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To recognize face sketch through face photo database is a challenging task for todays researchers. Because face photo images in training set and face sketch images in testing set have different modality. Difference between two face photos…

Computer Vision and Pattern Recognition · Computer Science 2013-12-09 Sourav Pramanik , Dr. Debotosh Bhattacharjee

We present a new approach for face recognition system. The method is based on 2D face image features using subset of non-correlated and Orthogonal Gabor Filters instead of using the whole Gabor Filter Bank, then compressing the output…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Samir F. Hafez , Mazen M. Selim , Hala H. Zayed

In this paper, a novel method for representation and recognition of the facial expressions in two-dimensional image sequences is presented. We apply a variation of two-dimensional heteroscedastic linear discriminant analysis (2DHLDA)…

Computer Vision and Pattern Recognition · Computer Science 2012-07-23 Mahmoud Khademi , Mohammad H. Kiapour , Mehran Safayani , Mohammad T. Manzuri , M. Shojaei

With the development of Earth observation technology, very-high-resolution (VHR) image has become an important data source of change detection. Nowadays, deep learning methods have achieved conspicuous performance in the change detection of…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Chen Wu , Hongruixuan Chen , Bo Do , Liangpei Zhang

This paper investigates a novel algorithmic approach to data representation based on kernel methods. Assuming that the observations lie in a Hilbert space X, the introduced Kernel Autoencoder (KAE) is the composition of mappings from…

Machine Learning · Statistics 2020-12-03 Pierre Laforgue , Stephan Clémençon , Florence d'Alché-Buc

Kernel methods have been proven to be a powerful tool for the integration and analysis of highthroughput technologies generated data. Kernels offer a nonlinear version of any linear algorithm solely based on dot products. The kernelized…

Applications · Statistics 2024-11-27 Mitja Briscik , Marie-Agnès Dillies , Sébastien Déjean

With the progress in automatic human behavior understanding, analysing the perceived affect of multiple people has been recieved interest in affective computing community. Unlike conventional facial expression analysis, this paper primarily…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Xiaohua Huang , Abhinav Dhall , Roland Goecke , Matti Pietikainen , Guoying Zhao

Kernel principal component analysis (KPCA) is a well-recognized nonlinear dimensionality reduction method that has been widely used in nonlinear fault detection tasks. As a kernel trick-based method, KPCA inherits two major problems. First,…

Machine Learning · Computer Science 2024-10-28 Zelin Ren , Xuebing Yang , Yuchen Jiang , Wensheng Zhang

We introduce a kernel method for manifold alignment (KEMA) and domain adaptation that can match an arbitrary number of data sources without needing corresponding pairs, just few labeled examples in all domains. KEMA has interesting…

Machine Learning · Statistics 2016-04-04 Devis Tuia , Gustau Camps-Valls

In this paper we propose to apply copula entropy (CE) to facies classification. In our method, the correlations between geological variables and facies classes are measured with CE and then the variables associated with large negative CEs…

Machine Learning · Computer Science 2025-01-27 Jian Ma

Kinship recognition aims to determine whether the subjects in two facial images are kin or non-kin, which is an emerging and challenging problem. However, most previous methods focus on heuristic designs without considering the spatial…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Weng-Tai Su , Min-Hung Chen , Chien-Yi Wang , Shang-Hong Lai , Trista Pei-Chun Chen

In this paper, a high performance face recognition system based on local binary pattern (LBP) using the probability distribution functions (PDF) of pixels in different mutually independent color channels which are robust to frontal…

Computer Vision and Pattern Recognition · Computer Science 2015-01-06 Gholamreza Anbarjafari

As multimedia content is quickly growing, the field of facial recognition has become one of the major research fields, particularly in the recent years. The most problematic area to researchers in image processing and computer vision is the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Aya Kaysan Bahjat

In order to classify the nonlinear feature with linear classifier and improve the classification accuracy, a deep learning network named kernel principal component analysis network (KPCANet) is proposed. First, mapping the data into higher…

Machine Learning · Computer Science 2015-12-22 Dan Wu , Jiasong Wu , Rui Zeng , Longyu Jiang , Lotfi Senhadji , Huazhong Shu

The use of convolutional neural networks (CNNs) in seismic interpretation tasks, like facies classification, has garnered a lot of attention for its high accuracy. However, its drawback is usually poor generalization when trained with…

Geophysics · Physics 2023-08-11 Fu Wang , Tariq Alkhalifah

Convolutional Neural Networks (CNN) are being increasingly used in computer vision for a wide range of classification and recognition problems. However, training these large networks demands high computational time and energy requirements;…

Neural and Evolutionary Computing · Computer Science 2017-11-13 Syed Shakib Sarwar , Priyadarshini Panda , Kaushik Roy

Principal component analysis (PCA) is a popular tool for linear dimensionality reduction and feature extraction. Kernel PCA is the nonlinear form of PCA, which better exploits the complicated spatial structure of high-dimensional features.…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Quan Wang

This paper presents a real-time face recognition system using kinect sensor. The algorithm is implemented on GPU using opencl and significant speed improvements are observed. We use kinect depth image to increase the robustness and reduce…

Computer Vision and Pattern Recognition · Computer Science 2015-04-09 Narmada Naik , G. N Rathna

In this paper we present a comparative study on fusion of visual and thermal images using different wavelet transformations. Here, coefficients of discrete wavelet transforms from both visual and thermal images are computed separately and…

Computer Vision and Pattern Recognition · Computer Science 2010-07-06 M. K. Bhowmik , Debotosh Bhattacharjee , M. Nasipuri , D. K. Basu , M. Kundu

While standard evaluation scores for generative models are mostly reference-based, a reference-dependent assessment of generative models could be generally difficult due to the unavailability of applicable reference datasets. Recently, the…

Machine Learning · Computer Science 2024-11-07 Azim Ospanov , Jingwei Zhang , Mohammad Jalali , Xuenan Cao , Andrej Bogdanov , Farzan Farnia