Building a 3D model of the operating field is the first stage to access the registration of pre-operative surface models in per-operative context. We propose a method to learn the 3D model of the organs observed by a stereoscopic endoscope. This method is general and requires no a priori knowledge of the position of the instruments, whether robotized or manually-controlled, present in the field...

In order to monitor a robot's position, traditional techniques have used a model of the environment and a 2D view (image) of the scene from the current position of the robot. These techniques require either a fairly accurate 3D scene model or noisy 3D models with a reliable estimate of the model noise. Since it is dii-cult either to automatically obtain accurate 3D models or to reliably estimat...

In this paper, we describe a 3D modeling program called RMBL3D, Realistic Maps Built like Legos, which manipulates the architectural repetition in building structures to produce realistic 3D models. This paper details the features and aspects of the RMBL3D program and tests the viability of using 3D objects as building blocks to generate a virtual map. RMBL3D is designed to be the visualization...

3D object modeling and fine-grained classification are often treated as separate tasks. We propose to optimize 3D model fitting and fine-grained classification jointly. Detailed 3D object representations encode more information (e.g., precise part locations and viewpoint) than traditional 2D-based approaches, and can therefore improve fine-grained classification performance. Meanwhile, the pred...

Over the past few years, a remarkable increase has occurred in the demand for 3D models for cultural heritage applications. The techniques employed have evolved from surveying and CAD tools and/or traditional photogrammetry into laser scanning and more automated image-based techniques. However, selecting the most effective technique for a given project is not always obvious. We will discuss eac...

This chapter provides an overview of 3D object modeling approaches. It begins by briefly describing the issues in 3D object modeling and their impact on the quality of the resulting model. Then it looks in depth on classical 3D object modeling techniques and what they involve. It discusses advantages and disadvantages and gives possible applications for each described method. The presentation i...

In this report, we present a method to generate 3D shape and color information of a face from a single image. This is done in two steps, firstly we learn a morphable model of 3D face from some exemplar faces. Using this 3D model we could generate various novel faces by changing the model parameters. In the second step we formulate a method to fit this model to a single image to find out the mod...

In the paper a new 3D shape representation algorithm is proposed — the Polar-Fourier 3D Shape Descriptor. Similarly to the Light Field Descriptor, the proposed method is based on rendering several two-dimensional projections of a 3D model, taken from various points of view. However, the proposed descriptor uses the 2D Polar-Fourier transform for obtained projections This enables the new descrip...

Many reverse-engineering tools have been developed to derive abstract representations from existing source code. Graphic visuals derived from reverse engineered source code have long been recognized for their impact on improving the comprehensibility of the structural and behavioral aspects of software systems and their source code. As programs become more complex and larger, the sheer volume o...

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