• DWT Based Image Steganography

    Implemented a method an image steganography method based on Haar DWT in OpenCV and LSB bits substitution.Evaluated the given algorithm under different external attacks like effect of noise, rotation and scratching based on accuracy[REPORT] [CODE]

  • Application of Convex Optimization in Image Processing

    Studied the various l1-norm minimization algorithms including the standard Interior Point Methods, Homotopy Methods , L1 Least Square and few recent methods like Template for Convex Cone Solvers ( TFOCS ) and Augmented Lagrangian Methods ( PALM & DALM). Compared their performances using time complexity as the parameter.[REPORT]

  • 1-bit Compressive Sensing

    Compressive sensing is a new signal acquisition technology with the potential to reduce the number of measurements required to acquire signals that are sparse or compressible in some basis. Discussed various 1-bit compressive sensing techniques like maximum likelihood techniques , regularizes least squares method, sign-sketch method.[REPORT]

  • Sentiment Analysis for imdB movie reviews

    Built a positive negative sentiment classfication system in Python achieving 96% accuracy. Compared various word feature extraction techniques like Word2Vec, Para2Vec and TfIdf against multiple classifiers like SVM, RandomForests, Adaboost, Logistic Regression[REPORT]

  • 3D Maze Game

    Developed a 3D Maze game with OpenGL GLUT library in Visual Studio C++. Implemented various features like texture, lighting , object loading. Created multiple levels for the game using randomized maze generation algorithm. Created animation for rain and earthquake using keyframe animation [REPORT]

  • Compressor Fault Detection

    Studied various time-frequency domain transforms for acoustic signals and their properties. Created a library in Java for computing time - frequency domain transforms like Wigner-Ville distribution, S - Transform, Short Time Frequency Transform, Choi Williams Distribution, Born Jordan Distribution and Updated-Morlet Transfrom [REPORT]

  • Blind Reverberation Time Estimation by Intrinsic Modelling of Reveberant Speech

    Studied a novel method to blindly estimate the Reverberation Time based on the decay rate distribution. Wrote the MATLAB code to calculate the Eigenvalue Decomposition of a kernel of the histrogram vectors of the observed decay rate of the room. Based on the output verified the results presented in the paper.[REPORT][CODE]

  • Spherical Array Signal Processing for 3d Source Localization

    Developed a system for real-time source localization using spherical microphone array by applying adaptive beamforming. Implemented the code in Visual C++ using PortAudio and ASIO API and Eignemike library [REPORT]

  • Secure IP

    Investigated use of Encryption for securing Internet Protocol (IP) communications.Implemented a chat program in python using diffie-hellman key exchange, AES and MD5 hash [REPORT]

  • Modelling of Pinna related Transfer Function

    Studied decomposition of Pinna-Related Transfer Functions using structural methods into resonances and notches. Wrote MATLAB code for extraction of resonance and notch frequencies based on proposed model. Evaluated the viability of proposed low-order filter model in the paper by re-synthesizing the original PRTF[REPORT]

  • Simulation of Power Distribution Networks

    Studied various methods for solving the Power Distribution problem and developed the MATLAB code for Power Flow solutions using Newton Raphson and Gauss Seidel Method[REPORT]