Data explorer
The 70 validation disks from the filament competition, with every layer that matters: the raw H-AlphaH-Alpha imagingcomputer visionSolar imaging through a 656.28nm filter — the wavelength hydrogen emits — which makes chromosphere structures like filaments visible as dark threads.full entry →GONG (NSO) image, the expert mask, where the annotators disagree with each other, and where our v1 model succeeds or fails — scored per image with Panoptic QualityPanoptic Quality (PQ)computer visionInstance-aware segmentation metric: sum of matched-pair IoUs over TP + ½FP + ½FN, where a prediction matches ground truth only if IoU > 0.5. All-or-nothing matching.full entry →arxiv 1801.00868 and sorted hardest-first, because the failures are where the learning is.
