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Wrong homography or wrong extracted features ruins mosaic

Hi all, I'm making a mosaic stitch program using the code I've discussed with another user in a old post: http://answers.opencv.org/question/60332/panorama-mosaic-from-aerial-images/

The code works pretty well, but there's a problem: sometimes,when I paste the two images of the stitch together in the final panorama, only a part of these two images is "syncrhonized" correctly, like in this picture: image description

if you see,all the right part is correct, but if you see the sidewalk in the middle it seems "sliced".

Could be a homography problem? Could be a features problem? How can I avoid this?

thanks!

Wrong homography or wrong extracted features ruins mosaic

Hi all, I'm making a mosaic stitch program using the code I've discussed with another user in a old post: http://answers.opencv.org/question/60332/panorama-mosaic-from-aerial-images/

The code works pretty well, but there's a problem: sometimes,when I paste the two images of the stitch together in the final panorama, only a part of these two images is "syncrhonized" correctly, like in this picture: image description

if you see,all the right part is correct, but if you see the sidewalk in the middle it seems "sliced".

Could be a homography problem? Could be a features problem? How can I avoid this?

thanks!

EDIT

Coul be akaze good for feature findinf in stitch?

Wrong homography or wrong extracted features ruins mosaic

Hi all, I'm making a mosaic stitch program using the code I've discussed with another user in a old post: http://answers.opencv.org/question/60332/panorama-mosaic-from-aerial-images/

The code works pretty well, but there's a problem: sometimes,when I paste the two images of the stitch together in the final panorama, only a part of these two images is "syncrhonized" correctly, like in this picture: image descriptionpicture:

if you see,all the right part is correct, but if you see the sidewalk in the middle it seems "sliced".

Could be a homography problem? Could be a features problem? How can I avoid this?

thanks!

EDIT

Coul be akaze good for feature findinf in stitch?

EDIT Sorry I had to remove the image