gagner de l'argent sur mobile

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General Investor Information

Margin Accounts

View investor guidance on purchasing on margin and risks involved with trading in a margin account. Learn what margin and margin requirements are; also see an example of how this type of trading works and learn the risks of investing this way.

Guidance To Investors Regarding Stock Volatility And Online Trading

Before opening an online account or placing the first trade, investors should ask brokerage firms a number of questions so they can make appropriate investment decisions. Online investors need to be aware of the potential for stock market volatility, the possibility of delays due to high Internet traffic or high trading volume, and the difference between market and limit orders.

Prohibited Conduct

Learn about the types of conduct in the securities industry that are prohibited before you begin investing.

Working With Your Investment Professional

See a listing of steps for investors to follow in order to avoid problems when participating in the market environment.

Internet Investing

Learn about the possibilities & pitfalls of using the Internet as an investment tool. Online investors must be aware that high Internet traffic may affect their ability to access their account or transmit their orders. Also, they should be skeptical of stock advice and tips provided in chat rooms and should do their own research before acting on these tips.

Email  /  CV  /  LinkedIn  /  GitHub

Krishna Face
Publications

Accepted

VaPar Synth - A Variational Parametric Model for Audio Synthesis
Krishna Subramani, Preeti Rao Alexandre D'Hooge
ICASSP 2020
Paper / Code / Audio Examples / DOI / BibTeX

We present VaPar Synth - a Variational Parametric Synthesizer for instrument note synthesis, which utilizes a conditional variational autoencoder trained on a source-filter inspired parametric representation.

We will be presenting our work virtually at ICASSP 2020! (Presentation Video)

Energy-Weighted Multi-Band Novelty Functions for Onset Detection in Piano Music
Krishna Subramani, Srivatsan Sridhar, Rohit M A, Preeti Rao
National Conference on Communications 2018
Paper / DOI / BibTeX

Propose the use of energy-based weighting of multi-band onset detection functions and the use of a new criterion for adapting the final peak-picking threshold to improve detection of soft onsets in the vicinity of loud notes. Also propose a grouping algorithm to reduce the detection of spurious onsets.

We presented our work at the conference as an oral presentation

Generative Audio Synthesis with a Parametric Model
Krishna Subramani, Alexandre D'Hooge, Preeti Rao
ISMIR 2019 Late Breaking/Demo
Abstract / Audio Examples / BibTeX

Propose a parametric representation for audio corresponding more directly to its musical attributes such as pitch, dynamics and timbre. For more control over generation, we also propose the use of a conditional variational autoencoder which conditions the timbre on pitch.

We presented our work as a poster in the ISMIR 2019 Late Breaking/Demo session

Submitted

Learning Complex Representations from Spatial Phase Statistics of Natural Scenes
HaDi Maboudi, Krishna Subramani, Hamid Soltanian-Zadeh, Shun-ichi Amari, Hideaki Shimazaki
Submitted to Neural Networks, Under Review
Preprint / bioRxiv / BibTeX

We introduce a generative model for phase in visual systems, and propose a complex domain based maximum likelihood estimation procedure for parameter estimation. We derive analytical gradient expressions for maximum likelihood estimation using Wirtinger Calculus (detailed in our supplementary material)

I presented the initial part of this work as an oral presentation at Honda Research Institute

Research Experience
Variational Parametric Models for Audio Synthesis
Report / Repository / Review of Generative Models for Audio Synthesis

(Ongoing)My Master's thesis work on generative parametric models for audio synthesis.

I presented the work done by me so far as an oral presentation for the first stage defense of my Master's thesis

Compression using Graph Signal Processing
Presentation / Report / Notebook Demonstration of the Code

Inspired by the authors work on compressing distributed data by modeling it as graphs, we decided to try out and extend the idea to a new dataset by performing outlier removal, data imputation and clipping, and were able to successfully compress it at a significantly faster rate(~8x speedup) than conventional techniques.

https://www.sfu.ca/~truax/gran.html
Data Sonification using Granular Synthesis
Report / Code Repository

Implemented a real-time granular synthesizer on Pure Data. Also ideated a scheme where the parameters of the synth could be controlled externally with data, thus 'sonifying' the data!

Kuramoto Model and Oscillatory Networks
Image Recall

Implemented an image retrieval(memory recall) task using the Kuramoto Model. Extended this to try out graph coloring using Oscillatory Networks.


The Master Yoda to us Padawans.

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