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Shreyas Hampali

10 accepted papers

2025

FoundHand: Large-Scale Domain-Specific Learning for Controllable Hand Image Generation

CVPR 2025highlight

Despite remarkable progress in image generation models, generating realistic hands remains a persistent challenge due to their complex articulation, varying viewpoints, and frequent occlusions. We present FoundHand, a large-scale domain-specific diffusion model for synthesizing single and dual hand…

Cited by 0SourcePDFScholar
2025

HOT3D: Hand and Object Tracking in 3D from Egocentric Multi-View Videos

CVPR 2025highlight

We introduce HOT3D, a publicly available dataset for egocentric hand and object tracking in 3D. The dataset offers over 833 minutes (3.7M+ images) of recordings that feature 19 subjects interacting with 33 diverse rigid objects. In addition to simple pick-up, observe, and put-down actions, the subje…

2025

Streaming VideoLLMs for Real-Time Procedural Video Understanding

ICCV 2025poster

We introduce ProVideLLM, an end-to-end framework for real-time procedural video understanding. ProVideLLM integrates a multimodal cache configured to store two types of tokens -- verbalized text tokens, which provide compressed textual summaries of long-term observations, and visual tokens, encoded…

Cited by 9SourcePDFScholar
2024

EgoPoseFormer: A Simple Baseline for Stereo Egocentric 3D Human Pose Estimation

ECCV 2024poster

"We present , a simple yet effective transformer-based model for stereo egocentric human pose estimation. The main challenge in egocentric pose estimation is overcoming joint invisibility, which is caused by self-occlusion or a limited field of view (FOV) of head-mounted cameras. Our approach overco…

2023

In-Hand 3D Object Scanning From an RGB Sequence

CVPR 2023poster

We propose a method for in-hand 3D scanning of an unknown object with a monocular camera. Our method relies on a neural implicit surface representation that captures both the geometry and the appearance of the object, however, by contrast with most NeRF-based methods, we do not assume that the camer…

Cited by 24SourcePDFScholar
2022

Keypoint Transformer: Solving Joint Identification in Challenging Hands and Object Interactions for Accurate 3D Pose Estimation

CVPR 2022oral

We propose a robust and accurate method for estimating the 3D poses of two hands in close interaction from a single color image. This is a very challenging problem, as large occlusions and many confusions between the joints may happen. State-of-the-art methods solve this problem by regressing a heat…

Cited by 174PDFcodeScholar
2021

Monte Carlo Scene Search for 3D Scene Understanding

CVPR 2021poster

We explore how a general AI algorithm can be used for 3D scene understanding to reduce the need for training data. More exactly, we propose a modification of the Monte Carlo Tree Search (MCTS) algorithm to retrieve objects and room layouts from noisy RGB-D scans. While MCTS was developed as a game-p…

Cited by 29PDFcodeScholar
2020

General 3D Room Layout from a Single View by Render-and-Compare

ECCV 2020poster

We present a novel method to reconstruct the 3D layout of a room—walls, floors, ceilings—from a single perspective view in challenging conditions, by contrast with previous single-view methods restricted to cuboid-shaped layouts. This input view can consist of a color image only, but considering a de…

2020

HOnnotate: A Method for 3D Annotation of Hand and Object Poses

CVPR 2020poster

We propose a method for annotating images of a hand manipulating an object with the 3D poses of both the hand and the object, together with a dataset created using this method. Our motivation is the current lack of annotated real images for this problem, as estimating the 3D poses is challenging, mo…

Cited by 470PDFScholar
2020

Measuring Generalisation to Unseen Viewpoints, Articulations, Shapes and Objects for 3D Hand Pose Estimation under Hand-Object Interaction

ECCV 2020poster

Articulations, Shapes and Objects for 3D Hand Pose Estimation under Hand-Object Interaction","We study how well different types of approaches generalise in the task of 3D hand pose estimation under single hand scenarios and hand-object interaction. We show that the accuracy of state-of-the-art metho…