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Human actions recognition: an approach based on stable motion boundary fields
Automatic video action recognition have been a long-standing problem in computer vision. To obtain a scalable solution for actions recognition, it is...
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Interpretation of Indian Sign Language Using Optimal HOG Feature Vector
This paper presents a Histograms of Orientation Gradient (HOG) based feature vector for design of Sign Language Recognition System (SLRS). HOG is...
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On Bessel Structure Moment for Images Retrieval
This paper proposed a new Bessel Structure moments for image retrieval. The proposed method has rotation invariance and performs better than...
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Image analysis by Meixner moments and a digital filter
In this paper, we propose a new method for the rapid calculation of Meixner’s discrete orthogonal moments and its inverses. In this method, we have...
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Expression Recognition
Facial expression is regarded as one of the most powerful means for humans to convey their feelings, attitudes, or opinions to each other. It has...
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Energy bounds for codes and designs in Hamming spaces
We obtain universal bounds on the energy of codes and designs in Hamming spaces. Our bounds hold for a large class of potential functions, allow a...
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On Symmetry and Differential Properties of Generalized Boolean Functions
In this paper we investigate various differential properties of generalized Boolean functions defined on...
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Histological Image Analysis by Invariant Descriptors
In this work we propose a comparative study between different descriptors in analysing histological images. In particular, our study is focused on...
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Small-Bias is Not Enough to Hit Read-Once CNF
Small-bias probability spaces have wide applications in pseudorandomness which naturally leads to the study of their limitations. Constructing a...
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Image Retrieval by Using Non-subsampled Shearlet Transform and Krawtchouk Moment Invariants
In this paper, we use non-subsampled shearlet transform (NSST) and Krawtchouk Moment Invariants (KMI) to realize image retrieval based on texture and...
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A Local Spatio-Temporal Approach to Plane Wave Ultrasound Particle Image Velocimetry
We present a simple and efficient approach to plane wave ultrasound particle image velocimetry (Echo PIV). Specifically, a carefully designed bank of...
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Action recognition from point cloud patches using discrete orthogonal moments
3D sensors such as standoff Light Detection and Ranging (LIDAR) generate partial 3D point clouds that resemble patches of irregularly-shaped, coarse...
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An Assmus–Mattson theorem for codes over commutative association schemes
We prove an Assmus–Mattson-type theorem for block codes where the alphabet is the vertex set of a commutative association scheme (say, with s ...
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Bounds for the zeros of symmetric Kravchuk polynomials
Sharp bounds for the zeros of symmetric Kravchuk polynomials K n ( x ; M ) are obtained. The results provide a precise quantitative meaning of the fact...
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Improved combined invariant moment for moving targets classification
Invariant moment is a highly concentrated and distortion invariant image features. The goal of multi-moving object characterization and...
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Image analysis using separable discrete moments of Charlier-Hahn
In this paper, we present a new set of bivariate discrete orthogonal polynomials defined from the product of Charlier and Hahn discrete orthogonal...
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A Static Hand Gesture Recognition Algorithm Based on Krawtchouk Moments
Owing to convenience and naturalness, hand gesture recognition has been widely used in various human-computer interaction (HCI) systems. In this...
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Krawtchouk Moments for Gait Phase Detection
We present a novel method for gait phase detection based on Krawtchouk moments, which can be used in gait analysis. The low computational cost and...
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Discrete Orthogonal Transformations Corresponding to the Discrete Polynomials of the Askey Scheme
This work presents discrete transforms that correspond to the discrete polynomials of the Askey Scheme. The Racah and Hahn transforms have been...