Search Results for author: Pirazh Khorramshahi

Found 7 papers, 1 papers with code

Lightweight Delivery Detection on Doorbell Cameras

no code implementations13 May 2023 Pirazh Khorramshahi, Zhe Wu, Tianchen Wang, Luke DeLuccia, Hongcheng Wang

Despite recent advances in video-based action recognition and robust spatio-temporal modeling, most of the proposed approaches rely on the abundance of computational resources to afford running huge and computation-intensive convolutional or transformer-based neural networks to obtain satisfactory results.

Action Recognition

Scalable Vehicle Re-Identification via Self-Supervision

no code implementations16 May 2022 Pirazh Khorramshahi, Vineet Shenoy, Rama Chellappa

As Computer Vision technologies become more mature for intelligent transportation applications, it is time to ask how efficient and scalable they are for large-scale and real-time deployment.

Computational Efficiency Vehicle Re-Identification

Scalable and Real-time Multi-Camera Vehicle Detection, Re-Identification, and Tracking

no code implementations15 Apr 2022 Pirazh Khorramshahi, Vineet Shenoy, Michael Pack, Rama Chellappa

Multi-camera vehicle tracking is one of the most complicated tasks in Computer Vision as it involves distinct tasks including Vehicle Detection, Tracking, and Re-identification.

Identification of Attack-Specific Signatures in Adversarial Examples

no code implementations13 Oct 2021 Hossein Souri, Pirazh Khorramshahi, Chun Pong Lau, Micah Goldblum, Rama Chellappa

The adversarial attack literature contains a myriad of algorithms for crafting perturbations which yield pathological behavior in neural networks.

Adversarial Attack

GANs with Variational Entropy Regularizers: Applications in Mitigating the Mode-Collapse Issue

no code implementations24 Sep 2020 Pirazh Khorramshahi, Hossein Souri, Rama Chellappa, Soheil Feizi

To tackle this issue, we take an information-theoretic approach and maximize a variational lower bound on the entropy of the generated samples to increase their diversity.

The Devil is in the Details: Self-Supervised Attention for Vehicle Re-Identification

no code implementations ECCV 2020 Pirazh Khorramshahi, Neehar Peri, Jun-Cheng Chen, Rama Chellappa

In recent years, the research community has approached the problem of vehicle re-identification (re-id) with attention-based models, specifically focusing on regions of a vehicle containing discriminative information.

Vehicle Re-Identification

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