Search Results for author: Calvin-Khang Ta

Found 6 papers, 1 papers with code

POSTURE: Pose Guided Unsupervised Domain Adaptation for Human Body Part Segmentation

no code implementations4 Jul 2024 Arindam Dutta, Rohit Lal, Yash Garg, Calvin-Khang Ta, Dripta S. Raychaudhuri, Hannah Dela Cruz, Amit K. Roy-Chowdhury

Existing algorithms for human body part segmentation have shown promising results on challenging datasets, primarily relying on end-to-end supervision.

Segmentation Semantic Segmentation +1

STRIDE: Single-video based Temporally Continuous Occlusion Robust 3D Pose Estimation

no code implementations24 Dec 2023 Rohit Lal, Saketh Bachu, Yash Garg, Arindam Dutta, Calvin-Khang Ta, Dripta S. Raychaudhuri, Hannah Dela Cruz, M. Salman Asif, Amit K. Roy-Chowdhury

This challenge arises because these models struggle to generalize beyond their training datasets, and the variety of occlusions is hard to capture in the training data.

3D Human Pose Estimation 3D Pose Estimation +3

Learning Deformable 3D Graph Similarity to Track Plant Cells in Unregistered Time Lapse Images

no code implementations20 Sep 2023 Md Shazid Islam, Arindam Dutta, Calvin-Khang Ta, Kevin Rodriguez, Christian Michael, Mark Alber, G. Venugopala Reddy, Amit K. Roy-Chowdhury

Tracking of plant cells in images obtained by microscope is a challenging problem due to biological phenomena such as large number of cells, non-uniform growth of different layers of the tightly packed plant cells and cell division.

Cell Tracking Graph Similarity

Prior-guided Source-free Domain Adaptation for Human Pose Estimation

no code implementations ICCV 2023 Dripta S. Raychaudhuri, Calvin-Khang Ta, Arindam Dutta, Rohit Lal, Amit K. Roy-Chowdhury

To address this limitation, we focus on the task of source-free domain adaptation for pose estimation, where a source model must adapt to a new target domain using only unlabeled target data.

2D Human Pose Estimation Pose Estimation +1

GAMA: Generative Adversarial Multi-Object Scene Attacks

no code implementations20 Sep 2022 Abhishek Aich, Calvin-Khang Ta, Akash Gupta, Chengyu Song, Srikanth V. Krishnamurthy, M. Salman Asif, Amit K. Roy-Chowdhury

Using the joint image-text features to train the generator, we show that GAMA can craft potent transferable perturbations in order to fool victim classifiers in various attack settings.

Language Modelling Object

Poisson2Sparse: Self-Supervised Poisson Denoising From a Single Image

1 code implementation4 Jun 2022 Calvin-Khang Ta, Abhishek Aich, Akash Gupta, Amit K. Roy-Chowdhury

In this work, we explore a sparsity and dictionary learning-based approach and present a novel self-supervised learning method for single-image denoising where the noise is approximated as a Poisson process, requiring no clean ground-truth data.

Dictionary Learning Image Denoising +3

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