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python Programming Glossary: strideFast Way to slice image into overlapping patches and merge patches to image http://stackoverflow.com/questions/16774148/fast-way-to-slice-image-into-overlapping-patches-and-merge-patches-to-image into patches of size 39x39 which are overlapping with a stride size of 1. That means that the next patch which starts one pixel.. to the original array is to create a view with custom strides the number of bytes to jump to the following element. It can.. of a numpy array as a glorified chunk of memory and then strides are a way to map indices to memory address. For example in..
Python “Every Other Element” Idiom http://stackoverflow.com/questions/2631189/python-every-other-element-idiom arguably less readable if you're not familiar with the stride feature of ranges . Like your code it discards the last value..
Python: Implementing slicing in __getitem__ http://stackoverflow.com/questions/2936863/python-implementing-slicing-in-getitem start if stop None end start 1 else end stop if step None stride 1 else stride step return self.__data indx end stride python.. None end start 1 else end stop if step None stride 1 else stride step return self.__data indx end stride python slicing python.. None stride 1 else stride step return self.__data indx end stride python slicing python datamodel share improve this question..
Extended slice that goes to beginning of sequence with negative stride http://stackoverflow.com/questions/399067/extended-slice-that-goes-to-beginning-of-sequence-with-negative-stride slice that goes to beginning of sequence with negative stride Bear with me while I explain my question. Skip down to the.. A list range 10 A 0 5 0 1 2 3 4 You can also include a stride which acts like a step A 0 5 2 0 2 4 The stride is also allowed.. include a stride which acts like a step A 0 5 2 0 2 4 The stride is also allowed to be negative meaning the elements are retrieved..
Image.frombuffer with 16-bit image data http://stackoverflow.com/questions/4199497/image-frombuffer-with-16-bit-image-data parameter. It takes a correct picture either specifying stride or not. The problem is that the pixel values are slightly off.. imaging library share improve this question For the stride parameter you need to give the row size in bytes. Your pixels.. Your pixels are 16 bits each so you might naively assume stride 2 bmpinfo 'bmWidth' unfortunately Windows adds padding to make..
http://stackoverflow.com/questions/5073767/how-can-i-efficiently-process-a-numpy-array-in-blocks-similar-to-matlabs-blkpro way to work with blocks import numpy as np from numpy.lib.stride_tricks import as_strided as ast A np.arange 36 .reshape 6 6.. import numpy as np from numpy.lib.stride_tricks import as_strided as ast A np.arange 36 .reshape 6 6 print A # 0 1 2 3 4 5 #.. # 30 31 32 33 34 35 # 2x2 block view B ast A shape 3 3 2 2 strides 48 8 24 4 print B 1 1 # 14 15 # 20 21 # for preserving original..
Real world example about how to use property feature in python? http://stackoverflow.com/questions/6304040/real-world-example-about-how-to-use-property-feature-in-python Validation class Pedometer object ... @property def stride_length self return self._stride_length @stride_length.setter.. object ... @property def stride_length self return self._stride_length @stride_length.setter def stride_length self value if.. def stride_length self return self._stride_length @stride_length.setter def stride_length self value if value 10 raise..
Using Numpy stride_tricks to get non-overlapping array blocks http://stackoverflow.com/questions/8070349/using-numpy-stride-tricks-to-get-non-overlapping-array-blocks Numpy stride_tricks to get non overlapping array blocks I'm trying to using.. overlapping array blocks I'm trying to using numpy.lib.stride_tricks.as_strided to iterate over non overlapping blocks of.. blocks I'm trying to using numpy.lib.stride_tricks.as_strided to iterate over non overlapping blocks of an array but I'm..
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