نتایج جستجو برای: edge detection algorithms

تعداد نتایج: 958579  

Journal: :journal of advances in computer research 0
farnaz hoseini department of computer engineering, rasht branch, islamic azad university, rasht, iran asadollah shahbahrami department of computer engineering, faculty of engineering, university of guilan, rasht, iran anaram yaghoobi notash department of computer engineering, rasht branch, islamic azad university, rasht, iran peyman bayat department of computer engineering, collage of engineering, rasht branch, islamic azad university, rasht, iran

according to world health organization, breast cancer is one of the most deadly cancers occurred in women. therefore accurate diagnosis and prediction is important to decrease the high death rate. the aim of this paper is twofold. first, improving breast cancer detection accuracy using modified fuzzy logic (mfl) then improving the performance of mfl algorithm using gpu platform. the experimenta...

Journal: :iranian journal of radiation research 0
m. mohammadi deptartment of medical physics, faculty of medicine, hamadan university of medical sciences, hamadan, iran sh. nabavi deptartment of computer engineering, islamic azad university, hamadan branch, hamadan, iran

background: to reduce uncertainties of patient positioning, the computerized tomography (ct) images acquired at the treatment planning time can be compared with those images obtained during radiation dose delivery. this can be followed during dose delivery procedure as image guided radiotherapy (igrt) to verify the prescribed radiation dose delivery to the target as well as to monitor radiation...

Journal: :Applied sciences 2021

Edges are a basic and fundamental feature in image processing, that used directly or indirectly huge amount of applications. Inspired by the expansion resolution processing power dilated convolution techniques appeared. Dilated have impressive results machine learning, we discuss here idea dilating standard filters which edge detection algorithms. In this work try to put together all our previo...

Journal: :IOSR Journal of Computer Engineering 2012

Journal: :فیزیک زمین و فضا 0
وحید ابراهیم زاده اردستانی مؤسسه ژئوفیزیک دانشگاه تهران- دانشیار

measurements of the tilt angle of potential fields can be a useful aid to their interpretation. there are several varieties of the methods in use, such as tilt angle, and the derivative of tilt angle. tilt angle filters are used for exact edge detection of the rectangular bodies artificially by writing a matlab code. the gravity effects of these models are computed by standard algorithms. the e...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

Journal: :international journal of automotive engineering 0
a. khodayari m. yousefi

in recent years due to improvements of technology within automobile industry, design process of advanced driver assistance systems for collision avoidance and traffic management has been investigated in both academics and industrial levels. detection of traffic signs is an effective method to reach the mentioned aims. in this paper a new intelligent driver assistance system based on traffic sig...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

2014
Wang Jie

Analysis and several common edge detection algorithm is improved, and put them in the original experiment results were compared with the results in this paper, we defined the new threshold, fully explained in this paper, we define the rationality and validity of the threshold value. Kirsch of traditional algorithm was improved, and improve the efficiency of the algorithm, and verify the rationa...

Journal: :IJAPUC 2016
Yin Huan

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