GTÜElectronics Notes

Image Processing · Digital lecture note

Lecture 7 – Examples and image segmentation (edges, gradient, thresholding)

Görüntü İşleme – Örnekler ve Image Segmentation (kenar, gradyan, eşikleme)

Course
Image Processing (ELM463)
Semester
Semester 7 · Fall 2024–25
Format
PDF · 6 pages · 0.2 MB · handwriting-style LaTeX
Language
Turkish
Original note
Ders7.pdf

Open the PDF (0.2 MB)LaTeX source (.tex)Original handwritten note

Lecture 7 – Examples and image segmentation (edges, gradient, thresholding) – first page of the digital lecture note
Notice: The digital notes were created from the handwritten notes with the help of Claude (Anthropic); they are meant as a supplementary resource and may contain errors. Always rely on the original notes and the official course materials.

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(a) → Tüm bölgelerin toplamı image'ı oluşturmalı

(c) → Her bölgenin kendi pikselleri var

(f) varyanstan bulunabilir 3×3 pencereyle

double edge sonuç var

Sınırları belirlemek, bölgeyi bulmak için edge detection

(b) Merkezi bulabiliyor olman lazım

Zero crossing → pozitiften negatife geçişin olduğu yer

birinci dereceden türevinin mutlağı 1'den büyük olmalı

direction of gradient vector

iki ayrı görüntü var

Basic Intensity Tresholding

Global tek eşik

← Lecture 6 – Filtering in the frequency domain (Gaussian, Laplacian, homomorphic)Lecture 8 – Image thresholding →

← All Image Processing digital notes