Dr Richard Murphy

Senior Research Fellow

J04 - Rose Street Building
The University of Sydney

Telephone +61 2 9114 0897

Selected grants

2013

  • Space SyReNS; Cairns I, Müller R, Bland-Hawthorn J, Crawford J, Lenzen M, Odeh I, Ivers D, Wu X, Sukkarieh S, Khachan J, Rey P, Vila-Concejo A, Bruce E, Murphy R, Leon-Saval S; DVC Research/Research Network Scheme (SyReNS).

2005

  • Understanding biodiversity by experimental analysis of links between physical, chemical and biological properties of intertidal sediments; Chapman M, Murphy R, Tolhurst T; Australian Research Council (ARC)/Discovery Projects (DP).

Selected publications

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Journals

  • Murphy, R., Chlingaryan, A., Melkumyan, A. (2015). Gaussian processes for estimating wavelength position of the ferric iron crystal field feature at ∼900 nm from hyperspectral imagery acquired in the short-wave infrared (1002-1355 nm). IEEE Transactions on Geoscience and Remote Sensing, 53(4), 1907-1920. [More Information]
  • Murphy, R., Schneider, S., Monteiro, S. (2014). Consistency of Measurements of Wavelength Position From Hyperspectral Imagery: Use of the Ferric Iron Crystal Field Absorption at ∼900 nm as an Indicator of Mineralogy. IEEE Transactions on Geoscience and Remote Sensing, 52(5), 2843-2857. [More Information]
  • Murphy, R., Schneider, S., Monteiro, S. (2014). Mapping Layers of Clay in a Vertical Geological Surface Using Hyperspectral Imagery: Variability in Parameters of SWIR Absorption Features under Different Conditions of Illumination. Remote Sensing, 6(9), 9104-9129. [More Information]
  • Jackson, A., Murphy, R., Underwood, A. (2013). Biofilms on rocky shores: Influences of rockpools, local moisture and temperature. Journal of Experimental Marine Biology and Ecology, 443, 46-55. [More Information]
  • Bryson, M., Johnson-Roberson, M., Murphy, R., Bongiorno, D. (2013). Kite aerial photography for low-cost, ultra-high spatial resolution multi-spectral mapping of intertidal landscapes. PLoS One, 8(9), 1-15. [More Information]
  • Murphy, R., Monteiro, S. (2013). Mapping the distribution of ferric iron minerals on a vertical mine face using derivative analysis of hyperspectral imagery (430-970 nm). ISPRS Journal of Photogrammetry and Remote Sensing, 75, 29-39. [More Information]
  • Murphy, R., Monteiro, S., Schneider, S. (2012). Evaluating Classification Techniques for Mapping Vertical Geology Using Field-Based Hyperspectral Sensors. IEEE Transactions on Geoscience and Remote Sensing, 50(8), 3066-3080. [More Information]
  • Murphy, R., Klein, J., Underwood, A. (2011). Chlorophyll a and intertidal epilithic biofilms analysed in situ using a reflectance probe. Aquatic Biology, 12(2), 165-176. [More Information]
  • Chapman, M., Tolhurst, T., Murphy, R., Underwood, A. (2010). Complex and inconsistent patterns of variation in benthos, micro-algae and sediment over multiple spatial scales. Marine Ecology - Progress Series, 398, 33-47. [More Information]
  • Ivesa, L., Chapman, M., Underwood, A., Murphy, R. (2010). Differential patterns of distribution of limpets on intertidal seawalls: experimental investigation of the roles of recruitment, survival and competition. Marine Ecology - Progress Series, 407(-), 55-69. [More Information]
  • Jackson, A., Underwood, A., Murphy, R., Skilleter, G. (2010). Latitudinal and environmental patterns in abundance and composition of epilithic microphytobenthos. Marine Ecology - Progress Series, 417, 27-38. [More Information]
  • Murphy, R., Tolhurst, T. (2009). Effects of experimental manipulation of algae and fauna on the properties of intertidal soft sediments. Journal of Experimental Marine Biology and Ecology, 379(1-2), 77-84. [More Information]
  • Murphy, R., Underwood, A., Jackson, A. (2009). Field-based remote sensing of intertidal epilithic chlorophyll: Techniques using specialized and conventional digital cameras. Journal of Experimental Marine Biology and Ecology, 380(1-2), 68-76. [More Information]
  • Jackson, A., Murphy, R., Underwood, A. (2009). Patiriella exigua: grazing by a starfish in an overgrazed intertidal system. Marine Ecology - Progress Series, 376, 153-163.
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2009). Seasonal distribution of chlorophyll on mudflats in New South Wales, Australia measured by field spectrometry and PAM fluorometry. Estuarine, Coastal and Shelf Science, 84(1), 108-118. [More Information]
  • Murphy, R., Underwood, A., Tolhurst, T., Chapman, M. (2008). Field-based remote sensing for experimental intertidal ecology: Case studies using hyperspatial and hyperspectral data for New South Wales (Australia). Remote Sensing of Environment, 112(8), 3353-3365. [More Information]
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2008). Spatial variation of chlorophyll on estuarine mudflats determined by field-based remote sensing. Marine Ecology Progress Series, 365(-), 45-55. [More Information]
  • Underwood, A., Murphy, R. (2008). Unexpected patterns of facilitatory grazing revealed by quantitative imaging. Marine Ecology Progress Series, 358, 85-94.
  • Murphy, R., Underwood, A. (2006). Novel use of digital colour-infrared imagery to test hypotheses about grazing by intertidal herbivorous gastropods. Journal of Experimental Marine Biology and Ecology, 330(2), 437-447. [More Information]
  • Murphy, R., Underwood, A., Pinkerton, M. (2006). Quantitative imaging to measure photosynthetic biomass on an intertidal rock-platform. Marine Ecology Progress Series, 312, 45-55.
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2005). Estimation of surface chlorophyll-a on an emersed mudflat using field spectrometry: accuracy of ratios and derivative-based approaches. International Journal of Remote Sensing, 26(9), 1835-1859.
  • Murphy, R., Underwood, A., Pinkerton, M., Range, P. (2005). Field spectrometry: new methods to investigate epilithic micro-algae on rocky shores. Journal of Experimental Marine Biology and Ecology, 325(1), 111-124. [More Information]
  • Pinkerton, M., Richardson, K., Boyd, P., Gall, M., Zeldis, J., Oliver, M., Murphy, R. (2005). Intercomparison of ocean colour band-ratio algorithms for chlorophyll concentration in the Subtropical Front east of New Zealand. Remote Sensing of Environment, 97(3), 382-402.
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2005). Remote-sensing of benthic chlorophyll: should ground-truth data be expressed in units of area or mass? Journal of Experimental Marine Biology and Ecology, 316(1), 69-77. [More Information]
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2004). Estimation of surface chlorophyll on an exposed mudflat using digital colour-infrared (CIR) photography. Estuarine, Coastal and Shelf Science, 59(4), 625-638. [More Information]
  • Richardson, K., Pinkerton, M., Boyd, P., Gall, M., Zeldis, J., Oliver, M., Murphy, R. (2004). Validation of Sea WiFS data from around New Zealand. Advances in Space Research, 33(7), 1160-1167.

Conferences

  • Murphy, R., Schneider, S., Taylor, Z., Nieto, J. (2014). Mapping clay minerals in an open-pit mine using hyperspectral imagery and automated feature extraction. Vertical Geology Conference.
  • Uezato, T., Murphy, R., Melkumyan, A., Chlingaryan, A., Schneider, S. (2014). Multiple endmember spectral unmixing within a multi-task framework. IEEE Geoscience and Remote Sensing Society (GRSS) and the Canadian Remote Sensing Society. IEEE.
  • Chlingaryan, A., Melkumyan, A., Murphy, R., Schneider, S. (2013). Automated multi-class classification of hyperspectral data using Gaussian Processes. 36th APCOM Applications of Computers and Operations Research in the Mineral Industry, Porto Alegre, Brazil: Fundacao Luiz Englert.
  • Monteiro, S., Nieto, J., Murphy, R., Ramakrishnan, R., Taylor, Z. (2013). Combining strong features for registration of hyperspectral and lidar data from field-based platforms. 2013 IEEE International Geoscience & Remote Sensing Symposium. IEEE.
  • Murphy, R., Chlingaryan, A., Melkumyan, A. (2013). Predicting Wavelength Position of the Ferric Iron Absorption at -900 nm from Hyperspectral Data (1000-2500 nm). 36th APCOM Applications of Computers and Operations Research in the Mineral Industry, Porto Alegre, Brazil: Fundacao Luiz Englert.
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2012). A geological perception system for autonomous mining. 2012 IEEE International Conference on Robotics and Automation (ICRA 2012), Piscataway, NJ, USA: (IEEE) Institute of Electrical and Electronics Engineers.
  • Bryson, M., Johnson-Roberson, M., Murphy, R. (2012). Low-cost, ultra-high spatial and temporal resolution mapping of intertidal rock platforms. The XXII Congress of the International Society for Photogammetry and Remote Sensing. Copernicus Publications.
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2012). On the potential of hyperspectral data for robotics perception: Hyperspectral data fusion for building environmental models for autonomous mining. Robotics: Science and Systems VIII, Sydney, NSW, Australia: Robotics Science and Systems.
  • Schneider, S., Murphy, R., Melkumyan, A., Nettleton, E. (2011). Autonomous Mapping of Mine Face Geology Using Hyperspectral Data. 35th APCOM Symposium 2011, Carlton, Victoria: The Australasian Institute of Mining and Metallurgy.
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2011). Classification of hyperspectral imagery using GPs and the OAD covariance function with automated endmember extraction. 2011 23rd IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2011), Los Alamitos, CA, USA: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
  • Monteiro, S., Murphy, R. (2011). Embedded Feature Selection of Hyperspectral Bands with Boosted Decision Trees. 2011 IEEE International Geoscience & Remote Sensing Symposium IGARSS 2011, Canada: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
  • Monteiro, S., Murphy, R. (2010). Calibrating Probabilities For Hyperspectral Classification Of Rock Types. 2010 IEEE International Geoscience and Remote Sensing Symposium, Honolulu, Hawaii, U.S.A.: (IEEE) Institute of Electrical and Electronics Engineers.
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2010). Gaussian Processes with OAD covariance function for hyperspectral data classification. 2010 22nd International Conference on Tools with Artificial Intelligence ICTAI10, USA: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
  • Melkumyan, A., Murphy, R. (2010). Spectral Domain Noise Suppression in Dual-Sensor Hyperspectral Imagery Using Gaussian Processes. ICONIP 2010 - 17th International Conference on Neural Information Processing, Germany: Springer.
  • Monteiro, S., Murphy, R., Ramos, F., Nieto, J. (2009). Applying Boosting for Hyperspectral Classification of Ore-Bearing Rocks. 2009 IEEE International Workshop on Machine Learning For Signal Processing (MLSP 2009), Grenoble, France: (IEEE) Institute of Electrical and Electronics Engineers.
  • Schneider, S., Murphy, R., Monteiro, S., Nettleton, E. (2009). On the development of a hyperspectral library for autonomous mining systems. 2009 Australasian Conference on Robotics and Automation, Sydney: Australian Robotics and Automation Association (ARAA).

Patents

  • Silversides, K., Murphy, R., Wyman, D. (2013). Spectral Classification [SU15]. South Africa.

2015

  • Murphy, R., Chlingaryan, A., Melkumyan, A. (2015). Gaussian processes for estimating wavelength position of the ferric iron crystal field feature at ∼900 nm from hyperspectral imagery acquired in the short-wave infrared (1002-1355 nm). IEEE Transactions on Geoscience and Remote Sensing, 53(4), 1907-1920. [More Information]

2014

  • Murphy, R., Schneider, S., Monteiro, S. (2014). Consistency of Measurements of Wavelength Position From Hyperspectral Imagery: Use of the Ferric Iron Crystal Field Absorption at ∼900 nm as an Indicator of Mineralogy. IEEE Transactions on Geoscience and Remote Sensing, 52(5), 2843-2857. [More Information]
  • Murphy, R., Schneider, S., Taylor, Z., Nieto, J. (2014). Mapping clay minerals in an open-pit mine using hyperspectral imagery and automated feature extraction. Vertical Geology Conference.
  • Murphy, R., Schneider, S., Monteiro, S. (2014). Mapping Layers of Clay in a Vertical Geological Surface Using Hyperspectral Imagery: Variability in Parameters of SWIR Absorption Features under Different Conditions of Illumination. Remote Sensing, 6(9), 9104-9129. [More Information]
  • Uezato, T., Murphy, R., Melkumyan, A., Chlingaryan, A., Schneider, S. (2014). Multiple endmember spectral unmixing within a multi-task framework. IEEE Geoscience and Remote Sensing Society (GRSS) and the Canadian Remote Sensing Society. IEEE.

2013

  • Chlingaryan, A., Melkumyan, A., Murphy, R., Schneider, S. (2013). Automated multi-class classification of hyperspectral data using Gaussian Processes. 36th APCOM Applications of Computers and Operations Research in the Mineral Industry, Porto Alegre, Brazil: Fundacao Luiz Englert.
  • Jackson, A., Murphy, R., Underwood, A. (2013). Biofilms on rocky shores: Influences of rockpools, local moisture and temperature. Journal of Experimental Marine Biology and Ecology, 443, 46-55. [More Information]
  • Monteiro, S., Nieto, J., Murphy, R., Ramakrishnan, R., Taylor, Z. (2013). Combining strong features for registration of hyperspectral and lidar data from field-based platforms. 2013 IEEE International Geoscience & Remote Sensing Symposium. IEEE.
  • Silversides, K., Murphy, R., Wyman, D. (2013). Spectral Classification [SU15]. South Africa.
  • Bryson, M., Johnson-Roberson, M., Murphy, R., Bongiorno, D. (2013). Kite aerial photography for low-cost, ultra-high spatial resolution multi-spectral mapping of intertidal landscapes. PLoS One, 8(9), 1-15. [More Information]
  • Murphy, R., Monteiro, S. (2013). Mapping the distribution of ferric iron minerals on a vertical mine face using derivative analysis of hyperspectral imagery (430-970 nm). ISPRS Journal of Photogrammetry and Remote Sensing, 75, 29-39. [More Information]
  • Murphy, R., Chlingaryan, A., Melkumyan, A. (2013). Predicting Wavelength Position of the Ferric Iron Absorption at -900 nm from Hyperspectral Data (1000-2500 nm). 36th APCOM Applications of Computers and Operations Research in the Mineral Industry, Porto Alegre, Brazil: Fundacao Luiz Englert.

2012

  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2012). A geological perception system for autonomous mining. 2012 IEEE International Conference on Robotics and Automation (ICRA 2012), Piscataway, NJ, USA: (IEEE) Institute of Electrical and Electronics Engineers.
  • Murphy, R., Monteiro, S., Schneider, S. (2012). Evaluating Classification Techniques for Mapping Vertical Geology Using Field-Based Hyperspectral Sensors. IEEE Transactions on Geoscience and Remote Sensing, 50(8), 3066-3080. [More Information]
  • Bryson, M., Johnson-Roberson, M., Murphy, R. (2012). Low-cost, ultra-high spatial and temporal resolution mapping of intertidal rock platforms. The XXII Congress of the International Society for Photogammetry and Remote Sensing. Copernicus Publications.
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2012). On the potential of hyperspectral data for robotics perception: Hyperspectral data fusion for building environmental models for autonomous mining. Robotics: Science and Systems VIII, Sydney, NSW, Australia: Robotics Science and Systems.

2011

  • Schneider, S., Murphy, R., Melkumyan, A., Nettleton, E. (2011). Autonomous Mapping of Mine Face Geology Using Hyperspectral Data. 35th APCOM Symposium 2011, Carlton, Victoria: The Australasian Institute of Mining and Metallurgy.
  • Murphy, R., Klein, J., Underwood, A. (2011). Chlorophyll a and intertidal epilithic biofilms analysed in situ using a reflectance probe. Aquatic Biology, 12(2), 165-176. [More Information]
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2011). Classification of hyperspectral imagery using GPs and the OAD covariance function with automated endmember extraction. 2011 23rd IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2011), Los Alamitos, CA, USA: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
  • Monteiro, S., Murphy, R. (2011). Embedded Feature Selection of Hyperspectral Bands with Boosted Decision Trees. 2011 IEEE International Geoscience & Remote Sensing Symposium IGARSS 2011, Canada: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]

2010

  • Monteiro, S., Murphy, R. (2010). Calibrating Probabilities For Hyperspectral Classification Of Rock Types. 2010 IEEE International Geoscience and Remote Sensing Symposium, Honolulu, Hawaii, U.S.A.: (IEEE) Institute of Electrical and Electronics Engineers.
  • Chapman, M., Tolhurst, T., Murphy, R., Underwood, A. (2010). Complex and inconsistent patterns of variation in benthos, micro-algae and sediment over multiple spatial scales. Marine Ecology - Progress Series, 398, 33-47. [More Information]
  • Ivesa, L., Chapman, M., Underwood, A., Murphy, R. (2010). Differential patterns of distribution of limpets on intertidal seawalls: experimental investigation of the roles of recruitment, survival and competition. Marine Ecology - Progress Series, 407(-), 55-69. [More Information]
  • Schneider, S., Melkumyan, A., Murphy, R., Nettleton, E. (2010). Gaussian Processes with OAD covariance function for hyperspectral data classification. 2010 22nd International Conference on Tools with Artificial Intelligence ICTAI10, USA: (IEEE) Institute of Electrical and Electronics Engineers. [More Information]
  • Jackson, A., Underwood, A., Murphy, R., Skilleter, G. (2010). Latitudinal and environmental patterns in abundance and composition of epilithic microphytobenthos. Marine Ecology - Progress Series, 417, 27-38. [More Information]
  • Melkumyan, A., Murphy, R. (2010). Spectral Domain Noise Suppression in Dual-Sensor Hyperspectral Imagery Using Gaussian Processes. ICONIP 2010 - 17th International Conference on Neural Information Processing, Germany: Springer.

2009

  • Monteiro, S., Murphy, R., Ramos, F., Nieto, J. (2009). Applying Boosting for Hyperspectral Classification of Ore-Bearing Rocks. 2009 IEEE International Workshop on Machine Learning For Signal Processing (MLSP 2009), Grenoble, France: (IEEE) Institute of Electrical and Electronics Engineers.
  • Murphy, R., Tolhurst, T. (2009). Effects of experimental manipulation of algae and fauna on the properties of intertidal soft sediments. Journal of Experimental Marine Biology and Ecology, 379(1-2), 77-84. [More Information]
  • Murphy, R., Underwood, A., Jackson, A. (2009). Field-based remote sensing of intertidal epilithic chlorophyll: Techniques using specialized and conventional digital cameras. Journal of Experimental Marine Biology and Ecology, 380(1-2), 68-76. [More Information]
  • Schneider, S., Murphy, R., Monteiro, S., Nettleton, E. (2009). On the development of a hyperspectral library for autonomous mining systems. 2009 Australasian Conference on Robotics and Automation, Sydney: Australian Robotics and Automation Association (ARAA).
  • Jackson, A., Murphy, R., Underwood, A. (2009). Patiriella exigua: grazing by a starfish in an overgrazed intertidal system. Marine Ecology - Progress Series, 376, 153-163.
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2009). Seasonal distribution of chlorophyll on mudflats in New South Wales, Australia measured by field spectrometry and PAM fluorometry. Estuarine, Coastal and Shelf Science, 84(1), 108-118. [More Information]

2008

  • Murphy, R., Underwood, A., Tolhurst, T., Chapman, M. (2008). Field-based remote sensing for experimental intertidal ecology: Case studies using hyperspatial and hyperspectral data for New South Wales (Australia). Remote Sensing of Environment, 112(8), 3353-3365. [More Information]
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2008). Spatial variation of chlorophyll on estuarine mudflats determined by field-based remote sensing. Marine Ecology Progress Series, 365(-), 45-55. [More Information]
  • Underwood, A., Murphy, R. (2008). Unexpected patterns of facilitatory grazing revealed by quantitative imaging. Marine Ecology Progress Series, 358, 85-94.

2006

  • Murphy, R., Underwood, A. (2006). Novel use of digital colour-infrared imagery to test hypotheses about grazing by intertidal herbivorous gastropods. Journal of Experimental Marine Biology and Ecology, 330(2), 437-447. [More Information]
  • Murphy, R., Underwood, A., Pinkerton, M. (2006). Quantitative imaging to measure photosynthetic biomass on an intertidal rock-platform. Marine Ecology Progress Series, 312, 45-55.

2005

  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2005). Estimation of surface chlorophyll-a on an emersed mudflat using field spectrometry: accuracy of ratios and derivative-based approaches. International Journal of Remote Sensing, 26(9), 1835-1859.
  • Murphy, R., Underwood, A., Pinkerton, M., Range, P. (2005). Field spectrometry: new methods to investigate epilithic micro-algae on rocky shores. Journal of Experimental Marine Biology and Ecology, 325(1), 111-124. [More Information]
  • Pinkerton, M., Richardson, K., Boyd, P., Gall, M., Zeldis, J., Oliver, M., Murphy, R. (2005). Intercomparison of ocean colour band-ratio algorithms for chlorophyll concentration in the Subtropical Front east of New Zealand. Remote Sensing of Environment, 97(3), 382-402.
  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2005). Remote-sensing of benthic chlorophyll: should ground-truth data be expressed in units of area or mass? Journal of Experimental Marine Biology and Ecology, 316(1), 69-77. [More Information]

2004

  • Murphy, R., Tolhurst, T., Chapman, M., Underwood, A. (2004). Estimation of surface chlorophyll on an exposed mudflat using digital colour-infrared (CIR) photography. Estuarine, Coastal and Shelf Science, 59(4), 625-638. [More Information]
  • Richardson, K., Pinkerton, M., Boyd, P., Gall, M., Zeldis, J., Oliver, M., Murphy, R. (2004). Validation of Sea WiFS data from around New Zealand. Advances in Space Research, 33(7), 1160-1167.

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