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EmguCV 11 Years Ago by diptid Hi, I am working on EmguCV project. and I am stuck on following error. A first chance exception of type 'System.DllNotFoundException' occurred in Emgu.CV.dll I added required references. I also tried different versions of EmguCv. But no use. Help me. Re: EmguCV 11 Years Ago by Momerath You think asking on the EmguCV forums might be a better idea? Re: EmguCV 11 Years Ago by bettybarnes Post on EmguCV support forums. EmguCV absolute difference 11 Years Ago by Z33shan hello ! .. i'm working with images in EmguCv.. i've subtracted the background of a image frame, based on the difference between them, using Absolute difference.. but i want to obtain the digital (double) value in my double type variable.. how can i get that?? Re: EmguCV 11 Years Ago by diptid thank you guys Synchronised camera capture 10 Years Ago by lj81 … webcams at exactly the same time. I am using the EmguCv framework which is a wrapper class of the OpenCv framework… how to detect a face and draw line around it in a picture? 5 Years Ago by soroush68 … to crop it. I searched a lot and used the EmguCV face detector. but now my code just draw a "… Re: Regarding Open CV 12 Years Ago by DJSAN10 Try n go for EmguCV ..Its a wrapper for OpenCV for VS may be that will help Re: Regarding Open CV 12 Years Ago by jonsca [quote]Try n go for EmguCV ..Its a wrapper for OpenCV for VS[/quote] Emgu is a .NET wrapper for the OpenCV library. I don't believe that is what the OP is after in this case. Re: Regarding Open CV 12 Years Ago by maxzoel [QUOTE=DJSAN10;1611083]Try n go for EmguCV ..Its a wrapper for OpenCV for VS may be that will help[/QUOTE] hi djsan, i tried emgu cv already, after i got problem with opencv, but no success. i think since emgu cv is just wrapper for opencv, the real deal is with opencv. Re: Synchronised camera capture 10 Years Ago by Momerath You'll never get them at exactly the same time unless each frame from the camera comes with a timestamp, and even then it will depend on clock resolution. How long does it take to capture a frame? Are you multi-threading the capture process? Is the system doing anything other than image capture? Are you sure? Re: how to detect a face and draw line around it in a picture? 5 Years Ago by rproffitt Let's change the search word from detection to cropping. What happens? Try https://www.google.com/search?client=daniweb-b-1-ab&q=automatic+face+cropping+source+code Re: how to detect a face and draw line around it in a picture? 5 Years Ago by Yrth Here's a bit of ancient history for you. Way back in the day one of the very first breakthroughs in image recognition was made by a computer hobbyist, and it is germaine to your problem. The main problem in image recognition is edge extraction - how does one do that? It turns out that there is a fairly simple algorithm for extracting the edges … Re: how to detect a face and draw line around it in a picture? 5 Years Ago by rproffitt I think the OP wants to use canned code to do such work. Because the works I have been involved don't allow for such unless open source and generous licenses let me note the Sobel operation. Research for you: https://www.google.com/search?q=Sobel+operator+filter+image+edge+detection&gl=US Re: how to detect a face and draw line around it in a picture? 4 Years Ago by roycpo You can try Adobe Photoshop for this case and here you can easily detect any face and also crop this without loosing your image quality.