Luminance HDR / Qtpfsgui
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OpenCourseWare All Grown Up: Hal Abelson at the RIT GCCIS Dean's Lecture Series
Protests demonstrate growing demand for open access to research
Created by Adrienne Yancey for opensource.com
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Created by Adrienne Yancey for opensource.com
Place Polonaise Drive in Grimsby, Ontario provides a clear view Northward across Lake Ontario (and yes, that is a faint Toronto on the horizon on the left of the frame). As sunny and warm as it may appear, almost tropical, this was taken on May 8 and the current lake water temperature was 6.2C/43.6F. Not very inviting. A fire hydrant was under repair and covered with a big bundle of orange construction fencing. But the colours worked for me, particularly the orange-blue combo. Now to wait a few more weeks for a more civilized water temperature. - JW
Date Taken: 2022-05-08
(c) Copyright 2021 JW Vraets
Tech Details:
Taken using a hand-held Nikon D800 fitted with an AF-S Nikkor 24-120mm VR 1:4.0 lense set to 75mm, ISO200, Daylight WB, Matrix metering, Shutter Priority Mode, f/10.0, 1/500 sec. PP in free Open Source RAWTherapee from Nikon RAW/NEF source file: set final image size to be 9000px wide, level the horizon, do a little vignetting correction, very slightly brighten overall by setting Exposure Compensation to EV+0.19, apply Tone Mapping at default levels, apply Dynamic Rance Compression at Default levels, use Shadows/Highlights to recover highlight detail, slightly boost Contrast and Chromaticity, slightly boost Vibrance, set colour balance by sampling a white area of one of the signs, apply a little noise reduction, sharpen (edges only), save. PP in free Open Source GIMP: use a Non-Destructive Dodge/Burn layer to slightly brighten the ‘whites’ in the signs, reduce a residual magenta colour cast by using the Colour Balance tool, use the Hue-Saturation-Brightness to very slightly boost the overall saturation, sharpen, save, scale image to 6000 px wide, sharpen, save, add fine black-and-white frame, add bar and text on left, save, scale image to 3000 px wide for posting online, sharpen very slightly, save.
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Bridging the Boxes: Hacker Matchmaking in Upstate New York, The Open Source Way
Teaching open source: Team operating principles that can be used on any project
Created by Islam Elsedoudi for opensource.com
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Created by Islam Elsedoudi for opensource.com
Revisión del downloading MP3 tras las declaraciones de Bill Gates sobre Open Source, licencias CC y comunismo. Lo malo es que no recuerdo donde la encontré.
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Social production as a new source of economic value creation
Empowering Natural Leaders in 'Facebook Generation' Ways
BetterMeans: a new app for running your organization the open source way
What does Google's management change say about the open source way?
Leadership in open source communities
I'll have the oolong, with a splash of open source
How is your organization faring in the war of control vs. freedom?
Busting bureaucracy with radical management
A distributed social workforce drives profit and performance
Created by Libby Levi for opensource.com
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Introducing hands-on computing in secondary education
Students in Los Altos delight in using Inkscape drawing program
Created by Libby Levi for opensource.com
Do you see the kids on top of the bridge?
It took a bit of patiences to get a shot with MOST of the visitors out of frame.
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Five sites for open source healthcare
Todd Park, CTO of Health and Human Services, on improving healthcare with open data
Can collaboration heal rising medical costs?
Harnessing the power of data to improve health
Open health with the quantified self
Created by Islam Elsedoudi for opensource.com
After buying a batch of filters from ebay. I found the 85A + 85 filters (combined) give an interesting effect. So, I took a walk around the block shooting various things.
The white balance was adjust in-camera when the photo was taken. I also used bracketed photos and HDR to increase the dynamic range.
Notice the hill in the background still has green grass.
Taken with a 650nm IR filter. using a full spectrum modified NEX-5N.
Post production:
3x exposure bracketed images were combined to remove noise and increase the dynamic range. Photomatrix software was used for this. (Highly recommend this product.)
For "Golden IR" effect. Simply swap the red and blue channels in Photoshop.
No masking or per-pixel manipulation was done.
Technically not infrared, but a different spectrum filter.
The purple foliage comes from using a full spectrum converted camera with an 85A filter. NO color channel swapping or photoshop effects.
What makes this shot unusual (besides the filter) is that the fog is coming from the opposite direction from what it usually does.
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Four reasons I like developing with open source code
Created by Christina Hardison for opensource.com