NDLI: Real-Time Automatic Detection of Violent-Acts by Low-Level Colour Visual Cues

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2007 IEEE International Conference on Image Processing

Chairman's welcome

Technical program overview

Technical Program Committee

Table of contents

Scalable Coding of High Dynamic Range Video

Bit-Depth Scalable Video Coding

High Dynamic Range Image and Video Compression - Fidelity Matching Human Visual Performance

New Standardized Extensions of MPEG4-AVC/H.264 for Professional-Quality Video Applications

Overview of Multiview Video Coding and Anti-Aliasing for 3D Displays

The Super Hi-Vision Codec

Generalized Theoretical Model of Relationship Between Frame-Rate and Bit-Rate Considering Low Pass Filtering Induced by Shutter Opening

Utilizing HDTV Displays to its Full Potential and its Impact on Video Compression

Active Contours Based on Chambolle's Mean Curvature Motion

A Variational Framework for Partially Occluded Image Segmentation using Coarse to Fine Shape Alignment and Semi-Parametric Density Approximation

Coupled Hidden Markov Models for Robust EO/IR Target Tracking

Robust Object Segmentation using Adaptive Thresholding

Fourier Shape Descriptors of Pixel Footprints for Road Extraction from Satellite Images

Shape Prior Integrated in an Automated 3D Region Growing Method

A Morphological-Based License Plate Location

Optimal Particle Allocation in Particle Filtering for Multiple Object Tracking

Object-Based Multiple Sprite Coding of Unsegmented Videos using H.264/AVC

Advanced Real-time Rate Control in H.264

Intra-Frame Dyadic Spatial Scalable Coding Based on a Subband/Wavelet Framework for MPEG-4 AVC/H.264 Scalable Video Coding

Complexity Control for Real-Time Video Coding

Transmission of Post-Filter Hints for Video Coding Schemes

Royalty Cost Based Optimization for Video Compression

Enabling Introduction of Stereoscopic (3D) Video: Formats and Compression Standards

Spatial Texture Models for Video Compression

Total Variation Image Restoration and Parameter Estimation using Variational Posterior Distribution Approximation

Radial Deblurring with FFTs

Two-Step Algorithms for Linear Inverse Problems with Non-Quadratic Regularization

Variational Bayesian Blind Image Deconvolution with Student-T Priors

Imaeg Blur Reduction for Cell-Phone Cameras Via Adaptive Tonal Correction

Image Stabilization Based on Fusing the Visual Information in Differently Exposed Images

From Global to Local Bayesian Parameter Estimation in Image Restoration using Variational Distribution Approximations

Nonstationary Blind Image Restoration using Variational Methods

Domain-Partitioning Rankboost for Face Recognition

Orthogonal Neighborhood Preserving Embedding for Face Recognition

3D Face Recognition Based on 3D Ridge Lines in Range Data

Query-Driven Locally Adaptive Fisher Faces and Expert-Model for Face Recognition

Three Dimensional Face Recognition using Wavelet Decomposition of Range Images

A New Methodology of Illumination Estimation/Normalization Based on Adaptive Smoothing for Robust Face Recognition

Gabor-Based Improved Locality Preserving Projections for Face Recognition

Fast 3D Face Alignment and Improved Recognition Through Pyramidal Normal map Metric

A New Shape Signature for Fourier Descriptors

Common Spatial Pattern Discovery by Efficient Candidate Pruning

Do Colour Interest Points Improve Image Retrieval?

3-Way-Trees: A Similarity Search Method for High-Dimensional Descriptor Matching

Kernels on Bags of Fuzzy Regions for Fast Object retrieval

Object Recognition by Learning Informative, Biologically Inspired Visual Features

A Novel Video Mining System

Laplacian Affinity Propagation for Semi-Supervised Object Classification

How does Subsampling of Multi-View Images Affect the Rate-Distortion Performance?

Coding of multiview imagery with motion and disparity compensated orthogonal transforms

Multi-View Video Plus Depth Representation and Coding

Incorporating Depth-Image Based View-Prediction into H.264 for Multiview-Image Coding

RD-Optimized View Synthesis Prediction for Multiview Video Coding

Rendering-Oriented Decoding for Distributed Multi-View Coding System

Motion-Based Geometry Compensation for DWT Compression of 3D mesh Sequences

Multi-Viewpoint Synthesis from Uncalibrated Stereo Cameras

Precise 3-D Measurement using Uncalibrated Pattern Projection

Camera-to-Camera Geometry Estimation Requiring no Overlap in their Visual Fields

Stereo Matching using Multi-Directional Dynamic Programming and Edge Orientations

Stereo Matching using Reduced-Graph Cuts

Modeling of Front Evolution with Graph Cut Optimization

Foveal Wavelet-Based Color Active Contour

An Improved Snake-Based Method for Object Contour Detection

Content Adaptive Heterogeneous Snakes

Fitting a Pineapple Model for Automatic Maturity Grading

Implicit Evolution of Open Ended Curves

Large Scale Learning of Active Shape Models

Hierarchically Distributed Dynamic Mean Shift

Robust Image Segmentation with Mixtures of Student's t-Distributions

A Hierarchical Clustering Based on Mutual Information Maximization

Improving Segmentation Maps using Polarization Imaging

Deformable Shape Priors in Chan-Vese Segmentation of Image Sequences

Bandelet-Based Anisotropic Diffusion

Nonconvex Regularization for Shape Preservation

Detection and Removal of Rainboweffect Artifacts

Image Denoising with Directional Bases

salienShrink: Saliency-Based Wavelet Shrinkage

Denoising Via Nonlinear Image Decomposition for a Digital Color Camera

Color Image Denoising via Sparse 3D Collaborative Filtering with Grouping Constraint in Luminance-Chrominance Space

Removal of Correlated Noise by Modeling Spatial Correlations and Interscale Dependencies in the Complex Wavelet Domain

Edge Preserving Filters using Geodesic Distances on Weighted Orthogonal Domains

Trained Bilateral Filters and Applications to Coding Artifacts Reduction

A New Nonlinear Diffusion Method to Improve Image Quality

An Image Denoising Algorithm with an Adaptive Window

Orthogonal Diagonal Projections for Gait Recognition

Abnormal Activity Recognition in Office Based on R Transform

Real-Time Automatic Detection of Violent-Acts by Low-Level Colour Visual Cues

Gait Identification using the 3D Protrusion Transform

Gait Recognition Based on Human Body Components

3D Human Motion Tracking using Manifold Learning

High Speed Visual Saliency Computation on GPU

Segmentation and Recognition of Continuous Gestures

Automatic Measures for Predicting Performance in Off-Line Signature

Using Structured Illumination to Enhance Video-Based Eye Tracking

A Robust Approach for Eye Localization Under Variable Illuminations

Extrapolating Learned Manifolds for Human Activity Recognition

Binary Image Authentication using Zernike Moments

A Grey-Level Image Embedding its Color Palette

Compensated Signature Embedding Based Multimedia Content Authentication System

Tamper Detection Based on Regularity of Wavelet Transform Coefficients

Attack LSB Matching Steganography by Counting Alteration Rate of the Number of Neighbourhood Gray Levels

Benford's Lawin Image Processing

Estimating Steganographic Capacity for Odd-Even Based Embedding and its Use in Individual Compensation

Steganalysis of LSB Greedy Embedding Algorithm for JPEG Images using Coefficient Symmetry

Steganalysis using Noise Variance Estimation

Detecting Hidden Messages Using Image Power Spectrum

Hilbert Transform Pairs of Orthonormal Symmetric Wavelet Bases using Allpass Filters

Cyclic Filter Bank Implementations of Symmetric Extension for Subband/Wavelet Image Compression

Robust Blind Separation of Statistically Dependent Sources using Dual Tree Wavelets

Segmentation-Driven Direction-Adaptive Discrete Wavelet Transform

A Spatio-Temporal Autoregressive Frame Rate Up Conversion Scheme

Image Resolution Enhancement using Inter-Subband Correlation in Wavelet Domain

Mode Selection and Optimal Rate Control for Video Coding using an and-or Tree Representation

A Three-Step Nonlinear Lifting Scheme for Lossless Image Compression

An Adaptive Multiresolution Approach to Fingerprint Recognition

Statistically Driven Sparse Image Approximation

Robust Multiscale AM-FM Demodulation of Digital Images

A General Frame-by-Frame Wavelet Transform Algorithm for a Three-Dimensional Analysis with Reduced Memory Usage

Rotation Detection using the Curl Equation

Efficient Global Motion Estimation using Fixed and Random Subsampling Patterns

Subspace Extension to Phase Correlation Approach for Fast Image Registration

Globally Optimal Multimodal Rigid Registration: An Analytic Solution using Edge Information

Motion Estimation using Tangent Distance

Energetic Particle Filter for Online Multiple Target Tracking

Motion Correction Strategies for Interventional Angiography Images: A Comparative Approach

Template Trackingwith Observation Relevance Determination

Local or Global 3D Face and Facial Feature Tracker

Time-Varying Linear Autoregressive Models for Segmentation

Fundamental Matrix Estimation Without Prior Match

Block-Coordinate Gauss-Newton/regression Method for Image Registration with Efficient Outlier Detection

Skin-Aware Local Contrast Enhancement

Telegraph-Diffusion Operator for Image Enhancement

Reducing Illumination Based on Nonlinear Gamma Correction

Biased Image Correction Based on Empirical Mode Decomposition

Enhancement of Medical Images by the Paired Transform

Research on Offline Palmprint Image Enhancement

Image Enhancement using Sorted Histogram Specification and POCS Postprocessing

Compressed Sensing Image Reconstruction Via Recursive Spatially Adaptive Filtering

Image Inpainting Based on Geometrical Modeling of Complexwavelet Coefficients

Automated Segmentation of Torn Frames using the Graph Cuts Technique

Multi-Scale Semi-Transparent Blotch Removal on Archived Photographs using Bayesian Matting Techniques and Visibility Laws

2006 International Conference on Image Processing

IEEE International Conference on Image Processing 2005

2004 International Conference on Image Processing, 2004. ICIP '04.

Proceedings 2003 International Conference on Image Processing (Cat. No.03CH37429)

Proceedings. International Conference on Image Processing

Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205)

Proceedings 2000 International Conference on Image Processing (Cat. No.00CH37101)

Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348)

Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269)

Proceedings of International Conference on Image Processing

Proceedings of 3rd IEEE International Conference on Image Processing

Proceedings., International Conference on Image Processing

Proceedings of 1st International Conference on Image Processing

Real-Time Automatic Detection of Violent-Acts by Low-Level Colour Visual Cues

Content Provider	IEEE Xplore Digital Library
Author	Mecocci, A. Micheli, F.
Copyright Year	2007
Description	Author affiliation: Siena Univ., Rome (Mecocci, A.; Micheli, F.)
Abstract	Automatic recognition of human activities is important for the development of next generation video-surveillance systems. In this paper we address the specific problem of automatically detecting violent interpersonal acts in monocular colour video streams. Unlikely previous approaches, only little knowledge is assumed about the acquisition setup and about the content of the acquired scenes. So the proposed approach is suitable in a wide range of practical cases. Reliability and general-purpose applicability is achieved by analysing low-level features (like the spatial-temporal behaviour of coloured stains), and by measuring some warping and motion parameters. In this way it is not necessary to extract accurate target silhouettes, that is a critical task because of occlusions and overcrowding that are typical during interpersonal contacts. A suitable index called maximum warping energy (MWE) has been defined to describe the localized spatial-temporal complexity of colour conformations. Our experiments show that aggressive activities give significantly higher MWE values if compared with safe actions like: walking, running, embracing or handshaking. So it is possible to distinguish violent acts from normal behaviours even in presence of many people and crowded environments. Homography is used to improve robustness by verifying the real targets nearness. False interactions because of perspective-induced occlusions are discarded.
File Size	311746
File Format	PDF
ISBN	9781424414369
ISSN	15224880
DOI	10.1109/ICIP.2007.4378962
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humans Streaming media Layout Robustness Motion measurement Motion analysis Legged locomotion Image processing Image recognition Real time systems Violent Acts Recognition Image Processing
Content Type	Text
Resource Type	Article

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