Re: [R] compare two fingerprint images

2010-04-04 Thread Tal Galili
Enlightening and entertaining - Thanks Charles :) Contact Details:--- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | www.r-statistics.com (English) ---

Re: [R] compare two fingerprint images

2010-04-04 Thread Charles C. Berry
On Sun, 4 Apr 2010, Tal Galili wrote: Hi Jim, Another thing I am wondering is - even if you have a metric for comparing two images (which I admit I didn't come across and I don't know how to approach), would that be enough to decide if two images are "close" or not? My guess is that no - one wou

Re: [R] compare two fingerprint images

2010-04-04 Thread Juan Antonio Gil Pascual
Thanks Jim I made a matching algorithm with R, but I get good results for two images of the same person, so I use a cross correlation function to directly compare images. Do you know of normalized cross-correlation function with R?. Juan Jim Lemon escribió: On 04/04/2010 05:18 AM, Juan Ant

Re: [R] compare two fingerprint images

2010-04-04 Thread Tal Galili
Hi Jim, Another thing I am wondering is - even if you have a metric for comparing two images (which I admit I didn't come across and I don't know how to approach), would that be enough to decide if two images are "close" or not? My guess is that no - one would also need a database of other fingerpr

Re: [R] compare two fingerprint images

2010-04-03 Thread Jim Lemon
On 04/04/2010 05:18 AM, Juan Antonio Gil Pascual wrote: Hi Bernado I need to compare two fingerprint images and let me know if you can do with R. I have used the technique of minutiae but it seems to work better with the cross-correlation and wanted to know if you can do with R. Hi Juan, If yo

Re: [R] compare two fingerprint images

2010-04-03 Thread Tal Galili
How do you nominate a "fortune" ? First run this code: for (i in 1:1000) cat(" Please follow the Posting Guide. ") > > Contact Details:--- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me: www.talgalili.c

Re: [R] compare two fingerprint images

2010-04-03 Thread Barry Rowlingson
On Sat, Apr 3, 2010 at 8:18 PM, Juan Antonio Gil Pascual wrote: > I need to compare two fingerprint images and let me know if you can do with > R. I have used the technique of minutiae but it seems to work better with > the cross-correlation and wanted to know if you can do with R. I don't thin

Re: [R] compare two fingerprint images

2010-04-03 Thread Bernardo Rangel Tura
On Sat, 2010-04-03 at 21:18 +0200, Juan Antonio Gil Pascual wrote: > Hi Bernado > > I need to compare two fingerprint images and let me know if you can do > with R. I have used the technique of minutiae but it seems to work > better with the cross-correlation and wanted to know if you can do wit

Re: [R] compare two fingerprint images

2010-04-03 Thread Charles C. Berry
On Sat, 3 Apr 2010, Juan Antonio Gil Pascual wrote: Hi Bernado I need to compare two fingerprint images and let me know if you can do with R. I have used the technique of minutiae but it seems to work better with the cross-correlation and wanted to know if you can do with R. First run this

Re: [R] compare two fingerprint images

2010-04-03 Thread Juan Antonio Gil Pascual
Hi Bernado I need to compare two fingerprint images and let me know if you can do with R. I have used the technique of minutiae but it seems to work better with the cross-correlation and wanted to know if you can do with R. Thank you very much Juan Bernardo Rangel Tura escribió: On Fri, 2

Re: [R] compare two fingerprint images

2010-04-03 Thread Bernardo Rangel Tura
On Fri, 2010-04-02 at 20:52 +0200, Juan Antonio Gil Pascual wrote: > Hello > I wanted to compare two fingerprint images. How do you do with R?. > Is there a role for cross-correlation of images? > > Thanks > Hi juan, You was a quite vage in your question, so I don't know exactly what you need b

[R] compare two fingerprint images

2010-04-02 Thread Juan Antonio Gil Pascual
Hello I wanted to compare two fingerprint images. How do you do with R?. Is there a role for cross-correlation of images? Thanks -- = Juan Antonio Gil Pascual Prof. Titular de Métodos de Investigación en Educación correo: j...@edu.uned.es w