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Umar Iqbal

2 papers indexed

arxivcs.CV2026-07-10

DETRAM: End-to-end DEtection, Tracking and Recovery of HumAn Meshes

Chunggi Lee, Seonwook Park, Wanhua Li, Umar Iqbal, Hanspeter Pfister

In the task of human mesh recovery (HMR), multi-person scenes are particularly difficult to handle due to the many entities that appear and occlusions between them over time. In particular for video inputs, there is a need to track each entity reliably and consistently. Existing…

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arxivcs.CRcs.AIcs.HCcs.LG2026-07-03

PromptPET: Privacy-Utility Optimized Prompt Obfuscation

Ke Yang, Olivia Figueira, Umar Iqbal, Athina Markopoulou

Privacy is an important challenge when users interact with AI chatbots, since users may share sensitive information, explicitly or implicitly, and AI chatbots can use this information for user profiling. In this paper, we aim to protect user privacy via a user-side mechanism that…

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