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Raj Mehrotra's Projects

amazon-fine-food-reviews-analysis icon amazon-fine-food-reviews-analysis

The famous Amazon fine food reviews dataset on Kaggle for text classification. I have performed sentiment analysis on the dataset using different techniques. Please see readme for details.

appdichat icon appdichat

Appdichat is mobile chatting application with many features. You can register and login with the application. Also you can send friend request to your friends and accept or decline the requests received. You can also chat in real time with your friends and also see a list of the people using the application. A user can also build his profile by setting his display profile picture and set the status. Also you can view the profile of all your friends and know the number of mutual friends. The application uses Java, XML and the Firebase realtime database.

awesome-nlp icon awesome-nlp

:book: A curated list of resources dedicated to Natural Language Processing (NLP)

calculator icon calculator

A SIMPLE CALCULATOR APPLICATION IN ANDROID. I HAVE USED JAVA AND XML FOR THE LAYOUT. THE CALCULATOR HAS BASIC OPERATIONS AND SOME OTHER UTILITY FUNCTIONS.

cats-vs-dogs-cnn-keras icon cats-vs-dogs-cnn-keras

The famous Cats-vs-Dogs dataset. I have used a self laid ConvNet to classify the image into 2 classes either a Dog or a Cat. The images used are of 100*100 pixels each. The images are first converted to the numpy array of pixel values using the python ZipFile module. The images are then divided into the training ,cross-validation,testing set containing 20000 , 5000 , 12500 images respectively. Also I have used data augmentation technique to avoid chances of overfitting the model. Finally I achieved a decent accuracy of about 88 % on the validation set.

chb-mit icon chb-mit

Machine learning on the CHB-MIT scalp EEG database

cnns-on-chb-mit icon cnns-on-chb-mit

The project is about applying CNNs to EEG data from CHB-MIT to predict seizure

cpuschedulerapp icon cpuschedulerapp

A small Android application for the Operating System Lab Project. The application implements a short term scheduler. The user enters the details of the various processes and then chooses one among the many options for the CPU scheduling algorithm. The application then displays the sequence in which the processes will be executed and also various other quantities like waiting time,turn around time for a process etc..

flower-recognition-kaggle-cnn-keras icon flower-recognition-kaggle-cnn-keras

The dataset is Flower Recognition on Kaggle. The dataset consists of 4232 images each of different pixel values. Each of the image can be classified into either of 5 types-> 'Daisy','Rose' etc... . I have trained Convolutional Neural Network written in Keras to predict the flower on the validation set. Also used ImageDataGenerator to augment the training set and avoid overfitting problem .

gender-recognition-by-voice-val.-acc.-0.9908- icon gender-recognition-by-voice-val.-acc.-0.9908-

The Gender Recognition by Voice dataset from kaggle. The dataset consists of 3168 voice samples each of which has 20 different acoustic properties and the target variable is the 'gender' or the 'label'. I have done exhaustive EDA to analyze the data and the underlying trends. Also the outliers have been detected and removed for better performance. I have also done significant feature engineering by adding couple of new relevant features. Also I have normalized the data for better performance. Lastly I have used many classification algos. from the scikit to predict the 'gender' from the voice sample. For me SVM gives highest accuracy of about a little more than 99.1 %.

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