Karan Singh

schoolUniversity of Torontobar_chart#739 Global Rank

Total Papers

HCI Rank

#739

Research Areas

Years Active

Recent Publications

FAME: Exploring Expressive Facial Avatars for Lyrical and Non-Lyrical Music Visualization for d/Deaf Individuals

d/Deaf and Hard of Hearing (DHH) individuals often engage with music through a multimodal approach, where visual modalities are also used rather than relying on sound alone. While tools like captions and visualizers offer partial support, they often fail to capture the emotional depth and structural nuances of music.…

UIST '25CorrespondingHonorable MentionImmersion & Presence Research +2

Squidgets: Sketch-based Widget Design for Scene Manipulation

People naturally sketch strokes over graphical scenes to convey scene changes. We propose automatically interpreting these strokes to execute scene changes with squidgets (sketch-widgets), a novel sketch-based UI framework for direct scene manipulation. Squidgets are motivated by the observation that curves resulting…

CHI '244th AuthorAR Navigation & Context Awareness +1

ProInterAR: A Visual Programming Platform for Creating Immersive AR Interactions

AR applications commonly contain diverse interactions among different AR contents. Creating such applications requires creators to have advanced programming skills for scripting interactive behaviors of AR contents, repeated transferring and adjustment of virtual contents from virtual to physical scenes, testing by tr…

UIST '213rd AuthorContext-Aware Computing +1

Space, Time, and Choice: A unified approach to flexible personal scheduling

In the context of increasingly busy lives and mobility constraints, we present a unified space-time approach to support flexible personal scheduling. We distill an analysis of the design requirements of interactive space-time scheduling into a single coherent workflow where users can manipulate a rich vocabulary of sp…

CHI '21CorrespondingInteractive Data Visualization +1

Color by Numbers: Interactive Structuring and Vectorization of Sketch Imagery

We present a novel, interactive interface for the integrated cleanup, neatening, structuring and vectorization of sketch imagery. Converting scanned raster drawings into vector illustrations is a well-researched set of problems. Our approach is based on a Delaunay subdivision of the raster drawing. We algorithmically…

CHI '215th+ AuthorHonorable MentionImmersion & Presence Research +1

CASSIE: Curve and Surface Sketching in Immersive Environments

We present CASSIE, a conceptual modeling system in VR that leverages freehand mid-air sketching, and a novel 3D optimization framework to create connected curve network armatures, predictively surfaced using patches with C0 continuity. Our system provides a judicious balance of interactivity and automation, providing…

UIST '20Corresponding3D Modeling & Animation +1

Interactive Exploration and Refinement of Facial Expression using Manifold Learning

Posing expressive 3D faces is extremely challenging. Typical facial rigs have upwards of 30 controllable parameters, that while anatomically meaningful, are hard to use due to redundancy of expression, unrealistic configurations, and many semantic and stylistic correlations between the parameters. We propose a novel i…

UIST '19CorrespondingHand Gesture Recognition +1

MagicalHands: Mid-Air Hand Gestures for Animating in VR

We seek to understand the preferred hand gestures for canonical animation authoring tasks in virtual reality (VR) environments. We first perform a gesture elicitation study for animation authoring to understand user preferences for a spatio-temporal bare-handed interaction system in VR. Specifically, we focus on the c…

CHI '19Corresponding360° Video & Panoramic Content +2

Color Builder: A Direct Manipulation Interface for Versatile Color Theme Authoring

Color themes or palettes are popular for sharing color combinations across many visual domains. We present a novel interface for creating color themes through direct manipulation of color swatches. Users can create and rearrange swatches, and combine them into smooth and step-based gradients and three-color blends --…

CHI '194th AuthorMixed Reality Workspaces +1

HoloDoc: Enabling Mixed Reality Workspaces that Harness Physical and Digital Content

Prior research identified that physical paper documents have many positive attributes, for example natural tangibility and inherent physical flexibility. When documents are presented on digital devices, however, they can provide unique functionality to users, such as the ability to search, view dynamic multimedia cont…

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