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350
__dev/port.py
350
__dev/port.py
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#import FaceLandmarksExtractor
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import numpy as np
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import dlib
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import torch
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import keras
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from keras import backend as K
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from keras import layers as KL
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import math
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import os
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import time
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import code
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class TorchBatchNorm2D(keras.engine.Layer):
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def __init__(self, axis=-1, momentum=0.99, epsilon=1e-3, **kwargs):
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super(TorchBatchNorm2D, self).__init__(**kwargs)
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self.supports_masking = True
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self.axis = axis
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self.momentum = momentum
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self.epsilon = epsilon
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def build(self, input_shape):
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dim = input_shape[self.axis]
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if dim is None:
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raise ValueError('Axis ' + str(self.axis) + ' of '
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'input tensor should have a defined dimension '
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'but the layer received an input with shape ' +
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str(input_shape) + '.')
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shape = (dim,)
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self.gamma = self.add_weight(shape=shape, name='gamma', initializer='ones', regularizer=None, constraint=None)
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self.beta = self.add_weight(shape=shape, name='beta', initializer='zeros', regularizer=None, constraint=None)
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self.moving_mean = self.add_weight(shape=shape, name='moving_mean', initializer='zeros', trainable=False)
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self.moving_variance = self.add_weight(shape=shape, name='moving_variance', initializer='ones', trainable=False)
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self.built = True
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def call(self, inputs, training=None):
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input_shape = K.int_shape(inputs)
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broadcast_shape = [1] * len(input_shape)
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broadcast_shape[self.axis] = input_shape[self.axis]
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broadcast_moving_mean = K.reshape(self.moving_mean, broadcast_shape)
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broadcast_moving_variance = K.reshape(self.moving_variance, broadcast_shape)
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broadcast_gamma = K.reshape(self.gamma, broadcast_shape)
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broadcast_beta = K.reshape(self.beta, broadcast_shape)
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invstd = K.ones (shape=broadcast_shape, dtype='float32') / K.sqrt(broadcast_moving_variance + K.constant(self.epsilon, dtype='float32'))
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return (inputs - broadcast_moving_mean) * invstd * broadcast_gamma + broadcast_beta
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def get_config(self):
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config = { 'axis': self.axis, 'momentum': self.momentum, 'epsilon': self.epsilon }
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base_config = super(TorchBatchNorm2D, self).get_config()
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return dict(list(base_config.items()) + list(config.items()))
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def t2kw_conv2d (src):
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if src.bias is not None:
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return [ np.moveaxis(src.weight.data.cpu().numpy(), [0,1,2,3], [3,2,0,1]), src.bias.data.cpu().numpy() ]
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else:
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return [ np.moveaxis(src.weight.data.cpu().numpy(), [0,1,2,3], [3,2,0,1])]
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def t2kw_bn2d(src):
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return [ src.weight.data.cpu().numpy(), src.bias.data.cpu().numpy(), src.running_mean.cpu().numpy(), src.running_var.cpu().numpy() ]
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import face_alignment
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fa = face_alignment.FaceAlignment(face_alignment.LandmarksType._2D,enable_cuda=False,enable_cudnn=False,use_cnn_face_detector=True).face_alignemnt_net
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fa.eval()
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def KerasConvBlock(in_planes, out_planes, input, srctorch):
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out1 = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(srctorch.bn1) )(input)
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out1 = KL.Activation( keras.backend.relu ) (out1)
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out1 = KL.ZeroPadding2D(padding=(1, 1), data_format='channels_first')(out1)
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out1 = KL.convolutional.Conv2D( int(out_planes/2), kernel_size=3, strides=1, data_format='channels_first', padding='valid', use_bias = False, weights=t2kw_conv2d(srctorch.conv1) ) (out1)
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out2 = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(srctorch.bn2) )(out1)
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out2 = KL.Activation( keras.backend.relu ) (out2)
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out2 = KL.ZeroPadding2D(padding=(1, 1), data_format='channels_first')(out2)
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out2 = KL.convolutional.Conv2D( int(out_planes/4), kernel_size=3, strides=1, data_format='channels_first', padding='valid', use_bias = False, weights=t2kw_conv2d(srctorch.conv2) ) (out2)
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out3 = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(srctorch.bn3) )(out2)
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out3 = KL.Activation( keras.backend.relu ) (out3)
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out3 = KL.ZeroPadding2D(padding=(1, 1), data_format='channels_first')(out3)
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out3 = KL.convolutional.Conv2D( int(out_planes/4), kernel_size=3, strides=1, data_format='channels_first', padding='valid', use_bias = False, weights=t2kw_conv2d(srctorch.conv3) ) (out3)
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out3 = KL.Concatenate(axis=1)([out1, out2, out3])
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if in_planes != out_planes:
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downsample = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(srctorch.downsample[0]) )(input)
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downsample = KL.Activation( keras.backend.relu ) (downsample)
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downsample = KL.convolutional.Conv2D( out_planes, kernel_size=1, strides=1, data_format='channels_first', padding='valid', use_bias = False, weights=t2kw_conv2d(srctorch.downsample[2]) ) (downsample)
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out3 = KL.add ( [out3, downsample] )
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else:
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out3 = KL.add ( [out3, input] )
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return out3
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def KerasHourGlass (depth, input, srctorch):
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up1 = KerasConvBlock(256, 256, input, srctorch._modules['b1_%d' % (depth)])
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low1 = KL.AveragePooling2D (pool_size=2, strides=2, data_format='channels_first', padding='valid' )(input)
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low1 = KerasConvBlock (256, 256, low1, srctorch._modules['b2_%d' % (depth)])
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if depth > 1:
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low2 = KerasHourGlass (depth-1, low1, srctorch)
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else:
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low2 = KerasConvBlock(256, 256, low1, srctorch._modules['b2_plus_%d' % (depth)])
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low3 = KerasConvBlock(256, 256, low2, srctorch._modules['b3_%d' % (depth)])
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up2 = KL.UpSampling2D(size=2, data_format='channels_first') (low3)
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return KL.add ( [up1, up2] )
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model_path = os.path.join( os.path.dirname(__file__) , "2DFAN-4.h5" )
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if os.path.exists (model_path):
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t = time.time()
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model = keras.models.load_model (model_path, custom_objects={'TorchBatchNorm2D': TorchBatchNorm2D} )
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print ('load takes = %f' %( time.time() - t ) )
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else:
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_input = keras.layers.Input ( shape=(3, 256,256) )
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x = KL.ZeroPadding2D(padding=(3, 3), data_format='channels_first')(_input)
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x = KL.convolutional.Conv2D( 64, kernel_size=7, strides=2, data_format='channels_first', padding='valid', weights=t2kw_conv2d(fa.conv1) ) (x)
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x = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(fa.bn1) )(x)
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x = KL.Activation( keras.backend.relu ) (x)
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x = KerasConvBlock (64, 128, x, fa.conv2)
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x = KL.AveragePooling2D (pool_size=2, strides=2, data_format='channels_first', padding='valid' ) (x)
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x = KerasConvBlock (128, 128, x, fa.conv3)
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x = KerasConvBlock (128, 256, x, fa.conv4)
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outputs = []
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previous = x
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for i in range(4):
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ll = KerasHourGlass (4, previous, fa._modules['m%d' % (i) ])
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ll = KerasConvBlock (256,256, ll, fa._modules['top_m_%d' % (i)])
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ll = KL.convolutional.Conv2D(256, kernel_size=1, strides=1, data_format='channels_first', padding='valid', weights=t2kw_conv2d( fa._modules['conv_last%d' % (i)] ) ) (ll)
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ll = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d( fa._modules['bn_end%d' % (i)] ) )(ll)
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ll = KL.Activation( keras.backend.relu ) (ll)
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tmp_out = KL.convolutional.Conv2D(68, kernel_size=1, strides=1, data_format='channels_first', padding='valid', weights=t2kw_conv2d( fa._modules['l%d' % (i)] ) ) (ll)
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outputs.append(tmp_out)
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if i < 4 - 1:
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ll = KL.convolutional.Conv2D(256, kernel_size=1, strides=1, data_format='channels_first', padding='valid', weights=t2kw_conv2d( fa._modules['bl%d' % (i)] ) ) (ll)
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previous = KL.add ( [previous, ll, KL.convolutional.Conv2D(256, kernel_size=1, strides=1, data_format='channels_first', padding='valid', weights=t2kw_conv2d( fa._modules['al%d' % (i)] ) ) (tmp_out) ] )
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model = keras.models.Model (_input, outputs)
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model.compile ( loss='mse', optimizer='adam' )
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model.save (model_path)
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model.save_weights ( os.path.join( os.path.dirname(__file__) , 'weights.h5') )
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model_short = keras.models.Model (_input, outputs[0])
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model_short.compile ( loss='mse', optimizer='adam' )
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model_short.save ( os.path.join( os.path.dirname(__file__) , "2DFAN-4_light.h5" ) )
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model_short.save_weights ( os.path.join( os.path.dirname(__file__) , '_light_weights.h5') )
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def transform(point, center, scale, resolution, invert=False):
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_pt = torch.ones(3)
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_pt[0] = point[0]
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_pt[1] = point[1]
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h = 200.0 * scale
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t = torch.eye(3)
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t[0, 0] = resolution / h
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t[1, 1] = resolution / h
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t[0, 2] = resolution * (-center[0] / h + 0.5)
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t[1, 2] = resolution * (-center[1] / h + 0.5)
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if invert:
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t = torch.inverse(t)
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new_point = (torch.matmul(t, _pt))[0:2]
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return new_point.int()
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def get_preds_fromhm(hm, center=None, scale=None):
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max, idx = torch.max( hm.view(hm.size(0), hm.size(1), hm.size(2) * hm.size(3)), 2)
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idx += 1
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preds = idx.view(idx.size(0), idx.size(1), 1).repeat(1, 1, 2).float()
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preds[..., 0].apply_(lambda x: (x - 1) % hm.size(3) + 1)
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preds[..., 1].add_(-1).div_(hm.size(2)).floor_().add_(1)
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for i in range(preds.size(0)):
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for j in range(preds.size(1)):
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hm_ = hm[i, j, :]
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pX, pY = int(preds[i, j, 0]) - 1, int(preds[i, j, 1]) - 1
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if pX > 0 and pX < 63 and pY > 0 and pY < 63:
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diff = torch.FloatTensor(
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[hm_[pY, pX + 1] - hm_[pY, pX - 1],
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hm_[pY + 1, pX] - hm_[pY - 1, pX]])
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preds[i, j].add_(diff.sign_().mul_(.25))
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preds.add_(-.5)
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preds_orig = torch.zeros(preds.size())
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if center is not None and scale is not None:
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for i in range(hm.size(0)):
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for j in range(hm.size(1)):
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preds_orig[i, j] = transform(
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preds[i, j], center, scale, hm.size(2), True)
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return preds, preds_orig
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def get_preds_fromhm2(a, center=None, scale=None):
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b = a.reshape ( (a.shape[0], a.shape[1]*a.shape[2]) )
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c = b.argmax(1).reshape ( (a.shape[0], 1) ).repeat(2, axis=1).astype(np.float)
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c[:,0] %= a.shape[2]
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c[:,1] = np.apply_along_axis ( lambda x: np.floor(x / a.shape[2]), 0, c[:,1] )
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for i in range(a.shape[0]):
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pX, pY = int(c[i,0]), int(c[i,1])
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if pX > 0 and pX < 63 and pY > 0 and pY < 63:
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diff = np.array ( [a[i,pY,pX+1]-a[i,pY,pX-1], a[i,pY+1,pX]-a[i,pY-1,pX]] )
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c[i] += np.sign(diff)*0.25
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c += 0.5
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result = np.empty ( (a.shape[0],2), dtype=np.int )
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if center is not None and scale is not None:
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for i in range(a.shape[0]):
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pt = np.array ( [c[i][0], c[i][1], 1.0] )
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h = 200.0 * scale
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m = np.eye(3)
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m[0,0] = a.shape[2] / h
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m[1,1] = a.shape[2] / h
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m[0,2] = a.shape[2] * ( -center[0] / h + 0.5 )
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m[1,2] = a.shape[2] * ( -center[1] / h + 0.5 )
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m = np.linalg.inv(m)
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result[i] = np.matmul (m, pt)[0:2].astype( np.int )
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return result
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rnd_data = np.random.rand (3, 256,256).astype(np.float32)
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#rnd_data = np.random.random_integers (2, size=(3, 256,256)).astype(np.float32)
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#rnd_data = np.array ( [[[1]*256]*256]*3 , dtype=np.float32 )
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input_data = np.array ([rnd_data])
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fa_out_tensor = fa( torch.autograd.Variable( torch.from_numpy(input_data), volatile=True) )[-1].data.cpu()
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fa_out = fa_out_tensor.numpy()
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t = time.time()
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m_out = model.predict ( input_data )[-1]
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print ('predict takes = %f' %( time.time() - t ) )
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t = time.time()
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#fa_base_out = fa_base(torch.autograd.Variable( torch.from_numpy(input_data), volatile=True))[0].data.cpu().numpy()
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print ( 'shapes = %s , %s , equal == %s ' % (fa_out.shape, m_out.shape, (fa_out.shape == m_out.shape) ) )
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print ( 'allclose == %s' % ( np.allclose(fa_out, m_out) ) )
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print ( 'total abs diff outputs = %f' % ( np.sum ( np.abs(np.ndarray.flatten(fa_out-m_out))) ))
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###
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d = dlib.rectangle(156,364,424,765)
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center = torch.FloatTensor(
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[d.right() - (d.right() - d.left()) / 2.0, d.bottom() -
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(d.bottom() - d.top()) / 2.0])
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center[1] = center[1] - (d.bottom() - d.top()) * 0.12
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scale = (d.right() - d.left() + d.bottom() - d.top()) / 195.0
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pts, pts_img = get_preds_fromhm (fa_out_tensor, center, scale)
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pts_img = pts_img.view(68, 2).numpy()
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###
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m_pts_img = get_preds_fromhm2 (m_out[0], center, scale)
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print ('pts1 == pts2 == %s' % ( np.array_equal(pts_img, m_pts_img) ) )
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import code
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code.interact(local=dict(globals(), **locals()))
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#print ( np.array_equal (fa_out, m_out) ) #>>> False
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#code.interact(local=dict(globals(), **locals()))
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#code.interact(local=locals())
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#code.interact(local=locals())
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###
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#fa.conv1.weight = torch.nn.Parameter( torch.from_numpy ( np.array( [[[[1.0]*7]*7]*3]*64, dtype=np.float32) ) )
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#fa.conv1.bias = torch.nn.Parameter( torch.from_numpy ( np.array( [1.0]*64, dtype=np.float32 ) ) )
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#model.layers[2].set_weights( [ np.array( [[[[1.0]*64]*3]*7]*7, dtype=np.float32), np.array( [1.0]*64, dtype=np.float32 ) ] )
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#b = np.array( [1.0]*64, dtype=np.float32 )
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#b = np.random.rand (64).astype(np.float32)
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#w = np.array( [[[[1.0]*7]*7]*3]*64, dtype=np.float32)
|
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#w = np.random.rand (64, 3, 7, 7).astype(np.float32)
|
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#s = w #fa_base.conv1.weight.data.cpu().numpy() #64x3x7x7
|
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#d = np.moveaxis(s, [0,1,2,3], [3,2,0,1] )
|
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||||||
|
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||||||
|
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||||||
#fa.conv1.weight = torch.nn.Parameter( torch.from_numpy ( w ) )
|
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||||||
#fa.conv1.bias = torch.nn.Parameter( torch.from_numpy ( b ) )
|
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||||||
#model.layers[2].set_weights( [np.transpose(w), b] )
|
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||||||
#model.layers[2].set_weights( [d, b] )
|
|
||||||
'''
|
|
||||||
for i in range(0,64):
|
|
||||||
for j in range(0,128):
|
|
||||||
b = np.array_equal (fa_out[i,j], m_out[i,j])
|
|
||||||
if b == False:
|
|
||||||
print ( '%d %d == False' %(i,j) ) #>>> False
|
|
||||||
'''
|
|
||||||
|
|
||||||
|
|
||||||
'''
|
|
||||||
input = -2.7966828
|
|
||||||
gamma = 0.7640695571899414
|
|
||||||
beta = 0.22801123559474945
|
|
||||||
moving_mean = 0.12693816423416138
|
|
||||||
moving_variance = 0.10409101098775864
|
|
||||||
epsilon = 0.0 #0.00001
|
|
||||||
|
|
||||||
print ( gamma * (input - moving_mean) / math.sqrt(moving_variance + epsilon) + beta )
|
|
||||||
print ( (input - moving_mean) * (1.0 / math.sqrt(moving_variance) + epsilon)*gamma + beta )
|
|
||||||
'''
|
|
||||||
#code.interact(local=dict(globals(), **locals()))
|
|
||||||
'''
|
|
||||||
conv_64_128 = x
|
|
||||||
conv_64_128 = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(fa.conv2.bn1) )(conv_64_128)
|
|
||||||
conv_64_128 = KL.Activation( keras.backend.relu ) (conv_64_128)
|
|
||||||
conv_64_128 = KL.ZeroPadding2D(padding=(1, 1), data_format='channels_first')(conv_64_128)
|
|
||||||
conv_64_128 = KL.convolutional.Conv2D( 64, kernel_size=3, strides=1, data_format='channels_first', padding='valid', use_bias = False, weights=t2kw_conv2d(fa.conv2.conv1) ) (conv_64_128)
|
|
||||||
conv_64_128 = TorchBatchNorm2D(axis=1, momentum=0.1, epsilon=1e-05, weights=t2kw_bn2d(fa.conv2.bn2) )(conv_64_128)
|
|
||||||
conv_64_128 = KL.Activation( keras.backend.relu ) (conv_64_128)
|
|
||||||
'''
|
|
||||||
#
|
|
||||||
#
|
|
||||||
#keras result = gamma * (input - moving_mean) / sqrt(moving_variance + epsilon) + beta
|
|
||||||
#
|
|
||||||
# (input - mean / scale_factor) / sqrt(var / scale_factor + eps)
|
|
||||||
#
|
|
||||||
#input = -3.0322433
|
|
||||||
#
|
|
||||||
#gamma = 0.1859646
|
|
||||||
#beta = -0.17041835
|
|
||||||
#moving_mean = -3.0345056
|
|
||||||
#moving_variance = 8.773307
|
|
||||||
#epsilon = 0.00001
|
|
||||||
#
|
|
||||||
#result = - 0.17027631
|
|
||||||
#
|
|
||||||
# fa result = 1.930317
|
|
||||||
1614
__dev/test.py
1614
__dev/test.py
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