse…

We present HiDe, a novel hierarchical reinforcement learning architecture that successfully solves long horizon control tasks and generalizes to unseen test scenarios. Functional decomposition between planning and low-level control is…

Machine Learning · Computer Science 2021-10-08 Sammy Christen , Lukas Jendele , Emre Aksan , Otmar Hilliges

Graph Transformer is gaining increasing attention in the field of machine learning and has demonstrated state-of-the-art performance on benchmarks for graph representation learning. However, as current implementations of Graph Transformer…

Machine Learning · Computer Science 2023-05-08 Wenhao Zhu , Tianyu Wen , Guojie Song , Xiaojun Ma , Liang Wang

Generative models have gained significant attention in multivariate time series forecasting (MTS), particularly due to their ability to generate high-fidelity samples. Forecasting the probability distribution of multivariate time series is…

Machine Learning · Computer Science 2025-02-13 Shibo Feng , Peilin Zhao , Liu Liu , Pengcheng Wu , Zhiqi Shen

In this paper, we propose a novel hypergraph based method (called HF) to fit and segment multi-structural data. The proposed HF formulates the geometric model fitting problem as a hypergraph partition problem based on a novel hypergraph…

Computer Vision and Pattern Recognition · Computer Science 2016-07-12 Guobao Xiao , Hanzi Wang , Taotao Lai , David Suter

Panoramic image segmentation in computational pathology presents a remarkable challenge due to the morphologically complex and variably scaled anatomy. For instance, the intricate organization in kidney pathology spans multiple layers, from…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Ruining Deng , Quan Liu , Can Cui , Tianyuan Yao , Juming Xiong , Shunxing Bao , Hao Li , Mengmeng Yin , Yu Wang , Shilin Zhao , Yucheng Tang , Haichun Yang , Yuankai Huo

Evolution of visual object recognition architectures based on Convolutional Neural Networks & Convolutional Deep Belief Networks paradigms has revolutionized artificial Vision Science. These architectures extract & learn the real world…

Computer Vision and Pattern Recognition · Computer Science 2015-09-08 Atul Laxman Katole , Krishna Prasad Yellapragada , Amish Kumar Bedi , Sehaj Singh Kalra , Mynepalli Siva Chaitanya

Graph Transformer shows remarkable potential in brain network analysis due to its ability to model graph structures and complex node relationships. Most existing methods typically model the brain as a flat network, ignoring its modular…

Machine Learning · Computer Science 2025-11-25 Jiajun Ma , Yongchao Zhang , Chao Zhang , Zhao Lv , Shengbing Pei

Building Information Modeling (BIM) technology is a key component of modern construction engineering and project management workflows. As-is BIM models that represent the spatial reality of a project site can offer crucial information to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Seongyong Kim , Yosuke Yajima , Jisoo Park , Jingdao Chen , Yong K. Cho

Data representation in non-Euclidean spaces has proven effective for capturing hierarchical and complex relationships in real-world datasets. Hyperbolic spaces, in particular, provide efficient embeddings for hierarchical structures. This…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Jacob Fein-Ashley , Ethan Feng , Minh Pham

Objective: X-ray computed tomography employing sparse projection views has emerged as a contemporary technique to mitigate radiation dose. However, due to the inadequate number of projection views, an analytic reconstruction method…

Machine Learning · Computer Science 2025-01-10 Yoseob Han

Deep learning models have achieved significant success in various image related tasks. However, they often encounter challenges related to computational complexity and overfitting. In this paper, we propose an efficient approach that…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Salim Khazem , Jeremy Fix , Cédric Pradalier

Despite notable results on standard aerial datasets, current state-of-the-arts fail to produce accurate building footprints in dense areas due to challenging properties posed by these areas and limited data availability. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Vuong Nguyen , Anh Ho , Duc-Anh Vu , Nguyen Thi Ngoc Anh , Tran Ngoc Thang