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Message boards : News : [wildlife] new species - blue winged teal courtesy of Ducks Unlimited

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Travis Desell
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Message 5566 - Posted: 8 Jul 2015, 0:51:54 UTC
Last modified: 8 Jul 2015, 1:04:35 UTC

I'm really happy to announce a new partnership for Wildlife@Home. We've gotten a lot of video in a collaboration with Ducks Unlimited of Blue Winged Teal, and are really excited to add this new species to our project! You can read about how we've gathered the video and what we'll be doing with it in a writeup by the two undergraduate research assistants working on the project, John and Nickolas, which can be found here. We're busily converting the video they gave us for streaming, so more will be continually added. Please check out the blue winged teal on our video selection page!

Michal Kindura
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Message 5585 - Posted: 9 Jul 2015, 15:20:37 UTC

Please add new filters to review_videos.php page. I can't browse the new video collections (2015 year, Coteau Ranch, Blue Winged Teal).

Search by ID works. :)

Travis Desell
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Message 5586 - Posted: 9 Jul 2015, 17:19:17 UTC - in response to Message 5585.

Please add new filters to review_videos.php page. I can't browse the new video collections (2015 year, Coteau Ranch, Blue Winged Teal).

Search by ID works. :)


Will do!

Travis Desell
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Message 5589 - Posted: 9 Jul 2015, 17:23:33 UTC - in response to Message 5586.

Should be able to search by 2014, 2015, Blue Winged Teal and Coteau Ranch in the review videos interface now.

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Message 5590 - Posted: 9 Jul 2015, 18:53:17 UTC

I have another suggestion about Wildlife@home videoplayer and Blue Winged Teal. I noticed that the new bird species use different encoding to OGV. Files are smaller, but the quality is worse.

The same screen, first in OGV and second MP4:


Sometimes I can't recognize the bird in the nest. The more movement means worse quality. Windy weather means completely blurred video. So, could you set the default video file to mp4? I saw, that html5 player has both links, but default (in my computer with Ubuntu&Chromium) is ogv. I tried change it in chrome console localy in my computer, but it doesn't work.

And I looked also at grouses vids and i compare both files. The described thing is even worse, because video sizes is similar or identical and quality in ogv files is also bad.

BTW, I sent this to your Hangout yesterday, Travis, but your account looks like broken. The last Google update Google Talk -> Hangouts was poor.

Travis Desell
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Message 5591 - Posted: 9 Jul 2015, 20:19:00 UTC - in response to Message 5590.
Last modified: 9 Jul 2015, 20:21:22 UTC

I have another suggestion about Wildlife@home videoplayer and Blue Winged Teal. I noticed that the new bird species use different encoding to OGV. Files are smaller, but the quality is worse.

The same screen, first in OGV and second MP4:


Sometimes I can't recognize the bird in the nest. The more movement means worse quality. Windy weather means completely blurred video. So, could you set the default video file to mp4? I saw, that html5 player has both links, but default (in my computer with Ubuntu&Chromium) is ogv. I tried change it in chrome console localy in my computer, but it doesn't work.

And I looked also at grouses vids and i compare both files. The described thing is even worse, because video sizes is similar or identical and quality in ogv files is also bad.

BTW, I sent this to your Hangout yesterday, Travis, but your account looks like broken. The last Google update Google Talk -> Hangouts was poor.


Thanks for this! I'm going to pass this on to Kyle who updated the conversion script for the new duck video. Hopefully have a fix soon.

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Message 5603 - Posted: 10 Jul 2015, 23:54:47 UTC - in response to Message 5566.
Last modified: 10 Jul 2015, 23:58:36 UTC

One last plea to emphasize seriousness.
We absolutely need the quality of the video given to DU that they put on their website and Youtube account.
It is VERY important that we be given the same (or similar) quality Video to allow us to help you do the science.
It is impossible for us to help without better videos.

Here is an example of compression that is useable.
https://www.youtube.com/watch?v=j_UYgNLAlG8

Please & Thanks

Travis Desell
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Message 5604 - Posted: 11 Jul 2015, 0:07:52 UTC - in response to Message 5603.

One last plea to emphasize seriousness.
We absolutely need the quality of the video given to DU that they put on their website and Youtube account.
It is VERY important that we be given the same (or similar) quality Video to allow us to help you do the science.
It is impossible for us to help without better videos.

Here is an example of compression that is useable.
https://www.youtube.com/watch?v=j_UYgNLAlG8

Please & Thanks


We're definitely working on this and it's a top priority. We're going to reconvert the videos we've already converted for the DU project and make sure they're of good quality.

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Message 5606 - Posted: 11 Jul 2015, 1:20:53 UTC - in response to Message 5604.
Last modified: 11 Jul 2015, 2:18:51 UTC

OK
I think I see something here.

The "bad", terrible, pixelated, files are 352 x 240 SCALED to 387 x 263
... that is false scaling and results in a useless video.
When you take a video segment that has been converted poorly (.ovg), then enlarge it, that causes excess pixilation and makes it un-viewable. On our viewing page these small, poorly converted files are being sized up to 550 x 375. !!!
EXAMPLE: CH00_20150524_051941MN.ovg

whereas the "good" ones are 704 x 480 and NOT SCALED.
EXAMPLE: CH00_20150521_190936MN.ovg

Unfortunately by the time the "good" files get displayed on the page most critical TO US... they have been SCALED DOWN to 550 x 375.

If we could get the 704 x 480 rip size, and m4a quality, UNSCALED, on our viewing page....
Then All Would Be Good In The Universe.

The "good" files get sized down to such a degree that they are almost impossible to see in the Viewing / Event marking pages.
(I'm using Firefox / mozilla)
They don't show a proper size until you go to the review page.

This is the crux of the issue we are seeing, (or not seeing.)

The 352 x 249 .ovg files are mostly not useable. Please consider changing them for any new projects.
The viewing size for videos on the Event Marking page also needs to be bigger to allow us to accurately do our part of the Science

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Message 5608 - Posted: 11 Jul 2015, 2:26:18 UTC - in response to Message 5606.

Ooops

said .ovg = ment .0GV
said .m4a = ment .mp4
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Profile JumpinJohnny
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Message 5610 - Posted: 11 Jul 2015, 17:12:40 UTC

Double Oooops

My apologies. I don't know what I'm talking about.
I have seen video now that is useable in OGV small size and THAT is apparently not an issue or a cause.
False alarm. Sorry. If I could delete or edit my posts here, I would.

Carry On.

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Message 5617 - Posted: 12 Jul 2015, 18:23:08 UTC - in response to Message 5606.
Last modified: 12 Jul 2015, 18:32:31 UTC

The "bad", terrible, pixelated, files are 352 x 240 SCALED to 387 x 263
... that is false scaling and results in a useless video.

I'm not a pro but I know a bit about video converting because I do it myself sometimes.
I've never converted videos into resolutions with odd numbers, simply because it's mostly unusual.
Also, it highly depends on the application and the converting algorithm what result you get, so your assume may be correct, JumpinJohnny.
There are countless converting programs out there, some good, some bad. I wonder what you are using here, Travis.
Another point is the codec.
As far as I know mp4/h.264 is very good in quality and file size. Don't know about ogv though, never used that (yet), I may have to look into that.
Wonder anyway why the field cameras have such a small resolution. There are way better cameras out there which make better videos and they are even not that expensive anymore... ;-)
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Michal Kindura
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Message 5624 - Posted: 13 Jul 2015, 22:55:19 UTC

"Blue Winged Teal" wrote:
No videos are currently available for the specified species and location. You may want to adjust your settings for video lengths.

Planned outage?


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Message boards : News : [wildlife] new species - blue winged teal courtesy of Ducks Unlimited