tag:blogger.com,1999:blog-8995455167205656082.post3037343816523815649..comments2018-12-03T04:23:29.873-08:00Comments on MARE's Computer Vision Study.: 8 point algorithm (Matlab source code) / The method to get the Fundamental Matrix and the Essential matrixJH Kimnoreply@blogger.comBlogger12125tag:blogger.com,1999:blog-8995455167205656082.post-33176932331365771822017-10-15T16:03:27.768-07:002017-10-15T16:03:27.768-07:00sensormm = 32;
widthpx = 1920;
heightpx = 1080;
f...sensormm = 32; <br />widthpx = 1920;<br />heightpx = 1080;<br />focalmm = 35;<br />focalpx = ( focalmm / sensormm ) * widthpx; <br /><br />I have these as my parameters, but I'm not sure how to do this normalization.Harris Handokohttps://www.blogger.com/profile/11752140170342383857noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-6225888817286815482017-10-15T16:02:15.245-07:002017-10-15T16:02:15.245-07:00Hello, can you explain a bit how the values of
N=...Hello, can you explain a bit how the values of<br /><br />N=[2/Width 0 -1;<br /> 0 2/Height -1;<br /> 0 0 1];<br /><br />in your code derived?Harris Handokohttps://www.blogger.com/profile/11752140170342383857noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-10494234267573071292016-12-18T18:35:59.064-08:002016-12-18T18:35:59.064-08:00I sent email to you.I sent email to you.JH Kimhttps://www.blogger.com/profile/13020968187164236752noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-8071977783467012702016-12-18T02:07:35.161-08:002016-12-18T02:07:35.161-08:00I'm using CMPMVS - Multi-View Reconstruction S...I'm using CMPMVS - Multi-View Reconstruction Software that I found on this web page http://ptak.felk.cvut.cz/sfmservice/websfm.pl?menu=cmpmvs.<br />Considering that i need just take in my commercial product some photos and make a ply file for output (something Iike this http://www.johnloomis.org/ComputerVision/examples.html) cloud I use your project or could you make for me a small application (I would like to pay, with collaboration)<br />Somehing a dll or exe file?<br />dimartino.ing.raffaele@gmail.comRaffaele Di Martinohttps://www.blogger.com/profile/07504472005180252226noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-42218553187474313902014-04-08T06:06:30.758-07:002014-04-08T06:06:30.758-07:00This article may help to your study. Thank you.
ht...This article may help to your study. Thank you.<br />http://feelmare.blogspot.kr/search/label/Calibration<br />JH Kimhttps://www.blogger.com/profile/13020968187164236752noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-21582495282608502832014-04-02T14:10:39.792-07:002014-04-02T14:10:39.792-07:00Hi, I'm working on my master thesis right now ...Hi, I'm working on my master thesis right now and I'm having some troubles with determining the exact positions of cameras that are marked red in your picture. I used some other methods to determine the values to 3d reconstruction and got a bit different results, but the whole shape and the estimated positions of points in 3d seems just fine. Could you give me some advice how can I estimate the relative coordinates of cameras based on 2 views? Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-66621020857629560242013-08-21T10:10:43.422-07:002013-08-21T10:10:43.422-07:00many thanks for you, can you explain for me about ...many thanks for you, can you explain for me about "getCorrectCameraMatrix". I can't understand how can buid matrix A as follow:<br />% We build the matrix A<br /> A = [Pcam(3,:).*xhat(1,1)-Pcam(1,:);<br /> Pcam(3,:).*xhat(2,1)-Pcam(2,:);<br /> PXcam(3,:,i).*xphat(1,1)-PXcam(1,:,i);<br /> PXcam(3,:,i).*xphat(2,1)-PXcam(2,:,i)];U Pahttps://www.blogger.com/profile/10170839392181583359noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-22790061792772521222013-03-06T02:49:05.054-08:002013-03-06T02:49:05.054-08:00Another issue is that why you didn't use the b...Another issue is that why you didn't use the baseline of two camera in your program. Because from other materials, i saw the the baseline is quite important to obtain the depth imformation...<br /><br />Thank you!!!!Wenchaohttps://www.blogger.com/profile/08243860330737063549noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-53737528233965535462013-03-06T00:35:47.987-08:002013-03-06T00:35:47.987-08:00Hi, can i know what is the reference for those fin...Hi, can i know what is the reference for those final coordinates of Points in 3D spaceWenchaohttps://www.blogger.com/profile/08243860330737063549noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-46783141117140196652013-01-18T00:48:30.773-08:002013-01-18T00:48:30.773-08:00Thank you so much!!
감사합니다Thank you so much!!<br />감사합니다♥♂ Ⓐⓓⓐⓜ ♀♥https://www.blogger.com/profile/05846770711753058996noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-90788264717488041042013-01-15T04:19:21.615-08:002013-01-15T04:19:21.615-08:00You have to do camera calibration to get intrinsic...You have to do camera calibration to get intrinsic matrix.<br />There are many tool to calibration camera in web.<br />Open CV also support function for camera calibration.<br />If you hard to use opencv, I recomand GML camera calibration tool.<br />Search this keyword in the google, or download directly in my drive(https://docs.google.com/file/d/0B7Z5A9fd6h29T3lHaVRxUWxpY2c/edit).<br /><br />Point is important. You have to get same position coordinate of left, right image.<br />If the point include missmatch error, we cannot get exact P matrix.<br /><br />Thank you.<br /><br /><br /><br />jeong hyun kimhttps://www.blogger.com/profile/13020968187164236752noreply@blogger.comtag:blogger.com,1999:blog-8995455167205656082.post-44505063558154064412013-01-13T14:12:55.865-08:002013-01-13T14:12:55.865-08:00Hi, nice to meet you.
This post is very useful to ...Hi, nice to meet you.<br />This post is very useful to me and I like it so much.<br />But I have a question, how about the uncallibrated method, because I didn't have the intrinsic matrix of my camera.<br />Is there any difference if I just determine the P2 from the fundamental matrix I defined?<br />Thanks!!♥♂ Ⓐⓓⓐⓜ ♀♥https://www.blogger.com/profile/05846770711753058996noreply@blogger.com