Mr. Juan Carlos Santos Ferrer Profile

Juan Carlos Santos Ferrer

Resarcher at Univ de Puerto Rico Mayagüez

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Proceedings Article | 5 June 2014 Paper

Photorealistic image synthesis and camera validation from 2D images

Juan Santos Ferrer, David González Chévere, Vidya Manian

Proceedings Volume 9117, 911712 (2014) https://doi.org/10.1117/12.2050916

KEYWORDS: Cameras, 3D image reconstruction, Video, 3D image processing, Digital imaging, Calibration, Image quality, Infrared imaging, Quality measurement, Infrared radiation

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This paper presents a new 3D scene reconstruction technique using the Unity 3D game engine. The method presented here allow us to reconstruct the shape of simple objects and more complex ones from multiple 2D images, including infrared and digital images from indoor scenes and only digital images from outdoor scenes and then add the reconstructed object to the simulated scene created in Unity 3D, these scenes are then validated with real world scenes. The method used different cameras settings and explores different properties in the reconstructions of the scenes including light, color, texture, shapes and different views. To achieve the highest possible resolution, it was necessary the extraction of partial textures from visible surfaces. To recover the 3D shapes and the depth of simple objects that can be represented by the geometric bodies, there geometric characteristics were used. To estimate the depth of more complex objects the triangulation method was used, for this the intrinsic and extrinsic parameters were calculated using geometric camera calibration. To implement the methods mentioned above the Matlab tool was used. The technique presented here also let’s us to simulate small simple videos, by reconstructing a sequence of multiple scenes of the video separated by small margins of time. To measure the quality of the reconstructed images and video scenes the Fast Low Band Model (FLBM) metric from the Video Quality Measurement (VQM) software was used. Low bandwidth perception based features include edges and motion.

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