numpy.random.sample()用法及实现都与它相同 (6)numpy.random.choice() 官方文档中给出的用法: numpy.random.choice(a,size=None,replace=True,p=None) 若a为数组,则从a中选取元素;若a为单个int类型数,则选取range(a)中的数 replace是bool类型,为True,则选取的元素会出现重复;反之不会出现重复 p为数组,里...
train_transform = transforms.Compose([ transforms.Resize((224, 224)), # 1 RandomChoice transforms.RandomChoice([transforms.RandomVerticalFlip(p=1), transforms.RandomHorizontalFlip(p=1)]), # 2 RandomApply # 有的图像执行错切填充红色后进行灰度变换,有的不执行任何操作 # transforms.RandomApply([tran...
random.choice(range(min_size[i], max_size[i])) size.append(sample) # size[w, h] if equal_aspect: size[1] = size[0] return img.resize(size[::-1], interpolation) 9 changes: 6 additions & 3 deletions 9 torchex/data/transforms.py Original file line numberDiff line numberDiff ...
w,c=img.shapegt_bboxes=results['gt_bboxes']whileTrue:scale=random.choice(self.ratios)new_h=int(self.crop_size[1]*scale)# 本身再crop_size的基础上还会乘上rationew_w=int(self.crop_size[0]*scale)h_border=self._get_border(self.border,h)w_border=self._get_border(self.border,w)fori...
numpy中,ndarray.shape 可以得到矩阵的维度大小;而np.size(ndarray)得到的是矩阵中数据的个数。type(ndarray) 可以查看变量类型;ndarray.dtype 查看ndarray中数据值的类型。 >>>importnumpyasnp >>>np.array((2,3,4,5)).reshape(2,2) array([[2,3], ...
To sample the items, we will apply numpy.random.choice() over the item array and pass a specific size also, pass the probability array.Let us understand with the help of an example,Python code for weighted random sample of categories
("Original array 1:\n",x,"\n")print("Original array 2:\n",y,"\n")# Extracting random indices in range of length of xidx=np.random.choice(np.arange(len(x)),10, replace=False)# Creating subset of x and yx_s=x[idx] y_s=y[idx]# Display resultprint("X subset:...
( self.quasi, n, self.sobolstate, self.dimension, self.num_generated - 1, dtype=dtype, ) self.num_generated += n if out is not None: out.resize_as_(result).copy_(result) return out return result def draw_base2( self, m: int, out: Optional[torch.Tensor] = None, dtype: ...
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The online nature of this device makes it a good choice for people new to Arduino programming. Since the core is internet based, setup is easier than with an Arduino as there are no FTDI drivers to install or serial issues to debug. The RGB LED used for network status is a clever way...