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๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors

Course: Computer Vision โ€” Topic 33 of Section 4: Object Detection Level: โญโญโญโญ Advanced Prev:โ€ฆ

Overview
๐ŸŒŸ

๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors โ€” Quick Facts

๐Ÿ“Œ

Model: Year

๐ŸŽฏ

R-CNN: 2014

โšก

Fast R-CNN: 2015

๐Ÿ”‘

Faster R-CNN: 2015

Topic 1
๐Ÿ“š

๐ŸŽฏ Overview

๐Ÿ’ก

Two-stage detectors: pehleโ€ฆ

๐Ÿ”‘

R-CNN โ†’ Fast R-CNN โ†’ Faster R-CNNโ€ฆ

โšก

Stage 1: Region Proposal Networkโ€ฆ

๐ŸŽฏ

Stage 2: RoI Head โ€” "woh objectโ€ฆ

Topic 2
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“ R-CNN Family Evolution

๐Ÿ’ก ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ R-CNN FAMILYโ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ Faster R-CNN โ€” Complete Implementation

๐Ÿ’ก

K anchors (3 scales ร— 3 ratios = 9)

๐Ÿ”‘

Per anchor: 2 scores (object/not)โ€ฆ

Topic 4
โœจ

๐Ÿ“Š R-CNN Family Comparison

โญ | Model | Year | Speed | Proposals | Key Innovation |โ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

โ“ Quiz โ€” 5 MCQs

๐Ÿ’ก

A) Image resize karna

๐Ÿ”‘

B) Object proposals generate karnaโ€ฆ

โšก

C) Final classification karna

๐ŸŽฏ

D) Training data create karna

Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ”— Navigation

โœจ โฌ…๏ธ Previous: 32-SSD-RetinaNet.md | โžก๏ธ Next: 34-Feature-Pyramid-Networks.md Pro Tip: ๐Ÿ›๏ธโ€ฆ
Comparison
โœจ

๐Ÿ“Š R-CNN Family Comparison

โš–๏ธ

R-CNN: 2014

โš–๏ธ

Fast R-CNN: 2015

โš–๏ธ

Faster R-CNN: 2015

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors ka sabse sahi definition kya hai?

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 2

๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors ka 'R-CNN' kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors Complete!

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๐Ÿ›๏ธ Topic 33: Faster R-CNN & Two-Stage Detectors Complete

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