Arts and Humanities Commons^™

Recognising Facial Expression From Spatially And Temporally Modified Movements, Frank E. Pollick, Harold C. Hill, Andrew Calder, Helena Paterson

Harold Hill

We examined how the recognition of facial emotion was influenced by manipulation of both spatial and temporal properties of 3-D point-light displays of facial motion. We started with the measurement of 3-D position of multiple locations on the face during posed expressions of anger, happiness, sadness, and surprise, and then manipulated the spatial and temporal properties of the measurements to obtain new versions of the movements. In two experiments, we examined recognition of these original and modified facial expressions: in experiment 1, we manipulated the spatial properties of the facial movement, and in experiment 2 we manipulated the temporal properties. …

The Hollow Face Illusion In Infancy, E Nakato, Harold C. Hill, Y Otsuka, S Kanazawa, M Yamaguchi

Harold Hill

Abstract presented at The 30th European Conference on Visual Perception, 27-31 August 2007, Arezzo, Italy

Comparing Solid Body With Point-Light Animations, Harold C. Hill, Yuri Jinno, Alan Johnston

Harold Hill

The movement of faces provides useful information for a variety of tasks and is now an active area of research. We compare here two ways of presenting face motion in experiments: as solid-body animations and as point-light displays. In the first experiment solid-body and point-light animations, based on the same motion-captured marker data, produced similar levels of performance on a sex-judgment task. The trend was for an advantage for the point-light displays, probably in part because of residual spatial cues available in such stimuli. In the second experiment we compared spatially normalised point-light displays of marker data with solid-body animations …

The Hollow-Face Illusion: Object Specific Knowledge, General Assumptions Or Properties Of The Stimulus, Harold C. Hill, Alan Johnston

Harold Hill

The hollow-face illusion, in which a mask appears as a convex face, is a powerful example of binocular depth inversion occurring with a real object under a wide range of viewing conditions. Explanations of the illusion are reviewed and six experiments reported. In experiment 1 the detrimental effect of figural inversion, evidence for the importance of familiarity, was found for other oriented objects. The inversion effect held for masks lit from the side (experiment 2). The illusion was stronger for a mask rotated by 90° lit from its forehead than from its chin, suggesting that familiar patterns of shading enhance …

Matching Faces Across Rotations In View And Lighting, Simone K. Favelle, Harold C. Hill

Harold Hill

It is important to look at the combined effects of lighting and view direction on face recognition, as both depend on the three dimensional shape of the face and are in some ways analogous. For example, both pitch rotations and the change between top and bottom lighting involve rotations about the left-right axis, just as yaw and left/right lighting involved rotations about the vertical axis. We investigated identity matching performance across 45° rotations of the light source or the face about pitch or yaw with all images shown either upright or inverted. Upright images were better matched than inverted images, …

Agrarian Reform And Philippine Political Development, Frede G. Moreno, Susana Evangelista Leones

Frede G Moreno

Landownership problem and control of resources remains as a political development issue in the Philippines. Agrarian reform is a necessary condition for agricultural modernization and rural industrialization and the fundamental mooring for global competition. Agrarian Reform has contributed to improvement of the socio-economic conditions of landless farmers and political development of the Philippines in terms of engaging the landless in the process of policy making and distribution of large private landholdings to the landless. Modalities giving peasants a stake in society such as decisive role in agrarian legislations, engaging them in dialogue to resolve agrarian cases, presenting manifesto pinpointing their …

Extractive Metallurgy Of Copper, Fathi Habashi

Fathi Habashi

His Majesty, Don Morrow

Donald Morrow

No abstract provided.