Tag: Geometrical illusions
179-parallel lines dis
File Size: 30Kb
Resolution: 500x500
Even though they seem to bulge inwards, the lines are perfectly straight and parallel t...
261-blue lines twist col
File Size: 78Kb
Resolution: 436x500
Do the blue lines twist up and down like a water flow? This illusion is mainly due to l...
63-moving lumachine mov
File Size: 59Kb
Resolution: 357x500
You may see flashing horizontal flows... The illusion of flows occurs when we look at c...
78-how many triangles2
File Size: 37Kb
Resolution: 473x500
Can you perceive 6 triangles in this Kanisza-like figure? (Illusory figures.)
Acswamp1
File Size: 357Kb
Resolution: 550x545
The vertical and horizontal lines appear to tilt in this image
Acswamp2
File Size: 231Kb
Resolution: 413x408
In Akiyoshi Kitaoka's 'Waves', horzontal and vertical lines appear to tilt
Acswamp3
File Size: 347Kb
Resolution: 547x540
In this illusion, horizontal and vertical lines appear to tilt
Acswamp5
File Size: 581Kb
Resolution: 750x748
In Akiyoshi Kitaoka's 'Swirls', concentric circles appear to spiral
Ajisai
File Size: 15Kb
Resolution: 419x420
In Akiyoshi Kitaoka's 'Hydrangea', vertical and horizontal edges appear distorted
Akacho0
File Size: 9Kb
Resolution: 353x353
The oblique lines in this image are actually straight but appear to curve
Babaroa
File Size: 8Kb
Resolution: 427x426
In Akiyoshi Kitaoka's 'Barbaroa' horizontal and vertical edges appear distorted
Bachshepardmonster
File Size: 267Kb
Resolution: 570x570
Move your mouse pointer over the image. A second 'monster' appears at the bottom. Compa...
Bachshepardtables
File Size: 63Kb
Resolution: 570x570
Compare the two tables in the neighbouring figure. How do size and shape of the two tab...
Bashful
File Size: 46Kb
Resolution: 570x570
In Akiyoshi Kitaoka's 'Bashful', horizontal and vertical lines appear to tilt
Beuchet Chair Video
File Size: 18Kb
Resolution: 256x144
This short video shows how the chair is laid out. Thanks to Frans Verstraten for the v...
Brelstaff-percep30-p637
File Size: 159Kb
Resolution: 570x570
(a) The spiral illusion of the Café Wall illusion, in which grey concentric circles ap...
Bristol cafe wall
File Size: 6Kb
Resolution: 279x218
The real life origin of the cafe wall illusion from a cafe in Bristol. The lines appear...
Bulge
File Size: 5Kb
Resolution: 270x270
This is a variant of the Hering illusion, from Akiyoshi Kitaoka. Click on Web Link and ...
Cafe wall
File Size: 7Kb
Resolution: 640x375
The cafe wall illusion, so called because the first time this illusion was spotted was ...
Cafekihon percep 33 fig2
File Size: 57Kb
Resolution: 570x570
Four variations of the Cafe Wall illusion: A, the standard Cafe Wall illusion; B, the c...
Cafewal1
File Size: 0Kb
Resolution: 315x101
This illusion is related to the cafe wall illusion. The middle grey line appears to sl...