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Weakly supervised landslide extraction aims to identify landslide regions from remote sensing data using models trained with weak labels, particularly image-level labels. However, it is often challenged by the imprecise boundaries of the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Jian Wang , Xiaokang Zhang , Xianping Ma , Weikang Yu , Pedram Ghamisi

High-resolution optical satellite sensors, combined with dense stereo algorithms, have made it possible to reconstruct 3D city models from space. However, these models are, in practice, rather noisy and tend to miss small geometric features…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Corinne Stucker , Bingxin Ke , Yuanwen Yue , Shengyu Huang , Iro Armeni , Konrad Schindler

Ultrasound (US) imaging is one of the most commonly used non-invasive imaging techniques. However, US image acquisition requires simultaneous guidance of the transducer and interpretation of images, which is a highly challenging task that…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Simona Treivase , Alberto Gomez , Jacqueline Matthew , Emily Skelton , Julia A. Schnabel , Nicolas Toussaint

Recently, the rapid development of Solid-State LiDAR (SSL) enables low-cost and efficient obtainment of 3D point clouds from the environment, which has inspired a large quantity of studies and applications. However, the non-uniformity of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Jiahe Cui , Jianwei Niu , Zhenchao Ouyang , Yunxiang He , Dian Liu

3D urban reconstruction of buildings from remotely sensed imagery has drawn significant attention during the past two decades. While aerial imagery and LiDAR provide higher resolution, satellite imagery is cheaper and more efficient to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Bo Xu , Xu Zhang , Zhixin Li , Matt Leotta , Shih-Fu Chang , Jie Shan

We generate abstractions of buildings, reflecting the essential aspects of their geometry and structure, by learning to invert procedural models. We first build a dataset of abstract procedural building models paired with simulated point…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Maximilian Dax , Jordi Berbel , Jan Stria , Leonidas Guibas , Urs Bergmann

Many image processing problems involve identifying the region in the image domain occupied by a given entity in the scene. Automatic solution of these problems requires models that incorporate significant prior knowledge about the shape of…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Peter Horvath , Ian Jermyn , Zoltan Kato , Josiane Zerubia

Numerous prior studies predominantly emphasize constructing relation vectors for individual neighborhood points and generating dynamic kernels for each vector and embedding these into high-dimensional spaces to capture implicit local…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Shuofeng Sun , Yongming Rao , Jiwen Lu , Haibin Yan

Object detection in high-resolution satellite imagery is emerging as a scalable alternative to on-the-ground survey data collection in many environmental and socioeconomic monitoring applications. However, performing object detection over…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Chenlin Meng , Enci Liu , Willie Neiswanger , Jiaming Song , Marshall Burke , David Lobell , Stefano Ermon

Active stereo systems are used in many robotic applications that require 3D information. These depth sensors, however, suffer from stereo artefacts and do not provide dense depth estimates.In this work, we present the first self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Frederik Warburg , Daniel Hernandez-Juarez , Juan Tarrio , Alexander Vakhitov , Ujwal Bonde , Pablo F. Alcantarilla

In this work we introduce Lifting Autoencoders, a generative 3D surface-based model of object categories. We bring together ideas from non-rigid structure from motion, image formation, and morphable models to learn a controllable, geometric…

Computer Vision and Pattern Recognition · Computer Science 2019-04-29 Mihir Sahasrabudhe , Zhixin Shu , Edward Bartrum , Riza Alp Guler , Dimitris Samaras , Iasonas Kokkinos

In this paper we present a data-driven approach to obtain the static image of a scene, eliminating dynamic objects that might have been present at the time of traversing the scene with a camera. The general objective is to improve…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Berta Bescos , Cesar Cadena , Jose Neira

This paper presents a fully automatic and end-to-end optimised airway segmentation method for thoracic computed tomography, based on the U-Net architecture. We use a simple and low-memory 3D U-Net as backbone, which allows the method to…

Image and Video Processing · Electrical Eng. & Systems 2021-08-04 A. Garcia-Uceda , R. Selvan , Z. Saghir , H. A. W. M. Tiddens , M. de Bruijne

Despite the substantial demand for high-quality, large-area building maps, no established open-source workflow for generating 2D and 3D maps currently exists. This study introduces an automated, open-source workflow for large-scale 2D and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Hunsoo Song , Jinha Jung

Obstacle detection plays an important role in unmanned surface vehicles (USV). The USVs operate in highly diverse environments in which an obstacle may be a floating piece of wood, a scuba diver, a pier, or a part of a shoreline, which…

Computer Vision and Pattern Recognition · Computer Science 2015-03-09 Matej Kristan , Vildana Sulic , Stanislav Kovacic , Janez Pers

Choosing how to encode a real-world problem as a machine learning task is an important design decision in machine learning. The task of glacier calving front modeling has often been approached as a semantic segmentation task. Recent studies…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Konrad Heidler , Lichao Mou , Erik Loebel , Mirko Scheinert , Sébastien Lefèvre , Xiao Xiang Zhu

Recent advances in structure-from-motion techniques are enabling many scientific fields to benefit from the routine creation of detailed 3D models. However, for a large number of applications, only a single camera is available, due to cost…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Klemen Istenic , Nuno Gracias , Aurelien Arnaubec , Javier Escartin , Rafael Garcia

We propose a new approach to learn to segment multiple image objects without manual supervision. The method can extract objects form still images, but uses videos for supervision. While prior works have considered motion for segmentation, a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Laurynas Karazija , Subhabrata Choudhury , Iro Laina , Christian Rupprecht , Andrea Vedaldi

Occupancy prediction reconstructs 3D structures of surrounding environments. It provides detailed information for autonomous driving planning and navigation. However, most existing methods heavily rely on the LiDAR point clouds to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Chubin Zhang , Juncheng Yan , Yi Wei , Jiaxin Li , Li Liu , Yansong Tang , Yueqi Duan , Jiwen Lu

This paper proposes the design of decision models based on Computational Intelligence techniques applied to image sequences of dynamic laser speckle. These models aim to identify image regions of biological specimens illuminated by a…