English
Related papers

Related papers: Segmenting Sky Pixels in Images

200 papers

Vision in adverse weather conditions, whether it be snow, rain, or fog is challenging. In these scenarios, scattering and attenuation severly degrades image quality. Handling such inclement weather conditions, however, is essential to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Andrea Ramazzina , Mario Bijelic , Stefanie Walz , Alessandro Sanvito , Dominik Scheuble , Felix Heide

Two forms of imbalances are commonly observed in point cloud semantic segmentation datasets: (1) category imbalances, where certain objects are more prevalent than others; and (2) size imbalances, where certain objects occupy more points…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Zhuheng Lu , Ting Wu , Yuewei Dai , Weiqing Li , Zhiyong Su

Estimates of image gradients play a ubiquitous role in image segmentation and classification problems since gradients directly relate to the boundaries or the edges of a scene. This paper proposes an unified approach to gradient estimation…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Anish Acharya , Uddipan Mukherjee , Charless Fowlkes

In order to retrieve cosmological parameters from photometric surveys, we need to estimate the distribution of the photometric redshift in the sky with excellent accuracy. We use and apply three different machine learning methods to…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-13 Elcio Abdalla , Filipe B. Abdalla , Alessandro Marins , Amilcar Queiroz , Rafael M. Ribeiro , Alex S. C. Souza

Exploiting synthetic data to learn deep models has attracted increasing attention in recent years. However, the intrinsic domain difference between synthetic and real images usually causes a significant performance drop when applying the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Yuhua Chen , Wen Li , Luc Van Gool

Segmenting clouds in high-resolution satellite images is an arduous and challenging task due to the many types of geographies and clouds a satellite can capture. Therefore, it needs to be automated and optimized, specially for those who…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Giorgio Morales , Alejandro Ramírez , Joel Telles

Conditional diffusion models have demonstrated impressive performance on various tasks like text-guided semantic image editing. Prior work requires image regions to be identified manually by human users or use an object detector that only…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Zhongping Zhang , Huiwen He , Bryan A. Plummer , Zhenyu Liao , Huayan Wang

Precisely localising solar Active Regions (AR) from multi-spectral images is a challenging but important task in understanding solar activity and its influence on space weather. A main challenge comes from each modality capturing a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Majedaldein Almahasneh , Adeline Paiement , Xianghua Xie , Jean Aboudarham

Most computer vision research focuses on datasets containing thousands of images of commonplace objects. However, many high-impact datasets, such as those in medicine and the geosciences, contain fine-grain objects that require…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Indu Panigrahi , Ryan Manzuk , Adam Maloof , Ruth Fong

Computer Vision is growing day by day in terms of user specific applications. The first step of any such application is segmenting an image. In this paper, we propose a novel and grass-root level image segmentation algorithm for cases in…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Viraj Mavani , Ayesha Gurnani , Jhanvi Shah

Object point cloud classification has drawn great research attention since the release of benchmarking datasets, such as the ModelNet and the ShapeNet. These benchmarks assume point clouds covering complete surfaces of object instances, for…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Zelin Xu , Ke Chen , Kangjun Liu , Changxing Ding , Yaowei Wang , Kui Jia

In this paper, we discuss and review how combined multi-view imagery from satellite to street-level can benefit scene analysis. Numerous works exist that merge information from remote sensing and images acquired from the ground for tasks…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Sébastien Lefèvre , Devis Tuia , Jan Dirk Wegner , Timothée Produit , Ahmed Samy Nassar

This paper presents the preliminary findings of a semi-supervised segmentation method for extracting roads from sattelite images. Artificial Neural Networks and image segmentation methods are among the most successful methods for extracting…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ahmet Alp Kindiroglu , Metehan Yalçın , Furkan Burak Bağcı , Mahiye Uluyağmur Öztürk

Scene labeling task is to segment the image into meaningful regions and categorize them into classes of objects which comprised the image. Commonly used methods typically find the local features for each segment and label them using…

Computer Vision and Pattern Recognition · Computer Science 2016-08-19 Nasim Souly , Mubarak Shah

Semantic segmentation of eyes has long been a vital pre-processing step in many biometric applications. Majority of the works focus only on high resolution eye images, while little has been done to segment the eyes from low quality images…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Bingnan Luo , Jie Shen , Shiyang Cheng , Yujiang Wang , Maja Pantic

Humans use UAVs to monitor changes in forest environments since they are lightweight and provide a large variety of surveillance data. However, their information does not present enough details for understanding the scene which is needed to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Bianca-Cerasela-Zelia Blaga , Sergiu Nedevschi

This paper presents a nonparametric scene parsing approach that improves the overall accuracy, as well as the coverage of foreground classes in scene images. We first improve the label likelihood estimates at superpixels by merging…

Computer Vision and Pattern Recognition · Computer Science 2015-10-27 Marian George

Pixel-wise street segmentation of photographs taken from a drivers perspective is important for self-driving cars and can also support other object recognition tasks. A framework called SST was developed to examine the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2015-11-03 Sebastian Bittel , Vitali Kaiser , Marvin Teichmann , Martin Thoma

In this case study, we present a data-efficient point cloud segmentation pipeline and training framework for robust segmentation of unimproved roads and seven other classes. Our method employs a two-stage training framework: first, a…

Image and Video Processing · Electrical Eng. & Systems 2025-08-29 Andrew Yarovoi , Christopher R. Valenta

Datasets (semi-)automatically collected from the web can easily scale to millions of entries, but a dataset's usefulness is directly related to how clean and high-quality its examples are. In this paper, we describe and publicly release an…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Houda Alberts , Iacer Calixto