Exam Review - Stanford Computer Vision Labvision.stanford.edu/.../lectures/exam_overview.pdf ·...

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Exam Review 3-Dec-15Ranjay Krishna

Exam ReviewRanjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Basic Exam Facts

Exam Review 3-Dec-15Ranjay Krishna

Exam2015.12.073:30pm-6:30pmMudd Chemistry Building LEC

Note: one single-sided 8.5x11" sheet of notes is allowed in the final.

Exam Review 3-Dec-15Ranjay Krishna

15 True False Questions (30 minutes)

15 Multiple Choice Questions (30 minutes)

4 Short Answer Questions with 4 sub parts each. (90 minutes)

Exam Layout

Exam Review 3-Dec-15Ranjay Krishna

Recognizing Faces and Objects

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

K = 1 K = 3

Overfitting vs. Underfitting

Exam Review 3-Dec-15Ranjay Krishna

Decision Boundaries

Exam Review 3-Dec-15Ranjay Krishna

Other Issues• Dimension of features• Normalization?• Size of training dataset

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Target Variance• More data• Regularize

Target Bias??

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Regions of Images, and Segmentation

Exam Review 3-Dec-15Ranjay Krishna

Segmentation

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

You should be able to understand the clusters formed would be different with different definitions of what a cluster means.

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

K-means Issues• How do you pick the number of clusters?• How do you prevent a bad local minima?• How do you choose what features to use?

Color or location or maybe something else?

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Pixels and Features

Exam Review 3-Dec-15Ranjay Krishna

Convolution

Exam Review 3-Dec-15Ranjay Krishna

Convolution

Exam Review 3-Dec-15Ranjay Krishna

Moving Average

Exam Review 3-Dec-15Ranjay Krishna

Thresholding

Exam Review 3-Dec-15Ranjay Krishna

Linear Systems

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Cross Correlation

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Edge DetectionHow does Canny Edge Detector work?

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Image Matching

Exam Review 3-Dec-15Ranjay Krishna

Image Matching

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Harris Detector

Exam Review 3-Dec-15Ranjay Krishna

SIFTScale Invariant

Exam Review 3-Dec-15Ranjay Krishna

Camera

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Exam Review 3-Dec-15Ranjay Krishna

Future Research

Exam Review 3-Dec-15Ranjay Krishna

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