Ashok K Samal

2019

Seed selection algorithm through K-means on optimal number of clusters

Chowdhury, K., Chaudhuri, D., Pal, A. K. & Samal, A., Jul 15 2019, In : Multimedia Tools and Applications. 78, 13, p. 18617-18651 35 p.

Research output: Contribution to journal › Article

Seed

Unsupervised learning

Cluster analysis

Clustering algorithms

Program processors

2018

An efficient algorithm to decompose a compound rectilinear shape into simple rectilinear shapes

Sharif, I., Chaudhuri, D., Kushwaha, N. K., Samal, A. K. & Singh, B. M., Jan 1 2018, In : Turkish Journal of Electrical Engineering and Computer Sciences. 26, 1, p. 150-161 12 p.

Research output: Contribution to journal › Article

Remote sensing

Detectors

Imaging techniques

Sensors

Costs

3 Citations (Scopus)

Holistic and component plant phenotyping using temporal image sequence

Das Choudhury, S., Bashyam, S., Qiu, Y., Samal, A. K. & Awada, T., May 10 2018, In : Plant Methods. 14, 1, 35.

Research output: Contribution to journal › Article

Plant Structures

Phenotype

phenotype

Zea mays

leaves

4 Citations (Scopus)

Label Distribution-Based Facial Attractiveness Computation by Deep Residual Learning

Fan, Y. Y., Liu, S., Li, B., Guo, Z., Samal, A. K., Wan, J. & Li, S. Z., Aug 2018, In : IEEE Transactions on Multimedia. 20, 8, p. 2196-2208 13 p.

Research output: Contribution to journal › Article

Labels

Face recognition

Fusion reactions

Experiments

Deep neural networks

3 Citations (Scopus)

Leaf recognition using contour unwrapping and apex alignment with tuned random subspace method

Choudhury, S. D., Yu, J. G. & Samal, A. K., Jun 2018, In : Biosystems Engineering. 170, p. 72-84 13 p.

Research output: Contribution to journal › Article

Differentiation (calculus)

leaves

Overlearning

Discriminant analysis

Newton-Raphson method

2017

7 Citations (Scopus)

A landmark-based data-driven approach on 2.5D facial attractiveness computation

Liu, S., Fan, Y. Y., Guo, Z., Samal, A. K. & Ali, A., May 17 2017, In : Neurocomputing. 238, p. 168-178 11 p.

Research output: Contribution to journal › Article

Error statistics

Feature extraction

Databases

Geometry

Research

2016

17 Citations (Scopus)

A Computational Model for Object-Based Visual Saliency: Spreading Attention Along Gestalt Cues

Yu, J. G., Xia, G. S., Gao, C. & Samal, A. K., Feb 1 2016, In : IEEE Transactions on Multimedia. 18, 2, p. 273-286 14 p., 7347445.

Research output: Contribution to journal › Article

Experiments

Object detection

11 Citations (Scopus)

Advances in computational facial attractiveness methods

Liu, S., Fan, Y. Y., Samal, A. K. & Guo, Z., Dec 1 2016, In : Multimedia Tools and Applications. 75, 23, p. 16633-16663 31 p.

Research output: Contribution to journal › Article

Computational methods

Computer vision

Learning systems

Image processing

16 Citations (Scopus)

An optimal set of flesh points on tongue and lips for speech-movement classification

Wang, J., Samal, A. K., Rong, P. & Green, J. R., Feb 2016, In : Journal of Speech, Language, and Hearing Research. 59, 1, p. 15-26 12 p.

Research output: Contribution to journal › Article

Lip

Tongue

recording

stimulus

Electromagnetic Phenomena

34 Citations (Scopus)

Automatic Building Detection From High-Resolution Satellite Images Based on Morphology and Internal Gray Variance

Chaudhuri, D., Kushwaha, N. K., Samal, A. K. & Agarwal, R. C., May 2016, In : IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 9, 5, p. 1767-1779 13 p., 7122242.

Research output: Contribution to journal › Article

Satellites

digital photogrammetry

panchromatic image

IKONOS

QuickBird

5 Citations (Scopus)

Globally consistent correspondence of multiple feature sets using proximal Gauss-Seidel relaxation

Yu, J. G., Xia, G. S., Samal, A. K. & Tian, J., Mar 1 2016, In : Pattern Recognition. 51, p. 255-267 13 p.

Research output: Contribution to journal › Article

Computer vision

Identification and validation of key wavelengths for on-line beef tenderness forecasting

Naganathan, G. K., Cluff, K., Samal, A., Calkins, C. R., Jones, D. D., Wehling, R. L. & Subbiah, J., Jan 1 2016, In : Transactions of the ASABE. 59, 3, p. 769-783 15 p.

Research output: Contribution to journal › Article

Beef

wavelengths

beef

wavelength

Wavelength

20 Citations (Scopus)

Three dimensional chemometric analyses of hyperspectral images for beef tenderness forecasting

Konda Naganathan, G., Cluff, K., Samal, A. K., Calkins, C. R., Jones, D. D., Meyer, G. E. & Subbiah, J., Jan 1 2016, In : Journal of Food Engineering. 169, p. 309-320 12 p.

Research output: Contribution to journal › Article

hyperspectral imagery

chemometrics

beef

steaks

packing houses

2015

14 Citations (Scopus)

A prototype on-line AOTF hyperspectral image acquisition system for tenderness assessment of beef carcasses

Konda Naganathan, G., Cluff, K., Samal, A. K., Calkins, C. R., Jones, D. D., Lorenzen, C. L. & Subbiah, J., Jun 2015, In : Journal of Food Engineering. 154, p. 1-9 9 p.

Research output: Contribution to journal › Article

hyperspectral imagery

beef carcasses

optics

prototypes

beef

Exploring Reactions to Hacktivism Among STEM College Students: A Preliminary Model of Hacktivism Support and Resistance

Pytlik Zillig, L. M., Wang, S., Soh, L-K., Tomkins, A. J., Samal, A. K., Bernadt, T. K. & Hayes, M. J., Aug 14 2015, In : Social Science Computer Review. 33, 4, p. 479-497 19 p.

Research output: Contribution to journal › Article

Students

trustworthiness

student

mediation

integrity

14 Citations (Scopus)

Hyperspectral imaging of ribeye muscle on hanging beef carcasses for tenderness assessment

Konda Naganathan, G., Cluff, K., Samal, A. K., Calkins, C. R., Jones, D. D., Lorenzen, C. L. & Subbiah, J., Aug 1 2015, In : Computers and Electronics in Agriculture. 116, p. 55-64 10 p.

Research output: Contribution to journal › Article

Beef

beef carcasses

hyperspectral imagery

Muscle

muscle

2014

2 Citations (Scopus)

A dissimilarity function for geospatial polygons

Joshi, D., Soh, L-K., Samal, A. K. & Zhang, J., Oct 1 2014, In : Knowledge and Information Systems. 41, 1, p. 153-188 36 p.

Research output: Contribution to journal › Article

Unsupervised learning

Supervised learning

Watersheds

Information retrieval

Learning algorithms

7 Citations (Scopus)

Using spatial data support for reducing uncertainty in geospatial applications

Hong, T., Hart, K., Soh, L-K. & Samal, A. K., Jan 1 2014, In : GeoInformatica. 18, 1, p. 63-92 30 p.

Research output: Contribution to journal › Article

spatial data

uncertainty

Information use

Information theory

Cost effectiveness

2013

30 Citations (Scopus)

Articulatory distinctiveness of vowels and consonants: A data-driven approach

Wang, J., Green, J. R., Samal, A. K. & Yunusova, Y., Oct 1 2013, In : Journal of Speech, Language, and Hearing Research. 56, 5, p. 1539-1551 13 p.

Research output: Contribution to journal › Article

Tongue

Lip

multidimensional scaling

time series

Data-driven

10 Citations (Scopus)

Development of a cross-section based streamflow routing package for MODFLOW

Ou, G., Chen, X., Kilic, A., Bartelt-Hunt, S. L., Li, Y. & Samal, A. K., Dec 1 2013, In : Environmental Modelling and Software. 50, p. 132-143 12 p.

Research output: Contribution to journal › Article

routing

Aquifers

streamflow

cross section

Seepage

3 Citations (Scopus)

Mapping shadows in very high-resolution satellite data using HSV and edge detection techniques

Bhaskaran, S., Devi, S., Bhatia, S., Samal, A. K. & Brown, L., Dec 1 2013, In : Applied Geomatics. 5, 4, p. 299-310 12 p.

Research output: Contribution to journal › Article

Multispectral scanners

IKONOS

Edge detection

satellite data

Satellites

23 Citations (Scopus)

Morphometric analysis of gastrocnemius muscle biopsies from patients with peripheral arterial disease: Objective grading of muscle degeneration

Cluff, K., Miserlis, D., Naganathan, G. K., Pipinos, I. I., Koutakis, P., Samal, A. K., McComb, R. D., Subbiah, J. & Casale, G. P., Aug 1 2013, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 305, 3, p. R291-R299

Research output: Contribution to journal › Article

Peripheral Arterial Disease

Skeletal Muscle

Biopsy

Muscles

Leg Injuries

23 Citations (Scopus)

Optical scattering with hyperspectral imaging to classify longissimus dorsi muscle based on beef tenderness using multivariate modeling

Cluff, K., Konda Naganathan, G., Subbiah, J., Samal, A. K. & Calkins, C. R., Sep 1 2013, In : Meat Science. 95, 1, p. 42-50 9 p.

Research output: Contribution to journal › Article

longissimus muscle

beef

image analysis

Muscles

muscles

15 Citations (Scopus)

Spatio-temporal polygonal clustering with space and time as first-class citizens

Joshi, D., Samal, A. K. & Soh, L-K., Jan 1 2013, In : GeoInformatica. 17, 2, p. 387-412 26 p.

Research output: Contribution to journal › Article

Drought

citizen

Clustering algorithms

drought

Crime

2012

20 Citations (Scopus)

A statistical approach for automatic detection of ocean disturbance features from SAR images

Chaudhuri, D., Samal, A. K., Agrawal, A., Sanjay, Mishra, A., Gohri, V. & Agarwal, R. C., Jun 8 2012, In : IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 5, 4, p. 1231-1242 12 p., 6210409.

Research output: Contribution to journal › Article

synthetic aperture radar

disturbance

ocean

Graph theory

Oil spills

6 Citations (Scopus)

Finding best-fitted rectangle for regions using a bisection method

Chaudhuri, D., Kushwaha, N. K., Sharif, I. & Samal, A. K., Nov 1 2012, In : Machine Vision and Applications. 23, 6, p. 1263-1271 9 p.

Research output: Contribution to journal › Article

3 Citations (Scopus)

ILOG: A framework for automatic annotation of learning objects with empirical usage metadata

Miller, L. D., Soh, L-K., Samal, A. K. & Nugent, G. C., Jul 6 2012, In : International Journal of Artificial Intelligence in Education. 21, 3, p. 215-236 22 p.

Research output: Contribution to journal › Article

Metadata

learning

Data mining

Association rules

Computer science

7 Citations (Scopus)

Redistricting using constrained polygonal clustering

Joshi, D., Soh, L-K. & Samal, A. K., Oct 5 2012, In : IEEE Transactions on Knowledge and Data Engineering. 24, 11, p. 2065-2079 15 p., 5936062.

Research output: Contribution to journal › Article

Simulated annealing

Clustering algorithms

Genetic algorithms

78 Citations (Scopus)

Semi-automated road detection from high resolution satellite images by directional morphological enhancement and segmentation techniques

Chaudhuri, D., Kushwaha, N. K. & Samal, A. K., Jul 4 2012, In : IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 5, 5, p. 1538-1544 7 p., 6227311.

Research output: Contribution to journal › Article

segmentation

Satellites

road

Satellite imagery

Military applications

2011

6 Citations (Scopus)

Analysis of landmarks in recognition of face expressions

Alugupally, N., Samal, A. K., Marx, D. & Bhatia, S., Dec 1 2011, In : Pattern Recognition and Image Analysis. 21, 4, p. 681-693 13 p.

Research output: Contribution to journal › Article

Interfaces (computer)

Law enforcement

Human computer interaction

Statistical methods

Education

5 Citations (Scopus)

Effect of font size, italics, and colour count on web usability

Bhatia, S. K., Samal, A. K., Rajan, N. & Kiviniemi, M. T., Jan 1 2011, In : International Journal of Computational Vision and Robotics. 2, 2, p. 156-179 24 p.

Research output: Contribution to journal › Article

Color

Websites

Students

Stitching algorithms for biological specimen images

Bhatia, S. K., Samal, A. K., Seri, V. & Gardner, S. L., Jan 1 2011, In : International Journal of Computational Vision and Robotics. 2, 1, p. 1-17 17 p.

Research output: Contribution to journal › Article

Analog to digital conversion

Museums

Luminance

Geometry

19 Citations (Scopus)

Using targeted sampling to process multivariate soil sensing data

Adamchuk, V. I., Viscarra Rossel, R. A., Marx, D. B. & Samal, A. K., Jun 15 2011, In : Geoderma. 163, 1-2, p. 63-73 11 p.

Research output: Contribution to journal › Article

sensor

sampling

application coverage

soil

homogeneity

1 Citation (Scopus)

Weighted Bidimensional Regression

Schmid, K. K., Marx, D. B. & Samal, A. K., Jan 1 2011, In : Geographical Analysis. 43, 1, p. 1-13 13 p.

Research output: Contribution to journal › Article

shape analysis

weighting

regression

effect

ability

2010

6 Citations (Scopus)

A content based image retrieval system for a biological specimen collection

Mallik, J., Samal, A. K. & Gardner, S. L., Jul 2010, In : Computer Vision and Image Understanding. 114, 7, p. 745-757 13 p.

Research output: Contribution to journal › Article

Image retrieval

Photography

Explosions

Costs

Parasites

9 Citations (Scopus)

Using bidimensional regression to assess face similarity

Kare, S., Samal, A. K. & Marx, D., Apr 1 2010, In : Machine Vision and Applications. 21, 3, p. 261-274 14 p.

Research output: Contribution to journal › Article

Face recognition

Biometrics

Geometry

2009

12 Citations (Scopus)

Renaissance computing: An initiative for promoting student participation in computing

Soh, L-K., Samal, A. K., Scott, S., Ramsay, S., Moriyama, E., Meyer, G., Moore, B., Thomas, W. G. & Shell, D. F., Apr 2 2009, In : SIGCSE Bulletin Inroads. 41, 1, p. 59-63 5 p.

Research output: Contribution to journal › Article

Curricula

Students

19 Citations (Scopus)

Searching satellite imagery with integrated measures

Samal, A. K., Bhatia, S., Vadlamani, P. & Marx, D., Nov 1 2009, In : Pattern Recognition. 42, 11, p. 2502-2513 12 p.

Research output: Contribution to journal › Article

Satellite imagery

Satellites

Image matching

Image retrieval

Search engines

2008

55 Citations (Scopus)

An automatic bridge detection technique for multispectral images

Chaudhuri, D. & Samal, A. K., Sep 1 2008, In : IEEE Transactions on Geoscience and Remote Sensing. 46, 9, p. 2720-2727 8 p., 4579753.

Research output: Contribution to journal › Article

multispectral image

D-1 satellite

roads

connectivity

rivers

70 Citations (Scopus)

Computation of a face attractiveness index based on neoclassical canons, symmetry, and golden ratios

Schmid, K. K., Marx, D. & Samal, A. K., Aug 1 2008, In : Pattern Recognition. 41, 8, p. 2710-2717 8 p.

Research output: Contribution to journal › Article

Geometry

69 Citations (Scopus)

Optical scattering in beef steak to predict tenderness using hyperspectral imaging in the VIS-NIR region

Cluff, K., Naganathan, G. K., Subbiah, J., Lu, R., Calkins, C. R. & Samal, A. K., Sep 26 2008, In : Sensing and Instrumentation for Food Quality and Safety. 2, 3, p. 189-196 8 p.

Research output: Contribution to journal › Article

Beef

Scattering

Imaging techniques

Wavelength

Spectrographs

74 Citations (Scopus)

Partial least squares analysis of near-infrared hyperspectral images for beef tenderness prediction

Naganathan, G. K., Grimes, L. M., Subbiah, J., Calkins, C. R., Samal, A. K. & Meyer, G. E., Sep 25 2008, In : Sensing and Instrumentation for Food Quality and Safety. 2, 3, p. 178-188 11 p.

Research output: Contribution to journal › Article

Beef

Infrared radiation

Infrared imaging

Water absorption

Oils and fats

2 Citations (Scopus)

Recognition and quality assessment of data charts in mixed-mode documents

Shukla, S. & Samal, A. K., Oct 3 2008, In : International Journal on Document Analysis and Recognition. 11, 3, p. 111-126 16 p.

Research output: Contribution to journal › Article

Search engines

4 Citations (Scopus)

Techniques for computing fitness of use (FoU) for time series datasets with applications in the geospatial domain

Fu, L., Soh, L-K. & Samal, A. K., Mar 1 2008, In : GeoInformatica. 12, 1, p. 91-115 25 p.

Research output: Contribution to journal › Article

fitness

time series

Time series

Bearings (structural)

Information analysis

74 Citations (Scopus)

Trend analysis of streamflow drought events in Nebraska

Wu, H., Soh, L-K., Samal, A. K. & Chen, X. H., Feb 1 2008, In : Water Resources Management. 22, 2, p. 145-164 20 p.

Research output: Contribution to journal › Article

Drought

trend analysis

streamflow

drought

Watersheds

159 Citations (Scopus)

Visible/near-infrared hyperspectral imaging for beef tenderness prediction

Naganathan, G. K., Grimes, L. M., Subbiah, J., Calkins, C. R., Samal, A. K. & Meyer, G. E., Dec 1 2008, In : Computers and Electronics in Agriculture. 64, 2, p. 225-233 9 p.

Research output: Contribution to journal › Article

Beef

Infrared imaging

near infrared

beef

image analysis

2007

11 Citations (Scopus)