TY - GEN
T1 - Interval HSV
T2 - 2009 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2009
AU - Femiani, John C.
AU - Razdan, Anshuman
PY - 2009
Y1 - 2009
N2 - The HSV color space is an intuitive way to reason about color, but the nonlinear relationship to RGB co-ordinates complicates histogram analysis of colors in HSV. We present novel Interval-HSV formulas to identify a range in HSV for each RGB interval. We show the usefulness by introducing a parameter-free and completely automatic technique to extract both colored and black ink annotations from faded backgrounds such as digitized aerial photographs, maps, or printed-text documents. We discuss the characteristics of ink mixing in the HSV color space and discover a single feature, the upper limit of the saturation-interval, to extract ink even when it is achromatic. We form robust Interval-HV histograms in order to identify the number and colors of inks in the image.
AB - The HSV color space is an intuitive way to reason about color, but the nonlinear relationship to RGB co-ordinates complicates histogram analysis of colors in HSV. We present novel Interval-HSV formulas to identify a range in HSV for each RGB interval. We show the usefulness by introducing a parameter-free and completely automatic technique to extract both colored and black ink annotations from faded backgrounds such as digitized aerial photographs, maps, or printed-text documents. We discuss the characteristics of ink mixing in the HSV color space and discover a single feature, the upper limit of the saturation-interval, to extract ink even when it is achromatic. We form robust Interval-HV histograms in order to identify the number and colors of inks in the image.
UR - http://www.scopus.com/inward/record.url?scp=70450245509&partnerID=8YFLogxK
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U2 - 10.1109/CVPRW.2009.5206554
DO - 10.1109/CVPRW.2009.5206554
M3 - Conference contribution
AN - SCOPUS:70450245509
SN - 9781424439935
T3 - 2009 IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2009
SP - 2520
EP - 2527
BT - 2009 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, CVPR Workshops 2009
PB - IEEE Computer Society
Y2 - 20 June 2009 through 25 June 2009
ER -