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George Nelson Moraes liked Sandipan Dey's blog post Some Applications of Markov Chain in Python

Oct 23

Prasanth liked Sandipan Dey's blog post Dogs vs. Cats: Image Classification with Deep Learning using TensorFlow in Python

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Dumitru Puscasu liked Sandipan Dey's blog post Solving Some Image Processing Problems with Python libraries - Part 3

Sep 7

Sandipan Dey posted a blog post### 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 imagesAs described here, here is the algorithm:The cumulative histogram is computed for each image dataset, see the figure below.For any particular value (xi) in the input image data to be adjusted has a…See More

Aug 29

Sandipan Dey's blog post was featured### 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 imagesAs described here, here is the algorithm:The cumulative histogram is computed for each image dataset, see the figure below.For any particular value (xi) in the input image data to be adjusted has a…See More

Aug 29

Prabhakaran Sampath liked Sandipan Dey's blog post Solving Some Image Processing Problems with Python libraries - Part 2

Aug 24

Sandipan Dey posted a blog post### 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 KernelAlso, the spread in the frequency domain inversely proportional to the spread in the spatial domain. Here is the proof:…See More

Aug 23

Sandipan Dey's blog post was featured### 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 KernelAlso, the spread in the frequency domain inversely proportional to the spread in the spatial domain. Here is the proof:…See More

Aug 23

Sandipan Dey posted a blog post### 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 3DA gray-scale image can be thought of a 2-D function f(x,y) of the pixel locations (x,y), that maps each pixel into its corresponding gray level (an integer in [0,255], e.g.,).For an RGB image there are 3 such functions, f_R(x,y),…See More

Aug 18

Sandipan Dey's blog post was featured### 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 3DA gray-scale image can be thought of a 2-D function f(x,y) of the pixel locations (x,y), that maps each pixel into its corresponding gray level (an integer in [0,255], e.g.,).For an RGB image there are 3 such functions, f_R(x,y),…See More

Aug 18

Bogdan Oancea liked Sandipan Dey's blog post Brand-Value Analysis with simple Sentiment Analysis using Shiny / R

Aug 9

Sandipan Dey commented on Sandipan Dey's blog post Data Science with Python: Exploratory Analysis with Movie-Ratings and Fraud Detection with Credit-Card Transactions

"@Georgios Sarantitis This problem appeared in an project in a data science course and i just had the time to upload the report here, to familiarize the audience with different techniques available to classify an imbalanced dataset. This is…"

Jul 16

Sandipan Dey posted a blog post### Data Science with Python: Exploratory Analysis with Movie-Ratings and Fraud Detection with Credit-Card Transactions

The following problems are taken from the projects / assignments in the edX course Python for Data Science and the coursera course Applied Machine Learning in Python (UMich). 1. Exploratory Analysis to Find Trends in Average Movie Ratings for different GenresDataset● The IMDB Movie Dataset (MovieLens 20M) is used for the analysis. ● The dataset is downloaded from here . ● This dataset contains 20 million ratings and 465,000 tag…See More

Jul 16

Mohammad liked Sandipan Dey's blog post Few Machine Learning Problems (with Python implementation)

Jul 14

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Posted on August 16, 2018 at 1:30pm 0 Comments 1 Like

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.

As described here, here is the algorithm:

- The cumulative histogram is computed for each image dataset, see the figure below.
- For any…

Posted on August 16, 2018 at 1:00pm 0 Comments 1 Like

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.

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

ContinuePosted on August 16, 2018 at 1:00pm 0 Comments 0 Likes

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.

- A
*gray-scale*image can be thought of a 2-D function*f(x,y)*of the pixel…

Posted on May 31, 2018 at 10:00pm 0 Comments 1 Like

This problem also appeared as an assignment problem in the coursera online course *Mathematics for Machine Learning: Multivariate Calculus. *The description of the problem is taken from the assignment itself.

In this assignment, we shall train a neural network to draw a curve. The curve takes *one input* variable, the…

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