Introduction Materi Minggu 1 – Pendahuluan Sistem Multimedia – Casi Setianingsih

Sistem Multimedia
- Signal Processing
- Image Processing
- Audio Processing
- Video Processing

Sistem Multimedia

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.



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


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

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


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:


monitors, speakers, printer

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)

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.

Image Processing
Bagaimana komputer melihat?

Key Stages in Digital Image Processing

Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation

& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Image Aquisition
Image
Restoration

Morphological
Processing

Image
Enhancement


Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)


Key Stages in Digital Image Processing:
Image Enhancement
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain


Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Image Restoration
Image
Restoration

Morphological
Processing

Image

Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression


taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Morphological Processing
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Segmentation
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Object Recognition
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Representation & Description
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

Key Stages in Digital Image Processing:
Image Compression
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

taken from Gonzalez & Woods, Digital Image Processing (2002)

Key Stages in Digital Image Processing:
Colour Image Processing
Image
Restoration

Morphological
Processing

Image
Enhancement

Segmentation

Image
Acquisition

Object
Recognition

Problem Domain

Representation
& Description
Colour Image
Processing

Image
Compression

Aplikasi dari Image Processing

Document Handling

Signature Verification

Biometrics

Fingerprint Verification /
Identification

Fingerprint Identification Research
at UNR
Minutiae

Delaunay Triangulation

Matching

Object Recognition

Object Recognition Research
reference view 1

reference view 2

novel view recognized

Indexing into Databases
Shape content

Indexing into Databases (cont’d)
Color, texture

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

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

Autonomous Vehicles
Land, Underwater, Space

Traffic Monitoring

Face Detection

Face Recognition

Facial Expression Recognition

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

Human Activity Recognition

Medical Applications
skin cancer

breast cancer

Morphing

Inserting Artificial Objects into a
Scene

Virtual Reality & Motion
Tracking