Mani Ravi
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CNN (2)
Deep Learning (2)
ECG (1)
Grad-CAM (1)
IMU (1)
Machine Learning (2)
SVM (1)
XAI (2)

Projects

A collection of projects that I’ve worked on and written about. Mostly focused on biosignal processing and machine learning.

The Accuracy Trap: Class Imbalance and Domain Knowledge in ECG Arrhythmia Classification

ECG
Machine Learning
Deep Learning
CNN
Grad-CAM
XAI

Why domain knowledge remains essential in developing better models in clinical settings

Apr 22, 2026
Mani Ravi

A Tale of Two Eras: Handcrafted Features vs. Deep Learning for IMU Activity Recognition

IMU
Machine Learning
Deep Learning
CNN
SVM
XAI

It is no longer required to spend hours engineering features for conventional machine learning models when deep learning can ‘just figure it out’. But are there trade-offs?

Feb 25, 2026
Mani Ravi
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  1. Manikandan Ravi, 2026. All rights reserved. Disclaimer