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JEI
2007
102views more  JEI 2007»
13 years 10 months ago
Testing tone mapping operators with human-perceived reality
Abstract. A number of successful tone mapping operators for contrast compression have been proposed due to the need to visualize high dynamic range (HDR) images on low dynamic rang...
Akiko Yoshida, Volker Blanz, Karol Myszkowski, Han...
CVPR
2007
IEEE
14 years 2 months ago
Active Aperture Control and Sensor Modulation for Flexible Imaging
In the paper, we describe an optical system which is capable of providing external access to both the sensor and the lens aperture (i.e., projection center) of a conventional came...
Chunyu Gao, Narendra Ahuja, Hong Hua
ISUVR
2007
14 years 9 days 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
CGF
2008
85views more  CGF 2008»
13 years 11 months ago
Agile Spectrum Imaging: Programmable Wavelength Modulation for Cameras and Projectors
We advocate the use of quickly-adjustable, computer-controlled color spectra in photography, lighting and displays. We present an optical relay system that allows mechanical or el...
Ankit Mohan, Ramesh Raskar, Jack Tumblin
ICMCS
2005
IEEE
113views Multimedia» more  ICMCS 2005»
14 years 4 months ago
Network-Adaptive Frame-Expansion-Based Packet Video Coding for Erasure Channels
This paper proposes a novel error-resilient packet video coding method which is designed to operate on unreliable IP networks suffering from large bursts of packet losses. The mai...
Andrew G. Backhouse, Irene Y. H. Gu