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Eye Tracking for Personalized Photography Steven Scher (UCSC student) James Davis (UCSC advisor) Sriram Swaminarayan (LANL advisor)
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Who’s Behind the Camera? Photo Creative Commons http://www.flickr.com/photos/jasonpratt
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Who’s Behind the Camera? Photo Creative Commons http://www.flickr.com/photos/scobleizer
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Human-Computer Hybrid Computation Photo Creative Commons http://www.flickr.com/photos/m500/ Photo Creative Commons http://www.flickr.com/photos/popculturegeek Photo Creative Commons http://www.flickr.com/photos/aloha75
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Human-Computer Hybrid Computation Semi-automated “Photoshop” effects Rotoscoping – Keyframe-Based Tracking for Rotoscoping and Animation Tone Mapping – Interactive local adjustment of tonal values
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Human-Computer Hybrid Computation Amazon Mechanical Turk Object Recognition as “20 questions” – Visual Recognition with Humans in the Loop Object Tracking – Efficiently Scaling Up Video Annotation with Crowdsourced Marketplaces
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Human-Computer Hybrid Computation Eyetrack-automated “Photoshop” effects Cropping – Gaze-Based Interaction for Semi-Automatic Photo Cropping
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Saliency: What is this a picture of?
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Automatic Saliency Detection Harel et al
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Saliency Itti, Koch, & Niebur A Model of Saliency-based Visual Attention for Rapid Scene Analysis Harel, Koch, & Perona Graph Based Visual Saliency Feature extraction Activation Normalization Summation
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Saliency: Who is this a picture of?
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Eye Tracking Half-Mirror Infrared camera Infrared Light
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Future Expectations: EyeTracker in Camera Viewfinder Viewfinder Camera
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Future Expectations: EyeTracker in Camera Viewfinder Canon EOS A2 “Eye Controlled Focus” 1992
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Photo Creative Commons http://www.flickr.com/photos/1080p/
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Eye Tracks (1kHz)
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Eye Tracking Seconds after finishing calibration Eye Tracking Error (pixels) on 800x600 screen
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Eye Tracks (1kHz)
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Gaussian Weighted According to Eyetracker’s Calibration accuracy
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Logarithmically Flattened
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Automatic Saliency Detection Itti et al
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Automatic Saliency Detection Harel et al
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Actual Eyetrack
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Automatic Saliency Detection Itti et al
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Automatic Saliency Detection Harel et al
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Actual Eyetrack
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Applications Selective DefocusContent-Aware Retargeting
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Applications Selective DefocusContent-Aware Retargeting
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Applications Selective DefocusContent-Aware Retargeting
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Applications Selective DefocusContent-Aware Retargeting
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Original Image
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Selectively Defocused
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Applications Selective DefocusContent-Aware Retargeting
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Content Aware Retargeting
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New Aspect Ratio
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Content Aware Retargeting
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Seam Carving Remove one pixel from each row
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New Aspect Ratio
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Original Image
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Simple Resizing
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Actual Eyetracks
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Eyetrack-based content-aware resizing
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Simple resizing
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Original Image
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Automatic Saliency
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Actual Eye Track
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Content-Aware Resizing Based on Automatic Saliency
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Content-Aware Resizing Based on Eye Tracks
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