Perceiving action boundaries: Learning effects in perceiving maximum jumping-reach affordances

Perceiving Affordances through Perceptual Information

The purpose of this study was to explore how users perceive the affordances of an object from specific operation tasks. These affordances can be specified in terms of perceptual information. To this end, the eye-tracking technique was employed to capture what product parts uses’ fixation focused on when using a product for specific operational tasks. The results show that, for physical-behavior...

Reconsidering the role of movement in perceiving action-scaled affordances.

Many locomotor tasks require actors to choose among different categories of action, such as when deciding whether to cross the street in front of an approaching vehicle or wait until it passes. In such cases, the actor's locomotor capabilities partly determine which actions are possible, and therefore must be taken into account. The present study was designed to re-evaluate the claim that peopl...

Perceiving, Learning, and Exploiting Object Affordances for Autonomous Pile Manipulation

Autonomous manipulation in unstructured environments presents roboticists with three fundamental challenges: object segmentation, action selection, and motion generation. These challenges become more pronounced when unknown manmade or natural objects are cluttered together in a pile. We present an end-to-end approach to the problem of manipulating unknown objects in a pile, with the objective o...

Perceiving affordances for fitting through apertures.

Affordances--possibilities for action--are constrained by the match between actors and their environments. For motor decisions to be adaptive, affordances must be detected accurately. Three experiments examined the correspondence between motor decisions and affordances as participants reached through apertures of varying size. A psychophysical procedure was used to estimate an affordance thresh...

Perceiving One ' s Own Action