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We introduce Displacement Aware Relation Module (DisARM), a novel neural network module for enhancing the performance of 3D object detection in point cloud scenes. The core idea of our method is that contextual information is critical to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Yao Duan , Chenyang Zhu , Yuqing Lan , Renjiao Yi , Xinwang Liu , Kai Xu

Molecular graph learning benefits from positional signals that capture both local neighborhoods and global topology. Two widely used families are spectral encodings derived from Laplacian or diffusion operators and anchor-based distance…

Information Theory · Computer Science 2026-01-09 Zimo Yan , Zheng Xie , Runfan Duan , Chang Liu , Wumei Du

We present a learning approach for localization and segmentation of objects in an image in a manner that is robust to partial occlusion. Our algorithm produces a bounding box around the full extent of the object and labels pixels in the…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Samarth Brahmbhatt , Heni Ben Amor , Henrik Christensen

In this paper, we revisit the limitations of anchor-based lane detection methods, which have predominantly focused on fixed anchors that stem from the edges of the image, disregarding their versatility and quality. To overcome the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Lingyu Xiao , Xiang Li , Sen Yang , Wankou Yang

We propose a new geometric method for measuring the quality of representations obtained from deep learning. Our approach, called Random Polytope Descriptor, provides an efficient description of data points based on the construction of…

Machine Learning · Computer Science 2021-02-16 Michael Joswig , Marek Kaluba , Lukas Ruff

Uncertainty maps highlight unreliable regions in segmentation predictions. However, most uncertainty evaluation metrics treat voxels independently, ignoring spatial context and anatomical structure. As a result, they may assign identical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Tal Zeevi , Eléonore V. Lieffrig , Lawrence H. Staib , John A. Onofrey

We propose a novel method for computing exact pointwise robustness of deep neural networks for all convex $\ell_p$ norms. Our algorithm, GeoCert, finds the largest $\ell_p$ ball centered at an input point $x_0$, within which the output…

Machine Learning · Computer Science 2019-06-05 Matt Jordan , Justin Lewis , Alexandros G. Dimakis

We study a geometric hitting-set problem in which the input consists of a set $P$ of weighted points and a family $S=H\cup V$ of axis-parallel segments in the plane. The goal is to select a minimum-weight subset of $P$ that hits every…

Computational Geometry · Computer Science 2026-05-15 Rajiv Raman , Siddhartha Sarkar , Jatin Yadav

This paper presents HoughNet, a one-stage, anchor-free, voting-based, bottom-up object detection method. Inspired by the Generalized Hough Transform, HoughNet determines the presence of an object at a certain location by the sum of the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Nermin Samet , Samet Hicsonmez , Emre Akbas

The following paper presents an adaptive anchor pairs selection method for ultra-wideband (UWB) Time Difference of Arrival (TDOA) based positioning systems. The method divides the area covered by the system into several zones and assigns…

Robotics · Computer Science 2024-04-09 Marcin Kolakowski

Generalized few-shot object detection aims to achieve precise detection on both base classes with abundant annotations and novel classes with limited training data. Existing approaches enhance few-shot generalization with the sacrifice of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Jiawei Ma , Yulei Niu , Jincheng Xu , Shiyuan Huang , Guangxing Han , Shih-Fu Chang

Location-aware networks are of great importance and interest in both civil and military applications. This paper determines the localization accuracy of an agent, which is equipped with an antenna array and localizes itself using wireless…

Information Theory · Computer Science 2016-11-17 Yanjun Han , Yuan Shen , Xiao-Ping Zhang , Moe Z. Win , Huadong Meng

In this paper we show that the spherical cap discrepancy of the point set given by centers of pixels in the HEALPix tessellation (short for Hierarchical, Equal Area and iso-Latitude Pixelation) of unit $2$-sphere is lower and upper bounded…

Numerical Analysis · Mathematics 2022-03-16 Damir Ferizović , Julian Hofstadler , Michelle Mastrianni

Recent studies have shown the benefits of using additional elevation data (e.g., DSM) for enhancing the performance of the semantic segmentation of aerial images. However, previous methods mostly adopt 3D elevation information as additional…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Xiang Li , Lingjing Wang , Yi Fang

We study the approximability of general convex sets in $\mathbb{R}^n$ by intersections of halfspaces, where the approximation quality is measured with respect to the standard Gaussian distribution $N(0,I_n)$ and the complexity of an…

Computational Complexity · Computer Science 2023-11-16 Anindya De , Shivam Nadimpalli , Rocco A. Servedio

Most state-of-the-art instance-level human parsing models adopt two-stage anchor-based detectors and, therefore, cannot avoid the heuristic anchor box design and the lack of analysis on a pixel level. To address these two issues, we have…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Sanyi Zhang , Xiaochun Cao , Guo-Jun Qi , Zhanjie Song , Jie Zhou

Discriminative features are critical for machine learning applications. Most existing deep learning approaches, however, rely on convolutional neural networks (CNNs) for learning features, whose discriminant power is not explicitly…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Fusheng Hao , Jun Cheng , Lei Wang , Xinchao Wang , Jianzhong Cao , Xiping Hu , Dapeng Tao

To verify the correct operation of systems, engineers need to determine the set of configurations of a dynamical model that are able to safely reach a specified configuration under a control law. Unfortunately, constructing models for…

Optimization and Control · Mathematics 2016-01-07 Shankar Mohan , Victor Shia , Ram Vasudevan

We propose a novel weakly supervised discriminative algorithm for learning context specific registration metrics as a linear combination of conventional similarity measures. Conventional metrics have been extensively used over the past two…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Enzo Ferrante , Puneet K Dokania , Rafael Marini , Nikos Paragios

We study the problem of estimating the convex hull of the image $f(X)\subset\mathbb{R}^n$ of a compact set $X\subset\mathbb{R}^m$ with smooth boundary through a smooth function $f:\mathbb{R}^m\to\mathbb{R}^n$. Assuming that $f$ is a…

Optimization and Control · Mathematics 2024-03-11 Thomas Lew , Riccardo Bonalli , Lucas Janson , Marco Pavone
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