Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 3298
5 votes
Accepted

SIFT - why s+3 scales per octave?

We must produce s + 3 images in the stack of blurred images for each octave, so that final extrema detection covers a complete octave. For $s=3$ this means you will have $s + 3 = 6$ blurred imag …
ppalasek's user avatar
  • 581