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MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

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Page 1: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Visual Detection SystemsTomaso Poggio

Page 2: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

• Developing a general paradigm for object detection in cluttered scenes

• Applications: target detection, visual data base search...• Trainable system…for “any” desired object class

The Problem

Object Categorization/Detection

Page 3: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

More on the Object Classification System

. . .

. . .

newnew imageimage

PedestrianPedestrian

Non-Non-pedestrianpedestrian

Trainable Trainable SystemSystem

……....

Page 4: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Learning Object Detection: Car Detection - Training

Page 5: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Learning Object Detection: Car Detection - Results

Page 6: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Trainable System for Object Detection: Face Detection - Results

Training Database1000+ Real, 3000+ VIRTUAL50,0000+ Non-Face Pattern Sung, Poggio 1995

Page 7: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Trainable System for Object Detection: Eye Detection - Results

Page 8: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Trainable System for Object Detection: Pedestrian Detection - Training

Page 9: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Trainable System for Object Detection: Pedestrian Detection - Results

Page 10: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

System Installed in Experimental Mercedes

A fast version, integrated with a real-time obstacle

detection system

MPEG

QuickTime™ and a decompressor

are needed to see this picture.

QuickTime™ and a decompressor

are needed to see this picture.

Page 11: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

QuickTime™ and a decompressor

are needed to see this picture.

QuickTime™ and a decompressor

are needed to see this picture.

Page 12: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Results

The system is capable of detecting people whenthey are running or walking. It is also able to detectpeople when all their body parts are not detectable orwhen they are slightly rotated in depth.

Page 13: MIT Artificial Intelligence Laboratory — Research Directions Visual Detection Systems Tomaso Poggio

MIT Artificial Intelligence Laboratory — Research Directions

Results

The system is capable of detecting partially occluded people.