Results 51 to 60 of about 98,726 (338)

Fractal dimension images from SAR images [PDF]

2014 IEEE International Conference on Image Processing (ICIP), 2014
In this paper we present the description of the image-processing issues underlying the estimation of the fractal dimension of natural surfaces from their corresponding synthetic aperture radar images. The choice of the spectral-estimation method is a key issue, due to the special nature of the problem at hand.
RICCIO, DANIELE, DI MARTINO, GERARDO, IODICE, ANTONIO, RUELLO, GIUSEPPE, ZINNO, IVANA   +4 more
openaire   +3 more sources

Overcoming the Stability Issue for Hydrophobic Hole Transporting Layers Utilized in Tin‐Lead Perovskite and Tandem Solar Cells

Advanced Functional Materials, EarlyView.
A non‐annealed process is developed for non‐PEDOT:PSS inverted tin‐lead perovskite solar cells to attain PCE 22.67% for the PTAA‐based device. When PTAA is applied in an all‐perovskite tandem solar cell, a record efficiency of 28.14% is obtained with great stability for the efficiency maintaining 96% of its original value for 500 h under one‐sun ...
Chun‐Hsiao Kuan, Xianyuan Jiang, Qilin Zhou, Xin Wen, Sung‐Fu Hung, Hsin‐Lung Chen, Yun‐Sheng Shih, Sudhakar Narra, Mingyu Ma, Jau‐Wern Chiou, Jhih‐Min Lin, Yi Hou, Eric Wei‐Guang Diau   +12 more
wiley   +1 more source

Detection and classification of breast cancer in wavelet sub-bands of fractal segmented cancerous zones

Journal of Medical Signals and Sensors, 2015
Recent studies on wavelet transform and fractal modeling applied on mammograms for the detection of cancerous tissues indicate that microcalcifications and masses can be utilized for the study of the morphology and diagnosis of cancerous cases.
Alireza Shirazinodeh, Hossein Ahmadi Noubari, Hossein Rabbani, Alireza Mehri Dehnavi   +3 more
doaj   +1 more source

ELECTRON MICROSCOPY ANALYSIS OF SEMI-COKE FROM THE MICROWAVE PYROLYSIS OF OIL SHALE WITH ITS FRACTAL DESCRIPTION; pp. 209–228 [PDF]

Oil Shale, 2010
This paper discusses the potential use of microwave technology as an energy-efficient alternative to current heating technologies employed for treatment of Jilin Huadian oil shale and analyzes the surface pore structure of its semi-coke particle by a ...
WANG QING, LIU TONG, LIU HONGPENG, QIN HONG, LI SHAOHUA   +4 more
doaj   +1 more source

Fractal Image Editing with PhotoFrac

Journal of Science and Technology of the Arts, 2016
Journal of Science and Technology of the Arts, v. 8 n. 2 (2016)
Tim McGraw, Esteban Garcia Bravo, Jo McGraw, Lisa Parker   +3 more
openaire   +4 more sources

High Energy Density Asymmetric Aqueous Supercapacitor Based on a 2D Manganese Carbide as a Positive Electrode

Advanced Functional Materials, EarlyView.
A circular route, involving upcycling of waste surgical masks, affords a Mn‐based layered carbide with porosity, redox activity and low work function. These features enable its effective operation as positive supercapacitor electrode in an aqueous asymmetric supercapacitor delivering 213 Wh L−1 energy density.
Debabrata Nandi, Smita Talande, Aby Cheruvathoor Poulose, Gabor Ersek, Giuseppe Portale, Michal Otyepka, Radek Zbořil, Aristides Bakandritsos   +7 more
wiley   +1 more source

Multiscale Fractal Descriptors Applied to Nanoscale Images

, 2012
This work proposes the application of fractal descriptors to the analysis of nanoscale materials under different experimental conditions. We obtain descriptors for images from the sample applying a multiscale transform to the calculation of fractal ...
Bruno, Odemir M., Florindo, João B., Pereira, Ernesto C., Sikora, Mariana S.   +3 more
core   +1 more source

Smart Catheters for Diagnosis, Monitoring, and Therapy

Advanced Healthcare Materials, EarlyView.
This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman, Samiha Ahmed, Majed Othman Althumayri, Megan Guy, Darlenne Chavez Lugo, Frances S. Ligler, George T. Ligler, Rahmi Oklu, Hiroshi Kawahira, Michael J. McShane, Jun Kameoka, Jonathan Bova, Hatice Ceylan Koydemir   +12 more
wiley   +1 more source

Fractal-Inspired Region-Weighted Optimization and Enhanced MobileNet for Medical Image Classification

Fractal and Fractional
In the field of deep learning, the design of optimization algorithms and neural network structures is crucial for improving model performance. Recent advances in medical image analysis have revealed that many pathological features exhibit fractal-like ...
Yichuan Shao, Jiapeng Yang, Wen Zhou, Haijing Sun, Qian Gao   +4 more
doaj   +1 more source

Increasing the Speed of Fractal Image Compression Using Two-Dimensional Approximating Transformations

Журнал інженерних наук, 2019
Fractal image compression algorithm is known for allowing very high compression rates (the best examples – up to 1 000 times with acceptable visual quality) for real photos of natural objects, which is not possible for other lossy compression methods ...
Maydaniuk V. P., Arseniuk I. R., Lishchuk O. O.   +2 more
doaj   +1 more source