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Book ChapterDOI

A novel approach for human silhouette extraction from video data

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TLDR
In this paper, the authors proposed a method for efficient extraction of human silhouette from video sequences using background elimination, edge detection, region filling and noise removal using morphological operations to estimate the silhouette of an image.
Abstract
In this paper we propose a method for efficient extraction of human silhouette from video sequences. The proposed approach includes background elimination, edge detection, region filling and noise removal using morphological operations to estimate the silhouette of an image. To the best of our knowledge our proposed approach for silhouette extraction involving background elimination and edge detection is first of its kind. We have applied our proposed technique on Weizmann (standard) dataset and compared the results with the most recent related research work. The comparison results in terms of statistical measures like precision, recall and F-measure clearly show the supremacy of our method and thus justify its novelty.

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References
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Journal ArticleDOI

W/sup 4/: real-time surveillance of people and their activities

TL;DR: W/sup 4/ employs a combination of shape analysis and tracking to locate people and their parts and to create models of people's appearance so that they can be tracked through interactions such as occlusions.
Proceedings ArticleDOI

Actions as space-time shapes

TL;DR: The method is fast, does not require video alignment and is applicable in many scenarios where the background is known, and the robustness of the method is demonstrated to partial occlusions, non-rigid deformations, significant changes in scale and viewpoint, high irregularities in the performance of an action and low quality video.
Journal ArticleDOI

Silhouette analysis-based gait recognition for human identification

TL;DR: A simple but efficient gait recognition algorithm using spatial-temporal silhouette analysis is proposed that implicitly captures the structural and transitional characteristics of gait.
Proceedings ArticleDOI

Silhouette-based human identification from body shape and gait

TL;DR: This baseline recognition method provides a lower bound against which to evaluate more complicated procedures and is evaluated on four databases with varying viewing angles, background conditions, walking styles and pixels on target.