نتایج جستجو برای: surf و mser

تعداد نتایج: 763465  

Journal: :Scientific American 1871

Journal: :The Iowa Review 1970

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده فنی 1393

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

Journal: :Asian Journal of Research in Computer Science 2023

Document recognition is required to convert handwritten and text documents into digital equivalents, making them more easily accessible convenient store. This study combined feature extraction techniques for recognizing Yorùbá in an effort preserve the cultural values heritages of people. Ten were acquired from Kwara State University’s Library, ten indigenous literate writers wrote version docu...

Journal: :Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 2011
Johannes Feulner Shaohua Kevin Zhou Elli Angelopoulou Sascha Seifert Alexander Cavallaro Joachim Hornegger Dorin Comaniciu

In this paper, a method is described to automatically estimate the visible body region of a computed tomography (CT) volume image. In order to quantify the body region, a body coordinate (BC) axis is used that runs in longitudinal direction. Its origin and unit length are patient-specific and depend on anatomical landmarks. The body region of a test volume is estimated by registering it only al...

Journal: :Optics express 2007
F Kalkum G Gay O Alloschery J Weiner H J Lezec Y Xie M Mansuripur

We apply the technique of far-field interferometry to measure the properties of surface waves generated by two-dimensional (2D) single subwavelength slit-groove structures on gold films. The effective surface index of refraction n(surf) measured for the surface wave propagating over a distance of more than 12 mum is determined to be n(surf) = 1.016+/-0.004, to within experimental uncertainty cl...

2012
Shinfeng D. Lin Bo-Feng Liu Jia-Hong Lin

Recently, the techniques of face recognition have been widely used in security application such as security monitoring, and access control. However, there are still some problems in face recognition system in which the light changes, expression changes, head movements and accessory occlusion are the main issues. In this article, a robust face recognition scheme is proposed. Speeded-Up Robust Fe...

2009
Ciarán Ó Conaire Michael Blighe Noel E. O'Connor

The SenseCam is a wearable camera that automatically takes photos of the wearer’s activities, generating thousands of images per day. Automatically organising these images for efficient search and retrieval is a challenging task, but can be simplified by providing semantic information with each photo, such as the wearer’s location during capture time. We propose a method for automatically deter...

2006
Jérôme Aucan David Fee Milton Garcés

[1] Synchronous infrasonic, video, and wave height measurements were performed during high surf at Polihale beach, Kauai, on March 4–12, 2005. During the experiment, atmospheric sound levels in the 0.5–20 Hz frequency band were associated with large breaking ocean waves. The envelope of surf infrasound signals yields breaking wave periods comparable to those derived from nearshore sea surface e...

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