Northern Lights by Göran Strand
On Thursday 27 of February 2014 Göran Strand captured a fantastic aurora in Östersund with lots of red colors.
I took the opportunity to make my biggest panoramic image so far. The image below consists of 23 separate images with a 360 degree coverage from the horizon and all the way up to zenith.
The original image has a resolution of 25,000 x 14,000 pixels at 300 dpi and with a 16 bit color depth.
Göran Strand: http://www.astrofotografen.se/
#aurora #astronomy #stargaze #nightsky
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Glassbrain flythrough HighEnd Realtime-Visualization of Brains
This is an anatomically-realistic 3D brain visualization depicting real-time source-localized activity (power and “effective” connectivity) from EEG (electroencephalographic) signals. Each color represents source power and connectivity in a different frequency band (theta, alpha, beta, gamma) and the golden lines are white matter anatomical fiber tracts. Estimated information transfer between brain regions is visualized as pulses of light flowing along the fiber tracts connecting the regions.
The modeling pipeline includes MRI (Magnetic Resonance Imaging) brain scanning to generate a high-resolution 3D model of an individual’s brain, skull, and scalp tissue, DTI (Diffusion Tensor Imaging) for reconstructing white matter tracts, and BCILAB / SIFT to remove artifacts and statistically reconstruct the locations and dynamics (amplitude and multivariate Granger-causal interactions) of multiple sources of activity inside the brain from signals measured at electrodes on the scalp (in this demo, a 64-channel “wet” mobile system by Cognionics / BrainVision.
The final visualization is done in Unity3D and allows the user to fly around and through the brain with a gamepad while seeing real-time live brain activity from someone wearing an EEG cap.
Team: - Gazzaley Lab / Neuroscape lab, UCSF: Adam Gazzaley, Roger Anguera, Rajat Jain, David Ziegler, Jyoti Mishra, John Fesenko, Morgan Hough - Swartz Center for Computational Neuroscience, UCSD: Tim Mullen & Christian Kothe - Matt Omernick, Oleg Konings
Support: Nvidia - Cognionics
Neuroscape Lab: http://neuroscapelab.com/projects/glass-brain/
#glassbrain #3Dbrainvisualization #EEG #MRI #Science
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