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A supervised diagnosis system for digital mammogram is developed. The diagnosis processes are done by transforming the data of the images into a feature vector using wavelets multilevel decomposition. This vector is used as the feature…

图像与视频处理 · 电气工程与系统科学 2020-03-09 Essam A. Rashed , and Mohamed G. Awad

The wavelet transform has been used for numerous studies in astrophysics, including signal--noise periodicity and decomposition as well as the signature of differential rotation in stellar light curves. In the present work, we apply the…

太阳与恒星天体物理 · 物理学 2010-09-28 D. B. de Freitas , I. de C. Leão , B. L. Canto Martins , J. R. De Medeiros

Modeling the mass distribution of galaxy-scale strong gravitational lenses is a task of increasing difficulty. The high-resolution and depth of imaging data now available render simple analytical forms ineffective at capturing lens…

天体物理仪器与方法 · 物理学 2022-12-21 Aymeric Galan , Georgios Vernardos , Austin Peel , Frédéric Courbin , Jean-Luc Starck

Wavelet basis functions are a natural tool for analyzing turbulent flows containing localized coherent structures of different spatial scales. Here, wavelets are used to study the onset and subsequent transition to fully developed…

等离子体物理 · 物理学 2022-04-13 Ari Le , Vadim Roytershteyn , Homa Karimabadi , Adam Stanier , Luis Chacon , Kai Schneider

With the increasing growth of technology and the entrance into the digital age, we have to handle a vast amount of information every time which often presents difficulties. So, the digital information must be stored and retrieved in an…

多媒体 · 计算机科学 2012-08-15 Kamrul Hasan Talukder , Koichi Harada

Computer-aided diagnosis (CAD) based on histopathological imaging has progressed rapidly in recent years with the rise of machine learning based methodologies. Traditional approaches consist of training a classification model using features…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Junaid Malik , Serkan Kiranyaz , Suchitra Kunhoth , Turker Ince , Somaya Al-Maadeed , Ridha Hamila , Moncef Gabbouj

We explored the fractal and multifractal characteristics of breast mammogram micrographs to identify quantitative biomarkers associated with breast cancer progression. In addition to conventional fractal and multifractal analyses, we…

医学物理 · 物理学 2025-05-28 Santanu Maity , Mousa Alrubayan , Prabhakar Pradhan

The paper deals with fractal characteristics (Hurst exponent) and wavelet-scaleograms of the information distribution model, suggested by the authors. The authors have studied the effect of Hurst exponent change depending upon the model…

社会与信息网络 · 计算机科学 2016-10-17 D. V. Lande , V. A. Dodonov

Chest radiographs are used for the diagnosis of multiple critical illnesses (e.g., Pneumonia, heart failure, lung cancer), for this reason, systems for the automatic or semi-automatic analysis of these data are of particular interest. An…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Declan McIntosh , Tunai Porto Marques , Alexandra Branzan Albu

Understanding how genetic variants influence cellular-level processes is an important step towards understanding how they influence important organismal-level traits, or "phenotypes", including human disease susceptibility. To this end…

统计方法学 · 统计学 2013-07-30 Heejung Shim , Matthew Stephens

Tissues are fractal due to its self-similar structure, and the fractal dimension change with the abnormalities such as in disease like cancer. The optical imaging of thin slices of tissue using transmission microscopy can produce an…

生物物理 · 物理学 2020-12-29 Liam Elkington , Prakash Adhikari , Prabhakar Pradhan

Natural images are characterized by the multiscaling properties of their contrast gradient, in addition to their power spectrum. In this work we show that those properties uniquely define an {\em intrinsic wavelet} and present a suitable…

统计力学 · 物理学 2009-11-07 A. Turiel , N. Parga

Visual inspection of industrial products is used to determine the control quality for these products. This paper deals with the problem of visual inspection of ceramic tiles industry using Wavelet Transform. The third level the coefficients…

其他计算机科学 · 计算机科学 2010-03-10 Samir Elmougy , Ibrahim El-Henawy , Ahmed El-Azab

Biomarkers which predict patient's survival can play an important role in medical diagnosis and treatment. How to select the significant biomarkers from hundreds of protein markers is a key step in survival analysis. In this paper a novel…

神经与进化计算 · 计算机科学 2013-06-03 Yihui Liu , Uwe Aickelin , Jan Feyereisl , Lindy G. Durrant

We have shown elsewhere that the presence of mixed-culture growth of microbial species in fermentation processes can be detected with high accuracy by employing the wavelet transform. This is achieved because the crosses in the different…

定量方法 · 定量生物学 2010-12-10 H. C. Rosu , J. S. Murguia , V. Ibarra-Junquera

Pap smear testing has been widely used for detecting cervical cancers based on the morphology properties of cell nuclei in microscopic image. An accurate nuclei segmentation could thus improve the success rate of cervical cancer screening.…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Jie Zhao , Quanzheng Li , Xiang Li , Hongfeng Li , Li Zhang

Masked Image Modeling (MIM) has garnered significant attention in self-supervised learning, thanks to its impressive capacity to learn scalable visual representations tailored for downstream tasks. However, images inherently contain…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Wenzhao Xiang , Chang Liu , Hongyang Yu , Xilin Chen

Intra-tumour phenotypic heterogeneity limits accuracy of clinical diagnostics and hampers the efficiency of anti-cancer therapies. Dealing with this cellular heterogeneity requires adequate understanding of its sources, which is extremely…

Breast cancer is one of the most common cancers in women worldwide, and early detection can significantly reduce the mortality rate of breast cancer. It is crucial to take multi-scale information of tissue structure into account in the…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Mo Zhang , Quanzheng Li

Cell instance segmentation in fluorescence microscopy images is becoming essential for cancer dynamics and prognosis. Data extracted from cancer dynamics allows to understand and accurately model different metabolic processes such as…