Moloud Nasiri

Empirically Evaluating the Effects of Calibration Perturbations on the Near-field Size Perception of Graspable Tangible Objects in VR

Alexandre Gomes de Siqueira, Roshan Venkatakrishnan, Kathryn Lucaites, Rohith Venkatakrishnan et autres

Immersive Virtual Environments (IVEs) incorporating tangible graspable objects are becoming more accessible for training and other applications. Visual and proprioceptive information has been shown to be important for accurate distance and size perception. However, previous research has shown that users overestimate the …

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Changes in Navigation over Time: A Comparison of Teleportation and Joystick-Based Locomotion

Moloud Nasiri, John R. Porter, Kristopher Kohm, Andrew Robb

Little research has studied how people use Virtual Reality (VR) changes as they experience VR. This article reports the results of an experiment investigating how users’ behavior with two locomotion methods changed over 4 weeks: teleportation and joystick-based locomotion. Twenty novice VR …

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Effect of Texture on the Perception of Axis of Rotation of Rotating Panels

Balagopal Raveendranath, Christopher C. Pagano, Moloud Nasiri, Andrew Robb et autres

Planar, orthogonal structures are very common in man-made environments. We often interact with rectangular structures such as doors and walls in our environment. When a rigid, rectangular structure rotates about a pivot axis, there is information in the ambient optic array, that …

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Gait Differences in the Real World and Virtual Reality: The Effect of Prior Virtual Reality Experience

Moloud Nasiri, Reza Ghaiumy Anaraky, Sabarish V. Babu, Andrew Robb

Walking through immersive virtual environments is one of the important parts of Virtual Reality (VR) applications. Prior research has established that users’ gait in virtual and real environments differs; however, little research has evaluated how users’ gait differs as users gain more …

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Factors affecting the perception of axis of rotation of pivot doors

Balagopal Raveendranath, Moloud Nasiri, Christopher C. Pagano, Sabarish V. Babu

Doors afford the action of entry and exit from an enclosed space. Although doors usually swing about an axis of rotation which falls along one of its side edges, some types of doors like pivot doors, rotate about an intermediate pivot axis, …

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Gait Differences in the Real World and Virtual Reality: The Effect of Prior Virtual Reality Experience

Moloud Nasiri

Walking is one of the most influential parts of virtual reality applications, such as training, health care, and education. Prior research has established that people's gait behavior change when walking in virtual reality (VR), as compared to the real world. However, very …

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Empirically Evaluating the Effects of Perceptual Information Channels on the Size Perception of Tangibles in Near-Field Virtual Reality

Alexandre Gomes de Siqueira, Rohith Venkatakrishnan, Roshan Venkatakrishnan, Ayush Bhargava et autres

Immersive Virtual Environments (IVEs) incorporating tangibles are becoming more accessible. The success of applications combining 3D printed tangibles and VR often depends on how accurately size is perceived. Research has shown that visuo-haptic perceptual information is important in the perception of size. …

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The Communication Die

Moloud Nasiri, Brygg Ullmer

This method enables important messages to be shared among people who may not have access to or prefer not to use cell phones. Communication Die aims to provide a communication link in a way that is not only simpler or safer than …