نتایج جستجو برای: classification feature

تعداد نتایج: 688105  

Journal: :Pattern Recognition 2021

Due to the difficulty in acquiring massive task-specific occluded images, classification of images with deep convolutional neural networks (CNNs) remains highly challenging. To alleviate dependency on large-scale image datasets, we propose a novel approach improve accuracy by fine-tuning pre-trained models set augmented feature vectors (DFVs). The DFVs is composed original and pseudo-DFVs. pseu...

A. Ghaffari, M. Akraminia, M. Atarod, M. M Daevaeiha, M. R Homaeinezhad,

The aim of this study is to introduce a new methodology for isolation of ectopic rhythms of ambulatory electrocardiogram (ECG) holter data via appropriate statistical analyses imposing reasonable computational burden. First, the events of the ECG signal are detected and delineated using a robust wavelet-based algorithm. Then, using Binary Neyman-Pearson Radius test, an appropriate classifie...

Seismic facies analysis (SFA) aims to classify similar seismic traces based on amplitude, phase, frequency, and other seismic attributes. SFA has proven useful in interpreting seismic data, allowing significant information on subsurface geological structures to be extracted. While facies analysis has been widely investigated through unsupervised-classification-based studies, there are few cases...

In this paper we present Document analysis and classification system to segment and classify contents of Arabic document images. This system includes preprocessing, document segmentation, feature extraction and document classification. A document image is enhanced in the preprocessing by removing noise, binarization, and detecting and correcting image skew. In document segmentation, an algorith...

Journal: :Revue d'Intelligence Artificielle 2020

Journal: :International Journal of Pattern Recognition and Artificial Intelligence 2007

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