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Sandipan Dey's Blog – August 2018 Archive (3)

Solving Some Image Processing Problems with Python libraries - Part 3

In this article a few more popular image processing problems along with their solutions are going to be discussed. Python image processing libraries are going to be used to solve these problems.

Histogram Matching with color images

As described here, here is the algorithm:

  1. The cumulative histogram is computed for each image dataset, see the figure below.
  2. For any…
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Added by Sandipan Dey on August 16, 2018 at 1:30pm — No Comments

Solving Some Image Processing Problems with Python libraries - Part 2

In this article a few more popular image processing problems along with their solutions are going to be discussed. Python image processing libraries are going to be used to solve these problems.

Some Applications of DFT 

0. Fourier Transform of a Gaussian Kernel is another Gaussian Kernel

Also, the spread in the frequency domain  inversely proportional to the spread in the spatial domain. Here is the proof:…

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Added by Sandipan Dey on August 16, 2018 at 1:00pm — No Comments

Solving Some Image Processing Problems with Python libraries - Part 1

In this article a few popular image processing problems along with their solutions are going to be discussed. Python image processing libraries are going to be used to solve these problems.

 

Image Transformations and Warping

 

0. Display RGB image color channels in 3D

  1. A gray-scale image can be thought of a 2-D function f(x,y) of the pixel…
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Added by Sandipan Dey on August 16, 2018 at 1:00pm — No Comments

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