Homography - PowerPoint PPT Presentation

Lecture 02

Lecture 02. 08/11/2011 Sh ai Avidan. הבהרה: החומר המחייב הוא החומר הנלמד בכיתה ולא זה המופיע / לא מופיע במצגת. . Today. Alignment &amp; warping 2d transformations Forward and inverse image warping Constructing mosaics Homographies Robust fitting with RANSAC. Main questions.

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Back to equations of geometric transformations

Back to equations of geometric transformations. I m a g e of a P oin t. H omogeneous coo rdina tes of a 3 -D poin t. H omogeneous coo rdina tes of i ts 2 -D imag e. P roj ect ion of a 3 -D poin t t o an imag e plan e. P. 2D homography (projective transformation). Line p r ese r ving.

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Video and stills data

Video and stills data. Took a short video with a simple stills camera: 640x480 30fps No camera motion. Some people motion Used open-source video denoising ( Ffmpeg project) to get rid of some camera random noise. Took multiple exposures stills from (almost) the same viewpoint

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