What question did this study set out to answer?

This research aims to develop a system for labeling the outlines of moving human bodies based on motion information.

April 1, 1995

First Sight: A human body outline labeling system

Key Points

This research aims to develop a system for labeling the outlines of moving human bodies based on motion information.
Developed First Sight system for extracting human body outlines from image sequences.
Utilized a novel human body model to interpret outlines and generate labeled stick figures for each frame.
Tested the technique on unedited image sequences, including those with self-occlusions.
The outline extraction technique successfully handled difficulties like self-occlusions and incomplete boundaries.
The labeled stick figures provide accurate representations of human body postures across frames.

Abstract

First Sight, a vision system in labeling the outline of a moving human body, is proposed in this paper. The emphasis of First Sight is on the analysis of motion information gathered solely from the outline of a moving human object. Two main processes are implemented in First Sight. The first process uses a novel technique to extract the outline of a moving human body from an image sequence. The second process, which employs a new human body model, interprets the outline and produces a labeled two-dimensional human body stick figure for each frame of the image sequence. Extensive knowledge of the structure, shape, and posture of the human body is used in the model. The experimental results of applying the technique on unedited image sequences with self-occlusions and missing boundary lines are encouraging.>

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