Ralph Jacobson

Emeritus Professor

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Computer Science | Department

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2014

Perceptibility and acceptability of JPEG 2000 compressed images of various scene types (2014)
Allen, E., Triantaphillidou, S. and Jacobson, R.E. 2014. Perceptibility and acceptability of JPEG 2000 compressed images of various scene types. SPIE Electronic Imaging: Image Quality and System Performance XI. San Francisco, USA Jan 2014 SPIE.
Just noticeable differences in perceived image contrast with changes in displayed image size (2014)
Triantaphillidou, S., Park, J.Y. and Jacobson, R.E. 2014. Just noticeable differences in perceived image contrast with changes in displayed image size. SPIE Proceedings 9016, Image Quality and System Performance XI. San Francisco, USA

2001

A Simple Approach in Digitising a Photographic Collection (2001)
Triantaphillidou, S. and Jacobson, R.E. 2001. A Simple Approach in Digitising a Photographic Collection. IS&T PICS. Montreal, Quebec, Canada April 2001 pp. 160-165

1999

An evaluation of MTF determination methods for 35mm scanners (1999)
Triantaphillidou, S., Jacobson, R.E. and Fagard-Jenkin, R. 1999. An evaluation of MTF determination methods for 35mm scanners. IS&T PICS. Savannah, Georgia, USA April 1999 pp. 231-235

1998

Preferred Tone Reproduction of Images on Soft Displays (1998)
Triantaphillidou, S., Jacobson, R.E. and Ford, A.M. 1998. Preferred Tone Reproduction of Images on Soft Displays. ICPS 1998. Antwerp September 1998 pp. 205-208

2012

Evaluation of perceived image sharpness with changes in the displayed image size (2012)
Park, J.Y., Triantaphillidou, S., Jacobson, R.E. and Gupta, G. 2012. Evaluation of perceived image sharpness with changes in the displayed image size. in: SPIE proceedings: Electronic Imaging: Image Quality & System Performance IX, 82930J SPIE.

2011

Device-dependent scene-dependent quality predictions using effective pictorial information capacity (2011)
Oh, K.H., Triantaphillidou, S. and Jacobson, R.E. 2011. Device-dependent scene-dependent quality predictions using effective pictorial information capacity. in: SPIE proceedings: Image Quality and System Performance VIII, 78670R SPIE.

2010

Scene classification with respect to image quality measurements (2010)
Oh, K.H., Triantaphillidou, S. and Jacobson, R.E. 2010. Scene classification with respect to image quality measurements. in: Farnand, S.P. and Gaykema, F. (ed.) Image quality and system performance VII : 18-19 January 2010, San Jose, California, United States Bellingham, Wash. SPIE.

2009

Identification of image attributes that are most affected with changes in displayed image size (2009)
Park, J.Y., Triantaphillidou, S. and Jacobson, R.E. 2009. Identification of image attributes that are most affected with changes in displayed image size. in: Farnand, S.P. and Gaykema, F. (ed.) Image quality and system performance VI : 19-21 January 2009, San Jose, California, USA IS&T - The Society for Imaging and Science and Technology and SPIE.
Perceptual image attribute scales derived from overall image quality assessments (2009)
Oh, K.H., Triantaphillidou, S. and Jacobson, R.E. 2009. Perceptual image attribute scales derived from overall image quality assessments. in: Farnand, S.P. and Gaykema, F. (ed.) Image quality and system performance VI : 19-21 January 2009, San Jose, California, USA IS&T - The Society for Imaging and Science and Technology and SPIE.

2006

Assessing image quality (2006)
MacDonald, L.W. and Jacobson, R.E. 2006. Assessing image quality. in: MacDonald, L.W. (ed.) Digital heritage: applying digital imaging to cultural heritage Oxford, UK Elsevier. pp. 351-373

2003

Use of the first order Wiener kernal transform in the evaluation of SQRIn and PIC quality metrics for JPEG compression (2003)
Jenkin, R.B., Jacobson, R.E. and Richardson, M.A. 2003. Use of the first order Wiener kernal transform in the evaluation of SQRIn and PIC quality metrics for JPEG compression. in: Miyake, Y. and Rasmussen, D.R. (ed.) Image quality and system performance SPIE.
Modelling and application of contrast enhancement of visually indistinct colours using simple single band image capture techniques (2003)
Jacobson, R.E. and Jenkin, R.B. 2003. Modelling and application of contrast enhancement of visually indistinct colours using simple single band image capture techniques. in: Final program and proceedings of the PICS conference, the digital photography conference processing images, image quality, capturing images, systems conference Rochester, New York, USA Society for Imaging Science and Technology. pp. 194-198
Perceptibility and acceptability of gamma differences of displayed sRGB images (2003)
Bilissi, E., Jacobson, R.E. and Attridge, G.G. 2003. Perceptibility and acceptability of gamma differences of displayed sRGB images. in: PICS 2003: the PICS Conference, an International Technical Conference on the Science and Systems of Digital Photography, including the Fifth International Symposium on Multispectral Color Science Rochester, USA Society for Imaging Science and Technology.

2002

Effect of gamma correction in discrete imaging systems upon determination of MTF (2002)
Jenkin, R.B., Jacobson, R.E., Axford, N.R. and Allen, E. 2002. Effect of gamma correction in discrete imaging systems upon determination of MTF. in: Final program and proceedings of IS&T's PICS conference: image processing, image quality, image capture systems conference: In digital image capture and associated system, reproduction and image quality technologies Society for Imaging Science and Technology. pp. 142-147
Metric approaches to image quality (2002)
Jacobson, R.E. and Triantaphillidou, S. 2002. Metric approaches to image quality. in: MacDonald, L.W. and Luo, M.R. (ed.) Colour image science: exploiting digital media Chichester, UK Wiley. pp. 371-392
Some problems and solutions in quantifying image quality (2002)
Jacobson, R.E. 2002. Some problems and solutions in quantifying image quality. in: Proceedings of the International Congress of Imaging Science. 2002, May 13-17. Tokyo, Japan Society for Imaging Science and Technology. pp. 3-4
The effect of reduced color depth on the color reproduction of web images (2002)
Bilissi, E., Jacobson, R.E. and Attridge, G.G. 2002. The effect of reduced color depth on the color reproduction of web images. in: PICS 2002: IS&T's PICS Conference, an International Technical Conference on Digital Image Capture and Associated System, Reproduction and Image Quality Technologies Portland, USA Society for Imaging Science and Technology.

2001

A simple approach to digitizing a photographic collection (2001)
Triantaphillidou, S. and Jacobson, R.E. 2001. A simple approach to digitizing a photographic collection. in: PICS 2001: Image Processing, Image Quality, Image Capture Systems Conference Society for Imaging Science and Technology. pp. 160-165
Practical camera characterization for color measurement (2001)
Pointer, M.R., Attridge, G.G. and Jacobson, R.E. 2001. Practical camera characterization for color measurement. in: Proceedings of the Image Processing, Image Quality, Image Capture Systems Conference (PICS-01), Montreal, Quebec, Canada, April 22-25 2001, IS&T 2001 Springfield, USA Society for Imaging Science and Technology.
Visual significance of digital artifacts (2001)
MacLennan-Brown, K. and Jacobson, R.E. 2001. Visual significance of digital artifacts. in: PICS 2001: Image Processing, Image Quality, Image Capture Systems Conference Society for Imaging Science and Technology. pp. 119-123
Partial determination of non-linear MTF via the Volterra and Wiener theories of non-linear systems (2001)
Jenkin, R.B., Jacobson, R.E. and Axford, N.R. 2001. Partial determination of non-linear MTF via the Volterra and Wiener theories of non-linear systems. in: PICS 2001: Image Processing, Image Quality, Image Capture Systems Conference Society for Imaging Science and Technology. pp. 233-238
Modelling light fading of hard copy media (2001)
Jacobson, R.E. and Saunders, A.E. 2001. Modelling light fading of hard copy media. in: PICS 2001: Image Processing, Image Quality, Image Capture Systems Conference Society for Imaging Science and Technology. pp. 33-38

2008

Just noticeable gamma differences and acceptability of sRGB images displayed on a CRT monitor (2008)
Bilissi, E., Jacobson, R.E. and Attridge, G.G. 2008. Just noticeable gamma differences and acceptability of sRGB images displayed on a CRT monitor. Imaging Science Journal. 56 (4), pp. 189-200.

2007

Image quality comparison between JPEG and JPEG2000. II. Scene dependency, scene analysis, and classification (2007)
Triantaphillidou, S., Allen, E. and Jacobson, R.E. 2007. Image quality comparison between JPEG and JPEG2000. II. Scene dependency, scene analysis, and classification. Journal of Imaging Science and Technology. 51 (3), pp. 259-270.
Image quality comparison between JPEG and JPEG2000. I. Psychophysical investigation (2007)
Allen, E., Triantaphillidou, S. and Jacobson, R.E. 2007. Image quality comparison between JPEG and JPEG2000. I. Psychophysical investigation. Journal of Imaging Science and Technology. 51 (3), pp. 248-258.

2005

Errors due to quantization in MTF determination using sinusoidal targets (2005)
Jenkin, R.B., Jacobson, R.E. and Richardson, M.A. 2005. Errors due to quantization in MTF determination using sinusoidal targets. Imaging Science Journal. 53 (3), pp. 140-148.

2004

Measurements of the modulation transfer function of image displays (2004)
Triantaphillidou, S. and Jacobson, R.E. 2004. Measurements of the modulation transfer function of image displays. Journal of Imaging Science and Technology. 48 (1), pp. 58-65.

2002

Influence of luminance and resolution on the perceived quality of black-and-white images on soft displays (2002)
Bilissi, E., Jacobson, R.E. and Attridge, G.G. 2002. Influence of luminance and resolution on the perceived quality of black-and-white images on soft displays. Imaging Science Journal. 50 (4), pp. 277-289.
A case study in the digitisation of a photographic collection (2002)
Triantaphillidou, S., Jacobson, R.E. and Attridge, G.G. 2002. A case study in the digitisation of a photographic collection. Imaging Science Journal. 50 (2), pp. 97-115.
On the light fading of colorants in hard copy media (2002)
Jacobson, R.E. and Saunders, A.E. 2002. On the light fading of colorants in hard copy media. Imaging Science Journal. 50, pp. 83-95.
Perceived colour differences in displayed colours, part 2: spatial differences in soft copy imaging (2002)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2002. Perceived colour differences in displayed colours, part 2: spatial differences in soft copy imaging. Imaging Science Journal. 50, pp. 11-22.
Perceived colour differences in displayed colours, part 1: hard copy to soft copy matching (2002)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2002. Perceived colour differences in displayed colours, part 1: hard copy to soft copy matching. Imaging Science Journal. 50, pp. 1-9.
Gamut considerations for accurate colour reproduction on a computer displays (2002)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2002. Gamut considerations for accurate colour reproduction on a computer displays. Imaging Science Journal. 50, pp. 37-49.

2001

Practical camera characterization for colour measurement (2001)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2001. Practical camera characterization for colour measurement. Imaging Science Journal. 49, pp. 63-80.
Observer responses to colour perturbations in reflection prints (2001)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2001. Observer responses to colour perturbations in reflection prints. Imaging Science Journal. 49, pp. 81-90.
Application of a colour reproduction index to digital camera characterization (2001)
Attridge, G.G., Pointer, M.R. and Jacobson, R.E. 2001. Application of a colour reproduction index to digital camera characterization. Imaging Science Journal. 49, pp. 91-100.

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