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This repo contains the code o find corner features in multiple images and to align the images in a mosaic by estimating a homography between corresponding features

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yashmewada9618/Image-Mosaicing

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This repo was submitted as a partial requirement of computer vision course. It contains the implementation of following algorithms for Image Mosacing and corner detection. Here we applied a Harris corner detector to find corners in two images, automatically find corresponding features, estimate a homography between the two images, and warp one image into the coordinate system of the second one to produce a mosaic containing the union of all pixels in the two images. The follwing was the flow of this project.

  • Read two images and apply Harris Corner detection algorithm on them.
  • Perform Non- max suppression of those corner points to find the best corners in the image.
  • Perform Normalised Cross Corelation between the corner points of two images to find thei correspondences.
  • These correspondences will definetly have some outlier, reomve those by applying RANSAC algoirthm.
  • Find the homography between the remaining inliers.
  • Wrap one image ontop another by applying the homography we found in the above step.
  • Performed blending algorithms like Alpha Blending, Weighted average blending, average Blending, Linear Blending.

Output:

Harris Corner Detection NCC Correspondences After RANSAC stiched Image Homography on image

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This repo contains the code o find corner features in multiple images and to align the images in a mosaic by estimating a homography between corresponding features

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