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Deep learning has not been routinely employed for semantic segmentation of seabed environment for synthetic aperture sonar (SAS) imagery due to the implicit need of abundant training data such methods necessitate. Abundant training data,…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Yung-Chen Sun , Isaac D. Gerg , Vishal Monga

A deep denoising based channel estimation framework is proposed for orthogonal time frequency space (OTFS) modulated systems, wherein channel state information (CSI) recovery is formulated as an image restoration problem. A salient…

信号处理 · 电气工程与系统科学 2026-05-29 Surbhi Gehlot , Siddhi Shinde , Suraj Srivastava , Sandeep Kumar Yadav

Segmentation is an essential step for remote sensing image processing. This study aims to advance the application of the Segment Anything Model (SAM), an innovative image segmentation model by Meta AI, in the field of remote sensing image…

The diversity of building architecture styles of global cities situated on various landforms, the degraded optical imagery affected by clouds and shadows, and the significant inter-class imbalance of roof types pose challenges for designing…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Guozhang Liu , Baochai Peng , Ting Liu , Pan Zhang , Mengke Yuan , Chaoran Lu , Ningning Cao , Sen Zhang , Simin Huang , Tao Wang

Estimating building height from satellite imagery poses significant challenges, especially when monocular images are employed, resulting in a loss of essential 3D information during imaging. This loss of spatial depth further complicates…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Mahd Qureshi , Shayaan Chaudhry , Sana Jabba , Murtaza Taj

We propose a neural network component, the regional aggregation layer, that makes it possible to train a pixel-level density estimator using only coarse-grained density aggregates, which reflect the number of objects in an image region. Our…

计算机视觉与模式识别 · 计算机科学 2018-10-24 Nathan Jacobs , Adam Kraft , Muhammad Usman Rafique , Ranti Dev Sharma

Understanding terrain topology at long-range is crucial for the success of off-road robotic missions, especially when navigating at high-speeds. LiDAR sensors, which are currently heavily relied upon for geometric mapping, provide sparse…

机器人学 · 计算机科学 2024-04-23 Chanyoung Chung , Georgios Georgakis , Patrick Spieler , Curtis Padgett , Ali Agha , Shehryar Khattak

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

Recently, deep learning algorithms, especially fully convolutional network based methods, are becoming very popular in the field of remote sensing. However, these methods are implemented and evaluated through various datasets and deep…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Guangming Wu , Zhiling Guo

Outdoor scene parsing models are often trained on ideal datasets and produce quality results. However, this leads to a discrepancy when applied to the real world. The quality of scene parsing, particularly sky classification, decreases in…

计算机视觉与模式识别 · 计算机科学 2018-01-10 Cecilia La Place , Aisha Urooj Khan , Ali Borji

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this image segmentation step critically affects the subsequent clinical assessment of…

图像与视频处理 · 电气工程与系统科学 2021-03-23 João B. S. Carvalho , João A. Santinha , Đorđe Miladinović , Joachim M. Buhmann

The task of identifying and segmenting buildings within remote sensing imagery has perennially stood at the forefront of scholarly investigations. This manuscript accentuates the potency of harnessing diversified datasets in tandem with…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Lei Li

An important step of seismic data processing is removing noise, including interference due to simultaneous and blended sources, from the recorded data. Traditional methods are time-consuming to apply as they often require manual choosing of…

图像与视频处理 · 电气工程与系统科学 2019-07-03 Alan Richardson , Caelen Feller

Images of spacecraft photographed from other spacecraft operating in outer space are difficult to come by, especially at a scale typically required for deep learning tasks. Semantic image segmentation, object detection and localization, and…

计算机视觉与模式识别 · 计算机科学 2022-11-23 William S. Armstrong , Spencer Drakontaidis , Nicholas Lui

In LiDAR-based environment perception systems, ground segmentation is a key preprocessing step supporting various applications such as mapping and navigation. Although extensively studied, problems such as reflection noise and isolated…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Yu Li , Volker Schwieger

Building structures detection and information about these buildings in aerial images is an important solution for city planning and management, land use analysis. It can be the center piece to answer important questions such as planning…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Sandeep Singh , Christian Wiles , Ahmed Bilal

This study demonstrates a novel use of the U-Net architecture in the field of semantic segmentation to detect landforms using preprocessed satellite imagery. The study applies the U-Net model for effective feature extraction by using…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Mitul Goswami , Sainath Dey , Aniruddha Mukherjee , Suneeta Mohanty , Prasant Kumar Pattnaik

Panoramic segmentation is a scene where image segmentation tasks is more difficult. With the development of CNN networks, panoramic segmentation tasks have been sufficiently developed.However, the current panoramic segmentation algorithms…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Jiahong Wu , Jianfei Lu , Xinxin Kang , Yiming Zhang , Yinhang Tang , Jianfei Song , Ze Huang , Shenglan Ben , Jiashui Huang , Faen Zhang

Semantic segmentation for aerial imagery is a challenging and important problem in remotely sensed imagery analysis. In recent years, with the success of deep learning, various convolutional neural network (CNN) based models have been…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Panfeng Li , Youzuo Lin , Emily Schultz-Fellenz