data_gen.py 1.49 KB
 tverrbjelke committed May 08, 2018 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ``````import numpy as np class Rectangle: def __init__(self, x, y, width, height): self.x=x self.y=y self.width=width self.height=height self.matrix_size=10 self.matrix=self._init_zeros_matrix() self.fill() def _init_zeros_matrix(self): return np.zeros(shape=(self.matrix_size, self.matrix_size), dtype=np.float32) def add_noise(self): new_matrix=np.zeros(shape=(self.matrix_size, self.matrix_size), dtype=np.float32) for i in range(10): for j in range(10): new_matrix[i][j]+=self.matrix[i][j]+np.random.poisson(lam=2.0) return new_matrix def fill(self): for i in range(self.width): for j in range(self.height): self.matrix[self.x+i][self.y+j]=10.0 def get_matrix(self): return self.matrix def gen_data(): rectangles={0:Rectangle(0,0,2,2), 1:Rectangle(3,3,2,2), 2:Rectangle(5,5,2,2), 3:Rectangle(7,7,2,2),} rect_data=[] labels=[] for i in range(0,10): label=i%4 rect=np.array(rectangles[label].add_noise()) rect_reshaped= np.reshape(rect,[1,100]) rect_data.append(rect_reshaped) labels.append(label) return rect_data, labels rect_data, labels=gen_data() ``````