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The satellite imagery classification task is fundamental to spatial knowledge discovery. Several image classification methods are used to create standardized Land use and Land cover (LULC) maps, which facilitate research on spatial and…

Computers and Society · Computer Science 2020-05-04 Deepank Verma , Arnab Jana

Remotely sensed data are dominated by mixed Land Use and Land Cover (LULC) types. Spectral unmixing (SU) is a key technique that disentangles mixed pixels into constituent LULC types and their abundance fractions. While existing studies on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 José Rodríguez-Ortega , Rohaifa Khaldi , Domingo Alcaraz-Segura , Siham Tabik

Many end-to-end Automatic Speech Recognition (ASR) systems still rely on pre-processed frequency-domain features that are handcrafted to emulate the human hearing. Our work is motivated by recent advances in integrated learnable feature…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-19 Ludwig Kürzinger , Nicolas Lindae , Palle Klewitz , Gerhard Rigoll

We propose Boundary-RL, a novel weakly supervised segmentation method that utilises only patch-level labels for training. We envision the segmentation as a boundary detection problem, rather than a pixel-level classification as in previous…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Weixi Yi , Vasilis Stavrinides , Zachary M. C. Baum , Qianye Yang , Dean C. Barratt , Matthew J. Clarkson , Yipeng Hu , Shaheer U. Saeed

Hashing learns compact binary codes to store and retrieve massive data efficiently. Particularly, unsupervised deep hashing is supported by powerful deep neural networks and has the desirable advantage of label independence. It is a…

Multimedia · Computer Science 2021-08-10 Hui Cui , Lei Zhu , Jingjing Li , Zhiyong Cheng , Zheng Zhang

While there are novel point cloud semantic segmentation schemes that continuously surpass state-of-the-art results, the success of learning an effective model usually rely on the availability of abundant labeled data. However, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Puzuo Wang , Wei Yao

Tree instance segmentation of airborne laser scanning (ALS) data is of utmost importance for forest monitoring, but remains challenging due to variations in the data caused by factors such as sensor resolution, vegetation state at…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Swann Emilien Céleste Destouches , Jesse Lahaye , Laurent Valentin Jospin , Jan Skaloud

The visual detection and tracking of surface terrain is required for spacecraft to safely land on or navigate within close proximity to celestial objects. Current approaches rely on template matching with pre-gathered patch-based features,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Timothy Chase , Karthik Dantu

In recent years, machine learning has become crucial in remote sensing analysis, particularly in the domain of Land-use/Land-cover (LULC). The synergy of machine learning and satellite imagery analysis has demonstrated significant…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Mingshi Li , Dusan Grujicic , Steven De Saeger , Stien Heremans , Ben Somers , Matthew B. Blaschko

Large language models (LLMs) have significantly advanced natural language processing, excelling in areas like text generation, summarization, and question-answering. Despite their capabilities, these models face challenges when fine-tuned…

Computation and Language · Computer Science 2024-12-23 Ali Hamdi , Hozaifa Kassab , Mohamed Bahaa , Marwa Mohamed

Inland water body segmentation from Synthetic Aperture Radar (SAR) images is an important task needed for several applications, such as flood mapping. While SAR sensors capture data in all-weather conditions as high-resolution images,…

Image and Video Processing · Electrical Eng. & Systems 2025-05-07 Siddharth Kothari , Srinivasan Murali , Sankalp Kothari , Ujjwal Verma , Jaya Sreevalsan-Nair

The rapid advancements in Large Language Models (LLMs) have revolutionized various natural language processing tasks. However, the substantial size of LLMs presents significant challenges in training or fine-tuning. While…

Machine Learning · Computer Science 2025-06-10 Pengxiang Li , Lu Yin , Xiaowei Gao , Shiwei Liu

We propose a novel deep layer cascade (LC) method to improve the accuracy and speed of semantic segmentation. Unlike the conventional model cascade (MC) that is composed of multiple independent models, LC treats a single deep model as a…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Xiaoxiao Li , Ziwei Liu , Ping Luo , Chen Change Loy , Xiaoou Tang

We address the detection of material defects, which are inside a layered material structure using compressive sensing based multiple-input and multiple-output (MIMO) wireless radar. Here, the strong clutter due to the reflection of the…

Signal Processing · Electrical Eng. & Systems 2022-04-18 Udaya S. K. P. Miriya Thanthrige , Peter Jung , Aydin Sezgin

Many problems in signal processing require finding sparse solutions to under-determined, or ill-conditioned, linear systems of equations. When dealing with real-world data, the presence of outliers and impulsive noise must also be accounted…

Statistics Theory · Mathematics 2017-05-08 Jasin Machkour , Michael Muma , Bastian Alt , Abdelhak M. Zoubir

The use of spatially explicit land use and land cover (LULC) change models is widespread in environmental sciences and of interest in public decision-help. However, it appears that these models suffer from significant biases and…

Applications · Statistics 2022-04-01 François-Rémi Mazy , Pierre-Yves Longaretti

Accurate wetland land-cover classification is essential for environmental monitoring, biodiversity assessment, and sustainable ecosystem management. However, the scarcity of annotated data, especially for high-resolution satellite imagery,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Eva Gmelich Meijling , Roberto Del Prete , Arnoud Visser

Accurate land cover classification from satellite imagery is crucial in environmental monitoring and sustainable resource management. However, it remains challenging due to the complexity of natural landscapes, the visual similarity between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Debopom Sutradhar , Arefin Ittesafun Abian , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sheikh Izzal Azid , Sami Azam

Training deep neural networks with noise and data heterogeneity is a major challenge. We introduce Lightweight Learnable Adaptive Weighting (LiLAW), a method that dynamically adjusts the loss weight of each training sample based on its…

Machine Learning · Computer Science 2026-05-14 Abhishek Moturu , Muhammad Muzammil , Anna Goldenberg , Babak Taati

Spatial downsampling layers are favored in convolutional neural networks (CNNs) to downscale feature maps for larger receptive fields and less memory consumption. However, for discriminative tasks, there is a possibility that these layers…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Ziteng Gao , Limin Wang , Gangshan Wu