AUDIO COMPRESSION AUDIO COMPRESSION Dr. – CS576 Lecture 7 10/18/2021 Page 1 TOPICS TO BE COVERED TOPICS TO BE COVERED Introduction • Characteristics of Sound and Audio Signals • Applications • Waveform Sampling and Compression Types of Sound Compression techniques • Sound is a Waveform – generic schemes • Sound is Perceived – psychoacoustics • […]
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Subject Overview & Introduction to Cybersecurity COMP90073 Security Analytics Dr. & Dr. , CIS Semester 2, 2021 COMP90073 Security Analytics © University of Melbourne 2021 General Information Lecturers: • Dr , MC Level 3, Room 3.3321, • Dr , Tutor: • Yujing Mark Jiang, Lectures: • Tuesdays and Thursdays, 14:15–15:15pm, Zoom Tutorials: (per your registration)
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University of Toronto, Department of Computer Science CSC 2501F—Computational Linguistics, Fall 2021 Reading assignment 3 Due date: Electronically by 12:10, Friday 15th October 2021. Late write-ups will not be accepted without documentation of a medical or other emergency. This assignment is worth 5% of your final grade. What to read , “Formal grammar and information
INTRODUCTION Dr. – CS576 Lecture 3 9/20/2021 Page 1 IINNFFOORRMMAATTIIOONN TTHHEEOORRYY && GGEENNEERRIICC CCOOMMPPRREESSSSIIOONN TTEECCHHNNIIQQUUEESS Dr. – CS576 Lecture 3 9/20/2021 Page 2 TTOOPPIICCSS TTOO BBEE CCOOVVEERREEDD Need for Compression Data Sources and Information Representation Overview of Lossless Compression Techniques Overview of Lossy Compression Techniques Dr. – CS576 Lecture 3 9/20/2021 Page 3 NNEEEEDD FFOORR
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INTRODUCTION Dr. – CS576 Lecture 5 Page 1 IIMMAAGGEESS –– CCOOMMPPRREESSSSIIOONN AANNDD DDIITTHHEERRIINNGG Dr. – CS576 Lecture 5 Page 2 TTOOPPIICCSS TTOO BBEE CCOOVVEERREEDD Introduction • Image Types • Image Representation • Applications where images are used Need for Compression and Standards Overview of Image Compression Algorithms and Formats JPEG • Needs and Requirements •
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SECTION A. Answer each of the following questions [ Marks per questions as shown; 25% total ] 1. (12 points) Suppose X and Y are random variables with the following joint distribution: Compute each of the following, showing all your working. Copyright By PowCoder代写 加微信 powcoder (a) (2 points) Compute the marginal distributions of X
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COMP2610/COMP6261 – Information Theory Tutorial 4: Entropy and Information Young Lee and Tutors: and Week 5 (21st – 25th August), Semester 2, 2017 Copyright By PowCoder代写 加微信 powcoder 1. Suppose Y is a geometric random variable, Y ~ Geom(y) . i.e., Y has probability function P(Y =y)=p(1−p)y−1, y=1,2,… Determine the mean and variance of the
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CM30173: Cryptography eserved@d =[@let@token art IV CM30173: Cryptography Part IV New directions in cryptography Idea 1: A public-key cryptosystem Idea 2: A signature scheme Idea 3: Public-key distribution scheme RSA Mathematical background Part V Public-key cryptography CM30173: Cryptography Part IV New directions in cryptography Idea 1: A public-key cryptosystem Idea 2: A signature scheme Idea
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2a: Probability, Generalization and Over�tting Week 2: Overview In this module, we will brie�y review certain topics from probability which are essential for deep learning, and we will introduce the issue of generalization and over�tting in supervised learning. We will then discuss cross entropy and softmax, which are used for classi�cation tasks as alternatives to