how to find 41*41 patch around a keypoint in an image ?
1 Ansicht (letzte 30 Tage)
Ältere Kommentare anzeigen
pankaj chouthmal
am 26 Jan. 2014
Kommentiert: pankaj chouthmal
am 27 Jan. 2014
what is patch ? how to extract 41*41 patch around a key point (x,y) in an image ?
0 Kommentare
Akzeptierte Antwort
Image Analyst
am 26 Jan. 2014
patch() is a function that overlays a colored polygon over an image or a plot/graph. Sounds like you don't want or need that. You want to extract a subimage centered at row=y, column = x, like this:
subImage = grayImage(y-20:y+20, x-20:x+20);
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Polygons finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!