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import math
import cv2
import numpy as np
def padRightDownCorner(img, stride, padValue):
h = img.shape[0]
w = img.shape[1]
pad = 4 * [None]
pad[0] = 0 # up
pad[1] = 0 # left
pad[2] = 0 if (h % stride == 0) else stride - (h % stride) # down
pad[3] = 0 if (w % stride == 0) else stride - (w % stride) # right
img_padded = img
pad_up = np.tile(img_padded[0:1, :, :] * 0 + padValue, (pad[0], 1, 1))
img_padded = np.concatenate((pad_up, img_padded), axis=0)
pad_left = np.tile(img_padded[:, 0:1, :] * 0 + padValue, (1, pad[1], 1))
img_padded = np.concatenate((pad_left, img_padded), axis=1)
pad_down = np.tile(img_padded[-2:-1, :, :] * 0 + padValue, (pad[2], 1, 1))
img_padded = np.concatenate((img_padded, pad_down), axis=0)
pad_right = np.tile(img_padded[:, -2:-1, :] * 0 + padValue, (1, pad[3], 1))
img_padded = np.concatenate((img_padded, pad_right), axis=1)
return img_padded, pad
# transfer caffe model to pytorch which will match the layer name
def transfer(model, model_weights):
transfered_model_weights = {}
for weights_name in model.state_dict().keys():
transfered_model_weights[weights_name] = model_weights[
".".join(weights_name.split(".")[1:])
]
return transfered_model_weights
# get max index of 2d array
def npmax(array):
arrayindex = array.argmax(1)
arrayvalue = array.max(1)
i = arrayvalue.argmax()
j = arrayindex[i]
return i, j
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