Search Results for author: George Eskandar

Found 13 papers, 3 papers with code

A Semi-Paired Approach For Label-to-Image Translation

no code implementations23 Jun 2023 George Eskandar, Shuai Zhang, Mohamed Abdelsamad, Mark Youssef, Diandian Guo, Bin Yang

Data efficiency, or the ability to generalize from a few labeled data, remains a major challenge in deep learning.

Image-to-Image Translation Translation

Towards Pragmatic Semantic Image Synthesis for Urban Scenes

1 code implementation16 May 2023 George Eskandar, Diandian Guo, Karim Guirguis, Bin Yang

Second, in contrast to previous works which employ one discriminator that overfits the target domain semantic distribution, we employ a discriminator for the whole image and multiscale discriminators on the image patches.

Autonomous Driving Image Generation

Urban-StyleGAN: Learning to Generate and Manipulate Images of Urban Scenes

no code implementations16 May 2023 George Eskandar, Youssef Farag, Tarun Yenamandra, Daniel Cremers, Karim Guirguis, Bin Yang

Moreover, we employ an unsupervised latent exploration algorithm in the $\mathcal{S}$-space of the generator and show that it is more efficient than the conventional $\mathcal{W}^{+}$-space in controlling the image content.

Autonomous Driving Disentanglement +2

NIFF: Alleviating Forgetting in Generalized Few-Shot Object Detection via Neural Instance Feature Forging

no code implementations CVPR 2023 Karim Guirguis, Johannes Meier, George Eskandar, Matthias Kayser, Bin Yang, Juergen Beyerer

Our contribution is three-fold: (1) we design a standalone lightweight generator with (2) class-wise heads (3) to generate and replay diverse instance-level base features to the RoI head while finetuning on the novel data.

Data-free Knowledge Distillation Few-Shot Object Detection +2

Towards Discriminative and Transferable One-Stage Few-Shot Object Detectors

no code implementations11 Oct 2022 Karim Guirguis, Mohamed Abdelsamad, George Eskandar, Ahmed Hendawy, Matthias Kayser, Bin Yang, Juergen Beyerer

We make the observation that the large gap in performance between two-stage and one-stage FSODs are mainly due to their weak discriminability, which is explained by a small post-fusion receptive field and a small number of foreground samples in the loss function.

Few-Shot Object Detection object-detection

CFA: Constraint-based Finetuning Approach for Generalized Few-Shot Object Detection

no code implementations11 Apr 2022 Karim Guirguis, Ahmed Hendawy, George Eskandar, Mohamed Abdelsamad, Matthias Kayser, Juergen Beyerer

In this work, we propose a constraint-based finetuning approach (CFA) to alleviate catastrophic forgetting, while achieving competitive results on the novel task without increasing the model capacity.

Continual Learning Few-Shot Object Detection +1

Few-Shot Object Detection in Unseen Domains

no code implementations11 Apr 2022 Karim Guirguis, George Eskandar, Matthias Kayser, Bin Yang, Juergen Beyerer

First, we leverage a meta-training paradigm, where we learn the domain shift on the base classes, then transfer the domain knowledge to the novel classes.

Domain Generalization Few-Shot Object Detection +2

USIS: Unsupervised Semantic Image Synthesis

1 code implementation29 Sep 2021 George Eskandar, Mohamed Abdelsamad, Karim Armanious, Bin Yang

Semantic Image Synthesis (SIS) is a subclass of image-to-image translation where a photorealistic image is synthesized from a segmentation mask.

Image-to-Image Translation Translation

SLPC: a VRNN-based approach for stochastic lidar prediction and completion in autonomous driving

no code implementations19 Feb 2021 George Eskandar, Alexander Braun, Martin Meinke, Karim Armanious, Bin Yang

Our algorithm is able to address the limitations of previous video prediction frameworks when dealing with sparse data by spatially inpainting the depth maps in the upcoming frames.

Autonomous Driving Decision Making +2

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