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» Active Lighting for Object Brightness Control
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CW
2004
IEEE
13 years 8 months ago
Active Lighting for Object Brightness Control
We present an active lighting method that can control brightness of multiple objects in a scene to any values on video images. Our approach does not modify pixel values like retou...
Yoshinari Kameda, Jun Shingu, Satoshi Nishiguchi, ...
ICRA
2007
IEEE
211views Robotics» more  ICRA 2007»
13 years 11 months ago
Control Camera and Light Source Positions using Image Gradient Information
— In this paper, we propose an original approach to control camera position and/or lighting conditions in an environment using image gradient information. Our goal is to ensure a...
Éric Marchand
ICPR
2002
IEEE
13 years 9 months ago
Combining Kalman Filtering and Mean Shift for Real Time Eye Tracking under Active IR Illumination
Most eye trackers based on active IR illumination require distinctive bright pupil effect to work well. However, due to a variety of factors such as eye closure, eye occlusion, an...
Zhiwei Zhu, Qiang Ji, Kikuo Fujimura, Kuangchih Le...
ISUVR
2007
13 years 6 months ago
Light Source Estimation for Realistic Shadow using Segmented HDR Images
— To achieve seamless integration of the real scene with virtual objects, we need to obtain accurate illumination condition of the real scene. Using HDRI (High Dynamic Range Imag...
JaeDoug Yoo, Kwanheng Lee
ICCV
2003
IEEE
14 years 6 months ago
Adaptive Dynamic Range Imaging: Optical Control of Pixel Exposures Over Space and Time
This paper presents a new approach to imaging that significantly enhances the dynamic range of a camera. The key idea is to adapt the exposure of each pixel on the image detector,...
Shree K. Nayar, Vlad Branzoi