Storm Field Isocontours (Temp & Pressure)
Dual panels of outline and filled contours via marching squares.
Shawn's Dev Corner
RANSAC, Homography Estimation, and Keypoint Matching
Applying RANSAC to fit a line and improve keypoint matching, implementing Direct Linear Transform (DLT) for homography computation, and evaluating accuracy both with synthetic and real image data.
CIFAR-10 Image Classification
K-Nearest Neighbors, Support Vector Machine, Softmax, and a two-layer neural network on the CIFAR-10 dataset using NumPy.
Treemap Layout Modes (Flare Dataset)
Compare size, count, and best-fit partitioning strategies.
K-Means Image Segmentation with RGB, Position, and Texture Features
Applying K-means clustering to perform image segmentation using RGB values, spatial position, and texture-based features. The impact of weighting and feature combinations is explored and visualized.
Iris Flower Parallel Coordinates Explorer
Swappable axes with per-dimension brushes for filtering Iris flower measurements.
SIFT Feature Matching, Error Metrics, and Lowe Ratio Filtering
Keypoint matching using SIFT descriptors, comparing different similarity metrics, applying Lowe ratio filtering, and evaluating performance using a confusion matrix.
PCA & Naive Bayes Implementations
Principal Component Analysis on Handwritten Digits and Naive Bayes Text Classifier.
Image Gradient, Edge Detection, and Gaussian Filtering
Exploring image gradient computation, edge detection with thresholding, Gaussian smoothing, and efficiency of separable filtering via 1D convolutions.
Color Constancy and Illuminant Estimation
Exploring the color constancy problem, implementing illuminant color estimation techniques, and evaluating image correction quality using both angular and RMS error metrics.