Visual Saliency Detection - PowerPoint PPT Presentation

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Visual Saliency Detection

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  1. Visual Saliency Detection REU Student: LaTia Jefferson Graduate Student: NasimSouly

  2. Visual Salience • Definition • Background research • Human visual system • General saliency • Orientation (scanning process) • Bottom-up versus top-down • Importance • Decreasing the amount of information to process

  3. Articles • Incremental Sparse Saliency Detection • Yin Li ICIP 2009 • Visual Saliency Detection via Sparsity Pursuit • Junchi Yan IEFE 2010 • Visual Attention Detection in Video Sequences Using Spatiotemporal Cues • YunZhai, Dr. Muarak Shah, UCF

  4. Current Research Questions • How to represent 3-dimensional saliency from film or video clips? • How does the HVS model saliency in video? • What are the key parts of attention in video?

  5. Next Steps • Coding in Matlab • Starting to vectorize patches and find filters/features for the cuboids • Using the sparse representation package OMP Box • Read relevant articles • Psychology of video salience • Calculating salience in other ways