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Understanding Temporal Variations in Outdoor Scenes Using Webcam Data

This paper presents a novel approach to analyzing consistent temporal variations in outdoor scenes through the use of webcam imagery. It explores how satellite images can be predicted from webcam data, emphasizing the importance of camera calibration and scene analysis. Key discussions include related works on outdoor scene analysis, clustering appearance, time-lapse video, and radiometric calibration. The findings highlight the potential of webcams for scientific applications in understanding environmental changes and enhancing the accuracy of outdoor scene interpretations.

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Understanding Temporal Variations in Outdoor Scenes Using Webcam Data

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  1. Canonical Day Components “Consistent Temporal Variations in Many Outdoor Scenes” Jacobs, Roman, Pless, CVPR 2007

  2. Predicting satellite images from webcams

  3. camera calibration Bouguet

  4. segue Robert’s talk: Let’s use webcams for science. Nathan’s talk: Let’s learn some things about the camera first.

  5. Related Work • WILD database • All the Images of an Outdoor Scene, Narasimhan, Wang, Nayar, ECCV 2002 • “Clustering Appearance for Scene Analysis”, Koppal, Narasimhan, CVPR 2006 • Time Lapse • Factored Time-Lapse Video, Sunkavalli, Matusik, Pfister, Rusinkiewicz, SIGGRAPH 2007. • What do Color Changes Reveal about an Outdoor Scene?, Sunkavalli, Romeiro, Matusik, Zickler, Pfister, CVPR 2008 • Radiometric Calibration with Illumination Change for Outdoor Scene Analysis, Kim, Frahm, Pollefeys, CVPR 2008.

  6. Relative Camera Localization The linear relationship between distance and canonical correlation.

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