Search Results for author: Shichong Peng

Found 10 papers, 3 papers with code

How Good Are Deep Generative Models for Solving Inverse Problems?

no code implementations20 Dec 2023 Shichong Peng, Alireza Moazeni, Ke Li

We assess the validity of these models' outputs as solutions to the inverse problems and conduct a thorough analysis of the reliability of the models' estimates of uncertainty over the solution.

Super-Resolution valid

PAPR: Proximity Attention Point Rendering

1 code implementation NeurIPS 2023 Yanshu Zhang, Shichong Peng, Alireza Moazeni, Ke Li

PAPR effectively learns point cloud positions to represent the correct scene geometry, even when the initialization drastically differs from the target geometry.

Multi-View 3D Reconstruction Neural Rendering +1

CHIMLE: Conditional Hierarchical IMLE for Multimodal Conditional Image Synthesis

1 code implementation25 Nov 2022 Shichong Peng, Alireza Moazeni, Ke Li

A persistent challenge in conditional image synthesis has been to generate diverse output images from the same input image despite only one output image being observed per input image.

Image Generation Image Super-Resolution

Generating Unobserved Alternatives with Tower Implicit Model (TIM)

no code implementations29 Sep 2021 Shichong Peng, Seyed Alireza Moazenipourasil, Ke Li

We consider problems where multiple predictions can be considered correct, but only one of them is given as supervision.

regression

Multimodal Shape Completion via IMLE

no code implementations30 Jun 2021 Himanshu Arora, Saurabh Mishra, Shichong Peng, Ke Li, Ali Mahdavi-Amiri

Shape completion is the problem of completing partial input shapes such as partial scans.

Cascading Modular Network (CAM-Net) for Multimodal Image Synthesis

no code implementations16 Jun 2021 Shichong Peng, Alireza Moazeni, Ke Li

Deep generative models such as GANs have driven impressive advances in conditional image synthesis in recent years.

Image Generation

Better Knowledge Retention through Metric Learning

no code implementations26 Nov 2020 Ke Li, Shichong Peng, Kailas Vodrahalli, Jitendra Malik

In continual learning, new categories may be introduced over time, and an ideal learning system should perform well on both the original categories and the new categories.

Continual Learning Metric Learning

Generating Unobserved Alternatives

no code implementations3 Nov 2020 Shichong Peng, Ke Li

This setting differs from both the regression and class-conditional generative modelling settings: in the former, there is a unique observed output for each input, which is provided as supervision; in the latter, there are many observed outputs for each input, and many are provided as supervision.

regression Super-Resolution

Super-Resolution via Conditional Implicit Maximum Likelihood Estimation

no code implementations2 Oct 2018 Ke Li, Shichong Peng, Jitendra Malik

Single-image super-resolution (SISR) is a canonical problem with diverse applications.

Image Super-Resolution

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