def __init__(self, api_key, query, image_filters='<STR_LIT>', safe=False, custom_params='<STR_LIT>'):
PyBingSearch.__init__(self, api_key, query, self.IMAGE_QUERY_BASE + custom_params, safe=safe)<EOL>self.image_filters = image_filters<EOL>
:param image_filters: Array of strings that filter the response the API sends based on size, aspect,
color, style, face or any combination thereof.

Valid values are:
 - Size:Small, Size:Medium, Size:Large, Size:Width:[Width], Size:Height:[Height]
 - Aspect:Square, Aspect:Wide, Aspect:Tall
 - Color:Color, Color:Monochrome
 - Style:Photo, Style:Graphics, Face:Face, Face:Portrait, Face:Other

Value like: Size:Small+Aspect:Square