from skimage.morphology import remove_small_objectsim = rgb2gray(imread('../images/circles.jpg'))im[im > 0.5] = 1 # create binary image by thresholding with fixed threshold0.5im[im <= 0.5] = 0im = im.astype(np.bool)pylab.figure(figsize=(20,20))pylab.subplot(2,2,1), plot_image(i...
def create_dictionaries(words): word_to_int_dict = {w:i+1 for i, w in enumerate(words)} int_to_word_dict = {i:w for w, i in word_to_int_dict. items()} return word_to_int_dict, int_to_word_dict word_to_int_dict, int_to_word_dict = create_dictionaries(vocab) int_to_wo...
The np.zeros_like() function creates an array of zeros with the same shape and type as a given array. I find this incredibly useful when I need to create a result array that matches an input array. # Create a sample array original = np.array([[1, 2, 3], [4, 5, 6]]) # Cre...
autograd.grad(inner_loss, model.parameters(), create_graph=True)params = model.update_params(lr=0.01, params=params, grads=grads)query_output =model(query_inputs[i], params=params)outer_loss +=criterion(query_output, query_targets[i])optimizer.zero_grad()outer_loss.backward()optimizer.step...
原文:Hands-On Transfer Learning with Python 协议:CC BY-NC-SA 4.0 译者:飞龙 本文来自【ApacheCN 深度学习 译文集】,采用译后编辑(MTPE)流程来尽可能提升效率。 不要担心自己的形象,只关心如何实现目标。——《原则》,生活原则 2.3
numpy.memmap Create a memory-map to an array stored in a *binary* file on disk. In [6]: np.con*? np.concatenate np.conj np.conjugate np.convolve 导入约定 导入numpy 的推荐约定是: >>> >>> import numpy as np 1.1.2. 创建数组
# 如果需要进行持久化安装, 需要使用持久化路径, 如下方代码示例: # If a persistence installation is required, # you need to use the persistence path as the following: !mkdir /home/aistudio/external-libraries !pip install beautifulsoup4 -t /home/aistudio/external-libraries mkdir: cannot create di...
round(x [,n]) 返回浮点数 x 的四舍五入值,如给出 n 值,则代表舍入到小数点后的位数。 range(x, y, step) 从x开始到y-1步长为step 生成一个序列 range(x) 相当于range(0, x - 1, 1) sqrt(x) 返回数字x的平方根。 """ import math # 这个表示引用math数学库 # 简单举几个例子 a = -...
If it is a string, you must also give the encoding (and optionally, errors) parameters; bytearray() then converts the string to bytes using str.encode(). If it is an integer, the array will have that size and will be initialized with null bytes. ...
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