Search Results for author: Abdullah Hamdi

Found 18 papers, 12 papers with code

Learning Rotation for Kernel Correlation Filter

no code implementations11 Aug 2017 Abdullah Hamdi, Bernard Ghanem

Kernel Correlation Filters have shown a very promising scheme for visual tracking in terms of speed and accuracy on several benchmarks.

Visual Tracking

SADA: Semantic Adversarial Diagnostic Attacks for Autonomous Applications

1 code implementation5 Dec 2018 Abdullah Hamdi, Matthias Müller, Bernard Ghanem

In contrast, we present a general framework for adversarial attacks on trained agents, which covers semantic perturbations to the environment of the agent performing the task as well as pixel-level attacks.

Adversarial Attack Autonomous Driving +3

Towards Analyzing Semantic Robustness of Deep Neural Networks

1 code implementation9 Apr 2019 Abdullah Hamdi, Bernard Ghanem

Despite the impressive performance of Deep Neural Networks (DNNs) on various vision tasks, they still exhibit erroneous high sensitivity toward semantic primitives (e. g. object pose).

Adversarial Attack Autonomous Driving +1

IAN: Combining Generative Adversarial Networks for Imaginative Face Generation

no code implementations16 Apr 2019 Abdullah Hamdi, Bernard Ghanem

Generative Adversarial Networks (GANs) have gained momentum for their ability to model image distributions.

Face Generation

Expected Tight Bounds for Robust Training

2 code implementations28 May 2019 Salman Al-Subaihi, Adel Bibi, Modar Alfadly, Abdullah Hamdi, Bernard Ghanem

In this paper, we closely examine the bounds of a block of layers composed in the form of Affine-ReLU-Affine.

Expected Tight Bounds for Robust Deep Neural Network Training

no code implementations25 Sep 2019 Salman AlSubaihi, Adel Bibi, Modar Alfadly, Abdullah Hamdi, Bernard Ghanem

al. that bounded input intervals can be inexpensively propagated from layer to layer through deep networks.

AdvPC: Transferable Adversarial Perturbations on 3D Point Clouds

1 code implementation ECCV 2020 Abdullah Hamdi, Sara Rojas, Ali Thabet, Bernard Ghanem

Our proposed attack increases the attack success rate by up to 40% for those transferred to unseen networks (transferability), while maintaining a high success rate on the attacked network.

Adversarial Attack Classify 3D Point Clouds

MVTN: Multi-View Transformation Network for 3D Shape Recognition

2 code implementations ICCV 2021 Abdullah Hamdi, Silvio Giancola, Bernard Ghanem

MVTN exhibits clear performance gains in the tasks of 3D shape classification and 3D shape retrieval without the need for extra training supervision.

3D Classification 3D Object Retrieval +6

Voint Cloud: Multi-View Point Cloud Representation for 3D Understanding

2 code implementations30 Nov 2021 Abdullah Hamdi, Silvio Giancola, Bernard Ghanem

To this end, we introduce the concept of the multi-view point cloud (Voint cloud), representing each 3D point as a set of features extracted from several view-points.

3D Classification 3D Part Segmentation +3

Pix4Point: Image Pretrained Standard Transformers for 3D Point Cloud Understanding

1 code implementation25 Aug 2022 Guocheng Qian, Abdullah Hamdi, Xingdi Zhang, Bernard Ghanem

Pretrained on a large number of widely available images, significant gains of PViT are observed in the tasks of 3D point cloud classification, part segmentation, and semantic segmentation on ScanObjectNN, ShapeNetPart, and S3DIS, respectively.

3D Point Cloud Classification Inductive Bias +2

EgoLoc: Revisiting 3D Object Localization from Egocentric Videos with Visual Queries

1 code implementation ICCV 2023 Jinjie Mai, Abdullah Hamdi, Silvio Giancola, Chen Zhao, Bernard Ghanem

Yet, we point out that the low number of camera poses caused by camera re-localization from previous VQ3D methods severally hinders their overall success rate.

3D Reconstruction Object +2

SPARF: Large-Scale Learning of 3D Sparse Radiance Fields from Few Input Images

1 code implementation18 Dec 2022 Abdullah Hamdi, Bernard Ghanem, Matthias Nießner

SuRFNet employs partial SRFs from few/one images and a specialized SRF loss to learn to generate high-quality sparse voxel radiance fields that can be rendered from novel views.

Novel View Synthesis

MVTN: Learning Multi-View Transformations for 3D Understanding

1 code implementation27 Dec 2022 Abdullah Hamdi, Faisal AlZahrani, Silvio Giancola, Bernard Ghanem

Multi-view projection techniques have shown themselves to be highly effective in achieving top-performing results in the recognition of 3D shapes.

3D Classification 3D Shape Classification +2

VARS: Video Assistant Referee System for Automated Soccer Decision Making from Multiple Views

no code implementations10 Apr 2023 Jan Held, Anthony Cioppa, Silvio Giancola, Abdullah Hamdi, Bernard Ghanem, Marc Van Droogenbroeck

The Video Assistant Referee (VAR) has revolutionized association football, enabling referees to review incidents on the pitch, make informed decisions, and ensure fairness.

Decision Making Fairness

Magic123: One Image to High-Quality 3D Object Generation Using Both 2D and 3D Diffusion Priors

1 code implementation30 Jun 2023 Guocheng Qian, Jinjie Mai, Abdullah Hamdi, Jian Ren, Aliaksandr Siarohin, Bing Li, Hsin-Ying Lee, Ivan Skorokhodov, Peter Wonka, Sergey Tulyakov, Bernard Ghanem

We present Magic123, a two-stage coarse-to-fine approach for high-quality, textured 3D meshes generation from a single unposed image in the wild using both2D and 3D priors.

Image to 3D

GES: Generalized Exponential Splatting for Efficient Radiance Field Rendering

1 code implementation15 Feb 2024 Abdullah Hamdi, Luke Melas-Kyriazi, Guocheng Qian, Jinjie Mai, Ruoshi Liu, Carl Vondrick, Bernard Ghanem, Andrea Vedaldi

With the aid of a frequency-modulated loss, GES achieves competitive performance in novel-view synthesis benchmarks while requiring less than half the memory storage of Gaussian Splatting and increasing the rendering speed by up to 39%.

3D Reconstruction Novel View Synthesis

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