Sample 1: How to use SURF to extract features about javacv HOT 8 CLOSED

Thanks for the samples! Although for SURF I had already done something named 
ObjectFinder:
http://code.google.com/p/javacv/source/browse/trunk/javacv/src/com/googlecode/ja
vacv/ObjectFinder.java

In any case, I'm thinking to start adding samples like those that people send 
me in a separate samples folder in future releases..

Latest version includes some samples, but given that JavaCV already comes with 
a working ObjectFinder, I will leave this incomplete sample out of them.

Can you please explain whether this code example can use with new javacv 
package because when I try to execute it throws compile errors regarding the 
symbol can not find errors

for example
                CvSeq imageKeypoints = new CvSeq();
                CvSeq imageDescriptors = new CvSeq();
                CvSURFParams params = cvSURFParams(500, 1);

                cvExtractSURF(image, null, imageKeypoints.pointerByReference(),imageDescriptors.pointerByReference(), storage,params.byValue(), 0);

In this code line I can't get the pointerByReference(), .byValue() methods, 
could you please explain me the reason for that.
 can you please explain what is the reason for that ?

I'm using opencv_2.4.2 and javaCV_0.2 but the SurfExample.java  file is not 
working. though I'm a newbie with javaCV here! Any help would be appreciated.

hello I have the same problem with the same mistakes, I am also newbie it seems 
SurfExample.java file is incomplete .. I need help .. could someone help me 
make it work?

Please refer to ObjectFinder.java instead:
http://code.google.com/p/javacv/source/browse/src/main/java/com/googlecode/javac
v/ObjectFinder.java

I am using the code of objectFinder.java at link provided in above comment. But 
the Following line is giving me error(in class settings). I am using the latest 
version of opencv, i.e 2.4.8 and also the latest version of javacv, i.e. 0.7.
CvSURFParams parameters=cvSURFParams(500,1);

Where can I find the OpenCV implementation for SURF?