Data-intensive Image Based Relighting

Biswarup Choudhury

Sharat Chandran

Introduction

Image-based Relighting (IBRL)

Method

Singular Value Decomposition (SVD)

Compue a set of image bases and their corresponding relighting coefficients.

Spherical Harmonics (SH)

Coherence among the computed relighting coefficients.

SVD

SH

SH

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Reconstruct

Result

Result

Result

2S-SVD

IAI

Discussion

Basis image 龐大 執行時間冗長 應用於全景圖

詭異！

By [Accurate Image Based Relighting through Optimization ]