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State-of-the-art methods for object detection use region proposal networks (RPN) to hypothesize object location. These networks simultaneously predicts object bounding boxes and \emph{objectness} scores at each location in the image. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Awais Mansoor , Antonio R. Porras , Marius George Linguraru

Thanks to technological advances leading to near-continuous time observations, emerging multivariate point process data offer new opportunities for causal discovery. However, a key obstacle in achieving this goal is that many relevant…

Machine Learning · Statistics 2021-12-15 Xu Wang , Ali Shojaie

We propose a novel learned keypoint detection method to increase the number of correct matches for the task of non-rigid image correspondence. By leveraging true correspondences acquired by matching annotated image pairs with a specified…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Felipe Cadar , Welerson Melo , Vaishnavi Kanagasabapathi , Guilherme Potje , Renato Martins , Erickson R. Nascimento

Identifying breakpoints in piecewise regression is critical in enhancing the reliability and interpretability of data fitting. In this paper, we propose novel algorithms based on the greedy algorithm to accurately and efficiently identify…

Machine Learning · Statistics 2026-04-14 Taehyeong Kim , Hyungu Lee , Myungjin Kim , Hayoung Choi

The estimation of viewpoints and keypoints effectively enhance object detection methods by extracting valuable traits of the object instances. While the output of both processes differ, i.e., angles vs. list of characteristic points, they…

Computer Vision and Pattern Recognition · Computer Science 2019-12-16 Pau Panareda Busto , Juergen Gall

To overcome the limitations and challenges of current automatic table data annotation methods and random table data synthesis approaches, we propose a novel method for synthesizing annotation data specifically designed for table…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Qiyu Hou , Jun Wang , Meixuan Qiao , Lujun Tian

Although point-based networks are demonstrated to be accurate for 3D point cloud modeling, they are still falling behind their voxel-based competitors in 3D detection. We observe that the prevailing set abstraction design for down-sampling…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Chen Chen , Zhe Chen , Jing Zhang , Dacheng Tao

We present a semantic part detection approach that effectively leverages object information.We use the object appearance and its class as indicators of what parts to expect. We also model the expected relative location of parts inside the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Abel Gonzalez-Garcia , Davide Modolo , Vittorio Ferrari

Due to the difficulty in generating the effective descriptors which are robust to occlusion and viewpoint changes, place recognition for 3D point cloud remains an open issue. Unlike most of the existing methods that focus on extracting…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Xuemeng Yang , Guangyao Zhai , Xiangrui Zhao , Xianfang Zeng , Mengmeng Wang , Yong Liu , Wanlong Li , Feng Wen

A new statistical procedure, based on a modified spline basis, is proposed to identify the linear components in the panel data model with fixed effects. Under some mild assumptions, the proposed procedure is shown to consistently estimate…

Econometrics · Economics 2019-11-21 Ruiqi Liu , Ben Boukai , Zuofeng Shang

This paper introduces a new approach to extract and analyze vector data from technical drawings in PDF format. Our method involves converting PDF files into SVG format and creating a feature-rich graph representation, which captures the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Andrea Carrara , Stavros Nousias , André Borrmann

Very long and noisy sequence data arise from biological sciences to social science including high throughput data in genomics and stock prices in econometrics. Often such data are collected in order to identify and understand shifts in…

Methodology · Statistics 2016-07-15 Yue S. Niu , Ning Hao , Heping Zhang

Semantic signal processing and communications are poised to play a central part in developing the next generation of sensor devices and networks. A crucial component of a semantic system is the extraction of semantic signals from the raw…

Signal Processing · Electrical Eng. & Systems 2022-11-11 Mert Kalfa , Sadik Yagiz Yetim , Arda Atalik , Mehmetcan Gok , Yiqun Ge , Rong Li , Wen Tong , Tolga Mete Duman , Orhan Arikan

In this paper, we present a novel approach for object recognition in real-time by employing multilevel feature analysis and demonstrate the practicality of adapting feature extraction into a Naive Bayesian classification framework that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Yang Cheng , Timeo Dubois

Adoption of deep neural networks in fields such as economics or finance has been constrained by the lack of interpretability of model outcomes. This paper proposes a generative neural network architecture - the parameter encoder neural…

Machine Learning · Statistics 2021-06-11 Johann Pfitzinger

The aim of online change-point detection is for a accurate, timely discovery of structural breaks. As data dimension outgrows the number of data in observation, online detection becomes challenging. Existing methods typically test only the…

Machine Learning · Statistics 2022-03-17 Yang-Wen Sun , Katerina Papagiannouli , Vladimir Spokoiny

Salient object detection has been attracting a lot of interest, and recently various heuristic computational models have been designed. In this paper, we formulate saliency map computation as a regression problem. Our method, which is based…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Huaizu Jiang , Zejian Yuan , Ming-Ming Cheng , Yihong Gong , Nanning Zheng , Jingdong Wang

We propose a method for constructing sparse high-frequency volatility estimators that are robust against change points in the spot volatility process. The estimators we propose are $\ell_1$-regularized versions of existing volatility…

Statistical Finance · Quantitative Finance 2024-07-02 Greeshma Balabhadra , El Mehdi Ainasse , Pawel Polak

Detecting anomalies in a temporal sequence of graphs can be applied is areas such as the detection of accidents in transport networks and cyber attacks in computer networks. Existing methods for detecting abnormal graphs can suffer from…

Machine Learning · Computer Science 2025-02-03 Sevvandi Kandanaarachchi , Conrad Sanderson , Rob J. Hyndman

We propose a novel machine learning approach for inferring causal variables of a target variable from observations. Our focus is on directly inferring a set of causal factors without requiring full causal graph reconstruction, which is…

Machine Learning · Computer Science 2025-10-01 Jang-Hyun Kim , Claudia Skok Gibbs , Sangdoo Yun , Hyun Oh Song , Kyunghyun Cho