نتایج جستجو برای: surf و mser
تعداد نتایج: 763465 فیلتر نتایج به سال:
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 ...
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...
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...
Surface-wave interferometry on single subwavelength slit-groove structures fabricated on gold films.
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...
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...
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...
[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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