## Description Implement hierarchical graph pooling to capture features at multiple spatial scales. ## Tasks - [ ] Add DiffPool or SAGPool layer - [ ] Experiment with 2-level and 3-level hierarchies - [ ] Compare IoU against flat GraphSAGE baseline ## References - Ying et al. (2018) *Hierarchical Graph Representation Learning* - Lee et al. (2019) *Self-Attention Graph Pooling*
Description
Implement hierarchical graph pooling to capture features at multiple spatial scales.
Tasks
References