Computer Vision

  1. Feature Detection and Description
    1. Fundamentals of Image Features
      1. Definition of Image Features
        1. Types of Features
          1. Edges
            1. Corners
              1. Blobs
                1. Ridges
                2. Feature Properties
                  1. Repeatability
                    1. Distinctiveness
                      1. Locality
                        1. Quantity
                          1. Accuracy
                            1. Efficiency
                          2. Edge Detection
                            1. Gradient-Based Methods
                              1. First-Order Derivatives
                                1. Sobel Operator
                                  1. Prewitt Operator
                                    1. Roberts Cross-Gradient
                                      1. Gradient Magnitude and Direction
                                      2. Second-Order Methods
                                        1. Laplacian Operator
                                          1. Laplacian of Gaussian
                                            1. Zero-Crossing Detection
                                            2. Canny Edge Detection
                                              1. Gaussian Smoothing
                                                1. Gradient Computation
                                                  1. Non-Maximum Suppression
                                                    1. Double Thresholding
                                                      1. Edge Linking by Hysteresis
                                                      2. Advanced Edge Detection
                                                        1. Multi-scale Edge Detection
                                                          1. Color Edge Detection
                                                        2. Corner and Interest Point Detection
                                                          1. Corner Detection Principles
                                                            1. Moravec Corner Detector
                                                              1. Harris Corner Detector
                                                                1. Corner Response Function
                                                                  1. Eigenvalue Analysis
                                                                    1. Non-Maximum Suppression
                                                                  2. Improved Corner Detectors
                                                                    1. Shi-Tomasi Corner Detector
                                                                      1. FAST Corner Detector
                                                                        1. AGAST Corner Detector
                                                                        2. Scale-Invariant Detection
                                                                          1. Scale-Space Theory
                                                                            1. Automatic Scale Selection
                                                                          2. Blob Detection
                                                                            1. Scale-Space Blob Detection
                                                                              1. Laplacian of Gaussian
                                                                                1. Difference of Gaussians
                                                                                  1. Scale Selection
                                                                                  2. Hessian-Based Detection
                                                                                    1. Determinant of Hessian
                                                                                      1. Trace of Hessian
                                                                                      2. Maximally Stable Extremal Regions
                                                                                      3. Local Feature Descriptors
                                                                                        1. SIFT Descriptor
                                                                                          1. Keypoint Localization
                                                                                            1. Orientation Assignment
                                                                                              1. Descriptor Construction
                                                                                                1. Matching Strategy
                                                                                                2. SURF Descriptor
                                                                                                  1. Integral Images
                                                                                                    1. Hessian Matrix Approximation
                                                                                                      1. Descriptor Computation
                                                                                                      2. Binary Descriptors
                                                                                                        1. BRIEF Descriptor
                                                                                                          1. ORB Descriptor
                                                                                                            1. BRISK Descriptor
                                                                                                              1. FREAK Descriptor
                                                                                                              2. HOG Descriptor
                                                                                                                1. Gradient Computation
                                                                                                                  1. Orientation Binning
                                                                                                                    1. Block Normalization
                                                                                                                      1. Feature Vector Construction
                                                                                                                      2. Feature Matching
                                                                                                                        1. Brute-Force Matching
                                                                                                                          1. FLANN-Based Matching
                                                                                                                            1. Ratio Test
                                                                                                                              1. Cross-Check Filtering
                                                                                                                                1. RANSAC for Outlier Removal

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                                                                                                                            3. Image Processing and Enhancement

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                                                                                                                            5. Image Segmentation