Function sam3_resolve_overlaps

sam3.cpp:9550–9570

Resolve overlapping masks: higher-scoring instances take priority.

// Resolve overlapping masks: higher-scoring instances take priority.
static void sam3_resolve_overlaps(std::vector<sam3_detection>& dets) {
    if (dets.size() <= 1) return;
    const int w = dets[0].mask.width;
    const int h = dets[0].mask.height;
    if (w == 0 || h == 0) return;
    std::sort(dets.begin(), dets.end(), [](const sam3_detection& a, const sam3_detection& b) {
        return a.score > b.score;
    });
    const int n = w * h;
    for (int i = 0; i < n; ++i) {
        bool claimed = false;
        for (auto& det : dets) {
            if (det.mask.data.empty()) continue;
            if (claimed) {
                det.mask.data[i] = 0;
            } else if (det.mask.data[i] > 127) {
                claimed = true;
            }
        }
    }
}

/*****************************************************************************
** Post-processing: NMS, bilinear interpolation, mask binarization