def cifar_to_stl(resize_mode='i',normalize=True): import numpy as np from keras.datasets import cifar10 (source_traindata, source_trainlabel), (source_testdata, source_testlabel) = cifar10.load_data() # remove the class 'frog' label = '6' def remove(data, label, lind): ind1 = (label < lind) + (label > lind) ind1 = ind1.ravel() data = data[ind1] label = label[ind1] ind2 = label > lind label[ind2] = label[ind2] - 1 return data, label source_traindata, source_trainlabel = remove(source_traindata, source_trainlabel, 6) source_testdata, source_testlabel = remove(source_testdata, source_testlabel, 6) source_size = source_traindata.shape if resize_mode=='imagenet': resize =True resize_size = 224 else: resize =False resize_size =32 from preprocess import zero_mean_unitvarince, resize_data if resize == True: source_traindata = resize_data(source_traindata, resize_size=resize_size) source_testdata = resize_data(source_testdata, resize_size=resize_size) source_size = source_traindata.shape if normalize == True: source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) from DatasetLoad import stl10_dataload target_traindata, target_trainlabel, target_testdata, target_testlabel = stl10_dataload() # remove the class name 'monkey', label = '7' target_traindata, target_trainlabel = remove(target_traindata, target_trainlabel, 7) target_testdata, target_testlabel = remove(target_testdata, target_testlabel, 7) if resize_mode=='imagenet': resize =True resize_size = 224 else: resize =True resize_size =32 from preprocess import zero_mean_unitvarince, resize_data if resize == True: target_traindata = resize_data(target_traindata, resize_size=resize_size) target_testdata = resize_data(target_testdata, resize_size=resize_size) from preprocess import zero_mean_unitvarince target_traindata = zero_mean_unitvarince(target_traindata, scaling=True) target_testdata = zero_mean_unitvarince(target_testdata, scaling=True) return (source_traindata, source_trainlabel,source_testdata, source_testlabel), (target_traindata, target_trainlabel, target_testdata, target_testlabel)
def mnist_to_usps(): from keras.datasets import mnist (source_traindata, source_trainlabel), (source_testdata, source_testlabel) = mnist.load_data() source_size = source_traindata.shape resize = False resize_size = 16 from preprocess import zero_mean_unitvarince, resize_data if resize == True: source_traindata = resize_data(source_traindata, resize_size=resize_size) source_testdata = resize_data(source_testdata, resize_size=resize_size) source_size = source_traindata.shape source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) source_traindata = source_traindata.reshape(-1, source_size[1], source_size[2], 1) source_testdata = source_testdata.reshape(-1, source_size[1], source_size[2], 1) #%% from DatasetLoad import usps_digit_dataload target_traindata, target_trainlabel, target_testdata, target_testlabel = usps_digit_dataload( ) target_trainlabel = target_trainlabel - 1 target_testlabel = target_testlabel - 1 target_traindata = target_traindata.reshape(-1, 16, 16, 1) target_testdata = target_testdata.reshape(-1, 16, 16, 1) print(target_traindata.shape) resize = True resize_size = 28 if resize: npad = ((0, 0), (6, 6), (6, 6), (0, 0)) target_traindata = np.pad(target_traindata, pad_width=npad, mode='constant') target_testdata = np.pad(target_testdata, pad_width=npad, mode='constant') # target_traindata = resize_data(target_traindata, resize_size=resize_size) # target_testdata = resize_data(target_testdata, resize_size=resize_size) target_traindata = target_traindata.reshape(-1, 28, 28, 1) target_testdata = target_testdata.reshape(-1, 28, 28, 1) target_traindata = zero_mean_unitvarince(target_traindata, scaling=True) target_testdata = zero_mean_unitvarince(target_testdata, scaling=True) return (source_traindata, source_trainlabel, source_testdata, source_testlabel), (target_traindata, target_trainlabel, target_testdata, target_testlabel)
def svhnn_to_mnist(method = 'zero_mean_unitvarince', **params): from skimage.color import rgb2gray from scipy.misc import imresize from DatasetLoad import SVHN_dataload source_traindata, source_trainlabel, source_testdata, source_testlabel = SVHN_dataload() source_size = source_traindata.shape from preprocess import zero_mean_unitvarince, instance_zero_mean_unitvar, min_max_scaling if method =='instance_zero_mean_unitvar': source_traindata = instance_zero_mean_unitvar(source_traindata, scaling=True) source_testdata = instance_zero_mean_unitvar(source_testdata, scaling=True) elif method =='min_max': source_traindata = min_max_scaling(source_traindata, **params) source_testdata = min_max_scaling(source_testdata, **params) else: source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) source_trainlabel = source_trainlabel*(source_trainlabel!=10) source_testlabel = source_testlabel*(source_testlabel!=10) from keras.datasets import mnist (target_traindata, target_trainlabel), (target_testdata, target_testlabel) = mnist.load_data() target_size = target_traindata.shape resize = True resize_size =32 from preprocess import zero_mean_unitvarince,resize_data if resize == True: target_traindata = resize_data(target_traindata, resize_size=resize_size) target_testdata = resize_data(target_testdata, resize_size=resize_size) if method =='instance_zero_mean_unitvar': target_traindata = instance_zero_mean_unitvar(target_traindata, scaling=True) target_testdata = instance_zero_mean_unitvar(target_testdata, scaling=True) elif method =='min_max': target_traindata = min_max_scaling(target_traindata, **params) target_testdata = min_max_scaling(target_testdata, **params) else: target_traindata = zero_mean_unitvarince(target_traindata,scaling=True) target_testdata = zero_mean_unitvarince(target_testdata,scaling=True) convert_rgb=1 if convert_rgb: target_traindata = np.stack((target_traindata,target_traindata,target_traindata), axis=3) target_testdata = np.stack((target_testdata,target_testdata,target_testdata), axis=3) return (source_traindata, source_trainlabel,source_testdata, source_testlabel), (target_traindata, target_trainlabel, target_testdata, target_testlabel)
def mnist_to_mnistm(): from keras.datasets import mnist (source_traindata, source_trainlabel), (source_testdata, source_testlabel) = mnist.load_data() source_size = source_traindata.shape resize = False resize_size = 32 from preprocess import zero_mean_unitvarince, resize_data if resize == True: source_traindata = resize_data(source_traindata, resize_size=resize_size) source_testdata = resize_data(source_testdata, resize_size=resize_size) source_size = source_traindata.shape source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) convert_rgb = 1 if convert_rgb: source_traindata = np.stack( (source_traindata, source_traindata, source_traindata), axis=3) source_testdata = np.stack( (source_testdata, source_testdata, source_testdata), axis=3) from DatasetLoad import mnist_m_dataload from skimage.color import rgb2gray target_traindata, target_trainlabel, target_testdata, target_testlabel = mnist_m_dataload( ) target_size = target_traindata.shape resize = False resize_size = 28 if resize == True: target_traindata = resize_data(target_traindata, resize_size=resize_size) target_testdata = resize_data(target_testdata, resize_size=resize_size) target_size = target_traindata.shape target_traindata = zero_mean_unitvarince(target_traindata, scaling=True) target_testdata = zero_mean_unitvarince(target_testdata, scaling=True) return (source_traindata, source_trainlabel, source_testdata, source_testlabel), (target_traindata, target_trainlabel, target_testdata, target_testlabel)
def usps_to_mnist(): from DatasetLoad import usps_digit_dataload source_traindata, source_trainlabel, source_testdata, source_testlabel = usps_digit_dataload( ) source_trainlabel = source_trainlabel - 1 source_testlabel = source_testlabel - 1 # 2d to 3d for CNN source_traindata = source_traindata.reshape(-1, 16, 16, 1) source_testdata = source_testdata.reshape(-1, 16, 16, 1) from preprocess import zero_mean_unitvarince, resize_data source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) # from keras.datasets import mnist (target_traindata, target_trainlabel), (target_testdata, target_testlabel) = mnist.load_data() target_size = target_traindata.shape resize = True resize_size = 16 if resize == True: target_traindata = resize_data(target_traindata, resize_size=resize_size) target_testdata = resize_data(target_testdata, resize_size=resize_size) target_size = target_traindata.shape target_traindata = zero_mean_unitvarince(target_traindata, scaling=True) target_testdata = zero_mean_unitvarince(target_testdata, scaling=True) target_traindata = target_traindata.reshape(-1, target_size[1], target_size[2], 1) target_testdata = target_testdata.reshape(-1, target_size[1], target_size[2], 1) return (source_traindata, source_trainlabel, source_testdata, source_testlabel), (target_traindata, target_trainlabel, target_testdata, target_testlabel)
def mnist_to_svhnn(): from keras.datasets import mnist (source_traindata, source_trainlabel), (source_testdata, source_testlabel) = mnist.load_data() source_size = source_traindata.shape resize = False resize_size = 32 from preprocess import zero_mean_unitvarince, resize_data if resize == True: source_traindata = resize_data(source_traindata, resize_size=resize_size) source_testdata = resize_data(source_testdata, resize_size=resize_size) source_size = source_traindata.shape source_traindata = zero_mean_unitvarince(source_traindata, scaling=True) source_testdata = zero_mean_unitvarince(source_testdata, scaling=True) convert_rgb = 1 if convert_rgb: source_traindata = np.stack( (source_traindata, source_traindata, source_traindata), axis=3) source_testdata = np.stack( (source_testdata, source_testdata, source_testdata), axis=3) ######################################### from skimage.color import rgb2gray from scipy.misc import imresize from DatasetLoad import SVHN_dataload target_traindata, label = SVHN_dataload() target_size = target_traindata.shape from preprocess import zero_mean_unitvarince target_traindata = zero_mean_unitvarince(target_traindata, scaling=True) target_trainlabel = label * (label != 10) target_size = target_traindata.shape return source_traindata, source_trainlabel, source_testdata, source_testlabel, target_traindata, target_trainlabel