activity
20232026
most citedA Convolutional Vision Transformer for Semantic Segmentation of Side-Scan Sonar Data

26 citations · 30 across the 12 of their papers we have counts for

collaborators

15 papers

cs.CV2026

Weakly Supervised Seafloor Segmentation for Seagrass Habitat Mapping in Side-Scan Sonar Imagery

Hayat Rajani, Nuno Gracias, Rafael Garcia

Seagrass meadows are crucial blue-carbon habitats, and mapping their extent is a prerequisite for coastal management and carbon inventory. Optical satellite sensors cover large are…

cs.CV2026

BenthicDINO: Physics-Informed Self-Distillation for View-Invariant Side-Scan Sonar Representations

Taqi Hamoda, Hayat Rajani, Nuno Gracias

Automated interpretation of side-scan sonar (SSS) imagery is traditionally hindered by view-dependence, as recorded intensities inextricably conflate intrinsic seabed reflectivity…

physics.ao-ph2026

SC-Match: Scale-Space Matching with Context Consistency for Side-Scan Sonar Mapping

Can Lei, Rafael Garcia, Nuno Gracias +2

Reliable estimation of spatial correspondences between overlapping side-scan sonar (SSS) measurements is essential for mapping, but acoustic appearance variations, weak seabed text…

physics.ao-ph2026

Geometric Correction of Side-Scan Sonar Images with Image-Consistent Attitude Refinement

Can Lei, Valerio Franchi, Hayat Rajani +3

Side-scan sonar (SSS) images are susceptible to motion-induced geometric distortion, which degrades their reliability for seabed interpretation and downstream tasks. Existing corre…

physics.ao-ph2026

Physically Motivated Knowledge Distillation for Blind Geometric Correction of Side-Scan Sonar Imagery

Can Lei, Hayat Rajani, Valerio Franchi +4

Side-scan sonar (SSS) imagery is susceptible to geometric distortions caused by platform motion instability, which degrade geometric consistency and limit downstream analyses such…

physics.ao-ph2025

PhysDNet: Physics-Guided Decomposition Network of Side-Scan Sonar Imagery

Can Lei, Hayat Rajani, Nuno Gracias +2

Side-scan sonar (SSS) imagery is widely used for seafloor mapping and underwater remote sensing, yet the measured intensity is strongly influenced by seabed reflectivity, terrain e…

physics.geo-ph2025

Coarse-to-Fine Non-Rigid Registration for Side-Scan Sonar Mosaicking

Can Lei, Nuno Gracias, Rafael Garcia +2

Side-scan sonar mosaicking plays a crucial role in large-scale seabed mapping but is challenged by complex non-linear, spatially varying distortions due to diverse sonar acquisitio…

cs.CV2025

BenthiCat: An opti-acoustic dataset for advancing benthic classification and habitat mapping

Hayat Rajani, Valerio Franchi, Borja Martinez-Clavel Valles +3

Benthic habitat mapping is fundamental for understanding marine ecosystems, guiding conservation efforts, and supporting sustainable resource management. Yet, the scarcity of large…

physics.ins-det2025

A Geometrically Consistent Matching Framework for Side-Scan Sonar Mapping

Can Lei, Hayat Rajani, Nuno Gracias +2

Robust matching of side-scan sonar imagery remains a fundamental challenge in seafloor mapping due to view-dependent backscatter, shadows, and geometric distortion. This paper prop…

cs.CV2025

eStonefish-Scenes: A Sim-to-Real Validated and Robot-Centric Event-based Optical Flow Dataset for Underwater Vehicles

Jad Mansour, Sebastian Realpe, Hayat Rajani +3

Event-based cameras (EBCs) are poised to transform underwater robotics, yet the absence of labelled event-based datasets for underwater environments severely limits progress in tas…

cs.CV2025

Hyperspectral Imaging for Identifying Foreign Objects on Pork Belly

Gabriela Ghimpeteanu, Hayat Rajani, Josep Quintana +1

Ensuring food safety and quality is critical in the food processing industry, where the detection of contaminants remains a persistent challenge. This study presents an automated s…

cs.RO2025★ 3 cited

Stonefish: Supporting Machine Learning Research in Marine Robotics

Michele Grimaldi, Patryk Cieslak, Eduardo Ochoa +6

Simulations are highly valuable in marine robotics, offering a cost-effective and controlled environment for testing in the challenging conditions of underwater and surface operati…

eess.IV2025

The iToBoS dataset: skin region images extracted from 3D total body photographs for lesion detection

Anup Saha, Joseph Adeola, Nuria Ferrera +14

Artificial intelligence has significantly advanced skin cancer diagnosis by enabling rapid and accurate detection of malignant lesions. In this domain, most publicly available imag…

cs.CV2024★ 1 cited

eCARLA-scenes: A synthetically generated dataset for event-based optical flow prediction

Jad Mansour, Hayat Rajani, Rafael Garcia +1

The joint use of event-based vision and Spiking Neural Networks (SNNs) is expected to have a large impact in robotics in the near future, in tasks such as, visual odometry and obst…

cs.CV2023★ 26 cited

A Convolutional Vision Transformer for Semantic Segmentation of Side-Scan Sonar Data

Hayat Rajani, Nuno Gracias, Rafael Garcia

Distinguishing among different marine benthic habitat characteristics is of key importance in a wide set of seabed operations ranging from installations of oil rigs to laying netwo…