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Currently the 3-D cameras available in the market use separate methods to capture 3-D information of the environment along with 2-D images which are complex and expensive, limiting their applications. Whereas, the passive methods like shape-from-focus are well-organized, requiring only the use of simple focus measure operators. An inherent weakness of focus-based method is that they are computationally...
In this paper, we propose a new method as a solution to decrease the high cost involved in 3D cameras. For this purpose, we have developed a simple and fast algorithm to calculate depth based on Pixel-Intensities as a model for depth measurement. The images are taken by varying the focus value in small steps, and each pixel in the image is taken as a single measurement. The proposed algorithm is fast...
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