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Sandipan Dey
  • Male
  • Kolkata
  • India
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Sandipan Dey's Page

Profile Information

Short Bio
Currently Working as
Data Scientist, Turnoutnow

Research Interests
Data Mining, Machine Learning, Text Mining, Natural Language Processing, Information Retrieval, Optimization, Pattern Recognition, Algorithms, Programming/Problem Solving, Computational Photography, Computer Vision, Image Processing, Mathematics, Distributed/Cloud Computing.

Hobbies
Music, Movies

Education
MS, Computer Science, UMBC, USA
BE, Computer Science & Engineering, Jadavpur University, Calcutta, India

Rpubs
http://rpubs.com/sandipan/

WordPress blogs
https://sandipanweb.wordpress.com/

Tumblr blogs
http://sandipanumbc.tumblr.com/

Gmail blogs
https://www.blogger.com/blogger.g?blogID=7539416912746312433#allposts

Linkedin profile
https://www.linkedin.com/in/sandipan-dey-0370276

github
https://github.com/sandipan

Stackoverflow
http://stackoverflow.com/users/4706171/sandipan

DBLP
http://dblp.uni-trier.de/pers/hd/d/Dey:Sandipan

ArnetMiner
https://cn.aminer.org/profile/sandipan/53f4739edabfaee43ed2a4f6

Academia
https://umbc.academia.edu/SDey

ResearchGate
https://www.researchgate.net/profile/Sandipan_Dey

Rosalind
http://rosalind.info/users/sandipan/

Mathworks
http://demonstrations.wolfram.com/preview.html?draft/04814/000001/

Shinyapp
https://sandipan.shinyapps.io/rchartsentiment/

Coursera Profile
https://www.coursera.org/user/i/f34069ce8df6de7dbebfedfb7e760d9f
My Web Site Or LinkedIn Profile
http://https://www.linkedin.com/in/sandipan-dey-0370276
Field of Expertise
Data Science, Machine Learning, AI, Business Analytics, Deep Learning
Professional Status
Technical
Years of Experience:
10+
Your Job Title:
Data Scientist
Interests:
Other

Sandipan Dey's Blog

Solving Some Image Processing Problems with Python libraries - Part 3

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

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…
Continue

Solving Some Image Processing Problems with Python libraries - Part 2

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

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:…

Continue

Solving Some Image Processing Problems with Python libraries - Part 1

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

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…
Continue

Few Machine Learning Problems (with Python implementation)

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

1. Back-propagation

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…

Continue

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