The latest works 54

since January 31, 2014



"Vein illusion"

Veins sometimes looks bluish, but they are actually not! They are gray at best.

Copyright Akiyoshi Kitaoka 2014 (April 23)



similar illusion

The rightmost square appears to be bluish, though it is gray.

Copyright Akiyoshi Kitaoka 2014 (April 23)


"Vein illusion: Hand"

Veins sometimes looks bluish, but they are actually not! They are orange of low chroma.

Copyright Akiyoshi Kitaoka 2014 (April 23)




Images for confirmation




"Vein illusion: Arms"

Veins sometimes looks bluish, but they are actually not! They are orange of low chroma.

Copyright Akiyoshi Kitaoka 2014 (April 24)



"Vein illusion: Arms 2"

Veins sometimes looks bluish, but they are actually not! They are yellow or orange of low chroma.

Copyright Akiyoshi Kitaoka 2014 (April 24)


"Vein illusion: Back of the hands"

Veins sometimes looks bluish, but they are actually not! They are almost gray or yellow of low chroma.

Copyright Akiyoshi Kitaoka 2014 (April 24)



"Vein illusion: a basic image"

Nearly gray regions appear to be bluish.

Copyright Akiyoshi Kitaoka 2014 (April 24)




"A tool to visualize veins applying the vein illusion"

vein_visualization02JPEG.exe

Copyright Akiyoshi Kitaoka 2014 (April 27)


"Akiyoshi's right hand"

Copyright Akiyoshi Kitaoka 2014 (April 27)


"Akiyoshi's left hand"

Copyright Akiyoshi Kitaoka 2014 (April 27)


"Akiyoshi's left hand"

Copyright Akiyoshi Kitaoka 2014 (April 30)



"Akiyoshi's left arm"

Copyright Akiyoshi Kitaoka 2014 (April 27)


"Akiyoshi's left arm"

Copyright Akiyoshi Kitaoka 2014 (May 1)


"Akiyoshi's right arm"

Copyright Akiyoshi Kitaoka 2014 (May 1)





"Akiyoshi's right leg"

vein_visualization02JPEG.exe

Copyright Akiyoshi Kitaoka 2014 (May 1)


Copyright Akiyoshi Kitaoka 2014 (May 4)


Copyright Akiyoshi Kitaoka 2014 (May 4)


"Akiyoshi's right leg 2"

vein_visualization02JPEGb.exe

Original (left), Vein emphasis (middle), and Overlapped (right)

Copyright Akiyoshi Kitaoka 2014 (May 5)


"Mouse tail"

vein_visualization02JPEG.exe

Copyright Akiyoshi Kitaoka 2014 (May 1)

Thanks to Chieko

cf.

Kienle, A., Lilge, L., Vitkin, I. A., Patterson, M. S., Wilson, B. C., Hibst, R. and Steiner, R. (1996). Why do veins appear blue? A new look at an old question. Applied Optics, 35(7), 1151-1160.

Why Veins Look Blue If blood is red, why do veins look blue? By Anne Marie Helmenstine, Ph.D. About.com Chemistry http://chemistry.about.com/od/lecturenoteslab1/a/Why-Veins-Look-Blue.htm (Kitaoka's access on July 1, 2014)



"Beating hearts 2"

Each heart appears to beat.

Copyright Akiyoshi Kitaoka 2014 (March 10)



"Conveyors"

Conveyors appear to move.

Copyright Akiyoshi Kitaoka 2014 (February 21)



"Predator"

The inner region appears to move to the lower right.

Copyright Akiyoshi Kitaoka 2014 (February 21)



"Rotating centipedes"

Each ring appears to rotate.

Copyright Akiyoshi Kitaoka 2014 (February 18)



"Rotating drunk centipedes"

Each ring appears to rotate.

Copyright Akiyoshi Kitaoka 2014 (February 18)


"Swimming rings"

Each ring appears to rotate clockwise in a bright condition while counterclockwise in a dark condition.

Copyright Akiyoshi Kitaoka 2014 (February 17



"Withering hearts"

Each heart appears to contract.

Copyright Akiyoshi Kitaoka 2014 (February 14)



"Space bacillus"

The bacillus appears to move.

Copyright Akiyoshi Kitaoka 2014 (February 11)



"Expanding space bacillus"

The bacillus appears to expand.

Copyright Akiyoshi Kitaoka 2014 (February 11)



"Beating hearts"

Each heart appears to beat.

Copyright Akiyoshi Kitaoka 2014 (February 3)

"Beating hearts: single"

The heart appears to beat.

Copyright Akiyoshi Kitaoka 2014 (February 3)



"Clock"

The ring appears to rotate clockwise in a wiggling fashion.

Copyright Akiyoshi Kitaoka 2014 (February 1)



"Broken clock"

The ring appears to rotate clockwise and counterclockwise in a wiggling fashion.

Copyright Akiyoshi Kitaoka 2014 (February 1)



"Clock 2"

The inner ring appears to rotate clockwise in a wiggling fashion.

Copyright Akiyoshi Kitaoka 2014 (February 1)



"Kaitenzushi: tunas"

Each ring appears to rotate clockwise in a bright condition being triggered by a blink or eye movement.

Copyright Akiyoshi Kitaoka 2014 (February 1)



"Kaitenzushi: salmons"

Each ring appears to rotate clockwise in a bright condition being triggered by a blink or eye movement.

Copyright Akiyoshi Kitaoka 2014 (January 31)


53 The latest works (January 2014 - January 2014)
52 The latest works (September 2013 - January 2014)
51 The latest works (April 2013 - September 2013)
50 The latest works (December 2012 - April 2013)
49 The latest works (August 2012 - December 2012)
48 The latest works (February 2012 - August 2012)
47 The latest works (August 2011 - December 2011)

46 The latest works (May 2011 - August 2011)
45 The latest works (December 2010 - April 2011)
44 The latest works (October 2010 - December 2010)
43 The latest works (April 2010 - August 2010)
42 The latest works (January 2010 - April 2010)
41 The latest works (September 2009 - December 2009)
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36 The latest works (October 2008 - December 2008)

37 The latest works (December 2008 - February 2009)
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35 The latest works (August 2008 - October 2008)
34 The latest works (July 2008 - August 2008)
33 The latest works (June 2008 - July 2008)
32 The latest works (April 2008 - June 2008)
31 The latest works (March 2008 - March 2008)
30 The latest works (January 2008 - March 2008)
29 The latest works (December 2007 - January 2008)
28 The latest works (October 2007 - December 2007)
27 The latest works (August 2007 - September 2007)
26 The latest works (June 2007 - August 2007)
25 The latest works (March 2007 - June 2007)
24 The latest works (March 2007 - March 2007)
23 The latest works (February 2007 - March 2007)
22 The latest works (December 2006 - January 2007
21 The latest works (October 2006 - November 2006)
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