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Monocular depth estimation (MDE) provides a useful tool for robotic perception, but its predictions are often uncertain and inaccurate in challenging environments such as surgical scenes where textureless surfaces, specular reflections, and…

Public health data are often spatially dependent, but standard spatial regression methods can suffer from bias and invalid inference when the independent variable is associated with spatially-correlated residuals. This could occur if, for…

Methodology · Statistics 2025-04-10 Nate Wiecha , Jane A. Hoppin , Brian J. Reich

Most existing CNN-based super-resolution (SR) methods are developed based on an assumption that the degradation is fixed and known (e.g., bicubic downsampling). However, these methods suffer a severe performance drop when the real…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Longguang Wang , Yingqian Wang , Xiaoyu Dong , Qingyu Xu , Jungang Yang , Wei An , Yulan Guo

Modeling strong gravitational lenses is prohibitively expensive for modern and next-generation cosmic survey data. Neural posterior estimation (NPE), a simulation-based inference (SBI) approach, has been studied as an avenue for efficient…

Instrumentation and Methods for Astrophysics · Physics 2024-10-23 Paxson Swierc , Marcos Tamargo-Arizmendi , Aleksandra Ćiprijanović , Brian D. Nord

Pel-recursive motion estimation isa well-established approach. However, in the presence of noise, it becomes an ill-posed problem that requires regularization. In this paper, motion vectors are estimated in an iterative fashion by means of…

Computer Vision and Pattern Recognition · Computer Science 2014-03-31 Vania Vieira Estrela , Marcos Henrique da Silva Bassani

Multiplicative noise, also known as speckle or pepper noise, commonly affects images produced by synthetic aperture radar (SAR), lasers, or optical lenses. Unlike additive noise, which typically arises from thermal processes or external…

Image and Video Processing · Electrical Eng. & Systems 2024-12-16 An Vuong , Thinh Nguyen

This paper deals with model order selection in context of correlated noise. More precisely, one considers sources embedded in an additive Complex Elliptically Symmetric (CES) noise, with unknown parameters. The main difficultly for…

Methodology · Statistics 2017-10-19 Eugénie Terreaux , Jean-Philippe Ovarlez , Frédéric Pascal

Accurate altitude estimation and reliable floor recognition are critical for mobile robot localization and navigation within complex multi-storey environments. In this paper, we present a robust, low-cost vertical estimation framework…

Robotics · Computer Science 2026-01-06 Yuhang Zhang , Sören Schwertfeger

We introduce a novel cross-reference image quality assessment method that effectively fills the gap in the image assessment landscape, complementing the array of established evaluation schemes -- ranging from full-reference metrics like…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Zirui Wang , Wenjing Bian , Victor Adrian Prisacariu

This paper aims to build an estimate of an unknown density of the data with measurement error as a linear combination of functions from a dictionary. Inspired by the penalization approach, we propose the weighted Elastic-net penalized…

Statistics Theory · Mathematics 2020-07-07 Xiaowei Yang , Huiming Zhang , Haoyu Wei , Shouzheng Zhang

Efficient climate change monitoring and modeling rely on high-quality geospatial and environmental datasets. Due to limitations in technical capabilities or resources, the acquisition of high-quality data for many environmental disciplines…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Bekir Z Demiray , Muhammed Sit , Ibrahim Demir

The efficient estimation of an approximate model order is very important for real applications with multi-dimensional data if the observed low-rank data is corrupted by additive noise. In this paper, we present a novel robust method for…

Methodology · Statistics 2022-12-21 Alexey A. Korobkov , Marina K. Diugurova , Jens Haueisen , Martin Haardt

We propose a new estimation methodology to address the presence of covariate measurement error by exploiting the availability of spatial data. The approach uses neighboring observations as repeated measurements, after suitably controlling…

Econometrics · Economics 2025-11-06 Susanne M. Schennach , Vincent Starck

We present 360-DFPE, a sequential floor plan estimation method that directly takes 360-images as input without relying on active sensors or 3D information. Our approach leverages a loosely coupled integration between a monocular visual SLAM…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Bolivar Solarte , Yueh-Cheng Liu , Chin-Hsuan Wu , Yi-Hsuan Tsai , Min Sun

Low-cost micro-electromechanical accelerometers are widely used in navigation, robotics, and consumer devices for motion sensing and position estimation. However, their performance is often degraded by bias errors. To eliminate…

Robotics · Computer Science 2025-11-18 Michal Levin , Itzik Klein

We introduce a novel framework for metric depth estimation that enhances pretrained diffusion-based monocular depth estimation (DB-MDE) models with stereo vision guidance. While existing DB-MDE methods excel at predicting relative depth,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Tuan Pham , Thanh-Tung Le , Xiaohui Xie , Stephan Mandt

Estimating the depth of omnidirectional images is more challenging than that of normal field-of-view (NFoV) images because the varying distortion can significantly twist an object's shape. The existing methods suffer from troublesome…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Zhijie Shen , Chunyu Lin , Lang Nie , Kang Liao , Yao zhao

We introduce Equivariant Neural Field Expectation Maximization (EFEM), a simple, effective, and robust geometric algorithm that can segment objects in 3D scenes without annotations or training on scenes. We achieve such unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jiahui Lei , Congyue Deng , Karl Schmeckpeper , Leonidas Guibas , Kostas Daniilidis

There are a number of ways to test for the absence/presence of a spatial signal in a completely observed fine-resolution image. One of these is a powerful nonparametric procedure called Enhanced False Discovery Rate (EFDR). A drawback of…

Methodology · Statistics 2020-10-20 Hsin-Cheng Huang , Noel Cressie , Andrew Zammit-Mangion , Guowen Huang

This paper addresses the problem of unsupervised soft bit error rate (BER) estimation for any communications system, where no prior knowledge either about transmitted information bits, or the transceiver scheme is available. We show that…

Information Theory · Computer Science 2013-09-26 Samir Saoudi , Tarik Ait-Idir , Yukou Mochida
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