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Volume 5

The Optical Flow Revolution

Mastering GPS-Denied Navigation Through Visual Odometry and Texture Tracking

Navigate the world when the satellites go dark.

Strategic Objectives

• Master the fundamentals of bio-inspired movement detection.

• Implement robust visual odometry without expensive inertial sensors.

• Build navigation systems that thrive in indoors and urban canyons.

• Optimize hardware-software integration for real-time edge processing.

The Core Challenge

Traditional drones and robots fail when GPS signals are blocked or jammed, leaving autonomous systems blind and drifting.

01

The Genesis of Motion Vision

02

Navigating Without Satellites

03

Bio-Inspired Engineering

04

The Hardware of Sight

05

Texture and Contrast

06

The Lucas-Kanade Method

07

Global Flow Dynamics

08

Feature Detection and Tracking

09

Visual Odometry Fundamentals

10

The Role of Microcontrollers

11

Lenses and Field of View

12

Egomotion and Self-Awareness

13

Dealing with Motion Blur

14

Illumination and Exposure

15

Structure from Motion

16

Epipolar Geometry

17

Sensor Fusion (Without IMU)

18

Scale Ambiguity

19

Real-Time Constraints

20

Testing and Calibration

21

The Future of Visual Navigation

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