TY - GEN
T1 - Linear models of Cumulative Distribution Function for content based medical image retrieval
AU - Manjunath, K. N.
AU - Niranjan, U. C.
PY - 2005/12/1
Y1 - 2005/12/1
N2 - We propose an Image matching method based n Cumulative Distribution Function (CDF). The CDF f the query and database Images are approximated by piecewise linear models with two parameters, slope and intercept at various grayscale intervals. The equations solving the least squares line fitting algorithm are very simple to form, due to closed form expressions The contiguous set of lines approximating the CDFs enables us to compare query and database images with corresponding estimated slopes and intercepts. As the dynamic range f CDF is from 0 to 1, images of different sizes can be compared. Approximation of CDFs with lines further reduces the dimension f the image features and thus improves the speed f matching. Also, the monotonically increasing CDF is well suited for approximations with lines. Resolving the CDF with lines f different lengths recasts the matching to a hierarchical methodology.
AB - We propose an Image matching method based n Cumulative Distribution Function (CDF). The CDF f the query and database Images are approximated by piecewise linear models with two parameters, slope and intercept at various grayscale intervals. The equations solving the least squares line fitting algorithm are very simple to form, due to closed form expressions The contiguous set of lines approximating the CDFs enables us to compare query and database images with corresponding estimated slopes and intercepts. As the dynamic range f CDF is from 0 to 1, images of different sizes can be compared. Approximation of CDFs with lines further reduces the dimension f the image features and thus improves the speed f matching. Also, the monotonically increasing CDF is well suited for approximations with lines. Resolving the CDF with lines f different lengths recasts the matching to a hierarchical methodology.
UR - https://www.scopus.com/pages/publications/33846923400
UR - https://www.scopus.com/inward/citedby.url?scp=33846923400&partnerID=8YFLogxK
U2 - 10.1109/iembs.2005.1615981
DO - 10.1109/iembs.2005.1615981
M3 - Conference contribution
AN - SCOPUS:33846923400
SN - 0780387406
SN - 9780780387409
VL - 7 VOLS
T3 - Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
SP - 6472
EP - 6475
BT - Proceedings of the 2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2005 27th Annual International Conference of the Engineering in Medicine and Biology Society, IEEE-EMBS 2005
Y2 - 1 September 2005 through 4 September 2005
ER -