Results 51 to 60 of about 179 (123)

Comparing Undecimated Wavelet, Nonsubsampled Contourlet and Shearlet for Sar Images Despeckling

Majlesi Journal of Electrical Engineering
Synthetic Aperture Radar (SAR) images suffer of multiplicative speckle noise, which damages the radiometric resolution of SAR images and makes the data interpretation difficult.
Saeed Jafari, Sedigheh Ghofrani, M. Sheikhan   +2 more
doaj  

Efficient automated detection of power quality disturbances using nonsubsampled contourlet transform & PCA-SVM

Energy Exploration & Exploitation
The increasing complexity of modern power systems, driven by smart grid technologies, dispersed generation, and renewable energy sources, has made power quality (PQ) evaluation more challenging.
Pampa Sinha, Kaushik Paul, Asit Mohanty, IM Elzein, Chandra Sekhar Mishra, Mohamed Metwally Mahmoud, Daniel Eutyche Mbadjoun Wapet, Abdulrahman Al Ayidh, Ahmed Althobaiti, Hany S Hussein, Thamer AH Alghamdi, Ahmed M Ewais   +11 more
doaj   +1 more source

Fusion of ESRGAN, Adaptive NSCT, and Multi-Attention CNN With Wavelet Transform for Histopathological Image Classification

IEEE Access
Breast cancer is a prominent reason of death amidst females and is considered one of the most widespread types of cancer. Early detection is crucial for effective treatment.
Sufiyan Bashir Mukadam, Hemprasad Yashwant Patil   +1 more
doaj   +1 more source

Fusion of full-field optical angiography images via gradient feature detection

Frontiers in Physics
Full-field optical angiography (FFOA)—a real-time non-invasive imaging technique for extracting biological blood microcirculation information—contributes to an in-depth understanding of the functional and pathological changes of biological tissues ...
Gao Wang, Jiangwei Li, Haishu Tan, Xiaosong Li   +3 more
doaj   +1 more source

Image fusion method based on simultaneous sparse representation with non‐subsampled contourlet transform

IET Computer Vision, 2019
The image fusion method based on sparse representation in the single‐scale image domain has produced better fusion results than the classic methods based on multi‐scale analysis nowadays.
Guiqing He, Siyuan Xing, Xingjian He, Jun Wang, Jianping Fan   +4 more
doaj   +1 more source

Classifying Power Quality Issues in Railway Electrification Systems Using a Nonsubsampled Contourlet Transform Approach

Engineering Reports
Railway electrification systems (ESs) pose significant challenges due to highly variable power demands and dynamic train operations. Effective power quality (PQ) monitoring for high‐speed trains (HSTs) is crucial for maintaining stable and uninterrupted ...
Pampa Sinha, Kaushik Paul, I. M. Elzein, Mohamed Metwally Mahmoud, Ali M. El‐Rifaie, Wulfran Fendzi Mbasso, Ahmed M. Ewais   +6 more
doaj   +1 more source

Multimodal medical image fusion algorithm based on pulse coupled neural networks and nonsubsampled contourlet transform. [PDF]

Med Biol Eng Comput, 2023
Ibrahim SI, Makhlouf MA, El-Tawel GS.
europepmc   +1 more source

Sparse Representation-Based Multi-Focus Image Fusion Method via Local Energy in Shearlet Domain. [PDF]

Sensors (Basel), 2023
Li L, Lv M, Jia Z, Ma H.
europepmc   +1 more source

A multimodal fusion method for Alzheimer's disease based on DCT convolutional sparse representation. [PDF]

Front Neurosci, 2022
Zhang G, Nie X, Liu B, Yuan H, Li J, Sun W, Huang S.   +6 more
europepmc   +1 more source

Study on Spatiotemporal Coupling Between Urban Form and Carbon Footprint from the Perspective of Color Nighttime Light Remote Sensing

Remote Sensing
This study addresses the limitations of traditional nighttime light remote sensing data in ground object feature recognition and carbon emission monitoring by proposing a fusion framework based on Nonsubsampled Contourlet Transform (NSCT) and Intensity ...
Jingwen Li, Xinyi Gong, Yanling Lu, Jianwu Jiang   +3 more
doaj   +1 more source