Measuring distance with cameria

Even in the eighties, driver practice won competitions. - Brian Maher [more]

		Chief Delphi > FIRST > General Forum
Measuring distance with cameria

Thread Tools

Rate Thread

Display Modes

05-01-2009, 01:04

geeknerd99 geeknerd99 is offline

Fire Hazard

AKA: Daniel Lin

FRC #0401 (Hokie Guard)

Team Role: Programmer

Join Date: Oct 2004

Rookie Year: 2005

Location: Blacksburg, VA

Posts: 276

Re: Measuring distance with cameria

Quote:

Originally Posted by Adam Y.

No. It's surprisingly much more complicated than that. The main reason is that in order to do that you have to account for the distortions caused by the camera. I actually performed a calibration for my optics project using a 200.00 dollar camera. The distortion for some areas of the image was as high as 20 pixels.

Photographers and camera geeks make a huge deal about lens distortions.

Why not simply use trig and a pan-tilt servo deal so you can read the elevation to the target?

__________________

« Previous Thread | Portal | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes	Rate This Thread
Switch to Linear Mode Hybrid Mode Switch to Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

Forum Jump

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
White Paper Discuss: Measuring Distance with Analog Potentiometers	Daniel	Extra Discussion	4	26-11-2008 13:52
Help with Angles and distance	charlie1218	Programming	5	13-12-2007 18:54
Measuring Muzzle Velocity	Team 614	Rules/Strategy	8	28-01-2006 14:53
Measuring Motor Characteristics	DonRotolo	Motors	1	08-01-2006 19:39
SHU measuring stick	sanddrag	Rules/Strategy	13	08-01-2003 21:23

All times are GMT -5. The time now is 09:20.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.