Results 51 to 60 of about 13,678 (263)

Shallow Marine High-Resolution Optical Mosaics Based on Underwater Scooter-Borne Camera

Sensors, 2023
Optical cameras equipped with an underwater scooter can perform efficient shallow marine mapping. In this paper, an underwater image stitching method is proposed for detailed large scene awareness based on a scooter-borne camera, including preprocessing,
Yiyuan Liu, Xinwei Wang, Liang Sun, Jianan Chen, Jun He, Yan Zhou   +5 more
doaj   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

An Improved SIFT Underwater Image Stitching Method

Applied Sciences, 2023
Underwater image stitching is a technique employed to seamlessly merge images with overlapping regions, creating a coherent underwater panorama. In recent years, extensive research efforts have been devoted to advancing image stitching methodologies for ...
Haosu Zhang, Ruohan Zheng, Wenrui Zhang, Jinxin Shao, Jianming Miao   +4 more
doaj   +1 more source

Bioinspired Co‐Assembly Enables Multiscale Architected Hydrogels for 3D Printing With Integrated Antibacterial and Bioactive Functions

Advanced Functional Materials, EarlyView.
A multicomponent supramolecular hydrogel integrating cell‐adhesive and antibacterial peptides within an alginate‐cellulose nanofibril matrix is developed. Peptide co‐assembly simultaneously strengthens the hydrogel network, improves extrusion printability, and imparts cell‐adhesive and antibacterial functions, offering a versatile platform for ...
Mor Tsuriano‐Zernichov, Francesca Netti, Sigal Rencus‐Lazar, Moran Aviv, Lihi Adler‐Abramovich   +4 more
wiley   +1 more source

Joint Optimization in Underwater Image Enhancement: A Training Framework Integrating Pixel-Level and Physical-Channel Techniques

IEEE Access
In recent years, with the increasing interest in marine research, the need to collect and process clear underwater optical images has become crucial. However, underwater images suffer from the absorption and scattering effects of the environment. In this
Ozan Demir, Metin Aktas, Ender M. Eksioglu   +2 more
doaj   +1 more source

Underwater Single-Image Restoration with Transmission Estimation Using Color Constancy

Journal of Marine Science and Engineering, 2022
The issue of underwater image restoration was investigated in this paper. Specifically, the color constancy of a single image was used to estimate the transmission map (TM), which can be used in the image formation model to restore the underwater image ...
Wenbo Zhang, Weidong Liu, Le Li
doaj   +1 more source

Dynamically Actuated Reconfigurable Topographical Surface Enables Active Control of Implant‐Associated Infections

Advanced Functional Materials, EarlyView.
A dynamically actuated reconfigurable topographical surface (DARTS) integrates contact‐mediated bactericidal nanotopography with programmable mechanical actuation to actively disrupt bacterial biofilms. Dynamic surface reconfiguration enhances bacterial killing and suppresses implant‐associated infections in vivo, providing a new strategy for active ...
Mohammad Asadi Tokmedash, Jihun Lee, J. Scott VanEpps, Sungmin Nam, Jouha Min   +4 more
wiley   +1 more source

Underwater image matching by incorporating structural constraints

International Journal of Advanced Robotic Systems, 2017
Underwater robot plays an important role in underwater perception and manipulation tasks. Vision information processing is essential for the intelligent perception of an underwater robot, in which image matching is a fundamental topic.
Xu Yang, Zhi-Yong Liu, Hong Qiao, Yong-Bo Song, Shu-Nan Ren, Da-Xiong Ji, Sui-Wu Zheng   +6 more
doaj   +1 more source

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

Advanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon, Jian Ni, Sungmo Park, Yang Xu, Yong Chen   +4 more
wiley   +1 more source

Underwater Image Enhancement Based on Light Field-Guided Rendering Network

Journal of Marine Science and Engineering
Underwater images often encounter challenges such as attenuation, color distortion, and noise caused by artificial lighting sources. These imperfections not only degrade image quality but also impose constraints on related application tasks.
Chia-Hung Yeh, Yu-Wei Lai, Yu-Yang Lin, Mei-Juan Chen, Chua-Chin Wang   +4 more
doaj   +1 more source