Improving Denoising Diffusion Models via Simultaneous Estimation of Image and Noise

no code implementations • 26 Oct 2023 • Zhenkai Zhang, Krista A. Ehinger, Tom Drummond

This paper introduces two key contributions aimed at improving the speed and quality of images generated through inverse diffusion processes.

Denoising

Multiscale Representation for Real-Time Anti-Aliasing Neural Rendering

no code implementations • ICCV 2023 • Dongting Hu, Zhenkai Zhang, Tingbo Hou, Tongliang Liu, Huan Fu, Mingming Gong

Our approach includes a density Mip-VoG for scene geometry and a feature Mip-VoG with a small MLP for view-dependent color.

Neural Rendering

Open Set Recognition using Vision Transformer with an Additional Detection Head

1 code implementation • 16 Mar 2022 • Feiyang Cai, Zhenkai Zhang, Jie Liu, Xenofon Koutsoukos

However, in a more realistic open set scenario, traditional classifiers with incomplete knowledge cannot tackle test data that are not from the training classes.

Image Classification Open Set Learning

Array Resource Allocation for Radar and Communication Integration Network

no code implementations • 7 Oct 2020 • Zhenkai Zhang, Hamid Esmaeili Najafabadi, Henry Leung

This paper considers the array allocation problems for multiple target localization and multiple platforms communication in an RCI network.