Welcome! Computer vision resources for CS education web site…

Welcome!

Computer vision resources for CS education

web site…

Welcome!

Perspectives on vision in the CS curriculum

Opportunities for hands-on interaction

Bruce Maxwell, Colby College

Lisa Meeden, Swarthmore College

David Touretzky, Carnegie Mellon University

Bob Avanzato, Penn State Abington

IPRE's Scribbler and Myro and Fluke

The Tekkotsu vision and robotics framework

OpenCV and the iRobot Create

Doug Blank, Bryn Mawr College

Zach Dodds, Harvey Mudd College

7 - 8:30

8:45 - 10

3d visual ambiguityMany 3d worlds could give rise to a single 2d image.

Event-driven execution• Events are things that happen to a graphical application

• Button Presses • Text Entries• Key Presses, Key Releases, Key Events

• Each object receiving an event notifies its “Listener”

• The Listener then handles the event appropriately

// Here's how keyboard events are handled... public void keyPressed(KeyEvent evt) { switch(evt.getKeyChar()) { case ' ': message = "You pressed a space..."; currentColor = Color.white; break;

context?

Event-driven execution• Events are things that happen to a graphical application

• Button Presses • Text Entries• Key Presses, Key Releases, Key Events

• Each object receiving an event notifies its “Listener”

• The Listener then handles the event appropriately

// Here's how keyboard events are handled... public void keyPressed(KeyEvent evt) { switch(evt.getKeyChar()) { case STOP: message = "You stopped!..."; currentColor = Color.white; break;

context!

Getting Set with OpenCV

Vision as computation

Vision as resource: OpenCV

multiplatform

large user community

fast C++ library from Intel

open source

multiplatform?

daunting

C++ researchware

+

-

Vision as resource: OpenCV

multiplatform

large user community

fast C++ library from Intel

open source

multiplatform?

daunting

C++ researchware

+

-

Why?

vision ~ no ceiling

Why?

vision ~ ceiling

Why?

vision as accessible resource

How?

Getting set with OpenCV

How?

Getting Set with OpenCV

How?

Getting Set with OpenCV

Visualization bandwidth…

?!?

?!?

Enabling students' visions

MGC work

OpenCV via

• "file sharing"

• a socket server

• language bindings

QuickTime™ and aCinepak decompressor

are needed to see this picture.

Enabling students' visions

iRobot Create

OpenCV via

• "file sharing"

• a socket server

• language bindings

QuickTime™ and a decompressor

are needed to see this picture.

Try it!

Set

Create control

Road segmentation

no pressurebut results will come

back to CS 154…

QuickTime™ and aYUV420 codec decompressor

are needed to see this picture.

web site…

Feedback

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Password: sigcse08