from typing import List


def filter_result_by_tag(image_data: list, tag: str) -> List:
    """
    filters the search result by the given tag
    :param image_data: list of dict. the raw data from TID repo
    :param tag: the tag to apply filter
    :return: list of dict. filtered dict 
    """
    return [image for image in image_data if tag in image["tags"]]