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Currency recognition using a smartphone: Comparison between color SIFT and gray scale SIFT algorithms.
Iyad Abu Doush
Sahar Al-Btoush
Published in:
J. King Saud Univ. Comput. Inf. Sci. (2017)
Keyphrases
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gray scale
color images
gray scale images
keypoints
image features
object recognition
binary images
mathematical morphology
scale invariant feature transform
image matching
halftone images
scale invariant
error diffusion
grayscale images
high quality
digital images
image retrieval
inverse halftoning