نتایج جستجو برای: contour

تعداد نتایج: 23072  

E. Kabir and R. Azmi, H. Nezamabadi-Pour,

In this paper, a modified segmentation algorithm for printed Farsi words is presented. This algorithm is based on a previous work by Azmi that uses the conditional labeling of the upper contour to find the segmentation points. The main objective is to improve the segmentation results for low quality prints. To achieve this, various modifications on local baseline detection, contour labeling an...

Journal: :Astronomy & Geophysics 2002

Journal: :medical journal of islamic republic of iran 0
mt. peivandi department of orthopedics, emdadi hospital, mashhad university ofmedical sciences, fadaian-e-eslam ave, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)سازمان های دیگر: emdadi hospital e. ameri department of orthopedics, shafa yahyaiian hospital, iran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: shafa yahyaiian hospital b. mobini department of orthopedics, shafa yahyaiian hospital, iran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: shafa yahyaiian hospital a. mohtashemi department of orthopedics, shafa yahyaiian hospital, iran university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: shafa yahyaiian hospital

abstract objective: to present the changes in projected thoracic hypokyphosis and the behavior of lumbar lordosis within and below the fusion and to compare these changes between the harrington rod (hr) and posterior multisegmented hook instrumentation. methods: 178 patients with idiopathic scoliosis, who had undergone posterior spinal fusion with harrington technique (106 patients) or multiseg...

Journal: :Perception & Psychophysics 2001

2000
Xun Wang William G. Wee

A divide and conquer strategy in the deformable contour method is presented. An initial inside closed contour is divided into segments, and these segments are allowed to deform separately preserving segments’ connectivity. A deformable contour algorithm is adapted to each contour segment movement. A maximum area threshold, A,,,, is used to stop these outward contour segment marchings. Clear and...

2004
Jie Zhang

In this paper, I argue that the positional restrictions of contour tones do not result from their bimoraicity requirement for licensing. The arguments come from the licensing advantage of syllables in positions that are not moraically privileged, the extra levels of markedness distinction in contour tones that go beyond the maximum mora count allowed in the theory, the differences among contour...

E Meskini, K Kazemi, M S Helfroush M Sepaskhah

Background: With advances in medical imaging systems, digital dermoscopy has become one of the major imaging modalities in the analysis of skin lesions. Thus, automated segmentation or border detection has a great impact on the subsequent steps of skin cancer computer-aided diagnosis using demoscopy images. Since dermoscopy images suffer from artifacts such as shading and hair, there is a need ...

Journal: :مدیریت خاک و تولید پایدار 0
سعیده مرزوان دانشگاه گیلان حسین اسدی عضو هیات علمی دانشگاه گیلان ناصر دواتگر موسسه تحقیقات برنج کشور

to study the effects of scale and tillage management on variability of soil properties in adjacent lands of different tillage type, soil sampling was performed linearly along contour line from the middle position of slope with 5 m intervals. in overall, 45 soil samples were collected from a field with conventional up-down tillage and 40 samples from an adjacent filed with contour tillage. soil ...

Journal: :Image Vision Comput. 2009
B. R. Schlei

In this paper, a new framework for one-dimensional contour extraction from discrete two-dimensional data sets is presented. Contour extraction is important in many scientific fields such as digital image processing, computer vision, pattern recognition, etc. This novel framework includes (but is not limited to) algorithms for dilated contour extraction, contour displacement, shape skeleton extr...

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