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[ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/feed.php on line 173: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823) [phpBB Debug] PHP Warning: in file [ROOT]/feed.php on line 174: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823) Parallella CommunitySupercomputing for Everyone2016-05-11T07:42:37+00:00https://parallella.org/forums/feed.php?f=342016-05-11T07:42:37+00:002016-05-11T07:42:37+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17524#p17524<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Wed May 11, 2016 7:42 am
]]>2016-05-09T12:56:12+00:002016-05-09T12:56:12+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17501#p17501<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Mon May 09, 2016 12:56 pm
]]>2016-05-09T10:27:52+00:002016-05-09T10:27:52+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17500#p17500<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by olajep — Mon May 09, 2016 10:27 am
]]>2016-05-06T18:50:16+00:002016-05-06T18:50:16+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17479#p17479<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Fri May 06, 2016 6:50 pm
]]>2016-05-06T18:18:43+00:002016-05-06T18:18:43+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17478#p17478<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by aolofsson — Fri May 06, 2016 6:18 pm
]]>2016-05-06T15:59:45+00:002016-05-06T15:59:45+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17476#p17476<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Fri May 06, 2016 3:59 pm
]]>2016-05-06T15:24:52+00:002016-05-06T15:24:52+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17475#p17475<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by aolofsson — Fri May 06, 2016 3:24 pm
]]>2016-05-06T02:45:57+00:002016-05-06T02:45:57+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17471#p17471<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Fri May 06, 2016 2:45 am
]]>2016-05-05T21:42:28+00:002016-05-05T21:42:28+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17470#p17470<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by aolofsson — Thu May 05, 2016 9:42 pm
]]>2016-05-05T19:28:28+00:002016-05-05T19:28:28+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17468#p17468<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by leonfg — Thu May 05, 2016 7:28 pm
]]>2016-05-05T13:55:05+00:002016-05-05T13:55:05+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17465#p17465<![CDATA[Image and Video Processing • Re: Face detection on Parallella]]>Statistics: Posted by aolofsson — Thu May 05, 2016 1:55 pm
]]>2016-05-09T12:58:30+00:002016-05-05T06:07:30+00:00https://parallella.org/forums/viewtopic.php?t=3671&p=17462#p17462<![CDATA[Image and Video Processing • Face detection on Parallella]]>https://github.com/leonfg/face_detect. ========================================================================================================================== I modified the old face detection project(http://www.adapteva.com/white-papers/fa ... -processor) to make it run on parallella and current eSDK. The program can run correctly but still have some problems, please have a look at the code and help me to fix these. Code addr: https://github.com/leonfg/face_detect
Remaining problems: Working principle: resizing the input image into several different sizes, then dividing the resized images into many subimages with a given size window, the cascade classifier will do feature matching calculation to distinguish if a subimage is a human face. We use Epiphany cores to do the feature matching work parallelly to achieve speedup. There are some problems in current code: 1. Core number: When use most of the cores like 16 or 15, the device program always hang. I have to use less cores to prevent this. 2. Number of loop iterations: There are two main "for" loop sequences in the device program, one is dmacopy the subimages from shared memory, the other is classifier calculation. When there are too many dmacopy loop iterations in core the program will hang too. So I have to use more cores to reduce the loop iterations in each core. The hang situation will happen randomly, but the workflow and logic are definitely correct, I can not figure out the reason of the problem, so I have to use nether too less nor too more cores to balance the core number and the loop iterations, 4~12 cores will get successful execution most time. t1.jpg t2.jpg
Statistics: Posted by leonfg — Thu May 05, 2016 6:07 am
]]>2016-01-24T21:42:40+00:002016-01-24T21:42:40+00:00https://parallella.org/forums/viewtopic.php?t=3412&p=16662#p16662<![CDATA[Image and Video Processing • Re: Error Prediction between 2 images]]> I had an issue installing OpenCV on the previous image. Apt-get gave me an error but the aptitude package worked. One of the installed libraries needed to be down graded.
Statistics: Posted by nickoppen — Sun Jan 24, 2016 9:42 pm
]]>2016-01-24T17:30:54+00:002016-01-24T17:30:54+00:00https://parallella.org/forums/viewtopic.php?t=3412&p=16661#p16661<![CDATA[Image and Video Processing • Re: Error Prediction between 2 images]]> In Video, we have a succesive frames (it's the images, image 1, 2,3 ...), so I want to take 2 images, like Image 1 and 2, and calculate the difference between them, to get a prediction error, you can understand what I need, if you see this link (page Number 11: http://www.ntua.gr/best/ac13/motion_estimation.pdf)
thanks.
Statistics: Posted by Ouadrhiri — Sun Jan 24, 2016 5:30 pm
]]>2016-01-24T16:58:54+00:002016-01-24T16:58:54+00:00https://parallella.org/forums/viewtopic.php?t=3412&p=16660#p16660<![CDATA[Image and Video Processing • Re: Error Prediction between 2 images]]>Statistics: Posted by sebraa — Sun Jan 24, 2016 4:58 pm
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