"OpenCV" Panorama stitching

Starting from the official version of OpenCV3.0, features2d in some of the interface, moved to the additional library xfeatures2d, wherein there is SIFT, surf feature detection method, but the normal download installation OPENCV does not include additional libraries, because the additional library is not stable, Still in the continuous improvement, if with xfeatures2d appeared the mystery のbug, then so ...

Additional Library Configuration Guide:

https://nishantnath.com/2015/10/19/open-cv-3-x-adding-contrib-support-to-default-installation/

Http://www.cnblogs.com/asmer-stone/p/5089764.html

Additional library source on Github:

Https://github.com/Itseez/opencv_contrib/tree/master/modules/xfeatures2 D

Read the Readme carefully before installing

I'm the split line ***************************************************.

Detail Code/REPORT:HTTPS://GITHUB.COM/CHEERM/OPENCV_STITCH2

1. Preprocessing

If the large image splicing, we must first narrow the transformation matrix H, or accidentally burst the memory ...

Grayscale transformation

Cylindrical projection

If the picture is reversed, rotate the angle first so that it can be stitched horizontally.

2. Corner Point Detection

　　

3. Description Child

　　

4. Matching & Finding the transformation matrix

　　

　　

5. Final stitching

　　

Results (No fusion:

　　

"OpenCV" Panorama stitching