نتایج جستجو برای: local binary pattern lbp

تعداد نتایج: 968281  

2000
Topi Mäenpää Matti Pietikäinen Timo Ojala

This paper benchmarks the simple Local Binary Pattern (LBP) approach in the supervised texture segmentation problems of the recent comparative study of Randen and Husøy. A multi-predicate version of LBP is proposed, making our approach even more powerful for images containing textures at multiple scales.

2009
Mohamed El Aroussi Mohammed El Hassouni Sanaa Ghouzali Mohammed Rziza Driss Aboutajdine

In this paper the problem of face recognition under variable illumination conditions is considered. Most of the works in the literature exhibit good performance under strictly controlled acquisition conditions, but the performance drastically drop when changes in pose and illumination occur, so that recently number of approaches have been proposed to deal with such variability. The aim of this ...

Journal: :International Journal of Computer Applications Technology and Research 2013

A A Haghnegahdar, F Tajeripour L Khojastepour S Kolahi,

Background: Temporomandibular joint disorder (TMD) might be manifested as structural changes in bone through modification, adaptation or direct destruction. We propose to use Local Binary Pattern (LBP) characteristics and histogram-oriented gradients on the recorded images as a diagnostic tool in TMD assessment.Material and Methods: CBCT images of 66 patients (132 joints) with TMD and 66 normal...

2013
Randa BOUKHRIS Dorra SELLAMI MASMOUDI

Single biometric modality recognition is not able to meet the high performance supplies in most cases with its application become more and more broadly. Multimodal biometrics identification represents an emerging trend recently. This paper investigates a novel algorithm based on fusion of both fingerprint and fingervein biometrics. For both biometric recognition, we employ the Monogenic Local B...

2012
P.Vijaya Bhaskar Reddy Mohan Reddy Jyotsna Devi

This paper presents a new image indexing and retrieval algorithm by integrating color (HSV color histogram) and texture (directional binary wavelet patterns (DBWP)) features. For color feature, first the RGB image is converted to HSV image, and then histograms are constructed from HSV spaces. For texture feature, an 8-bit grayscale image is divided into eight binary bit-planes, and then binary ...

2017
Abraham Varghese

Received Nov 3, 2016 Revised Jan 7, 2017 Accepted Feb 16, 2017 Retrieval of similar images from large dataset of brain images across patients would help the experts in the decision diagnosis process of diseases. Generally used feature extraction methods are color, texture and shape. In medical images texture and shape features are most efficient. Histogram of Oriented Gradients (HOG) and Local ...

Journal: :EURASIP J. Adv. Sig. Proc. 2014
Yu Wang Yongsheng Zhao Yi Chen

More and more attention has been paid to the invariant texture analysis, because the training and testing samples generally have not identical or similar orientations, or are not acquired from the same viewpoint in many practical applications, which often has negative influences on texture analysis. Local binary pattern (LBP) has been widely applied to texture classification due to its simplici...

2012
Xianjing Meng Gongping Yang Yilong Yin Rongyang Xiao

Finger vein patterns are considered as one of the most promising biometric authentication methods for its security and convenience. Most of the current available finger vein recognition methods utilize features from a segmented blood vessel network. As an improperly segmented network may degrade the recognition accuracy, binary pattern based methods are proposed, such as Local Binary Pattern (L...

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