Title :
1D frequency domain analysis of Frei-Chen edge masks
Author_Institution :
Dept. of Electron. Eng., Sogang Univ., Seoul, South Korea
fDate :
3/19/1998 12:00:00 AM
Abstract :
3×3 compass gradient edge masks can be interpreted in the one-dimensional (1D) frequency domain using the circularity of the weight matrix. By carrying out a 1D frequency domain analysis, the author explains the Frei-Chen edge masks and their irrational weights
Keywords :
edge detection; frequency-domain analysis; masks; 1D frequency domain analysis; Frei-Chen edge masks; gradient edge masks; irrational weights; weight matrix;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19980397
