Search found 4 matches

by musicprog
Tue Jan 13, 2009 7:31 am
Forum: Scanning and PDF Creation
Topic: putting entries into the "violin etude" category
Replies: 9
Views: 8866

I agree kcleung, we need to create Violin Etudes / Methods section. Last time, I added such etudes to Violin Solo section .
by musicprog
Tue Jan 13, 2009 12:37 am
Forum: Scanning and PDF Creation
Topic: stripping logos from scanned PDF files
Replies: 61
Views: 51641

The original find_obj program of OpenCV is actually capable of detecting all the four edges of a STAMP. In that case any non rectangular STAMP can be detected. This program is simplified to provide the diagonally opposite edges. Need to check with actual samples to find the usability of SURF.
by musicprog
Mon Jan 12, 2009 2:11 pm
Forum: Scanning and PDF Creation
Topic: stripping logos from scanned PDF files
Replies: 61
Views: 51641

This program uses SURF(Speed-Up Robust Features) algorithm for searching the STAMP. Normally it takes 30-45 second to find the co-ordinates of stamp in a 300dpi A4 page. You can try this program as the accuracy level is really good. STAMP image can contain any number of connected components. The fea...
by musicprog
Sat Jan 03, 2009 3:41 pm
Forum: Scanning and PDF Creation
Topic: stripping logos from scanned PDF files
Replies: 61
Views: 51641

STAMP remover based on OpenCV find_obj.exe

I have created a small tool which can detect STAMP in an a large image. This tool is a modification of OpenCV computer vision sample find_obj program. This tool detects the co-ordinates of the STAMP on the large image. Using Imagemagic convert tool the STAMP can be removed from the large image based...