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Roles of local and global information in image classification Devi Parikh
Coast HighwayMountain Street Forest Inside cityOpen country Tall buildings BathroomBedroomDining roomGym KitchenLiving roomMovie theater Stair case Aeroplane Car-rearFace Ketch Motorbike Watch OSR ISR CAL 2
Jumbled Images 3
Human Study: Intact Images
Human Study: Jumbled Images
Human Recognition of Jumbled Images Accuracy 6
How do we recognize them? Majority Vote of Local Independent Decisions? MRF Inference? … Are existing machine implementations of this model good enough? 7
Human Studies: Individual Blocks 8
Human Recognition of Individual Blocks Accuracy 9
Machine Experiments Assign blocks to codewords Accumulate p(scene|codewords) Pick class with highest votes
Majority Vote Results Proportion of matched responses 11
Classification of Jumbled Images Accuracy Need advanced modeling of global information 12
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Chapter 4: Pattern Recognition. Classification is a process that assigns a label to an object according to some representation of the object’s properties.
Image classification Given the bag-of-features representations of images from different classes, how do we learn a model for distinguishing them?
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Terms to know by the end of the unit: Image obtained from:
Presenting by Sara Gholami. Iran formerly known as Persia, is one of the world’s oldest continuous major civilizations. Iran has great tourist attractions.
Attributes for Classifier Feedback Amar Parkash and Devi Parikh.
Relative Attributes Presenter: Shuai Zheng (Kyle) Supervised by Philip H.S. Torr Author: Devi Parikh (TTI-Chicago) and Kristen Grauman (UT-Austin)
1 Pattern Recognition Pattern recognition is: 1. A research area in which patterns in data are found, recognized, discovered, …whatever. 2. A catchall.
Artificial Neural Networks
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Ensemble Learning: An Introduction
My name is Dustin Boswell and I will be presenting: Ensemble Methods in Machine Learning by Thomas G. Dietterich Oregon State University, Corvallis, Oregon.
Discriminative and generative methods for bags of features
Why spend a day at an AMC Theater?. Hundreds of movies Watch any movie at any time Movies available in Dine-in, Imax, AMC Independent, sensory friendly,
Hough Transform Procedure to find a shape in an image Shape can be described in parametric form Shapes in image correspond to a family of parametric solutions.
A PPLICATIONS OF TOPIC MODELS Daphna Weinshall B Slides credit: Joseph Sivic, Li Fei-Fei, Brian Russel and others.
Global localization of 3D anatomical structures by pre-filtered Hough Forests and discrete optimization Speaker: Longwei Fang Date: 8/July,2016.
Sampling: The Hows and Whys Driven to Discover Enabling Student Inquiry through Citizen Science Driven to Discover Enabling Student Inquiry through Citizen.
The Role of Features, Algorithms and Data in Visual Recognition Reporter: WuBin Data:
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