2017-08-29 17:07:34 -0600 | received badge | ● Student (source) |
2015-09-21 14:02:30 -0600 | asked a question | Try to measure times of image stitching using OpenCV Stitcher. Different times when restarting/not restarting program. Issue with memory? I made little application to stitch few images using OpenCV. It's mainly to measure times of stitching. Here is a function to load photos using path in txt file: Here is MakePanorama function. I implemented here simple timer to measure time of stitching images. I need to know how long it takes to stitch 2,3,4.. images. It contains all openCV Stitcher Class functions: And here is main: And here is weird thing. When I call ReadPhotos() and MakePanorama() only once in one single run of program it stitches 2 images in 3 seconds, 3 images in 8 seconds and 4 images in 16 seconds. When I call ReadPhotos() and MakePanorama() 3 times with 2, 3 and 4 photos to stitch in single run of program it takes 3 seconds, 30 seconds and 130 seconds. So I can see that reruning program gives a lot better times. Why is that? Im cleaning ImageVector. What else should I do? Thanks for help:) |
2015-06-28 10:58:58 -0600 | received badge | ● Enthusiast |
2015-06-26 09:05:49 -0600 | asked a question | Parameters of OpenCV ImageStitching. Trying to understand them. I make GUI program to stitch images and create panoramas. I try to understand all parameters given by OpenCV stitching module but I can't find information about all of them. I have problem with this:
From BundleAdjustment function:
And from Features Matcher:
From first group, by changing values, I see on output image that parameters change quality of output image. But I can't find any accurate information about this parameters. From second BundleAdjustment group. I see that it has something with camera parameters but like previous one, no specific information. Third group about Features Matcher. I have problem with understand this 2 parameters. For all people who would like to send me link to OpenCV documentation. I know with some of this parameters there is some information. But mainly it's just 1 sentence or no information. I would like to find some more information about it. Is there any book/site I should visit? Thanks for any help :) |
2015-05-15 06:26:26 -0600 | commented question | Function works in OpenCV 2.4.11, not working in 3.0. Stitcher stitcher = Stitcher::createDefault(true); Ptr<warpercreator> warper(new SphericalWarper()); stitcher.setWarper(warper); |
2015-05-14 11:19:56 -0600 | asked a question | Function works in OpenCV 2.4.11, not working in 3.0. Hello, I'm using stitcher class. I have working project in QT using openCV 3.0 and working project in Visual Studio using OpenCV 2.4.11. Code is the same and as I can see stitcher class looks the same in 3.0 and 2.4.11. In Visual Studio I use: In QT I use the same and I get error: When I try to stitch images in QT without setting any parameters it's working. As I can see here OpenCV Docs it should be working. Anyone has any idea why it's not working? Thanks for any help. |
2015-04-30 11:18:53 -0600 | asked a question | Stitching works only when images given in correct order. Hello, I have a weird problem. I try to make panorama using stitching class. I use for this 12 photos. Code is very simple. I load images into ImagesVector and then stitch them. I made 12 photos from one point. One photo covers 50% of previous one. When I load images to vector in order from 1 to 12 it stitches only few images, so my output panorama is not full 360 degrees. I found out that when I change order and load images to vector diffrenetly it's working. So first I load images from 4 to 12, and then I load 1 to 3 and this order gives me 360 degrees panorama. Have anyone any idea why order in vector has matter? I thought that this class compares all single images to other images, so order should not have any influence. I have another small question. There are stitching and stitching_detailed class. What are differences? |