Image processing by digital computer

A Closed Set of Normal Orthogonal Functions

J. L. Walsh · American Journal of Mathematics · 1923 · 975 citations

Natural Sciences, Mathematics, Computational Geometry +4

Hadamard transform image coding

William K. Pratt, Julius Kane, Harry C. Andrews · Proceedings of the IEEE · 1969 · 662 citations

Arts, Computer Science, Computer Vision +13

Nonlinear filtering of multiplied and convolved signals

Alan V. Oppenheim, Ronald W. Schafer, Thomas G. Stockham · Proceedings of the IEEE · 1968 · 502 citations

Arts, Computer Science, Acoustics +15

Picture Processing by Computer

Leon D. Harmon, Kenneth C. Knowlton · Science · 1969 · 331 citations

Computing, Computer Engineering, Computer Science +11

Measurement of Left Ventricular Volumes in Man by Single-plane Cineangiocardiography

Irwin S. Kasser, Ward J. Kennedy · Investigative Radiology · 1969 · 260 citations

Medicine, Cardiology, Radiology +16