193 lines
6.4 KiB
Python
193 lines
6.4 KiB
Python
import sys
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import warnings
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from datetime import datetime
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from typing import List, Tuple
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import cv2
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import matplotlib.pyplot as plt
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import numpy as np
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from sklearn.exceptions import DataConversionWarning
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import runner
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from util import load_classifier, PIECE, COLOR, POSITION, Board, Squares, PieceAndColor, OUR_PIECES
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warnings.filterwarnings(action='ignore', category=DataConversionWarning)
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np.set_printoptions(threshold=sys.maxsize)
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def identify_piece(image: np.ndarray, position: POSITION, sift: cv2.xfeatures2d_SIFT) -> PieceAndColor:
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centers = np.load("training_data/centers.npy")
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best = 0
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probs = {p.name: {} for p in OUR_PIECES}
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best_piece = best_color = None
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for piece in OUR_PIECES:
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for color in COLOR:
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#color = runner.compute_color(file, rank)
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#classifier = load_classifier(f"classifiers/neural_net_{piece}/{color}.pkl")
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classifier = load_classifier(f"classifiers/classifier_{piece}/{color}.pkl")
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features = runner.generate_bag_of_words(image, centers, sift)
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prob = classifier.predict_proba(features)
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#image = cv2.resize(image, (172, 172))
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#data = np.reshape(image, (1, np.product(image.shape)))
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#prob = classifier.predict_proba(data)
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probs[piece.name][color.name] = prob[0, 1]
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print(f"{piece}, {color}, {prob[0, 1]}")
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#if prob[0, 1] > best and color == position.color: # can only be best if correct color. Iterating through both colors for debugging only
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if prob[0, 1] > best:
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best = prob[0, 1]
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best_piece, best_color = piece, color
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#print(probs)
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return best_piece, best_color
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def pred_test(position: POSITION, mystery_image=None, empty_bias=False):
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sift = cv2.xfeatures2d.SIFT_create()
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if mystery_image is None:
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mystery_image = cv2.imread("training_images/rook/white/rook_training_D4_2.png")
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probs = identify_piece(mystery_image, position, sift)
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return probs
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def pre_process_and_train() -> None:
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runner.do_pre_processing()
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runner.train_pieces_svm()
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def build_board_from_squares(squares: Squares) -> Board:
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sift = cv2.xfeatures2d.SIFT_create()
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board = Board()
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counter = 0
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for position, square in squares.values():
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likely_piece = identify_piece(square, position, sift)
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board[position] = likely_piece
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if likely_piece != PIECE.EMPTY:
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counter += 1
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print(counter)
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print(64/(counter-1))
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return board
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def test_entire_board() -> None:
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board_img = cv2.imread("homo_pls_fuck.jpg")
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warped = runner.warp_board(board_img)
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squares = runner.get_squares(warped)
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board = build_board_from_squares(squares)
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print(board)
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def predict_empty(square: np.ndarray, position: POSITION) -> PIECE:
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y, x = np.histogram(square.ravel(), bins=32, range=[0, 256])
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left, right = x[:-1], x[1:]
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X = np.array([left, right]).T.flatten()
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Y = np.array([y, y]).T.flatten()
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area = sum(np.diff(x) * y)
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plt.plot(X, Y)
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plt.xlabel(f"{position}")
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#plt.show()
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#for color in COLOR:
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empty_classifier = load_classifier(f"classifiers/classifier_empty/white_piece_on_{position.color}_square.pkl")
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prob = empty_classifier.predict_proba(np.array(y).reshape(1, -1))
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#print(f"{position}, {position.color}: {prob[0, 1]}")
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if prob[0, 1] > 0.95:
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# print(f"{position} is empty")
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return PIECE.EMPTY
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return None
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def remove_most_empties(warped):
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empty = 0
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non_empties = []
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for position in POSITION:
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counter = 0
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img_src = runner.get_square(warped, position)
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width, height, _ = img_src.shape
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src = img_src[width // 25:, height // 25:]
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# src = src[:-width//200, :-height//200]
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segmentator = cv2.ximgproc.segmentation.createGraphSegmentation(sigma=0.8, k=150, min_size=700)
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segment = segmentator.processImage(src)
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mask = segment.reshape(list(segment.shape) + [1]).repeat(3, axis=2)
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masked = np.ma.masked_array(src, fill_value=0)
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pls = []
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for i in range(np.max(segment)):
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masked.mask = mask != i
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y, x = np.where(segment == i)
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pls.append(len(y))
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top, bottom, left, right = min(y), max(y), min(x), max(x)
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dst = masked.filled()[top: bottom + 1, left: right + 1]
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cv2.imwrite(f"tmp_seg/segment_{datetime.utcnow().timestamp()}_{position}.png", dst)
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if np.max(segment) > 0 and not np.all([x < (164 ** 2) * 0.2 for x in pls]) and (
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np.max(segment) >= 3 or np.all([x < (164 ** 2) * 0.9469 for x in pls])):
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#print(f"{position} is nonempty")
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non_empties.append([position, img_src])
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empty += 1
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#print(64 - empty)
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return non_empties
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def find_occupied_squares(warped: np.ndarray) -> Squares:
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non_empties = remove_most_empties(warped)
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completely_non_empties = {}
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for position, square in non_empties:
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if predict_empty(square, position) != PIECE.EMPTY:
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completely_non_empties[position] = square
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return completely_non_empties
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if __name__ == '__main__':
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#runner.train_pieces_svm()
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board = cv2.imread("whole_boards/boards_for_empty/board_1554288891.129901_rank_8.png")
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#board = cv2.imread("whole_boards/boards_for_empty/board_1554286515.323962_rank_3.png")
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warped = runner.warp_board(board)
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tmp = find_occupied_squares(warped)
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for pos, square in tmp:
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cv2.imshow(f"{pos}", square)
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cv2.waitKey(0)
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exit()
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"""
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rook_square = runner.get_square(warped, POSITION.H3)
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knight_square = runner.get_square(warped, POSITION.D3)
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cv2.imshow("lel", rook_square)
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cv2.imshow("lil", knight_square)
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#rook_out = cv2.Canny(rook_square, 50, 55, L2gradient=True)
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knight_out = cv2.Canny(knight_square, 50, 55, L2gradient=True)
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knight_out_l = cv2.Canny(knight_square, 50, 55, L2gradient=False)
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cv2.imshow("lal", knight_out)
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cv2.imshow("lul", knight_out_l)
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cv2.waitKey(0)
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exit()
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"""
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occupied = find_occupied_squares(warped)
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sift = cv2.xfeatures2d.SIFT_create()
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for position, square in occupied:
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print("---"*15)
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piece, color = identify_piece(square, position, sift)
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print(f"{piece} on {position}")
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text_color = 255 if color == COLOR.WHITE else 0
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cv2.putText(square, f"{position} {piece.name}", (0, 50), cv2.FONT_HERSHEY_SIMPLEX, fontScale=1, color=(text_color,)*3, thickness=3)
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cv2.imshow(f"{position}", square)
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cv2.waitKey(0)
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