نتایج جستجو برای: dynamic time warping

تعداد نتایج: 2192828  

Journal: :Journal of Computational and Applied Mathematics 2009

Journal: :Pattern Recognition 2018

Journal: :IEEE Trans. Geoscience and Remote Sensing 1991
Ross McConnell Ronald Kwok John C. Curlander Wolfgang Kober Shirley S. Pang

In recent years, there has been an interest in automating the process of producing maps of the motion of ice floes from SAR images acquired a few days apart. A common approach is to correlate raw pixel values in order to find corresponding features in two images. The problem with this approach is that the search space is often prohibitive when ice floes rotate, as they frequently do. We present...

Journal: :Expert Syst. Appl. 2015
Tomasz Górecki Maciej Luczak

Multivariate time series (MTS) data are widely used in a very broad range of fields, including medicine, finance, multimedia and engineering. In this paper a new approach for MTS classification, using a parametric derivative dynamic time warping distance, is proposed. Our approach combines two distances: the DTW distance between MTS and the DTW distance between derivatives of MTS. The new dista...

2006
Xavier Naturel Guillaume Gravier Patrick Gros

An original task of structuring and labeling large television streams is tackled in this paper. Emphasis is put on simple and efficient methods to detect precise boundaries of programs. These programs are further analysed and labeled with information coming from a standard television program guide using an improved Dynamic Time Warping algorithm (DTW) and a manually labeled reference video data...

2007
Alicia Fornés Josep Lladós Gemma Sánchez

A growing interest in the document analysis field is the recognition of old handwritten documents, towards the conversion into a readable format. The difficulties when working with old documents are increased, and other techniques are required for recognizing handwritten graphical symbols that are drawn in such these documents. In this paper we present a Dynamic Time Warping based method that o...

Journal: :Acta Cybern. 2016
László Czap Attila K. Varga

One service provided by our application ’Speech Assistant System’ assisting the teaching of the hearing impaired to speak is the automatic assessment of words and sentences in the course of practice and feedback to the person. Individual speech sounds can only be correctly evaluated if they are compared with the appropriate reference speech sounds. This requires segmenting the speech to be exam...

Journal: :Image Vision Comput. 2017
Marion Morel Catherine Achard Richard Kulpa Séverine Dubuisson

In this paper, we propose an innovative automatic evaluation process for any sport motions. Based on a 2-level Dynamic Time Warping, the process allows the evaluation of both spatial and temporal errors of a novice motion based on an experts’ motion database and without any prior knowledge on the sport. This new methodology is evaluated with regards to coaches’ assessment on two different kinds...

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