Abstract: Position-Based Visual Servoing (PBVS) is a widely used technique for UAV control, enabling precise motion based on visual feedback. This paper presents a nonlinear control strategy based on ...

25 years ago, Jianbo Shi introduced Normalized Cuts (spectral clustering), a graph-theoretic approach to perceptual grouping that became a staple in unsupervised image segmentation. While the original ...

Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...