Sachin Mittal

Sachin Mittal

Bengaluru, Karnataka, India
36K followers 500+ connections

About

I teach GATE CS. We have started GO Classes to provide quality education and we are…

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Experience

  • GO Classes Graphic

    GO Classes

    Bangalore

  • -

    Bengaluru Area, India

  • -

    Bengaluru Area, India

Education

Courses

  • Computational Methods of Optimisation

    E0230

  • Data Structures and Algorithms

    E0 251

  • Machine Learning

    E0 270

  • Natural Language Understanding

    E1 246

  • Practical Data Science

    E0 268

  • Probability and Statistics

    E0 232

Projects

  • Semi-Autoregressive Attention Network

    - Present

    RNN handles input sentences word by word which is obstacle towards parallelization of the process.
    Google's Transformer attends all i/p words in parallel but it is autoregressive (outputs sequencially).
    The idea we are currently working on is to develop semi autoregressive model which do parallelization
    for both input and output words.

  • Auto Image Segmentation (Computer Vision)

    -

    This is computer vision related work I did at Samsung during my internship.

  • Hierarchical Attention for Document Classi cation

    -

    Implemented state of the art deep learning model.
    Model was based on the fact that all Documents have hierarchical structure such as collection of
    words make sentences and collection of these sentences creates a document.
    Attention mechanism was applied at both word and sentence level which help in constructing more
    precise document representation.

  • Kaggle: Housing Price Prediction

    -

    -The objective was to predict the price of a house given 79 explanatory variables describing aspects of house.
    - Conducted Exploratory Data Analysis, data cleaning, Outliers detection, Imputed missing values.
    - Trained 4 base models including Random forest regressor, Gradient boosting regressor, Xgboost and
    Linear regressor.

  • Machine Comprehension

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    Implemented state of the art deep learning model DMN+ for question answering for fb-bAbI dataset.
    Positional encoding of paragraph is given to bidirectional GRU's to have paragraph representation.
    Episodic memory module updates attention and memory iteratively using paragraph and question.
    Answer module takes nal memory representation and question to produce answer.
    Model is trained end to end in deep learning framework PyTorch.

Organizations

  • Samsung

    Student Intern

    -

    -Applied transfer learning in pre-trained VGG net with the fully connected layers removed in favor of the decoders. - Skip connection is introduced after each convolution block to enable the subsequent block to extract more abstract, class-salient features from the previously pooled features. - Trained the model end-to-end, pixels-to-pixels in Tensorflow.

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