Questions tagged [opencv-stitching]

Stitching module of OpenCV

New module of OpenCV, for example, to make panoramic image generation from multiple images possible. Please refer to OpenCV documentation

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OpenCV - Stitching Images from a grid of images

I have found some basic working examples on stitching via OpenCV for panoramic images. I have also found some useful documentation in the API docs, but I can't find out how to speed up the processing by providing additional information. In my case,…
Cloud
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OpenCV installation stuck at [ 99%] Built target opencv_perf_stitching with no error

So I am installing the latest version of OpenCV 3.2.0 and it just got stuck on 99% (even though I passed nproc to -j for make it took really long time and my nproc output is 24) and I wonder if there's a solution as I prefer not to stop it. I am not…
Mona Jalal
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OpenCV stitch images by warping both

I already found a lot questions and answers about image stitching and warping with OpenCV but I still could not find an answer to my question. I have two fisheye cameras which I calibrated successfully so the distortion is removed in both images.…
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How can I stitch images from video cameras in real time?

I use 4 stationary cameras. Cameras do not move relative to each other. And I want to stitch video images from them into the one video image in real time. I use for this OpenCV 2.4.10, and cv:stitcher class, like this: // use 4…
Alex
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OpenCv in Java: DescriptorExtractor is deprecated. What do I use instead?

I have some sample code which uses OpenCV (Java wrapper) to stitch 2 images together. It refers to a class "DescriptorExtractor" which is deprecated. I can't find any information in the official web documentation or the source-code about what I…
Tim Cooper
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Cropping panorama image in OpenCV

I'm trying to find a simple algorithm to crop (remove the black areas) of a panorama image created with the openCV Stitcher module. My idea is to calculate the most inner black points in the image which will define the cropping area, as shown in the…
PerracoLabs
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Image Stitching details with OpenCV

I am trying to get deep into stitching. I am using cv::detail. I am trying to follow this example: I roughly understand the stitching pipeline. there is a function matchesGraphAsString() which return a graph. I am wondering how does it even compute…
mkuse
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opencv stitching with free dll

I have a function in my project that would do stitching, the function is working fine, it is very simple: Mat output(m_Img, true), pano; // a panaoramic image bool try_use_gpu = true; Stitcher iSticher =…
Samer
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Low quality aerial stitching with OpenCV

I've been trying to stitch low quality, low resolution (320x180) images, taken by a quadrocopter, in OpenCV recently. Here is what i got: http://postimg.org/gallery/1rqsycyk/ The pictures taken are almost nadir and as you can see overlapping much.…
Will
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Can someone explain the parameters of OpenCV Stitcher?

I'm trying to reduce the calculation time of my stitching algorithm. I got some images which I want to stitch in a defined order but it seems like cv::stitcher.stitch() function tries to stitch every image with every other image. I feel like I might…
user2481582
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OpenCV on iOS simple stitching example fails with resize error

I am trying to run a simple photo stitching example using OpenCV XCFramework in an iOS app, but it fails with the following error during the call to stitcher->stitch(imgs, pano) ibc++abi: terminating with uncaught exception of type cv::Exception:…
gpdawson
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360 Equirectangular Image Stitching

I completed stitching using six images obtained by rotating in place using Python stitcher class. however, I would like to implement 360 degree equirectangular image stitching. (like a Google street view 360 camera and Matterport scan) Can anyone…
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openCV image Stitching wide angle 160 degrees

I'm trying to Stitching image wide angle 160.5 degree but the result is not a good i'm using OpenCV 4 and ffmpeg to get frames from video ffmpeg command to get 15 frame per sec : ffmpeg -i first.mp4 -vf fps=15 preview%05d.jpg OpenCV Stitching…
a.masri
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How to stitch images by openCV with masks? (Only stitch parts of images)

I was trying to stitch images with OpenCV stitcher. Some of the feed in images have some black areas left by previous processing and they cause some trouble while stitching. First image Second image Third image Forth image And my code is like…
Legion
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Trying to get OpenCV to work in Java, sample code to stitch 2 photos together

I'm trying to use OpenCV in Java. I want to stitch 2 photos together. OpenCV is a C++ library and it has a Java wrapper. I downloaded OpenCV Java with the pre-build Windows .dll's from the official site: …
Tim Cooper
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