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A Representation for Shape Based on Peaks and Ridges in the Difference of Low-Pass Transform.
James L. Crowley
Alice C. Parker
Published in:
IEEE Trans. Pattern Anal. Mach. Intell. (1984)
Keyphrases
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low pass
high pass
high frequency
low pass filtering
multiscale
frequency domain
filter bank
object recognition
level set
subband
gray level
gray scale
contrast enhancement
region of interest
scale space
image quality
wavelet transform
image features
video sequences