Interactive Illumination Invariance

TL;DR

This paper introduces an interactive system that allows users to specify illumination variations to generate robust, illumination-invariant images, improving over automated methods especially in complex scenes.

Contribution

The system enables user-guided illumination-invariant image derivation, providing flexibility and robustness for challenging scenes where automatic methods struggle.

Findings

Enhanced robustness in non-linear rendered images

Effective removal of specified illumination variations

User-guided approach improves over automated methods

Abstract

Illumination effects cause problems for many computer vision algorithms. We present a user-friendly interactive system for robust illumination-invariant image generation. Compared with the previous automated illumination-invariant image derivation approaches, our system enables users to specify a particular kind of illumination variation for removal. The derivation of illumination-invariant image is guided by the user input. The input is a stroke that defines an area covering a set of pixels whose intensities are influenced predominately by the illumination variation. This additional flexibility enhances the robustness for processing non-linearly rendered images and the images of the scenes where their illumination variations are difficult to estimate automatically. Finally, we present some evaluation results of our method.