Author Topic: AVRcam vs Blackfin vs CMUcam  (Read 13979 times)

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Offline pomprockerTopic starter

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AVRcam vs Blackfin vs CMUcam
« on: August 23, 2008, 11:28:22 PM »
Can anyone with any expertise in robot vision help me do some comparison shopping of these three cameras?

Offline Iron Man

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #1 on: August 25, 2008, 10:50:04 AM »
CMUcam has a lot of pre written software for color tracking and is definitely a small size image capture.

But it depends on the purpose you're using the camera for....

Offline pomprockerTopic starter

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #2 on: August 25, 2008, 12:03:17 PM »
CMUcam has a lot of pre written software for color tracking and is definitely a small size image capture.

But it depends on the purpose you're using the camera for....

hobby robot vision

Offline Admin

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #3 on: August 25, 2008, 02:13:34 PM »

Offline pomprockerTopic starter

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #4 on: August 25, 2008, 02:31:52 PM »
Yeah I had already read that, but i'm looking for more of a fact/specs based comparison than an opinion based comparison, so that I may make my own decision
« Last Edit: August 25, 2008, 02:33:24 PM by pomprocker »

Offline Admin

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #5 on: August 25, 2008, 02:34:21 PM »
Ouch! :-X

What specific facts are you looking for?

Offline pomprockerTopic starter

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #6 on: August 25, 2008, 02:56:50 PM »
haha no offense admin, i value your opinion. for example i've read a book on kitchen equipment before (i like to cook), and instead of telling you what to buy, they tell you what to look for in a piece of equipment.

What features to look for in a hobby robot camera would be good place to start.

Pros and cons of each camera would be helpful

etc, etc..

If I'm going to be dropping $100-$300 on a camera, I want to know I picked the right one for me!

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #7 on: August 25, 2008, 03:24:36 PM »
What algorithms do you plan to use?

My advice is the same for all robot parts - make sure documentation and customer support are high. A support community can help you when you're stuck.

Make sure voltage and current requirements are ok for you.

You also want the ability to upload *processed* images from the camera onto your PC for easy debugging.

The maximum frame rate is also important. For example, you need about 40 frames/second for a robot to see a ball being thrown (to catch it and throw it back). For my ERP line following, about 5 frames per second is good enough . . .

The lens focal length, view angle, etc is dependent on what your robot needs to see. Often you can buy multiple lenses.

And of course, the ability to easily mount the camera on your robot (the original CMUcam is a pain to mount).

Offline pomprockerTopic starter

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Re: AVRcam vs Blackfin vs CMUcam
« Reply #8 on: August 25, 2008, 03:36:06 PM »
mostly motion planning and object recognition would be excellent.

if I could make it catch a ball and throw it back, that would be amazing!!

 


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