-o is not used to indicate which frames to convert to OpenCV Mats and requires an integer argument should read -o is now used to indicate which frames to convert to OpenCV Mats and requires an integer argument
On Thursday, September 26, 2013 6:46:39 AM UTC-5, Matthew Witherwax wrote: > > Mike, > > Here is the cleaned up one. Here are the differences: > -o is not used to indicate which frames to convert to OpenCV Mats and > requires an integer argument > -o 1 would convert every frame > -o 2 would convert every 2nd or ever other, etc > default is 1 > > -p is similar to -o in the original framegrabber. However, it doesn't > actually output anything. It just controls if any frames are to be > converted. > > Captured count and processed count variables have been renamed and moved > to the top. > > Formatting has been corrected. > > > Testing of your procedure to follow. > > > On Wed, Sep 25, 2013 at 12:55 PM, Matthew Witherwax wrote: > >> Mike, >> >> Looking over the code in you document, I noticed some formatting was off >> and I needed to clean up the way I handled processing the subset of the >> frames. I am cleaning things up and will get you a new version shortly. >> >> >> On Tue, Sep 24, 2013 at 8:53 PM, Michael Darling wrote: >> >>> Thanks! You're absolutely welcome to distribute it freely. I don't have >>> my own website so that's a great way to share the information. >>> >>> Luckily I have most of my CV algorithm done. I have a bit of cleaning up >>> to do but most of my work is implementing hardware from here on out. >>> >>> Thanks again SO much for your help! I look forward to getting feedback >>> on the write up. >>> >>> -Mike >>> >>> >>> On Tuesday, September 24, 2013, Matthew Witherwax wrote: >>> >>>> Mike, >>>> >>>> Great write up. When I have some free time, I will replicate your >>>> steps on my BBB running Arch Linux. Not sure if you have a personal >>>> website, but would you mind me posting this to my blog once it makes it >>>> out >>>> of draft? >>>> >>>> I look forward to seeing your aircraft in action; on to the CV problems! >>>> >>>> >>>> On Tue, Sep 24, 2013 at 7:39 PM, Michael Darling wrote: >>>> >>>> Hi Richard, >>>> >>>> Here is a summary of what I ended up doing to get 30 fps out of the >>>> BBB. You are right -- it simply came down to taking advantage of NEON >>>> hardware acceleration. My little "How-To" guide might be a bit verbose, >>>> but you can skip all of the background information and skip right to the >>>> steps I took if you like. However reading some of the background >>>> information might give you some more insight into what I have already >>>> tried >>>> with the PS3 Eye (along with many others like Matthew) and what we have >>>> learned. Its also chock-full of great references on the topic. >>>> >>>> Right now, I am considering this a DRAFT as I have not gone back >>>> through to make sure that all the commands I pasted will work verbatim. If >>>> you're pretty comfortable in Linux, I'm sure this is enough for you to >>>> replicate what I have done. >>>> >>>> I wrote it up in LaTeX, as that was the easiest for me, so here it is >>>> in both PDF and HTML format. >>>> >>>> Best of luck. If you end up taking a look at this, please let me know >>>> if you have any comments or suggestions for improvement. >>>> >>>> -Mike >>>> >>>> >>>> On Tue, Sep 24, 2013 at 3:52 PM, rh_ wrote: >>>> >>>> On Tue, 24 Sep 2013 13:41:14 -0500 >>>> Matthew Witherwax >>>> wrote: >>>> >>>> > Richard, >>>> > >>>> > Please see the post >>>> > http://blog.lemoneerlabs.com/post/BBB-webcamsconcerning the PS3Eye, >>>> > C920, and frame rates. I believe it will answer >>>> > your questions. >>>> >>>> Ok it seems that OpenCV is the limiter. But the camera is significant. >>>> I like the idea of using a USB camera due to low cost. But I dont like >>>> it due to limited features. However the limitations of cheap USB might >>>> be overcome by using two cameras. Although only to a small degree. >>>> Probably need a camera cape to get at the camera features. And a >>>> feature-full camera. I am thinking of repurposing a video camera >>>> as most have lots of features but are fairly cheap. >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/beagleboard/G5Xs2JuwD_4/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/beagleboard/G5Xs2JuwD_4/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "BeagleBoard" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/beagleboard/G5Xs2JuwD_4/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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