David A. Clausi

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An analysis of co-occurrence texture statistics as a function of grey level quantization

David A. Clausi
2003

In this paper, the effect of grey level quantization on the ability of co-occurrence probability statistics to classify natural textures is studied. Generally, as a function of increasing grey… (More)

IRGS: Image Segmentation Using Edge Penalties and Region Growing

Qiyao Yu, David A. Clausi
IEEE Transactions on Pattern Analysis and Machine…
2008

This paper proposes an image segmentation method named iterative region growing using semantics (IRGS), which is characterized by two aspects. First, it uses graduated increased edge penalty (GIEP)… (More)

Unsupervised segmentation of synthetic aperture Radar sea ice imagery using a novel Markov random field model

Huawu Deng, David A. Clausi
IEEE Transactions on Geoscience and Remote…
2005

Environmental and sensor challenges pose difficulties for the development of computer-assisted algorithms to segment synthetic aperture radar (SAR) sea ice imagery. In this research, in support of… (More)

Designing Gabor filters for optimal texture separability

David A. Clausi, M. Ed Jernigan
Pattern Recognition
2000

The discrimination of textures is a critical aspect of identi"cation in digital imagery. Texture features generated by Gabor "lters have been increasingly considered and applied to image analysis.… (More)

Lung Nodule Classification Using Deep Features in CT Images

Devinder Kumar, Alexander Wong, David A. Clausi
12th Conference on Computer and Robot Vision
2015

Early detection of lung cancer can help in a sharp decrease in the lung cancer mortality rate, which accounts for more than 17% percent of the total cancer related deaths. A large number of cases are… (More)

Decoupled Active Contour (DAC) for Boundary Detection

Akshaya Kumar Mishra, Paul W. Fieguth, David A. Clausi
IEEE Transactions on Pattern Analysis and Machine…
2011

The accurate detection of object boundaries via active contours is an ongoing research topic in computer vision. Most active contours converge toward some desired contour by minimizing a sum of… (More)

Design-based texture feature fusion using Gabor filters and co-occurrence probabilities

David A. Clausi, Huang Deng
IEEE Transactions on Image Processing
2005

A design-based method to fuse Gabor filter and grey level co-occurrence probability (GLCP) features for improved texture recognition is presented. The fused feature set utilizes both the Gabor… (More)

Unsupervised image segmentation using a simple MRF model with a new implementation scheme

Huawu Deng, David A. Clausi
Pattern Recognition
2004

Structure-Guided Statistical Textural Distinctiveness for Salient Region Detection in Natural Images

Christian Scharfenberger, Alexander Wong, Khalil Fergani, John S. Zelek, David A. Clausi
IEEE Transactions on Image Processing
2013

We propose a simple yet effective structure-guided statistical textural distinctiveness approach to salient region detection. Our method uses a multilayer approach to analyze the structural and… (More)

Sorted random projections for robust rotation-invariant texture classification

Li Liu, Paul W. Fieguth, David A. Clausi, Gangyao Kuang
Pattern Recognition
2012

This paper presents a simple, novel, yet very powerful approach for robust rotation-invariant texture classification based on random projection. The proposed sorted random projection maintains the… (More)

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