Searching for authors named "Subhashis Banerjee" – sorted by Relevance.
28 documents found, showing 1 through 10.
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Surface reconstruction from disparate shading: An integration of shapefrom-shading and stereopsis
- …A cooperative integration of stereopsis and shapefrom-shading is presented. The integration makes the process of 3-d surface reconstruction better constrained and more reliable. It also obviates the need for surface boundary conditions, and explicit information about the surface albedo and the light…
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Finding Point Correspondences in Motion Sequences Preserving Affine Structure
- …In this paper the problem of computing the point correspondences in a sequence of time-varying images of a 3D object undergoing non-rigid (aÆne) motion is addressed. It is assumed that the images are obtained through aÆne projections. The correspondences are established only from the analysis of the…
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Real Time Vision System for Collision Detection
- …Collision detection is an essential feature for any Real-Time Active Vision system to safeguard it against imminent collisions. In this paper, we describe the design and implementation of a real-time (25Hz) collision detection and avoidance system. The implementation is based on a theory originally …
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Recognition of dynamic hand gestures
- …This paper is concerned with the problem ofrecogTy;Ik of dynamic handgndyIW#I We have consideredgonside which are sequences of distinct hand poses. In thesegeseyWM hand poses canunderg motion and discrete changte However, continuous deformations of the hand shapes are not permitted. We have deve…
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An uncalibrated lightfield acquisition system
- …Acquisition of image data for lightfield usually requires an expensive, complex and bulky setup. In this paper, we describe a simple method of acquiring the image data set. The method requires a normal handheld video camera, which is taken around the object to be rendered. We employ homography from …
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Super-resolution using graphcuts
- …Abstract. This paper addresses the problem of super resolution- obtaining a single high-resolution image given a set of low resolution images which are related by small displacements. We employ a reconstruction based approach using MRF-MAP formalism, and use approximate optimization using graph cuts…
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A Cooperative Integration of Stereopsis and Optic Flow Computation
- …A cooperative integration of stereopsis and optic ow computation is presented. Central to our approach is the modelling of the visual processes as a sequence of coupled MRF's by dening suitable inter-process interactions based on some natural constraints. The integration makes each of the individual…
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Recognition of Partially Occluded Objects Using Neural Network Based Indexing
- …In this paper, a new neural network based indexing scheme has been proposed for recognition of planar shapes. Local contour segment-based-invariants have been used for indexing. Object contours have been obtained using a new algorithm which combines advantages of region growing and edge detection. N…
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Design of Embedded Systems for Real-Time Vision
- …In this paper we describe our implementations of real time vision applications such as collision detection and tracking on low-end desktop machines, as opposed to the expensive high-end workstations typically used for such applications. We have implemented these on Pentium PCs running Linux, and the…
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A simple method for interactive 3D reconstruction and camera calibration from a single view
- …We present a simple and intuitive method for interactive 3D reconstruction and camera calibration from a single image of a structured scene. The method is based on manual registration of two world planes. We present experimental results on some test images.…
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