IntroductionIntroduction

Analysis and applications of remote sensing imagery

Instructor: Dr. Cheng-Chien Liu

Department of Earth Sciences

National Cheng Kung University

Last updated: April 20, 2023

Chapter 0Chapter 0

Syllabus Syllabus

Course name: Course name: Analysis and applications of remote sensing imageryAnalysis and applications of remote sensing imagery

Credit: 3Credit: 3 Prerequisite: Prerequisite:

• Graduate students• Undergraduate students of the third or four year• Introduction to remote sensing• Digital image processing

Time:Time:• Wednesday 13:10 – 14:00• Thursday 10:10 – 12:00

Place:Place:• Remote sensing laboratory

Teaching Assistant:Teaching Assistant:

ObjectivesObjectives

Introduce studentsIntroduce students• The fundamental concepts of Analysis and

applications of remote sensing imagery• The training in a commercial software (ENVI) of

digital image processing

Students will learnStudents will learn• The techniques of enhancement and quantification of

digital imagery acquired by remote sensing

Students are expectedStudents are expected• Design and implement a practical project using

techniques/knowledge learned from this course

TextbookTextbook

Remote sensing and image interpretation, Remote sensing and image interpretation, 5th edition, T.M. Lillesand, R.W. Kiefer 5th edition, T.M. Lillesand, R.W. Kiefer and J.W. Chipman. John Wiley & Sons, and J.W. Chipman. John Wiley & Sons, 2004 2004 偉明代理（成大圖書部可代訂）偉明代理（成大圖書部可代訂）

ENVI Tutorials, 2003 edition, Research ENVI Tutorials, 2003 edition, Research System Inc, 2003.System Inc, 2003.

ReferencesReferences

Remote sensing, models, and methods Remote sensing, models, and methods for image processing, Robert A. for image processing, Robert A. Schowengerdt, second edition, San Schowengerdt, second edition, San Diego, Academic Press, 1997.Diego, Academic Press, 1997.

Introductory Digital Image Processing: Introductory Digital Image Processing: A Remote Sensing Perspective, John R. A Remote Sensing Perspective, John R. Jensen, second edition, Prentice Hall, Jensen, second edition, Prentice Hall, 1995.1995.

ScheduleSchedule

Introduction Introduction Image rectification and restorationImage rectification and restoration Image enhancementImage enhancement Image classificationImage classification Data merging and GIS integrationData merging and GIS integration Hyperspectral image analysisHyperspectral image analysis Scientific paper reading and term project reportScientific paper reading and term project report SAR processing and analysisSAR processing and analysis Programming in ENVIProgramming in ENVI

Some questionsSome questions

Who am I?Who am I?• http://mail.ncku.edu.tw/~ccliu88/

Why are we here?Why are we here?• You and I, …

Why exams?Why exams?• Acquire knowledge, …

Why taking lectures?Why taking lectures?• Save time and efforts, …

Why Lab evaluation?Why Lab evaluation?• Keep on the right track, …

ResponsesResponses

Lecture notes on webLecture notes on web Three ways to be master of AARSIThree ways to be master of AARSI• Practice• Practice• Practice

StrategyStrategy• Free access to the remote sensing lab (issue entry card)• 10 min on-site test every week• On-site (mid-term and final) exams• Monitoring student’s progress and grade

On-line report everybody’s grade every week

GradeGrade

Weekly on-site exams 60%Weekly on-site exams 60% Term project 40%Term project 40%• Base on at least one SCI paper

• A short essay

Laboratory RegulationLaboratory Regulation

No computer games, MP3, pornography, No computer games, MP3, pornography, DVD, movies or any illegal downloadsDVD, movies or any illegal downloads• The computers are endued with the most noble

mission of education

No food or drinkNo food or drink• The computers are neither hungry nor thirsty

Take off shoesTake off shoes• The computers got a delicate respiratory system

No changes of hardware or softwareNo changes of hardware or software• The computers like the way they are

Enforcement of RegulationEnforcement of Regulation

Those who have the privilege of using Those who have the privilege of using the lab have the responsibility to report the lab have the responsibility to report any violation of regulationany violation of regulation

Camera systemCamera system Computer log fileComputer log file Laboratory headLaboratory head• Take in charge of this lab

• Take all responsibilities

Violation of RegulationViolation of Regulation

One violation, three pointsOne violation, three points Five points, revoke entry cardFive points, revoke entry card Stay with any violation without report, Stay with any violation without report,

one point eachone point each Penalty of losing or damaging entry Penalty of losing or damaging entry

card: NT 500card: NT 500

Limitation of student numberLimitation of student number

2020 Deliberate before taking this courseDeliberate before taking this course We still have chances in the futureWe still have chances in the future

Office hoursOffice hours

Monday: 14:00 – 17:00Monday: 14:00 – 17:00 Wednesday: 15:00 – 17:00Wednesday: 15:00 – 17:00 Friday: TGIF partyFriday: TGIF party Anytime if necessaryAnytime if necessary

Some issuesSome issues

RepresentativeRepresentative• Textbook• Email

Name, Student ID number, Department/Year, Cell phone number, email address, (advisor’s name)

Introduce yourselfIntroduce yourself• Why take this course• Background (computing)• Research interests• Accessible computer resources

Getting start with ENVIGetting start with ENVI

Start ENVIStart ENVI Disk locationDisk location Load a gray scale imageLoad a gray scale image ENVI file formatENVI file format• Band sequential (BSQ)• Band interleaved by Pixel (BIP)• Band interleaved by Line (BIL)

DisplayDisplay• Scroll window• Image window• Zoom window

Getting start with ENVI (cont.)Getting start with ENVI (cont.)

Main image display menu barMain image display menu bar Available band listAvailable band list Mouse bottomMouse bottom Cursor locationCursor location Contrast stretchContrast stretch• Enhance

LinearEqualizationInteractive

Color mapColor map AnimationAnimation

Getting start with ENVI (cont.)Getting start with ENVI (cont.)

Scatter plotsScatter plots Region of interestRegion of interest Load a color composite imageLoad a color composite image ClassificationClassification Dynamic linkDynamic link AnnotationAnnotation Grid linesGrid lines Save and outputSave and output ExitExit