Search Results for author: Giljoo Nam

Found 12 papers, 0 papers with code

Human Hair Reconstruction with Strand-Aligned 3D Gaussians

no code implementations23 Sep 2024 Egor Zakharov, Vanessa Sklyarova, Michael Black, Giljoo Nam, Justus Thies, Otmar Hilliges

We introduce a new hair modeling method that uses a dual representation of classical hair strands and 3D Gaussians to produce accurate and realistic strand-based reconstructions from multi-view data.

InterHandGen: Two-Hand Interaction Generation via Cascaded Reverse Diffusion

no code implementations CVPR 2024 Jihyun Lee, Shunsuke Saito, Giljoo Nam, Minhyuk Sung, Tae-Kyun Kim

Sampling from our model yields plausible and diverse two-hand shapes in close interaction with or without an object.

Diversity

Edge-Aware 3D Instance Segmentation Network with Intelligent Semantic Prior

no code implementations CVPR 2024 Wonseok Roh, Hwanhee Jung, Giljoo Nam, Jinseop Yeom, Hyunje Park, Sang Ho Yoon, Sangpil Kim

While recent 3D instance segmentation approaches show promising results based on transformer architectures they often fail to correctly identify instances with similar appearances.

3D Instance Segmentation Language Modelling +1

A Local Appearance Model for Volumetric Capture of Diverse Hairstyle

no code implementations14 Dec 2023 Ziyan Wang, Giljoo Nam, Aljaz Bozic, Chen Cao, Jason Saragih, Michael Zollhoefer, Jessica Hodgins

In this paper, we present a novel method for creating high-fidelity avatars with diverse hairstyles.

Relightable Gaussian Codec Avatars

no code implementations CVPR 2024 Shunsuke Saito, Gabriel Schwartz, Tomas Simon, Junxuan Li, Giljoo Nam

The fidelity of relighting is bounded by both geometry and appearance representations.

Differentiable Display Photometric Stereo

no code implementations CVPR 2024 Seokjun Choi, Seungwoo Yoon, Giljoo Nam, Seungyong Lee, Seung-Hwan Baek

In this paper, we present differentiable display photometric stereo (DDPS), addressing an often overlooked challenge in display photometric stereo: the design of display patterns.

Event Fusion Photometric Stereo Network

no code implementations1 Mar 2023 Wonjeong Ryoo, Giljoo Nam, Jae-Sang Hyun, Sangpil Kim

We present a novel method to estimate the surface normal of an object in an ambient light environment using RGB and event cameras.

Surface Normal Estimation

Neural Strands: Learning Hair Geometry and Appearance from Multi-View Images

no code implementations28 Jul 2022 Radu Alexandru Rosu, Shunsuke Saito, Ziyan Wang, Chenglei Wu, Sven Behnke, Giljoo Nam

Furthermore, we introduce a novel neural rendering framework based on rasterization of the learned hair strands.

Neural Rendering

ORA3D: Overlap Region Aware Multi-view 3D Object Detection

no code implementations2 Jul 2022 Wonseok Roh, Gyusam Chang, Seokha Moon, Giljoo Nam, Chanyoung Kim, Younghyun Kim, Jinkyu Kim, Sangpil Kim

Current multi-view 3D object detection methods often fail to detect objects in the overlap region properly, and the networks' understanding of the scene is often limited to that of a monocular detection network.

3D Object Detection Disparity Estimation +4

HVH: Learning a Hybrid Neural Volumetric Representation for Dynamic Hair Performance Capture

no code implementations CVPR 2022 Ziyan Wang, Giljoo Nam, Tuur Stuyck, Stephen Lombardi, Michael Zollhoefer, Jessica Hodgins, Christoph Lassner

Capturing and rendering life-like hair is particularly challenging due to its fine geometric structure, the complex physical interaction and its non-trivial visual appearance. Yet, hair is a critical component for believable avatars.

Neural Rendering Optical Flow Estimation

Strand-Accurate Multi-View Hair Capture

no code implementations CVPR 2019 Giljoo Nam, Chenglei Wu, Min H. Kim, Yaser Sheikh

Thus, in the second stage, we feature a novel strand reconstruction method with the mean-shift to convert the noisy point data to a set of strands.

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