Gesture recognition using DTW & piecewise DTW
Citations
43 citations
Additional excerpts
...The approach is to binarize the frame based on skin color so as to segment out the face region and the two regions of the hand....
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38 citations
Cites methods from "Gesture recognition using DTW & pie..."
...While in 2014, Salvastore Ieng et al. presented a reliable and continuous gesture recognition method based on HMMs that supports a natural and flexible between the human and the robot [7]....
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36 citations
33 citations
Cites methods from "Gesture recognition using DTW & pie..."
...Over years, various classification algorithms have been utilized to achieve a high recognition accuracy and rate in the gesture recognition area, such as HMM in [1],[10],[11],[12], SVM in [13] and DTW in [14]....
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19 citations
Cites background from "Gesture recognition using DTW & pie..."
...On the contrary, time-series data representing signatures can be directly matched using elastic distance measures such as Dynamic TimeWarping (DTW) [29]....
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...We compute the maximum intra-class distance using DTW as mentioned in Algorithm 3 and make it as the centroid of the respective class....
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...In DTW, we have used a cost function between two points S(x1, x2, ..xn) and T (y1, y2, ..yn) as given in (31), where x1, x2, ..xn and y1, y2, ..yn represent the high-level features of the respective points. cost (S, T ) = |S − T | = √√√√ i=n∑ i=1 (xi − yi)2 (31) We have used the a sequence of processes as depicted in Fig....
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...Matching techniques such as DTW [29], Minimal Variance Matching (MVM) [23], Hidden Markov Model (HMM) [7], Sparse representation [39], Support vector machine (SVM) [1], Neural Networks (NN) [8], and Long Short TermMemory Neural Networks (LSTMNN) [4] have been used by various earlier reported research work....
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...DTW [20] measures the elastic distance between the given sequences, hence it is a measure of similarities between two time series data that may vary in time or speed....
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References
37,017 citations
"Gesture recognition using DTW & pie..." refers methods in this paper
...We selected white screen as background, Ostu thresholding algorithm [5] is applied for segmentation....
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670 citations
667 citations
"Gesture recognition using DTW & pie..." refers methods in this paper
...The algorithm, Piecewise Dynamic Time Warping (PDTW), takes advantage of the fact that we can efficiently approximate most time series by a piecewise aggregate approximation [6]....
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618 citations
"Gesture recognition using DTW & pie..." refers background in this paper
...,wr where Wi indexes a position in the cost matrix[8]....
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603 citations