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Signal Processing Image Processing Audio Processing Video Processing

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Presentasi berjudul: "Signal Processing Image Processing Audio Processing Video Processing"— Transcript presentasi:

1 Signal Processing Image Processing Audio Processing Video Processing
Sistem Multimedia Signal Processing Image Processing Audio Processing Video Processing

2 Sistem Multimedia

3 Istilah “Multimedia” Terdiri dari dua bagian :
Multi (multus) : “numerous, multiple” Media (medium): “middle, center”. Agen untuk sesuatu, digunakan untuk mendistribusikan dan merepresentasikan informasi. Secara umum, multimedia dapat didefinisikan sebagai penggunaan multiple agent (agen ganda) seperti teks, audio, video, citra untuk mengirimkan dan mempresentasikan informasi kepada pengguna.

4 Istilah “Media” Dapat dikategorikan menjadi beberapa kriteria :
Perception media Representation media Presentation media Storage media Transmission media

5 Perception Media “Bagaimana manusia memperoleh informasi”
Kita memperoleh informasi dari apa yang kita lihat dan apa yang kita dengar Media Visual: Text, graphics, images, video Media Audio: Music, sound and voice

6 Representation Media “Bagaimana informasi diencode di dalam komputer”
Bagaimana informasi direpresentasikan secara internal kepada komputer. Beberapa Pilihan : Text is encoded in ASCII An audio data stream in PCM (Pulse Coded Modulation) Image in JPEG format Video in MPEG format

7 Presentation Media “Media apa yang digunakan untuk memasukkan ke komputer dan mengeluarkan informasi dari komputer” Merujuk ke device-device fisik yang digunakan sistem untuk mereproduksi informasi untuk manusia, misal device audio dan device visual. Input: Keyboards, cameras, microphone, Head Mounted Device (for VR input) Output: Paper, monitors, loudspeakers

8 Storage Media “Dimana informasi disimpan”
Merujuk ke berbagai macam benda yang menyimpan data komputer, seperti magnetic tapes, magnetic disks, or digital optical disks (CD-ROM, CD, DVD)

9 Transmission Media “Media yang digunakan untuk mentransmisikan data”
Merujuk ke benda fisik seperti berbagai jenis kabel, (coaxial cable, twisted pair, fiber optics), radio tower, satellite – yang mentransmisikan sinyal telekomunikasi. Perbedaan antara media transmisi dan media penyimpanan adalah kapabilitas untuk mentransfer dara secara kontinyu melalui jaringan komputer.

10 Bagaimana komputer melihat?
Image Processing Bagaimana komputer melihat?

11 Key Stages in Digital Image Processing
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Representation & Description Problem Domain Colour Image Processing Image Compression

12 Key Stages in Digital Image Processing: Image Aquisition
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

13 Key Stages in Digital Image Processing: Image Enhancement
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

14 Key Stages in Digital Image Processing: Image Restoration
Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

15 Key Stages in Digital Image Processing: Morphological Processing
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

16 Key Stages in Digital Image Processing: Segmentation
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

17 Key Stages in Digital Image Processing: Object Recognition
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

18 Key Stages in Digital Image Processing: Representation & Description
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

19 Key Stages in Digital Image Processing: Image Compression
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Representation & Description Problem Domain Colour Image Processing Image Compression

20 Key Stages in Digital Image Processing: Colour Image Processing
Image Restoration Morphological Processing Image Enhancement Segmentation Image Acquisition Object Recognition Images taken from Gonzalez & Woods, Digital Image Processing (2002) Representation & Description Problem Domain Colour Image Processing Image Compression

21 Aplikasi dari Image Processing

22 Document Handling

23 Signature Verification

24 Biometrics

25 Fingerprint Verification / Identification

26 Fingerprint Identification Research at UNR
Minutiae Matching Delaunay Triangulation

27 Object Recognition

28 Object Recognition Research
reference view reference view 2 novel view recognized

29 Indexing into Databases
Shape content

30 Indexing into Databases (cont’d)
Color, texture

31 Target Recognition Department of Defense (Army, Airforce, Navy)

32 Interpretation of Aerial Photography
Interpretation of aerial photography is a problem domain in both computer vision and registration.

33 Autonomous Vehicles Land, Underwater, Space

34 Traffic Monitoring

35 Face Detection

36 Face Recognition

37 Face Detection/Recognition Research at UNR

38 Facial Expression Recognition

39 Face Tracking

40 Face Tracking (cont’d)

41 Hand Gesture Recognition
Smart Human-Computer User Interfaces Sign Language Recognition

42 Human Activity Recognition

43 Medical Applications skin cancer breast cancer

44 Morphing

45 Inserting Artificial Objects into a Scene

46 Virtual Reality & Motion Tracking


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