نتایج جستجو برای: samples t

تعداد نتایج: 1087957  

2009
Shahryar Rahnamayan Hamid R. Tizhoosh Magdy M.A. Salama

Knowledgeand sample-based learning approaches play a pivotal role in image processing. However, the acquisition and integration of expert knowledge (for the former) and providing a sufficiently large number of training samples (for the latter) are generally hard to perform and time-consuming tasks. Hence, learning image processing tasks from a few gold/groundtruth samples, prepared by the user,...

1999
Alan M. POLANSKY

A major use of the bootstrap methodology is in the construction of nonparametric confidence intervals. Although no consensus has yet been reached on the best way to proceed, theoretical and empirical evidence indicate that bootstrap-t intervals provide a reasonable solution to this problem. However, when applied to small data sets, these intervals can be unusually wide and unstable. The author ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات 1394

abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...

Journal: :IEEE transactions on image processing : a publication of the IEEE Signal Processing Society 1999
Ali Bilgin Philip J. Sementilli Michael W. Marcellin

In this work, we present coding techniques that enable progressive transmission when trellis coded quantization (TCQ) is applied to wavelet coefficients. A method for approximately inverting TCQ in the absence of least significant bits is developed. Results are presented using different rate allocation strategies and different entropy coders. The proposed wavelet-TCQ coder yields excellent codi...

2009
Çagatay Dikici Christine Guillemot Caroline Fontaine Khalid Idrissi Atilla Baskurt

This paper considers the joint problem of dirty-paper and Wyner-Ziv coding with partial host information at the receiver. The rate-distortion and the capacity expressions have been derived for the Gaussian case. It is shown that the availability of the partial host information to the receiver has positive effects to the compression performance and the overall capacity. Moreover, a practical cod...

Journal: :iranian journal of parasitology 0
seyedeh missagh jalali department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran and department of clinical sciences, faculty of veterinary medicine, shahid chamran university of ahvaz, ahvaz, iran. zohreh khaki department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran. bahram kazemi cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran. sadegh rahbari parasitology department, faculty of veterinary medicine, university of tehran, tehran, iran. parviz shayan parasitology department, faculty of veterinary medicine, university of tehran, tehran, iran. mojgan bandehpour cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran.

background: the present study was carried out to investigate the accurate status of ovine theileria infection in sheep from ahvaz and surrounding region, a tropical area southwest iran. methods: a pcr-rflp method based on 18s ribosomal rna gene was designed which could detect and differentiate theileria and babesia spp. and also differentiate main theileria species in sheep at the same time. 11...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده مدیریت 1393

within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...

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