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Lecture 3: Loss Functions and Optimization

Lecture 3: Loss Functions and Optimization Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - 1 April 11, 2017 . Administrative Assignment 1 is released: Due Thursday April 20, 11:59pm on Canvas (Extending due date since it was released late). Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - 2 April 11, 2017 . Administrative Check out Project Ideas on Piazza Schedule for Office hours is on the course website TA specialties are posted on Piazza Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - 3 April 11, 2017 . Administrative Details about redeeming Google Cloud Credits should go out today;. will be posted on Piazza $100 per student to use for homeworks and projects Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - 4 April 11, 2017 . Recall from last time: Challenges of recognition Viewpoint Illumination Deformation Occlusion This image by Umberto Salvagnin This image is CC0 public domain This image by jonsson is licensed is licensed under CC-BY under CC-BY Clutter Intraclass Variation This image is CC0 public domain This image is CC0 public domain Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - 5 April 11, 2017 .

Fei-Fei Li & Justin Johnson & Serena Yeung Lecture 3 - April 11, 2017 12 cat frog car 3.2 5.1-1.7 4.9 1.3 2.0 -3.1 2.5 2.2 Suppose: 3 training examples, 3 classes. With some W the scores are: Multiclass SVM loss: Given an example where is the image and where is the (integer) label, and using the shorthand for the

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