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2016-02-11 07:48:17 -0600 | asked a question | Calculating the distance between two points How do i calculate the distance between two points in java/ opencv |
2016-02-02 10:48:38 -0600 | commented answer | locateROI not drawing in ROI okay, thankyou for your reply.. but i am still unsure as i need a co-ordinate of that point corresponding to original image rather than the ROI... using your example... drawing the circle would only output the point in the corner of the image, as it has the coordinates of the point within the ROI rather than the original image ? |
2016-02-02 08:21:31 -0600 | commented question | locateROI not drawing in ROI the ROI i am trying to find within the larger 'image'. the bounding rect is inside the roiTmp |
2016-02-02 07:37:45 -0600 | asked a question | locateROI not drawing in ROI I have a rectangle which surrounds some points.. i now want to find the center of the rectangle ( and also the four corners but i havent included that here). I am trying the locateROI function but it works but seems to only add the circle at the top of the image rather than in the ROI....can anyone see where im going wrong?? |
2015-11-28 16:22:59 -0600 | commented question | searching for colours in java something like this? (see update) i got errors saying "error: (-215) (scn == 3 || scn == 4) && (depth == CV_8U || depth == CV_32F)" so included this in the new mat but hasnt seem to made a difference |
2015-11-28 09:26:01 -0600 | commented question | searching for colours in java so it cant be done? |
2015-11-28 09:05:42 -0600 | asked a question | searching for colours in java I have managed to detect the users mouth and draw a rectangle around it, creating the submat 'mouth'. now i would like to draw contours around the mouth. I have decided to do this via colour searching, so I have tried to search for a shade of pink/red within the Mat and then draw lines around it. However, it doesnt seem to work.. Can anyone see where i am going wrong? |
2015-11-17 12:28:26 -0600 | commented question | Converting Mat to IPLimage in Java / opencv ive added some code |
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2015-11-17 11:33:59 -0600 | commented question | Converting Mat to IPLimage in Java / opencv okay thankyou. dont suppose you know how i can convert a mat to an iplimage?? |
2015-11-17 11:09:59 -0600 | asked a question | Converting Mat to IPLimage in Java / opencv Is there any way to covert a Mat to an IPLimage in java or opencv??? Trying to implement Flandmark in Java, but i need to change the saved image to iplimage to do this. Thanks, |
2015-11-16 14:30:48 -0600 | asked a question | Flandmark in Java I am trying to implement flandmark in Java & opencv, I have got it all working except I am using Mat instead of IplImage which means when i try to detect in the image, it doesnt work. in the code below, 'input' is a Mat. Since 'input' needs to be IplImage, does anyone know how i can convert this to an IplImage from a Mat??
I also cant seem to find the import for IplImage in opencv, which confuses me alot.. |
2015-11-14 05:50:05 -0600 | commented answer | Facial feature detection did you get this working?? can you share any code? |
2015-11-09 08:55:21 -0600 | commented question | Java Opencv import for SVM looked into it, but unsure how to implement it into my application.. got any good links / tutorials where to start with doing this? |
2015-11-08 10:58:30 -0600 | commented question | Java Opencv import for SVM ahh yeah its open cv 3 |
2015-11-08 07:45:31 -0600 | asked a question | Java Opencv import for SVM I am working on an gender recognition app using java and i have detected the users face using open cv and now i am looking into using SVM as part of it. Is it possible to do it in Java as most of the code i have seen has been in C++. I have found many tutorials online about this but i am still unsure how to start it using java.. I wanted to train the different genders on my laptop, then import the xml to the android. Anyone got any pointers or starter code for me to do this? Any help would be massively appreciated Thanks, |
2015-10-10 10:00:35 -0600 | commented answer | Eye detection - OpenCV any advice on how to do it? ive tried to change it from rectangle to circle but had no luck :( |
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2015-10-07 14:08:49 -0600 | asked a question | Eye detection - OpenCV I am creating an android application that locates the users eyes. I have managed to get it working perfectly using a rectangle around the eyes. However, i would much prefer it if instead of rectangles, it was a circle around the eye. Does anybody know how i can do this? Also another issue i am having is that sometimes it draws alot of rectangles around the page where it thinks there is an eye. any way of stopping this ? Thanks in advance. Below is my code for drawing the rectangle around the eyes. |
2015-08-12 11:48:12 -0600 | asked a question | Loss of quality on saved image - open cv I am doing some image modifying using open cv and when i save the image, i lose quality and it becomes very blurred and pixelated... |
2015-08-11 06:37:55 -0600 | asked a question | getResources() on null object reference I keep getting this error - "Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference" I have made a camera that saves an image. I am now trying to detect faces in that image, but i keep getting this error when i run the code.. any help? I believe its because i am not passing the context to the facedetection class but i have tried many attempts with no success.. thanks Then in my facedetection class: |
2015-08-09 10:47:33 -0600 | asked a question | Saving an image using OpenCV & Android Hi, using java, i have created a camera using surface view.. I am trying to save the image using OpenCV so that i can modify the image (crop, resize etc) but i have having trouble converting the image to a MAT and then saving it.. Any help would be greatly appreciated if you can see where i am going wrong.. |