Function valid

datasets/build.py:93–102

(anns)

    num_before = len(dataset_dicts)

    def valid(anns):
        for ann in anns:
            if isinstance(ann, list):
                for instance in ann:
                    if instance.get("iscrowd", 0) == 0:
                        return True
            else:
                if ann.get("iscrowd", 0) == 0:
                    return True
        return False

    dataset_dicts = [x for x in dataset_dicts if valid(x["annotations"])]
    num_after = len(dataset_dicts)