نتایج جستجو برای: iris color

تعداد نتایج: 133086  

2007
RYSZARD S. CHORAS

Abstract: In CBIR (Content-Based Image Retrieval), visual features such as shape, color and texture are extracted to characterize images. Each of the features is represented using one or more feature descriptors. During the retrieval, features and descriptors of the query are compared to those of the images in the database in order to rank each indexed image according to its distance to the que...

2003
Dorian Weiner Nahum Kiryati

In video-conferencing, the participant watches the screen rather than the camera. This turns the gaze direction away from the other party and makes eye contact impossible. Artificial gaze redirection by iris repositioning was proposed, but the feasibility of crucial algorithmic components, especially the challenging computer vision parts, was not demonstrated. This paper demonstrates a system f...

Journal: :Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society 2012
Frederick M Wang Christian Wertenbaker Hyung Cho Maury A Marmor Sandra S Ahn-Lee Bruno A Bernard

Congenital Horner syndrome is a rare disorder that accounts for less than 5% of all cases of Horner syndrome. Like Horner syndrome in general, it consists primarily of ptosis, miosis, and anhidrosis. Congenital Horner syndrome may manifest some special features such as iris heterochromia since the sympathetic nervous system is an essential component for the development and maintenance of eye co...

2008
Ryszard S. Choraś

In CBIR (Content-Based Image Retrieval), visual features such as shape, color and texture are extracted to characterize images. Each of the features is represented using one or more feature descriptors. During the retrieval, features and descriptors of the query are compared to those of the images in the database in order to rank each indexed image according to its distance to the query. In bio...

Journal: :Hematology/oncology clinics of North America 2012
Yoshihiro Yonekawa Ivana K Kim

Uveal melanoma is the most common primary intraocular malignancy in adults. The disease overwhelmingly affects white populations. Other risk factors include fair skin, light iris color, ancestry from northern latitudes, and ocular/oculodermal melanocytosis. Historically, enucleation was the definitive treatment of uveal melanoma, but brachytherapy and proton beam irradiation are now the most co...

Journal: :iranian red crescent medical journal 0
minas sakellakis division of oncology, department of medicine, university hospital, patras medical school, university of patras, rion 26504, patras, greece; division of oncology, department of medicine, university hospital of patras, rion 26504, greece. tel: +30-2610999535, fax: +30-2610994645 stavros peroukides division of oncology, department of medicine, university hospital, patras medical school, university of patras, rion 26504, patras, greece gregoris iconomou division of oncology, department of medicine, university hospital, patras medical school, university of patras, rion 26504, patras, greece haralabos kalofonos division of oncology, department of medicine, university hospital, patras medical school, university of patras, rion 26504, patras, greece

conclusions physicians should be aware of this rare site of metastasis. early diagnosis is of paramount importance in order to effectively prevent the significant morbidity this condition can cause if left untreated. introduction small cell carcinoma constitutes the most aggressive type of lung cancer, with the greatest propensity for early disseminated disease. although commonly neglected due ...

2018
Raunak Dave Ankit Vyas Shubham Mojidra Prof. Nikita P. Desai

Nowadays research has expanded to extracting auxiliary information from various biometric techniques like fingerprints, face, iris, palm and voice . This information contains some major features like gender, age, beard, mustache, scars, height, hair, skin color, glasses, weight, facial marks and tattoos. All this information contributes strongly to identification of human. The major challenges ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده شیمی 1392

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

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