David Kim

schoolGooglebar_chart#786 Global Rank

Total Papers

HCI Rank

#786

Research Areas

Years Active

Recent Publications

AgentHands: Generating Interactive Hand Gestures for Spatially Grounded Agent Conversations in XR

Communicating spatial tasks via text or speech creates ``a mental mapping gap'' that limits an agent’s expressiveness. Inspired by co-speech gestures in face-to-face conversation, we propose \textsc{AgentHands}, an LLM-powered XR system that equips agents with hands to render responses clearer and more engaging. Guide…

UIST '255th+ AuthorAR Navigation & Context Awareness +2

Sensible Agent: A Framework for Unobtrusive Interaction with Proactive AR Agents

Proactive AR agents promise context-aware assistance, but their interactions often rely on explicit voice prompts or responses, which can be disruptive or socially awkward. We introduce Sensible Agent,a framework designed for unobtrusive interaction with these proactive agents. Sensible Agent dynamically adapts both “…

UIST '255th+ AuthorSocial & Collaborative VR +2

Thing2Reality: Enabling Spontaneous Creation of 3D Objects from 2D Content using Generative AI in XR Meetings

During remote communication, participants often share both digital and physical content, such as product designs, digital assets, and environments, to enhance mutual understanding. Recent advances in augmented communication have facilitated users to swiftly create and share digital 2D copies of physical objects from v…

UIST '255th+ AuthorConversational Chatbots +1

DialogLab: Authoring, Simulating, and Testing Dynamic Human-AI Group Conversations

Designing compelling multi-party conversations involving both humans and AI agents presents significant challenges, particularly in balancing scripted structure with emergent, human-like interactions. We introduce DialogLab, a prototyping toolkit for authoring, simulating, and testing hybrid human-AI dialogues. Dialog…

CHI '255th+ AuthorHonorable MentionHuman-LLM Collaboration +1

InstructPipe: Generating Visual Blocks Pipelines with Human Instructions and LLMs

Visual programming has the potential of providing novice programmers with a low-code experience to build customized processing pipelines. Existing systems typically require users to build pipelines from scratch, implying that novice users are expected to set up and link appropriate nodes from a blank workspace. In thi…

UIST '24CorrespondingSocial & Collaborative VR +2

Augmented Object Intelligence with XR-Objects

Seamless integration of physical objects as interactive digital entities remains a challenge for spatial computing. This paper explores Augmented Object Intelligence (AOI) in the context of XR, an interaction paradigm that aims to blur the lines between digital and physical by equipping real-world objects with the abi…

CHI '245th+ AuthorSocial & Collaborative VR +1

ChatDirector: Enhancing Video Conferencing with Space-Aware Scene Rendering and Speech-Driven Layout Transition

Remote video conferencing systems (RVCS) are widely adopted in personal and professional communication. However, they often lack the co-presence experience of in-person meetings. This is largely due to the absence of intuitive visual cues and clear spatial relationships among remote participants, which can lead to spe…

CHI '243rd AuthorHonorable MentionUser Research Methods (Interviews, Surveys, Observation) +1

Human I/O: Towards a Unified Approach to Detecting Situational Impairments

Situationally Induced Impairments and Disabilities (SIIDs) can significantly hinder user experience in contexts such as poor lighting, noise, and multi-tasking. While prior research has introduced algorithms and systems to address these impairments, they predominantly cater to specific tasks or environments and fail t…

CHI '242nd AuthorMixed Reality Workspaces +1

UI Mobility Control in XR: Switching UI Positionings between Static, Dynamic, and Self Entities

Extended reality (XR) has the potential for seamless user interface (UI) transitions across people, objects, and environments. However, the design space, applications, and common practices of 3D UI transitions remain underexplored. To address this gap, we conducted a need-finding study with 11 participants, identifyin…

UBICOMP '23CorrespondingAR Navigation & Context Awareness +1

RetroSphere: Self-Contained Passive 3D Controller Tracking for Augmented Reality

Advanced AR/VR headsets often have a dedicated depth sensor or multiple cameras, high processing power, and a high-capacity battery to track hands or controllers. However, these approaches are not compatible with the small form factor and limited thermal capacity of lightweight AR devices. In this paper, we present Re…

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