نتایج جستجو برای: computeraided diagnosis texture analysis

تعداد نتایج: 3234260  

Journal: :Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie 2006
K Kayser D Radziszowski P Bzdyl R Sommer G Kayser

AIMS To describe the theory and develop an automated virtual slide screening system. Theoretical considerations. Tissue-based diagnosis separates into (a) sampling procedure to allocate the slide area containing diagnostic information, and (b) evaluation of diagnosis from the selected area. Nyquist's theorem broadly applied in acoustics, serves to presetting the sampling accuracy. Tissue-based ...

2017
Katrine Harder Joselene Marques Line Clemmensen Erik Dam

We present a texture analysis methodology that combines uncommitted machine-learning techniques and sparse feature transformation methods in a fully automatic framework. We compare the performances of a partial least squares (PLS) forward feature selection strategy to a hard threshold sparse PLS algorithm and a sparse linear discriminant model. The texture analysis framework was applied to diag...

2006
A. Karahaliou I. Boniatis S. Skiadopoulos P. Sakellaropoulos E. Likaki G. Panayiotakis L. Costaridou

Computer-aided systems in mammography focus on detection and characterization/diagnosis of lesions (masses and microcalcifications). Characterization of microcalcifications (MCs) is challenged by the presence of dense breast parenchyma, resulting in low specificity values and thus in unnecessary biopsies. Automated characterization of MCs is mainly based on morphology analysis; the current stud...

Journal: :Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2011
Violeta Tenorio Elisenda Bonet-Carne Francesc Botet Ferran Marques Ivan Amat-Roldan Eduard Gratacos

OBJECTIVES Diagnosis of white matter damage by cranial ultrasound imaging is still subject to interobserver variability and has limited sensitivity for predicting abnormal neurodevelopment later in life. In this study, we evaluated the ability of a semiautomated method based on ultrasound texture analysis to identify patterns that correlate with the ultrasound diagnosis of white matter damage. ...

2013
Lili Niu Ming Qian Wei Yang Long Meng Yang Xiao Kelvin K. L. Wong Derek Abbott Xin Liu Hairong Zheng

There is a strong research interest in identifying the surface roughness of the carotid arterial inner wall via texture analysis for early diagnosis of atherosclerosis. The purpose of this study is to assess the efficacy of texture analysis methods for identifying arterial roughness in the early stage of atherosclerosis. Ultrasound images of common carotid arteries of 15 normal mice fed a norma...

2012
Cristian Vicas Monica Lupsor Paton Mihai Socaciu Sergiu Nedevschi Radu Badea

Texture analysis is viewed as a method to enhance the diagnosis power of classical B-mode ultrasound image. The present paper aims to evaluate and eliminate the dependence between the human expert and the performance of such a texture analysis system in predicting the cirrhosis in chronic hepatitis C patients. 125 consecutive chronic hepatitis C patients were included in this study. Ultrasound ...

Akbar Gharbali, Golbarg Nourozi Leyla Dinparast,

Introduction: To explore diagnostic potential of computerize texture analysis methods in discrimination of the normal, benign and malignant ovarian lesions by CT scan imaging.   Materials and Methods: Ovarian CT image database consists of 10 normal, 10 benign and 3 malignant which were reported by radiologist and proven by clinical examinat...

Journal: :journal of food and bioprocess engineering 0
mohammad hojjati ramin agriculture and natural resources university of khouzestan, department of food science and technology, mollasani, ahwaz, iran marisa speziale università degli studi mediterranea di reggio calabria. dipartimento di biotecnologie per il monitoraggio agro-alimentare ed ambientale. c. da melissari - iii lotto - 89124 reggio calabria, italy laura vázquez-araújo universidad miguel hernández de elche, departamento de tecnología agroalimentaria. grupo calidad y seguridad alimentaria. carretera de beniel, km 3.2. 03312-orihuela, alicante, spain antonio mincione università degli studi mediterranea di reggio calabria. dipartimento di biotecnologie per il monitoraggio agro-alimentare ed ambientale. c. da melissari - iii lotto - 89124 reggio calabria, italy angel antonio carbonell-barrachina universidad miguel hernández de elche, departamento de tecnología agroalimentaria. grupo calidad y seguridad alimentaria. carretera de beniel, km 3.2. 03312-orihuela, alicante, spain

the characteristic texture of turrón, torrone and nougat was examined. they are typical european confections prepared from almonds, honey, sugars and/or chocolate. three different instrumental tests: puncture, cutting, and texture profile analysis (tpa), were used in this study and samples prepared from three countries (spain, italy, and france), and by six manufacturing companies (two companie...

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