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Pranali Sancheti

dblp:326/8749 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2022
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 since 2021Human-computer interaction and ubiquitous computing · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer graphics and multimedia
1 paper
Computer animation and physical simulation · 30% Geometric modeling and processing · 30% Rendering · 30%

Topics — the 3 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Geometric modeling and processing
3d scene representation
0.612022
Temporal View Synthesis of Dynamic Scenes through 3D Object Motion Estimation with Multi-Plane Images · ISMAR 2022
Rendering › novel view synthesis
multiplane image
0.612022
Temporal View Synthesis of Dynamic Scenes through 3D Object Motion Estimation with Multi-Plane Images · ISMAR 2022
Virtual and augmented reality
virtual reality
0.212022
Temporal View Synthesis of Dynamic Scenes through 3D Object Motion Estimation with Multi-Plane Images · ISMAR 2022

Methods — techniques the papers use, named apart from their topics

partial convolution · 0.6masked correlation · 0.6disocclusion infilling · 0.63d object motion estimation · 0.6
YearPublicationVenuePosition
2022 Temporal View Synthesis of Dynamic Scenes through 3D Object Motion Estimation with Multi-Plane Images
abstract
The challenge of graphically rendering high frame-rate videos on low compute devices can be addressed through periodic prediction of future frames to enhance the user experience in virtual reality applications. This is studied through the problem of temporal view synthesis (TVS), where the goal is to predict the next frames of a video given the previous frames and the head poses of the previous and the next frames. In this work, we consider the TVS of dynamic scenes in which both the user and objects are moving. We design a framework that decouples the motion into user and object motion to effectively use the available user motion while predicting the next frames. We predict the motion of objects by isolating and estimating the 3D object motion in the past frames and then extrapolating it. We employ multi-plane images (MPI) as a 3D representation of the scenes and model the object motion as the 3D displacement between the corresponding points in the MPI representation. In order to handle the sparsity in MPIs while estimating the motion, we incorporate partial convolutions and masked correlation layers to estimate corresponding points. The predicted object motion is then integrated with the given user or camera motion to generate the next frame. Using a disocclusion infilling module, we synthesize the regions uncovered due to the camera and object motion. We develop a new synthetic dataset for TVS of dynamic scenes consisting of 800 videos at full HD resolution. We show through experiments on our dataset and the MPI Sintel dataset that our model outperforms all the competing methods in the literature.
Nagabhushan Somraj, Pranali Sancheti, Rajiv Soundararajan
ISMAR2