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All Outputs (37)

Context-aware material selective rendering for mobile graphics
Presentation / Conference Contribution
Koulieris, G. A., Drettakis, G., Cunningham, D., Sidorakis, N., & Mania, K. (2014, August). Context-aware material selective rendering for mobile graphics. Presented at ACM SIGGRAPH 2014 Posters (SIGGRAPH '14)., Vancouver, Canada

Gaze Prediction using Machine Learning for Dynamic Stereo Manipulation in Games
Presentation / Conference Contribution
Koulieris, G., Drettakis, G., Cunningham, D., & Mania, K. (2016, March). Gaze Prediction using Machine Learning for Dynamic Stereo Manipulation in Games. Presented at IEEE VR 2016 IEEE, Greenville, South Carolina, USA

Comfortable, high-quality 3D stereo viewing is becoming a requirement for interactive applications today. Previous research shows that manipulating disparity can alleviate some of the discomfort caused by 3D stereo, but it is best to do this locally,... Read More about Gaze Prediction using Machine Learning for Dynamic Stereo Manipulation in Games.

Gender differences in spatial awareness in immersive virtual environments: a preliminary investigation
Presentation / Conference Contribution
Paraskeva, C., Koulieris, G. A., Coxon, M., & Mania, K. (2012, December). Gender differences in spatial awareness in immersive virtual environments: a preliminary investigation. Presented at Proceedings of the 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry ACM, Singapore

This paper presents an experiment exploring gender differences in spatial navigation, memory performance and spatial awareness through a complex Virtual Environment (VE). The immersive simulation consisted of a radiosity-rendered space divided in fou... Read More about Gender differences in spatial awareness in immersive virtual environments: a preliminary investigation.

Binocular eye-tracking for the control of a 3D immersive multimedia user interface
Presentation / Conference Contribution
Sidorakis, N., Koulieris, G. A., & Mania, K. (2015, March). Binocular eye-tracking for the control of a 3D immersive multimedia user interface. Presented at Everyday Virtual Reality (WEVR), 2015 IEEE 1st Workshop on IEEE, Arles, Camargue, Provence, France

In this paper, we present an innovative approach to design a gaze-controlled Multimedia User Interface for modern, immersive headsets. The wide-spread availability of consumer grade Virtual Reality Head Mounted Displays such as the Oculus RiftTM tran... Read More about Binocular eye-tracking for the control of a 3D immersive multimedia user interface.

Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled)
Presentation / Conference Contribution
Koulieris, G.-A., Akşit, K., Richardt, C., Mantiuk, R., & Mania, K. (2018, March). Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled). Presented at IEEE VR 2018: 25th IEEE Conference on Virtual Reality and 3D User Interfaces., Reutlingen, Germany

Near-eye (VR/AR) displays suffer from technical, interaction as well as visual quality issues which hinder their commercial potential. This tutorial will deliver an overview of cutting-edge VR/AR display technologies, focusing on technical, interacti... Read More about Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled).

Attention-aware rendering, mobile graphics and games
Presentation / Conference Contribution
McNamara, A., Mania, K., Koulieris, G. A., & Itti, L. (2014, August). Attention-aware rendering, mobile graphics and games. Presented at SIGGRAPH 2014 Courses, Vancouver, Canada

Applications of visual perception to virtual reality rendering
Presentation / Conference Contribution
Patney, A., Zannoli, M., Koulieris, G.-A., Kim, J., Wetzstein, G., & Steinicke, F. (2023, July). Applications of visual perception to virtual reality rendering. Presented at ACM SIGGRAPH 2017 Courses, Los Angeles, California, USA

Over the past few years, virtual reality (VR) has transitioned from the realm of expensive research prototypes and military installations into widely available consumer devices. These devices enable experiences that are highly immersive and entertain... Read More about Applications of visual perception to virtual reality rendering.

High level saliency prediction for smart game balancing
Presentation / Conference Contribution
Koulieris, G. A., Drettakis, G., Cunningham, D., & Mania, K. (2014, August). High level saliency prediction for smart game balancing. Presented at ACM SIGGRAPH 2014 Talks ACM, Vancouver, Canada

Focus-tunable and fixed lenses and stereoscopic 3D displays (Conference Presentation)
Presentation / Conference Contribution
Banks, M. S., Johnson, P., Kim, J., Koulieris, G. A., Drettakis, G., & Gordon, L. (2017, April). Focus-tunable and fixed lenses and stereoscopic 3D displays (Conference Presentation). Presented at Emerging Liquid Crystal Technologies XII, San Francisco, California

Stereoscopic 3D (S3D) displays provide an enhanced sense of depth by sending different images to the two eyes. But these displays do not reproduce focus cues (blur and accommodation) correctly. Specifically, the eyes must accommodate to the display s... Read More about Focus-tunable and fixed lenses and stereoscopic 3D displays (Conference Presentation).

Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled)
Presentation / Conference Contribution
Koulieris, G.-A., Aksit, K., Richardt, C., & Mantiuk, R. (2018, December). Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled). Presented at The 11th ACM SIGGRAPH Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia., Tokyo, Japan

Near-eye (VR/AR) displays suffer from technical, interaction as well as visual quality issues which hinder their commercial potential. This tutorial will deliver an overview of cutting-edge VR/AR display technologies, focusing on technical, interacti... Read More about Cutting-Edge VR/AR Display Technologies (Gaze-, Accommodation-, Motion-aware and HDR-enabled).

DiCE: dichoptic contrast enhancement for binocular displays
Presentation / Conference Contribution
Zhong, F., Koulieris, G. A., Drettakis, G., Banks, M. S., Chambe, M., Durand, F., & Mantiuk, R. (2019, December). DiCE: dichoptic contrast enhancement for binocular displays. Presented at ACM SIGGRAPH 2019 Posters on - SIGGRAPH '19

Front Camera Eye Tracking For Mobile VR
Presentation / Conference Contribution
Drakopoulos, P., Koulieris, G. A., & Mania, K. (2020, December). Front Camera Eye Tracking For Mobile VR. Presented at 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)

Emulating Foveated Path Tracing
Presentation / Conference Contribution
Polychronakis, A., Koulieris, G. A., & Mania, K. (2021, November). Emulating Foveated Path Tracing. Presented at ACM SIGGRAPH Conference on Motion, Interaction and Games, Virtual

At full resolution, path tracing cannot be deployed in real-time based on current graphics hardware due to slow convergence times and noisy outputs, despite recent advances in denoisers. In this work, we develop a perceptual sandbox emulating a fovea... Read More about Emulating Foveated Path Tracing.

RHapTor: Rendering Haptic Torques for Virtual Reality
Presentation / Conference Contribution
Roice, K., & Koulieris, G. A. (2022, August). RHapTor: Rendering Haptic Torques for Virtual Reality. Presented at SIGGRAPH '22: Special Interest Group on Computer Graphics and Interactive Techniques Conference, Vancouver, Canada

A Virtual Reality System for the Assessment of Patients with Lower Limb Rotational Abnormalities
Presentation / Conference Contribution
Sibrina, D., Bethapudi, S., & Koulieris, G. A. (2023, March). A Virtual Reality System for the Assessment of Patients with Lower Limb Rotational Abnormalities. Presented at 2023 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), Shanghai, China

Rotational lower limb abnormalities cause patellar mal-tracking which impacts young patients. Repetitive patellar dislocation may require knee arthroplasty. Surgeons employ CT to identify rotational abnormalities and make surgical decisions. Recent s... Read More about A Virtual Reality System for the Assessment of Patients with Lower Limb Rotational Abnormalities.