webcam

Hi there,

I am looking for a webcam (or low-cost camera) with good lens (low-distortion) and wide filed of view (at least 75 degrees). A resolution of 640 x 480 is enough, although a bit higher would be better. Any suggestion?

It seems to me some very cheap devices are not used to their full potential in robotics. Currently I am focused on optical mice. There are tutorials on the web and even an easy to use PS2 library for Arduino but I never see a robot on LMR using them.

I am currently experimenting with a cheap PS2 optical mouse as a high resolution quadrature encoder. With a resolution of 800 DPI, I can get an accuracy of 3600 counts per revolution (1/10th of a degree) by having the sensor mounted near the outer edge of a disc about 40mm in diameter.

Hi,

Lately, I've been creating computer vision applications for my robot TheBox. 

I've created a color tracker, a motion detector and a wall avoider application.

But now I ran out of ideas. 

So, can you give me some cool ideas to make other applications? :)

Hi There,

We need to know the absolute simplest way to do blob tracking using a windows pc. 

We are building a robot that seeks and collects tennis balls. Everything is working except for the ball recognition. All the PC software has to do is get the x,y coordinates of a yellow blob, and then send the appropriate signal to the COM port (we have 4 values that are sent to the comport to be interpreted by a pic micro and translated into "move forward" "move backward" "turn left" "turn right")

I was just wondering if anyone had experience with basic blob tracking on a windows system.

Robotics Studio/Visual programming language has a blob tracker service, but I haven't found any info on how to implement it..

Does anyone have any suggestions?

Hi, I've been thinking on building a night and day vision camera. I think its very straight forward, but I just wanted to have a look at your personal opinions before going any furtherer.

The idea is very simple: As you probably all know, digital cameras are able to "see" the visible spectrum, but also, some frequencies higher (I think), and lower. You can try this by pointing with a remote control to your camera, you will see a white light.

Hi everyone,

I'm quite new in all of this, but i want to build a robot able to transmit video, and possibly sound. I've got a common webcam and I want to make it wire less, but I don't know how to do it.

I would apreciate any help from you lot.

Thanks.