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Three-dimensional (3D) biomedical image sets often have in-plane resolutions that are exceedingly higher than the out-of-plane spacing between images. Image interpolation can be used to reduce the effective out-of-plane spacing. Optical flow and/or other registration-based interpolators have proven useful in interpolating this type of data in the past. When acquired images are comprised of signals...
In this paper, we propose two multiple-frame super-resolution (SR) algorithms based on dictionary learning (DL) and motion estimation. First, we adopt the use of video bilevel DL, which has been used for single-frame SR. It is extended to multiple frames by using motion estimation with sub-pixel accuracy. We propose a batch and a temporally recursive multi-frame SR algorithm, which improves over single-frame...
Planes are important geometric features and can be used in a wide range of vision tasks like scene reconstruction, path planning and robot navigation. This work aims to illustrate a plane segmentation system based on homography computation and optical flow estimation. Firstly, using two image frames from a monocular sequence, a set of match pairs of interest points is obtained. An algorithm was developed...
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