This book constitutes the refereed proceedings of the 4th International Conference on Computer Vision/Computer Graphics Collaboration Techniques, MIRAGE 2009, held in Rocquencourt, France, in May 2009.

Tracking Human Motion with Multiple Cameras Using an Articulated Model.- Shape Recovery of Specular Surface Using Color Highlight Stripe and Light Source Coding.- Geometric Mesh Denoising via Multivariate Kernel Diffusion.- Automatic Segmentation of Scanned Human Body Using Curve Skeleton Analysis.- Multi-view Player Action Recognition in Soccer Games.- Heart Cavity Segmentation in Ultrasound Images Based on Supervised Neural Networks.- Automatic Fitting of a Deformable Face Mask Using a Single Image.- Re-projective Pose Estimation of a Planar Prototype.- Tracking and Retexturing Cloth for Real-Time Virtual Clothing Applications.- A Novel Approach to Spatio-Temporal Video Analysis and Retrieval.- A Bag of Words Approach for 3D Object Categorization.- An Improved Structured Light Inspection of Specular Surfaces Based on Quaternary Coding.- Robust Detection and Tracking of Multiple Moving Objects with 3D Features by an Uncalibrated Monocular Camera.- Automatic Golf Ball Trajectory Reconstruction and Visualization.- Integrated Digital Image Correlation for the Identification of Mechanical Properties.- Recovery of 3D Solar Magnetic Field Model Parameter Using Image Structure Matching.- From Interactive Positioning to Automatic Try-On of Garments.- Level Set Segmentation of Knee Bones Using Normal Profile Models.- Detection of Overlapped Ellipses by Combining Region and Edge Data.- Flash Lighting Space Sampling.- Error Analysis of Stereo Calibration and Reconstruction.- Spatio-Temporal Tracking of Faces by Stereo Vision.- Spatio-Temporal Scene Analysis Based on Graph Algorithms to Determine Rigid and Articulated Objects.- Low-Cost Multi-image Based 3D Human Body Modeling.- Modified Histogram Based Fuzzy Filter.- Color Transfer in Images Based on Separation of Chromatic and Achromatic Colors.- Realistic Face Animation for Audiovisual Speech Applications: A Densification Approach Driven by Sparse Stereo Meshes.- Meshless Virtual Cloth.- New Human Face Expression Tracking.- A Model-Based Approach for Human Body Reconstruction from 3D Scanned Data.- Region-Based vs. Edge-Based Registration for 3D Motion Capture by Real Time Monoscopic Vision.- Supporting Diagnostics of Coronary Artery Disease with Multi-resolution Image Parameterization and Data Mining.- Interpreting Face Images by Fitting a Fast Illumination-Based 3D Active Appearance Model.- EEG Data Driven Animation and Its Application.- Facade Structure Parameterization Based on Similarity Detection from Single Image.- Epipolar Angular Factorisation of Essential Matrix for Camera Pose Calibration.- Integrated Noise Modeling for Image Sensor Using Bayer Domain Images.- Searching High-Dimensional Neighbours: CPU-Based Tailored Data-Structures Versus GPU-Based Brute-Force Method.

This book constitutes the refereed proceedings of the 4th International Conference on Computer Vision/Computer Graphics Collaboration Techniques, MIRAGE 2009, held in Rocquencourt, France, in May 2009. The 41 revised full papers presented were carefully reviewed and selected from a total of 83 submissions. The papers cover a wide range of topics with focus on Computer Vision/Computer Graphics collaboration techniques involving image analysis/synthesis approaches especially concerning theoretical, computational, experimental or industrial aspects of model-based image analysis and image-based model synthesis.