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19 January 2009 Measuring texture sharpness of a digital camera
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Proceedings Volume 7250, Digital Photography V; 72500H (2009) https://doi.org/10.1117/12.805853
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States
Abstract
A method for evaluating texture quality as shot by a camera is presented. It is shown that usual sharpness measurements are not completely satisfying for this task. A new target based on random geometry is proposed. It uses the so-called dead leaves model. It contains objects of any size at any orientation and follows some common statistics with natural images. Some experiments show that the correlation between objectives measurements derived from this target and subjective measurements conducted in the Camera Phone Image Quality initiative are excellent.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. Cao, F. Guichard, and Hervé Hornung "Measuring texture sharpness of a digital camera", Proc. SPIE 7250, Digital Photography V, 72500H (19 January 2009); https://doi.org/10.1117/12.805853
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