opencv - Finding right point matches using RANSAC -

-

i have 2 images. each has 8 points corners of 2 squares in each image. need find corresponding correct matches between them. so, when pass 64 possible combinations of matches ransac (findfundamentalmatrix), gave me 7 matches suppose inliers but, turned out wrong matches.

i have been scratching head since many days trying figure out wrong. since new opencv, need figuring out.

thanks

for solve problem in first use findhomography() compute rotation value in last use perspectivetransform() transform input points original points.

  point2f first_8_points[8],second_8_points[8];   mat h = findhomography(first_8_points, second_8_points, cv_ransac );   float roatation =  acos( h.at<double>(0,0)) * 180/cv_pi;   perspectivetransform( first_8_points, second_8_points, h);

Comments

Post a Comment

Popular posts from this blog

c++ - Creating new partition disk winapi -

-
i'am trying create new partition , mount volume new, thought createfile let me this, code : lpctstr lpfilename=l"\\\\.\\device\\harddisk0\\partition3"; handle handl=createfile( lpfilename, generic_read | generic_write, file_share_read | file_share_write, null, create_always, file_attribute_normal, null ); if (handl==invalid_handle_value) { qdebug()<<"handl invalid"<<" error"<<getlasterror();} bool success = definedosdevice(ddd_raw_target_path,l"i:",l"\\device\\harddisk0\\partition3"); if(!success) qdebug()<<" definedosdevice failed "<<getlasterror(); bflag = getvolumenameforvolumemountpoint( l"i:\\", // input volume mount point or directory /** u in dir
Read more

Android Prevent Bluetooth Pairing Dialog -

-
i'm developing internal application uses bluetooth printing. want bluetooth pairing occur without user input. have managed working trapping android.bluetooth.device.action.pairing_request broadcast. in broadcast receiver call setpin method, , pairing works ok, bluetoothpairingdialog displayed second or two, disappears - see link below. https://github.com/android/platform_packages_apps_settings/blob/master/src/com/android/settings/bluetooth/bluetoothpairingdialog.java since broadcast non-ordered, can't call abortbroadcast() , , wondering if there other way prevent pairing dialog appearing. can hook window manager in way? i haven't been able come way without modifying sdk. if you're oem, it's easy (i'm on 4.3): in packages/apps/settings/androidmanifest.xml, comment intent filter pairing dialog: <activity android:name=".bluetooth.bluetoothpairingdialog" android:label="@string/bluetooth_pairing_request"
Read more

php - joomla get content in onBeforeCompileHead function -

-
i'm developing joomla system plugin. need add javascript , css files if [myshortcode] shortcode found in content. how can content in onbeforecompilehead function function onbeforecompilehead() { $document = jfactory::getdocument(); //add scripts if shortcode found ... $document->addstylesheet($cssfile, 'text/css', null, array()); the $content = jresponse::getbody(); not work. thanks try this, for style sheet, $document = jfactory::getdocument(); $document->addstylesheet('http://domain.com/templates/css/style.css'); for javascript file $document = jfactory::getdocument(); $document->addscript('full url'); also can this, $document = jfactory::getdocument(); // add javascript $document->addscriptdeclaration(' window.event("domready", function() { alert("an inline javascript declaration"); }); '); // add styles $style = 'body {'
Read more