tag:blogger.com,1999:blog-5009243388635575311.post2451965358002829824..comments2024-03-28T19:13:14.648+05:30Comments on Learn OpenCV by Examples: Edge detection using Laplacian operatorAnonymoushttp://www.blogger.com/profile/06433727653133625958noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-5009243388635575311.post-28106302808591012902021-07-24T19:44:26.226+05:302021-07-24T19:44:26.226+05:30الحشرات الضارة هي الحشرات التي تلحق الضرر بالإنسان...<br />الحشرات الضارة هي الحشرات التي تلحق الضرر بالإنسان وممتلكاتهم ومحاصيلهم ومواشيهم ، وتنتشر في جميع أنحاء العالم ، وقد تسبب الحشرات أضرارًا مباشرة ، أي بامتصاص دماء الكائنات الحية ، أو أكل أنسجتها ، أو بشكل غير مباشر ، عن طريق إزالتها. تنتقل مسببات الأمراض أو الطفيليات إلى الكائنات الحية ، وغالبًا ما يكون الضرر هو البالغين. وأحيانًا يكون الضرر في البالغين ويرقاتهم. قد تعمل هذه الحشرات بمفردها أو قد تهاجم في مجموعات. في أي حال ، يجب مكافحة الآفات والقضاء عليها لتجنب التسبب في ضرر<br /><a href="http://ubl.xml.org/blog/armor" rel="nofollow"> شركة ارمور للخدمات المنزلية </a><br />شركة ارمورhttps://www.blogger.com/profile/12714309652103918800noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-34354431653820800382019-07-17T18:01:38.207+05:302019-07-17T18:01:38.207+05:30How to fix this error?
"Traceback (most recen...How to fix this error?<br />"Traceback (most recent call last):<br /> File "C:/Documents/Python Programs/Laplacian.py", line 7, in <br /> laplacian = cv2.Laplacian(img,cv2.CV_64F)<br />cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\core\src\matrix.cpp:757: error: (-215:Assertion failed) dims <= 2 && step[0] > 0 in function 'cv::Mat::locateROI'"<br />Muhammad Shakeelhttps://www.blogger.com/profile/07200387187244410556noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-23939310159848421212019-06-20T11:07:00.095+05:302019-06-20T11:07:00.095+05:30It was such a great article.Thanks for sharing.
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tutuapp apk ios<a href="https://www.viraltrench.com/appvn/" rel="nofollow">appvn download</a><br /><a href="https://www.viraltrench.com/tutuapp-apk-features-for-ios-and-android/" rel="nofollow">tutuapp apk ios</a><br />Sports education worldwidehttps://www.blogger.com/profile/02414591480103226130noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-18519695645839837452017-04-07T17:29:57.409+05:302017-04-07T17:29:57.409+05:30applets for java to learning java<a href="http://java.happycodings.com/applets/" rel="nofollow">applets for java</a> to learning java<br />YouLoseBellyFathttps://www.blogger.com/profile/18175607118884749966noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-90867559037232993192017-01-20T00:21:56.251+05:302017-01-20T00:21:56.251+05:30where did we find the zero crossingwhere did we find the zero crossingAnonymoushttps://www.blogger.com/profile/10904969880578778737noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-42494123420997006042016-06-25T11:55:04.076+05:302016-06-25T11:55:04.076+05:30You have a mistake in your code. Not an error but ...You have a mistake in your code. Not an error but a very basic mistake. Check shis code and you will find it: http://paste.ofcode.org/fEiy8E82mWPFLbKnbivy25.https://www.blogger.com/profile/00248964670941516935noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-77280981049473286122016-06-24T17:21:30.838+05:302016-06-24T17:21:30.838+05:30This comment has been removed by the author..https://www.blogger.com/profile/00248964670941516935noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-69758246617177260672016-04-05T22:10:10.854+05:302016-04-05T22:10:10.854+05:30Why would you blur the input image? It seems count...Why would you blur the input image? It seems counter intuitive when trying to detect blur.Bryan Mackenziehttps://www.blogger.com/profile/13139599120713308251noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-73349759401248256112015-12-11T13:31:58.595+05:302015-12-11T13:31:58.595+05:30thanksthanksducmuihttps://www.blogger.com/profile/05392166510534860157noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-83106427814878480382014-07-29T09:51:06.203+05:302014-07-29T09:51:06.203+05:30Hi. Thanks for pointing out the mistake. I have mo...Hi. Thanks for pointing out the mistake. I have modified the steps.Kanhanoreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-32640785143840234392014-07-28T17:21:15.206+05:302014-07-28T17:21:15.206+05:30Your steps don't match your algorithm. There&#...Your steps don't match your algorithm. There's no Hough Transform ;)Zkusmohttps://www.blogger.com/profile/02818625485562057750noreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-23767451559945652472014-01-17T20:14:15.974+05:302014-01-17T20:14:15.974+05:30No. Laplacian operator takes same time that sobel ...No. Laplacian operator takes same time that sobel operator takes. However, canny takes more time than others.<br /><br />In both Laplacian and Sobel, edge detection involves convolution with one kernel which is different in case of both. So they take almost same time. <br />However, canny takes more time since it involves many steps for edge extraction. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-5009243388635575311.post-3537707450392091272014-01-17T17:07:13.785+05:302014-01-17T17:07:13.785+05:30I an learning Im Proc with OpenCV. I have a basic ...I an learning Im Proc with OpenCV. I have a basic question. Does Laplacian Edge detection takes longer time than the Canny or Sobel. If yes, Why?Anonymoushttps://www.blogger.com/profile/07444540164783758487noreply@blogger.com