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We have developed an autoregressive model to accurately predict future trajectories of traffic participants (vehicles). We demonstrate that using semantics provides a significant boost and allows the model generalize to completely different datasets, collected across several cities, and also across countries where people drive on opposite sides of the road (left-handed vs right-handed driving). Preprint | Video |
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We developed a self-supervised deep network, CalibNet, capable of automatically estimating the 6-DoF rigid body transformation between a 3D LiDAR and a 2D camera in real-time. The network alleviates the need for any calibration targets, thereby reducing significant calibration efforts. Preprint | Video |
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An end-to-end application with a graphical user interface for easily calibrating the extrinsics between range and visual sensors was developed during GSoC 2018. Automatic and target-less calibration algorithms based on plane-matching and line-matching were integrated into the app, allowing the calibration to be performed in any generic scene setting without the need for any specific targets. Code | Video | Report |
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Estimated the camera motion between two frames by minimizing the photometric error between them. Implemented in matlab using a vanilla Levenberg-Marquardt non-linear least squares (approx.) solver. Results |
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Implemented a pipeline to estimate the rigid body pose between an IMU and a camera by applying the Kabsch algorithm to their motion estimates. Based on Zachary Taylor and Juan Nieto's work on Motion-Based Calibration of Multimodal Sensor Arrays. Report | Code |
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Developed a visual odometry module based on optic flow for the localization of a custom-built quadcopter and incorporated it into the PX4 navigation stack, enabling autonomous indoor navigation. All the computations were performed on-board, on an Odroid XU4. A stock counting module was implemented using ArUco markers. Report | Code |
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Used SimpleOpenNI to track body joint angles and mapped it to a model in blender. This was developed as a part of a body posture tracking project during my time as an intern at HTIC. Code | Video |
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Developed and evaluated a person tracking application for a drone using a CUDA accelerated monocular HOG detector, and another using disparity maps generated from a custom stereo rig. Both were tested on a Jetson TX1. This was developed during my time as an intern at Navstik Labs. |
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Developed a simple navigation stack for controlling the motion of a differential drive mobile robot using visual feed-back from an overhead camera. The stack consisted of a color based localization module and a PID controller for issuing steering commands to the motors. Code | Video |
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Built and programmed a flight controller for stabilizing a custom built quadcopter, using the ATmega328. Utilized interrupt service routines, I2C comm, PWM and PID rate control loops. Code |
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Developed an Android app that enabled students to share their course textbooks among each other easily. This app has got close to a thousand installations and has also been featured in a prominent weekly magazine, and in the top 10 of the Apps for Chennai contest. Code | Store | Press | Press |
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Ideated and developed an Android application to notify students and faculty about important events, announcements and other campus related information like bus routes and dining menus. It has close to two thousand users today and is the official app of SSN. Code | Store | Appreciation |
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Built using Hugo and Jon's styling
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