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We present a hierarchical method for estimating pixel resolution disparity from a raw Plenoptic 2.0 light field capture. Accurate pixel resolution disparity is essential for reconstruction of a high quality conventional image, and also for various applications that depend on disparity, like object segmentation, bokeh etc. Most light field disparity estimation methods in the literature compute disparity...
We present a subspace based disparity estimation technique for plenoptic 2.0 lightfield cameras. The raw lightfield image contains a micro-image for every lens in the micro-lens array. The disparity of a scene point is typically estimated using multi-baseline approach. The multi-baseline approach necessitates that a focussed copy of a patch is present in at least one of the neighboring micro-images...
We present a depth estimation method for light field cameras by making use of Epipolar Plane Image (EPI) representations of the microlens sub images. Light field raw image structure has several sub images and generally depth is estimated using multi baseline techniques or object labeling schemes. Both these approaches are quite complex. EPI representation of the sub images when applied to the multi-baseline...
Video scaling is a crucial video processing component that finds a variety of applications in video display, enhancement and analysis. Thus, video scaling has been an important research topic for several years now. With the emergence of hybrid-cameras that simultaneously capture a low-resolution (LR) video and periodic high-resolution (HR) stills, methods that use information in HR stills for enhancing...
Image and video capture devices are often designed with different capabilities and end-users in mind. As a result, very often images are captured at one resolution and need to be displayed at another resolution. Resizing thus continues to be an important research area in today's milieu. Well-known pixel-based methods (like bicubic interpolation) have traditionally been used for the purpose. However,...
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