Abstract
Dense prediction is a class of computer vision problems aiming at mapping every pixel of the input image with some predicted values. Depending on the problem, the output values can be either continous or discrete. For instance, monocular depth estimation and image super-resolution are often formulated as regression, while semantic segmentation is a dense classification, i.e. discrete, problem. More specifically, the monocular depth estimation problem produces a dense depth map from a single image to be used in various applications including robotics, scene understanding, and augmented reality. Single image super-resolution (SISR) is a low-level vision task that generates a high-resolution image from its low-resolution counterpart. SISR is widely utilized in medical and surveillance imaging, where images with more precise details can provide invaluable information. On the other hand, semantic segmentation predicts a dense annotated map of different semantic categories from a given image that is crucial for image understanding tasks.
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URL
https://arxiv.org/abs/2203.01994
