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Kudo Lab
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A lab that measures human vision and applies it to computer vision.
AboutAbout the lab
Measuring human information processing and applying it to engineering.
The lab of Associate Professor Hiroaki Kudo models the functions of human information processing and studies how to apply them to engineering.
Through measurement of eye movements and analysis of visual perception, the lab investigates how vision works, including depth perception.
Using the mechanisms it discovers as clues, the lab works on areas such as computer vision that captures depth with cameras, aiming to contribute to the creation of "human-friendly interfaces."
The lab also works on materials development using computer vision.
Key terms
- ocular parallax
- Parallax produced by the movement of the eyes. As one role of eye movements, it is thought to serve as a cue for perceiving depth
- Anorthoscopic perception
- A phenomenon in which, when an object passing behind a slit is viewed through the slit, its whole shape is perceived and it appears compressed in size
- Inducing field of vision
- A psychological potential field that influences how the area around a figure appears
ResearchResearch themes
Elucidating the mechanisms of excellent human information processing is a scientific pursuit to understand humans themselves, and engineering applications are also expected. The lab designs its own experimental systems for measuring biological functions, and works on modeling information processing and applying it to engineering.
*Illustrative imageSmall eye movements that reveal depth
The lab investigates whether ocular parallax, which is produced by eye movements, is used for depth perception even for gaze shifts of the size seen in ordinary observation. In psychological experiments that measure eye movements, it obtained results suggesting that parallax is used.
*Illustrative imageMeasuring depth with tiny camera rotations
Applying the results of the above psychological experiments to engineering, the lab is examining a method of obtaining depth information by repeating tiny rotational movements of a camera. It integrates many images using the depth calculation results for each small gaze shift.
*Illustrative imagePerception of objects seen through a slit
When an object moving behind a slit is viewed through the slit, its whole shape is perceived and it appears compressed in size (anorthoscopic perception). The lab developed an experimental system to measure the amount of this perception, also measured eye movements, and proposed a model that improves on the conventional model.
*Illustrative imageExtending the inducing field model of vision
The lab aims at engineering applications of the "inducing field theory of vision," which has been studied in physiology and psychology. The conventional model is binary (black and white) and cannot be applied as is to color images and the like, so the lab measures its characteristics under various conditions and works on extending the model.
MembersFaculty
- Associate ProfessorHiroaki Kudo
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Central Projection Idealised Camera Model” Olaf Peters (OlafTheScientist) / CC BY-SA 4.0 (cropped)
- Small eye movements that reveal depth: “InclusiveGameLab Eyetracker 1 CC-BY-SA” InclusiveGameLab / CC BY-SA 4.0 (cropped)
- Measuring depth with tiny camera rotations: “Banana Plant Flask by Max Gruber” Max Gruber / CC BY 4.0 (cropped)
- Perception of objects seen through a slit: “Optical illusion on the floor of the Duomo Firenze (61458)” Rhododendrites / CC BY-SA 4.0 (cropped)
- Extending the inducing field model of vision: “PSM V54 D320 Pattern creating optical illusion 2” Unknown author / Public domain (cropped)
- Related lab (Sasano Lab): “QWERTY keyboard” MichaelMaggs / CC BY-SA 3.0 (cropped)
- Related lab (Toyama Lab): “Ghalib Law Library Books on the shelve” Iliaswiki23 / CC BY-SA 4.0 (cropped)
- Related lab (Ishikawa Lab (Database Systems Group)): “Cabinet Network Rear Close” Robert.Harker / CC BY-SA 3.0 (cropped)
- Related lab (Zettsu Lab): “Man with smartphone and laptop (Unsplash)” Alejandro Escamilla alejandroescamilla / CC0 (cropped)
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