PPT-Lecture: Semantic Segmentation

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Juan Carlos Niebles and Ranjay Krishna Stanford Vision and Learning Lab What we will learn today Introduction to segmentation and clustering Gestalt theory for

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Lecture: Semantic Segmentation: Transcript

Juan Carlos Niebles and Ranjay Krishna Stanford Vision and Learning Lab What we will learn today Introduction to segmentation and clustering Gestalt theory for perceptual grouping Agglomerative clustering. Shuai Zheng, Ming-Ming Cheng, Jonathan Warrell, Paul Sturgess, Vibhav Vineet, Carsten Rother*, Philip H. S. Torr. Torr Vision Group, University of Oxford. *The . Technische Universität . Dresden. Traditional Goal. Computer Vision Lecture 13: Image Segmentation III. 1. Demo Website. I highly recommend taking a look at this website:. http://users.ecs.soton.ac.uk/msn/book/new_demo/. By: A’laa . Kryeem. Lecturer: . Hagit. Hel-Or. What is . Segmentation from . Examples. ?. Segment an image based on one (or more) correctly segmented image(s) assumed to be from the same . domain. Anurag Arnab. Collaborators: . sadeep. . Jayasumana. , . shuai. . zheng. , Philip . torr. Introduction. Semantic Segmentation. Labelling every pixel in an image. A key part of Scene Understanding. Second-Order Pooling. João Carreira. 1,2. , Rui Caseiro. 1. , Jorge Batista. 1. , Cristian Sminchisescu. 2. 1. . Institute of Systems and Robotics. ,. . University of Coimbra. 2. . Faculty of Mathematics and Natural . Mostajabi. , . Yadollahpour. . and . Shakhnarovich. Toyota . Technological Institute at Chicago. Main Ideas. Casting semantic segmentation as classifying a set of . superpixels. .. Extracting CNN features from different levels of spatial context around the . Mostajabi. , . Yadollahpour. . and . Shakhnarovich. Toyota . Technological Institute at Chicago. Main Ideas. Casting semantic segmentation as classifying a set of . superpixels. .. Extracting CNN features from different levels of spatial context around the . Paper by John McCormac, Ankur Handa, Andrew Davison, and Stefan Leutenegger Dyson Robotics Lab, Imperial College London. Presentation by Chris Conte. Hey robot, go fetch me a Twix from the snack bar. person 1. person 2. horse 1. horse 2. R-CNN: Regions with CNN features. Input. image. Extract region. proposals (~2k / image). Compute CNN. features. Classify regions. (linear SVM). Rich Feature Hierarchies for Accurate Object Detection and Semantic Segmentation. YIBO CAO Email: | LinkedI n : https://www.linkedin.com/in/yibo - cao - 28b06817b/ Tel: 412 - 708 - 5295 | Personal Webpage: https://yibo - cao.github.io/ EDUCATION Carnegie Mellon University Pitts person. grass. trees. motorbike. road. Evaluation metric. Pixel classification!. Accuracy?. Heavily unbalanced. Common classes are over-emphasized. Intersection over Union. Average across classes and images. Altered time for OH tomorrow: 9:00-10:00 am.. Please complete mid-semester feedback. Semantic Segmentation. The Task. person. grass. trees. motorbike. road. Evaluation metric. Pixel classification!. Accuracy?. Rushikesh. . Chopade. , Aditya . Stanam, University of Iowa. , & Shrikant Pawar.. Department of Geology and . GeophysicsIndian. Institute of Technology, . KharagpurKharagpur. West Bengal 721302 India . lecture 5. Blesa. Ibrahim . mohammed. . 1. Session Overview . Define segmentation . Describe bases of segmentation . Discuss targeting strategies . Describe positioning strategies . 2. The STP framework.

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