skeleton for data transformation
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1 files added
| | |
| | | import sys |
| | | import numpy as np |
| | | import pandas as pd |
| | | from transform_data import ExtractedObject |
| | | |
| | | # Referenced from geaxgx's playing-card-detection: https://github.com/geaxgx/playing-card-detection |
| | | class Backgrounds: |
| | |
| | | |
| | | |
| | | def apply_bounding_box(img, card_info, display=False): |
| | | # List of (object class, bounding box pts) pair of each objects |
| | | object_info_list = [] |
| | | # List of detected objects to be fed into the neural net |
| | | # The first object is the entire card |
| | | detected_object_list = [ExtractedObject('card', [(0, 0), (len(img[0]), 0), (len(img[0]), len(img)), (0, len(img))])] |
| | | # Mana symbol - They are located on the top right side of the card, next to the name |
| | | # Their position is stationary, and is right-aligned. |
| | | has_mana_cost = isinstance(card_info['mana_cost'], str) # Cards with no mana cost will have nan |
| | |
| | | # Append them to the list of bounding box with the appropriate label |
| | | symbol_name = 'mana_symbol:' + mana_cost[i] |
| | | key_pts = [(x1, y1), (x2, y1), (x2, y2), (x1, y2)] |
| | | object_info_list.append((symbol_name, key_pts)) |
| | | detected_object_list.append(ExtractedObject(symbol_name, key_pts)) |
| | | |
| | | if display: |
| | | img_symbol = img[y1:y2, x1:x2] |
| | |
| | | # Append them to the list of bounding box with the appropriate label |
| | | symbol_name = 'set_symbol:' + card_info['set'] |
| | | key_pts = [(x1, y1), (x2, y1), (x2, y2), (x1, y2)] |
| | | object_info_list.append((symbol_name, key_pts)) |
| | | detected_object_list.append(ExtractedObject(symbol_name, key_pts)) |
| | | |
| | | if display: |
| | | img_symbol = img[y1:y2, x1:x2] |
| | |
| | | |
| | | # Image box - the large image on the top half of the card |
| | | # TODO |
| | | return object_info_list |
| | | return detected_object_list |
| | | |
| | | |
| | | def main(): |
| | |
| | | if card_img is None: |
| | | fetch_data.fetch_card_image(card_info, out_dir='../usb/data/png/%s' % card_info['set']) |
| | | card_img = cv2.imread(img_name) |
| | | object_list_info = apply_bounding_box(card_img, card_info, display=True) |
| | | print(object_list_info) |
| | | detected_object_list = apply_bounding_box(card_img, card_info, display=True) |
| | | print(detected_object_list) |
| | | return |
| | | |
| | | |
| New file |
| | |
| | | |
| | | |
| | | class ImageGenerator: |
| | | """ |
| | | A template for generating a training image. |
| | | """ |
| | | def __init__(self, img_bg, cards): |
| | | """ |
| | | :param img_bg: background (textile) image |
| | | :param cards: list of Card objects |
| | | """ |
| | | self._img_bg = img_bg |
| | | self._cards = cards |
| | | self._img_result = None |
| | | pass |
| | | |
| | | def generate_horizontal_span(self): |
| | | """ |
| | | Generating the first scenario where the cards are laid out in a straight horizontal line |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | def generate_vertical_span(self): |
| | | """ |
| | | Generating the second scenario where the cards are laid out in a straight vertical line |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | def generate_fan_out(self): |
| | | """ |
| | | Generating the third scenario where the cards are laid out in a fan shape |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | def export_training_data(self, out_dir): |
| | | """ |
| | | Export the generated training image along with the txt file for all bounding boxes |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | |
| | | class Card: |
| | | """ |
| | | A class for storing required information about a card in relation to the ImageGenerator |
| | | """ |
| | | def __init__(self, img, card_info, objects, generator=None, x=None, y=None, theta=None): |
| | | """ |
| | | :param img: image of the card |
| | | :param card_info: details like name, mana cost, type, set, etc |
| | | :param objects: list of ExtractedObjects like mana & set symbol, etc |
| | | :param generator: ImageGenerator object that the card is bound to |
| | | :param x: X-coordinate of the card's centre in relation to the generator |
| | | :param y: Y-coordinate of the card's centre in relation to the generator |
| | | :param theta: angle of rotation of the card in relation to the generator |
| | | """ |
| | | self._img = img |
| | | self._info = card_info |
| | | self._objects = objects |
| | | self._x = x |
| | | self._y = y |
| | | self._theta = theta |
| | | pass |
| | | |
| | | def bind_to_generator(self, generator, x=0, y=0, theta=0): |
| | | """ |
| | | Bind this card to an ImageGenerator object. |
| | | :param generator: generator to be bound with |
| | | :param x: new X-coordinate for the centre of the card |
| | | :param y: new Y-coordinate for the centre of the card |
| | | :param theta: new angle for the card |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | def shift(self, x=None, y=None): |
| | | """ |
| | | Apply a X/Y translation on this image |
| | | :param x: amount of X-translation. If range is given, translate by a random amount within that range |
| | | :param y: amount of Y-translation. Refer to x when a range is given. |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | def rotate(self, centre, theta=None): |
| | | """ |
| | | Apply a rotation on this image with a centre |
| | | :param centre: coordinate of the centre of the rotation in relation to the centre of this card (self._x, self._y) |
| | | :param theta: amount of rotation in radian. If a range is given, rotate by a random amount within that range |
| | | :return: none |
| | | """ |
| | | pass |
| | | |
| | | |
| | | class ExtractedObject: |
| | | """ |
| | | Simple struct to hold information about an extracted object |
| | | """ |
| | | def __init__(self, label, key_pts): |
| | | self._label = label |
| | | self._key_pts = key_pts |
| | | |
| | | |
| | | def main(): |
| | | pass |
| | | |
| | | |
| | | if __name__ == '__main__': |
| | | main() |