{"id":6940,"date":"2014-05-11T17:48:05","date_gmt":"2014-05-11T17:48:05","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/05\/11\/problem-about-dft-collection-of-common-programming-errors\/"},"modified":"2014-05-11T17:48:05","modified_gmt":"2014-05-11T17:48:05","slug":"problem-about-dft-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/05\/11\/problem-about-dft-collection-of-common-programming-errors\/","title":{"rendered":"problem about dft-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/dddf3305018066b6962d07163883bd4e?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nFelix<br \/>\njava fft analysis spectrum dft<br \/>\nhttp:\/\/jvalentino2.tripod.com\/dft\/index.htmlMy code is really just a copy of the above:package it.vigtig.realtime.fourier;import java.io.File; import java.io.IOException;import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.LineUnavailableException; import javax.sound.sampled.SourceDataLine;public class Fourier {\/\/ Create a global buffer sizeprivate static final<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/55612588936102ae87c00762fd19bbbc?s=32&amp;d=identicon&amp;r=PG&amp;f=1\" \/><br \/>\nSigroad<br \/>\nc++ opencv contour dft<br \/>\nWhat I am doing is after pre-processing the image (by thresholding) find contours of the Image. And I want to get the Discrete Fourier Descriptor of each contours (using dft() function) My code follows,vector&lt;Mat&gt; contourLines1; vector&lt;Mat&gt; contourLines2;getContourLine(exC1, contourLines1, binThreshold, numOfErosions); getContourLine(exC2, contourLines2, binThreshold, numOfErosions);\/\/ calculate fourier descriptor Mat fd1 = makeFD(contourLines1.front()); Mat fd2 = makeFD(contourLines<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/5626d9b13b9f2f85f9c979697f35eaa8?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\ndigiphd<br \/>\nandroid fft dft libgdx<br \/>\nI have been searching everywhere to find a reliable method to calculate the FFT of an audio byte stream received by a native function in android SDK (through eclipse IDE). I have come across the libgdx fft and Jtransform. Jtransform Found here JTransform . I have downloaded them all and added the .jar files to a created libs folder in the root directory for the project. I have then linked the project to the new .jar files through project properties &gt; java Build Path &gt; Libraries. My src java file<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/95d7a5d52210b1ce0a01ed02eb016b9b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRaul Laasner<br \/>\ngcc dft<br \/>\nI need to use the university computer cluster but for some reason it has a very old version of gcc. The package I&#8217;m trying to install, Abinit, requires a newer version. I have so far built the newest GMP, MPFR, MPC and GCC, configured everything with &#8211;disable-shared (Google told me it might help) and addedexport LD_LIBRARY_PATH=\/home\/raul\/local\/lib:\/home\/raul\/local\/lib64:$LD_LIBRARY_PATH export PATH=\/home\/raul\/local\/bin:\/$PATHto my .bashrc (I chose to install everything to a &#8216;local&#8217; directory i<\/li>\n<\/ul>\n<p>Web site is in building<\/p>\n<p>I discovery a place to host code\u3001demo\u3001 blog and websites.<br \/>\nSite access is fast but not money<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.m5zn.com\/newuploads\/2014\/01\/30\/jpg\/e7da807964b1fff.jpg\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Felix java fft analysis spectrum dft http:\/\/jvalentino2.tripod.com\/dft\/index.htmlMy code is really just a copy of the above:package it.vigtig.realtime.fourier;import java.io.File; import java.io.IOException;import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.LineUnavailableException; import javax.sound.sampled.SourceDataLine;public class Fourier {\/\/ Create a global buffer sizeprivate static final Sigroad c++ opencv contour dft What I am doing is after pre-processing the image [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6940","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/6940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=6940"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/6940\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=6940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=6940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=6940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}