Mar Gonzalez-Franco

schoolGooglebar_chart#787 Global Rank

Total Papers

HCI Rank

#787

Research Areas

Years Active

Recent Publications

Preshaping Hand Behaviour for Direct and Indirect Manipulation of 3D Objects

Effortless manipulation informs and relies on preshaping: the subconscious posing of the hand before grasping. Virtual environments and the design of interaction techniques alters interaction requirements like contact and reach, forcing behavioural adaptation. We present a comparative study investigating preshaping be…

CHI '264th AuthorElectrical Muscle Stimulation (EMS) +2

Grand Challenges around Designing Computers’ Control Over Our Bodies

Advances in emerging technologies, such as on-body mechanical actuators and electrical muscle stimulation, have allowed computers to take control over our bodies. This presents opportunities as well as challenges, raising fundamental questions about agency and the role of our body when interacting with technology. To…

UIST '255th+ AuthorIn-Vehicle Haptic, Audio & Multimodal Feedback +2

ForcePinch: Force-Responsive Spatial Interaction for Tracking Speed Control in XR

Spatial interaction in 3D environments requires balancing efficiency and precision, which requires dynamic tracking speed adjustments. However, existing techniques often couple tracking speed adjustments directly with hand movements, reducing interaction flexibility. Inspired by the natural friction control inherent i…

UIST '252nd AuthorHand Gesture Recognition +2

HandOver: Enabling Precise Selection & Manipulation of 3D Objects with Mouse and Hand Tracking

We present HandOver, an extended reality (XR) interaction technique designed to unify the precision of traditional mouse input for object selection with the expressiveness of hand-tracking for object manipulation. With HandOver, the mouse is used to drive a depth-aware 3D cursor enabling precise and restful targeting…

UIST '254th AuthorMixed Reality Workspaces +2

Reality Proxy: Fluid Interactions with Real-World Objects in MR via Abstract Representations

Interacting with real-world objects in Mixed Reality (MR) often proves difficult when they are crowded, distant, or partially occluded, hindering straightforward selection and manipulation. We observe that these difficulties stem from performing interaction directly on physical objects, where input is tightly coupled…

DIS '252nd AuthorHand Gesture Recognition +1

RestfulRaycast: Exploring Ergonomic Rigging and Joint Amplification for Precise Hand Ray Selection in XR

Hand raycasting is widely used in extended reality (XR) for selection and interaction, but prolonged use can lead to arm fatigue (e.g., "gorilla arm"). Traditional techniques often require a large range of motion where the arm is extended and unsupported, exacerbating this issue. In this paper, we explore hand raycast…

CHI '255th+ AuthorSocial & Collaborative VR +1

Text Entry for XR Trove (TEXT): Collecting and Analyzing Techniques for Text Input in XR

Text entry for extended reality (XR) is far from perfect, and a variety of text entry techniques (TETs) have been proposed to fit various contexts of use. However, comparing between TETs remains challenging due to the lack of a consolidated collection of techniques, and limited understanding of how interaction attribu…

CHI '25CorrespondingEye Tracking & Gaze Interaction +1

Online-EYE: Multimodal Implicit Eye Tracking Calibration for XR

Unlike other inputs for extended reality (XR) that work out of the box, eye tracking typically requires custom calibration per user or session. We present a multimodal inputs approach for implicit calibration of eye tracker in VR, leveraging UI interaction for continuous, background calibration. Our method analyzes ga…

CHI '254th AuthorHand Gesture Recognition +2

PinchCatcher: Enabling Multi-selection for Gaze+Pinch

This paper investigates multi-selection in XR interfaces based on eye and hand interaction. We propose enabling multi-selection using different variations of techniques that combine gaze with a semi-pinch gesture, allowing users to select multiple objects, while on the way to a full-pinch. While our exploration is bas…

UIST '245th+ AuthorHand Gesture Recognition +2

Hands-on, Hands-off: Gaze-Assisted Bimanual 3D Interaction

Extended Reality (XR) systems with hand-tracking support direct manipulation of objects with both hands. A common interaction in this context is for the non-dominant hand (NDH) to orient an object for input by the dominant hand (DH). We explore bimanual interaction with gaze through three new modes of interaction wher…

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