Van Zwanenberg, O., Triantaphillidou, S. and Jenkin, R. 2023. A tool for deriving camera spatial frequency response from natural scenes (NS-SFR). Electronic Imaging 2023: Image Quality & System Performance XX. San Fransisco 15 - 19 Jan 2023 The Society of Imaging Science and Technology. https://doi.org/10.2352/EI.2023.35.8.IQSP-311
| Title | A tool for deriving camera spatial frequency response from natural scenes (NS-SFR) |
|---|---|
| Authors | Van Zwanenberg, O., Triantaphillidou, S. and Jenkin, R. |
| Type | Conference paper |
| Abstract | Recent research on digital camera performance evaluation introduced the Natural Scene Spatial Frequency Response (NS-SFR) framework, shown to provide a comparable measure to the ISO12233 edge SFR (e-SFR) but derived outside laboratory conditions. The framework extracts step-edges captured from pictorial natural scenes to evaluate the camera SFR. It is in 2-parts. The first utilizes the ISO12233 slanted-edge algorithm to produce an ‘envelope’ of NS-SFRs. The second estimates the system e-SFR from this NS-SFR data. One drawback of this proposed methodology has been the computation time. The process was not optimized, as it first derived NS-SFRs from all suitable step-edges and then further validated and statistically treated the results to estimate the e-SFR. This paper presents changes to the framework processes, aiming to optimize the computation time so that it is practical for real-world implementation. The developments include an improved framework structure, a pixel-stretching filter alternative, and the capability to utilize Graphics Processing Unit (GPU) acceleration. In addition, the methodology was updated to utilize the latest e-SFR algorithm implementation. The resulting code has been incorporated into a self-executable user interface prototype, available in GitHub. Future goals include making it an open-access, cloud-based solution to be used by scientists, camera evaluation labs and the general public. |
| Keywords | spatial frequency response |
| Natural Scene | |
| Imaging system performance | |
| image quality | |
| modulation transfer function | |
| Year | 2023 |
| Conference | Electronic Imaging 2023: Image Quality & System Performance XX |
| Publisher | The Society of Imaging Science and Technology |
| Accepted author manuscript | |
| Publisher's version | File Access Level Open (open metadata and files) |
| Publication dates | |
| Published | Jan 2023 |
| ISSN | 2470-1173 |
| Digital Object Identifier (DOI) | https://doi.org/10.2352/EI.2023.35.8.IQSP-311 |
| Web address (URL) of conference proceedings | https://library.imaging.org/ei/articles/35/8/IQSP-311 |
| Web address (URL) | https://library.imaging.org/ei/articles/35/8/IQSP-311 |
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Studies on the effect of MegaPixel sensor resolution on displayed image quality and relevant metrics
Triantaphillidou, S., Smejkal, J., Fry, E. and Chuang Hsin Hung 2020. Studies on the effect of MegaPixel sensor resolution on displayed image quality and relevant metrics. Bonnier, Nicolas and Farias, Mylène (ed.) IS&T Electronic Imaging: Image Quality and System Performance XVII. Burlingame, California, USA 26 - 30 Jan 2020 The Society of Imaging Science and Technology. https://doi.org/10.2352/ISSN.2470-1173.2020.9.IQSP-170
Scene-and-Process-Dependent Spatial Image Quality Metrics
Fry, E., Triantaphillidou, S., Jenkin, R., Jacobson, R.E. and Jarvis, J. 2019. Scene-and-Process-Dependent Spatial Image Quality Metrics. Journal of Imaging Science and Technology. 63 (6), pp. 060407-1–060407-13 13. https://doi.org/10.2352/J.ImagingSci.Technol.2019.63.6.060407
Validation of Modulation Transfer Functions and Noise Power Spectra from Natural Scenes
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Edge Detection Techniques for Quantifying Spatial Imaging System Performance and Image Quality
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Contrast sensitivity in images of natural scenes
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Bridging the Gap Between Imaging Performance and Image Quality Measures
Fry, E., Triantaphillidou, S., Jacobson, R., Jarvis, J. and Fagard-Jenkin, R. 2018. Bridging the Gap Between Imaging Performance and Image Quality Measures. IS&T Electronic Imaging Symposium 2018 - Image Quality System Performance XV. San Francisco, CA, USA 28 Jan - 01 Feb 2018 The Society of Imaging Science and Technology. https://doi.org/10.2352/ISSN.2470-1173.2018.12.IQSP-231
Image quality loss and compensation for visually impaired observers
Triantaphillidou, S., Fry, E., Sanchis, V. and Pons, A. 2018. Image quality loss and compensation for visually impaired observers. IS&T Electronic Imaging Symposium: Image Quality System Performance Conference. San Francisco, California, USA 28 Jan - 02 Feb 2018 The Society of Imaging Science and Technology. https://doi.org/10.2352/issn.2470-1173.2018.12.iqsp-365
Texture MTF from images of natural scenes
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Introduction to Image Quality and System Performance XII Proceedings
Larabi, C. and Triantaphillidou, S. 2015. Introduction to Image Quality and System Performance XII Proceedings. Proceedings of SPIE. 9396 939601 . https://doi.org/10.1117/12.2185155
Comparative performance between human and automated face recognition systems, using CCTV imagery, different compression levels and scene parameters
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The effects of scene content parameters, compression, and frame rate on the performance of analytics systems
Tsifouti, A., Triantaphillidou, S., Larabi, M.C., Doré, G, Bilissi, E. and Psarrou, A. 2015. The effects of scene content parameters, compression, and frame rate on the performance of analytics systems. SPIE Elecgtronic Imaging: Image Quality and System Performance XII. San Fransisco, USA Jan 2015 SPIE. https://doi.org/10.1117/12.2083426
Image quality optimization, via application of contextual contrast sensitivity and discrimination functions
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A case study in identifying acceptable bitrates for human face recognition tasks
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Special Section Guest Editorial: Image/Video Quality and System Performance
Larabi, M.C., Watson, A.B. and Triantaphillidou, S. 2014. Special Section Guest Editorial: Image/Video Quality and System Performance. Journal of Electronic Imaging. 23 (6), pp. 061101-1 - 061101-2 1. https://doi.org/10.1117/1.JEI.23.6.061101
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Acceptable bit-rates for human face identification from CCTV imagery
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Defining human contrast sensitivity and discrimination from complex imagery
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Contrast sensitivity and discrimination of complex scenes
Triantaphillidou, S., Jarvis, J. and Gupta, G. 2013. Contrast sensitivity and discrimination of complex scenes. in: Burns, P.D. and Triantaphillidou, S. (ed.) Image Quality and System Performance X SPIE.
Evaluation of perceived image sharpness with changes in the displayed image size
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Visual scene busyness measures through a region growing spatial segmentation
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Device-dependent scene-dependent quality predictions using effective pictorial information capacity
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.
Scene classification with respect to image quality measurements
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Multidimensional image selection and classification system based on visual feature extraction and scaling
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Perceptual image attribute scales derived from overall image quality assessments
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.
Identification of image attributes that are most affected with changes in displayed image size
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.
Subjective and objective measures of colour hard copy images
Attridge, G.G., Vagal, G., Allen, E., Triantaphillidou, S. and Pointer, M.R. 2008. Subjective and objective measures of colour hard copy images. Imaging Science Journal. 56 (3), pp. 163-174. https://doi.org/10.1179/174313108X281326
Colour analysis and verification of CCTV images under different lighting conditions
Smith, R.J., MacLennan-Brown, K., Triantaphillidou, S., MacDonald, L.W., Tighe, J.F. and Cohen, N. 2008. Colour analysis and verification of CCTV images under different lighting conditions. in: Farnand, S.P. and Gaykema, F. (ed.) Image quality and system performance V : 28-30 January 2008, San Jose, California, USA IS&T - The Society for Imaging and Science and Technology and SPIE.
Predicting image quality using a modular image difference model
Orfanidou, M., Triantaphillidou, S. and Allen, E. 2008. Predicting image quality using a modular image difference model. in: Farnand, S.P. and Gaykema, F. (ed.) Image quality and system performance V : 28-30 January 2008, San Jose, California, USA IS&T - The Society for Imaging and Science and Technology and SPIE.
Image quality comparison between JPEG and JPEG2000. II. Scene dependency, scene analysis, and classification
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
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. https://doi.org/10.2352/J.ImagingSci.Technol.(2007)51:3(248)
Effective pictorial information capacity as an image quality metric
Jenkin, R.B., Triantaphillidou, S. and Richardson, M.A. 2007. Effective pictorial information capacity as an image quality metric. in: Cui, L.C. and Miyake, Y. (ed.) Image Quality and System Performance IV: Proceedings of SPIE vol. 6494 SPIE.
Measurements of the modulation transfer function of image displays
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.
Metric approaches to image quality
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
A case study in digitizing a photographic collection
Triantaphillidou, S., Jacobson, R.E. and Attridge, G.G. 2002. A case study in digitizing a photographic collection. Imaging Science Journal. 50 (2), pp. 97-115. https://doi.org/10.1080/13682199.2002.11784395
A simple approach to digitizing a photographic collection
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
A Simple Approach in Digitising a Photographic Collection
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
An evaluation of MTF determination methods for 35mm scanners
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
Preferred Tone Reproduction of Images on Soft Displays
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
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