The latest works 65

since January 19, 2021


"Is there any difference between the two images?"

There are differences in colors of elemental stripes.

Copyright Akiyoshi Kitaoka 2021 (May 18)


an enlarged image



Copyright Akiyoshi Kitaoka 2021 (May 19)



For a large bitmap, click the image.

Four types of spatial color mixture

Copyright Akiyoshi Kitaoka 2021 (May 19)


"Is there any difference between the two images?"

The red in the left image consists of red, blue and yellow stripes, while the red in the right one is made up of red, green and magenta.

Copyright Akiyoshi Kitaoka 2021 (May 18)


"Congratulations!"

Hearts appear to move.

Copyright Akiyoshi Kitaoka 2021 (March 31)



Any two of them are the same luminance gradient. Which are they?

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) February 20, 2021


"An inertial aftereffect"

This disk rotates clockwise through 15 degrees per 800 ms. After a period of rotation, the disk appears to rotate slightly clockwise.

Copyright Akiyoshi Kitaoka 2021 (February 15)


Copyright Akiyoshi Kitaoka 2021 (March 2)


"A train that runs with its doors open"

A train appears to move rightward.

Copyright Akiyoshi Kitaoka 2021 (February 9)



A train appears to move leftward.



A train appears to move upward.



A train appears to walk.


"In which direction does the train run?"

A train appears to move away from us, to come toward us, or move to and fro.

Copyright Akiyoshi Kitaoka 2021 (February 8)

🚃

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) February 8, 2021

"Rotating rings of triangles"

Rings appear to rotate.

Copyright Akiyoshi Kitaoka 2021 (January 26)


<a golden version>


"Moving rhombic trains in a black background"

Rows appear to move laterally.

Copyright Akiyoshi Kitaoka 2021 (January 22)

"Moving rhombic trains in a white background"

Rows appear to move laterally.

Copyright Akiyoshi Kitaoka 2021 (January 22)


"Blue head fish"

Rows appear to move laterally.

Copyright Akiyoshi Kitaoka 2021 (January 22)


"Pinecones"

Rings appear to rotate.

Copyright Akiyoshi Kitaoka 2021 (January 22)


"Expanding black hole"

A black hole appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 19)


cf.


"Expanding orange disk"

An orange disk appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 19)

"Expanding yellow disk"

A yellow disk appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 19)

"Expanding white disk"

A white disk appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 19)

"Expanding red disk"

A red disk appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 19)

"Expanding magenta disk"

A magenta disk appears to expand.

Copyright Akiyoshi Kitaoka 2021 (January 20)

cf. A blurred magenta disk appears to contract.


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