no code implementations • 26 Nov 2024 • Ahmed Akl, Abdelwahed Khamis, Zhe Wang, Ali Cheraghian, Sara Khalifa, Kewen Wang
In this work, we show for the first time that robust Visual Question Answering is attainable by simply enhancing the training strategy.
1 code implementation • 21 Nov 2024 • Hamidreza Dastmalchi, Aijun An, Ali Cheraghian, Shafin Rahman, Sameera Ramasinghe
Test-time adaptation (TTA) of 3D point clouds is crucial for mitigating discrepancies between training and testing samples in real-world scenarios, particularly when handling corrupted point clouds.
1 code implementation • 11 Oct 2024 • Sahar Ahmadi, Ali Cheraghian, Morteza Saberi, Md. Towsif Abir, Hamidreza Dastmalchi, Farookh Hussain, Shafin Rahman
This paper introduces a new method to tackle the Few-Shot Continual Incremental Learning (FSCIL) problem in 3D point cloud environments.
class-incremental learning Few-Shot Class-Incremental Learning +1
1 code implementation • 26 Aug 2024 • Amrijit Biswas, Md. Ismail Hossain, M M Lutfe Elahi, Ali Cheraghian, Fuad Rahman, Nabeel Mohammed, Shafin Rahman
The adoption of deep neural networks referred to as Point Cloud Neural Networks (PC- NNs), for processing 3D point clouds, has significantly advanced fields that rely on 3D geometric data to enhance the efficiency of tasks.
1 code implementation • CVPR 2024 • Yanshuo Wang, Ali Cheraghian, Zeeshan Hayder, Jie Hong, Sameera Ramasinghe, Shafin Rahman, David Ahmedt-Aristizabal, Xuesong Li, Lars Petersson, Mehrtash Harandi
Here, we propose a novel method that uses a backpropagation-free approach for TTA for the specific case of 3D data.
1 code implementation • 18 Oct 2023 • Fahimul Hoque Shubho, Townim Faisal Chowdhury, Ali Cheraghian, Morteza Saberi, Nabeel Mohammed, Shafin Rahman
Then, we enrich word vectors by combining the word embeddings from class names and descriptions generated by ChatGPT.
1 code implementation • 5 Oct 2023 • Md. Ismail Hossain, M M Lutfe Elahi, Sameera Ramasinghe, Ali Cheraghian, Fuad Rahman, Nabeel Mohammed, Shafin Rahman
In knowledge distillation literature, feature-based methods have dominated due to their ability to effectively tap into extensive teacher models.
Ranked #1 on Classification on CIFAR-100
no code implementations • 5 Oct 2023 • Yanshuo Wang, Jie Hong, Ali Cheraghian, Shafin Rahman, David Ahmedt-Aristizabal, Lars Petersson, Mehrtash Harandi
DSS consists of dynamic thresholding, positive learning, and negative learning processes.
no code implementations • 29 Sep 2022 • Majid Nasiri, Ali Cheraghian, Townim Faisal Chowdhury, Sahar Ahmadi, Morteza Saberi, Shafin Rahman
To address this problem, we propose a prompt-guided 3D scene generation and supervision method that augments 3D data to learn the network better, exploring the complex interplay of seen and unseen objects.
1 code implementation • 30 May 2022 • Townim Chowdhury, Ali Cheraghian, Sameera Ramasinghe, Sahar Ahmadi, Morteza Saberi, Shafin Rahman
Few-shot class-incremental learning (FSCIL) aims to incrementally fine-tune a model (trained on base classes) for a novel set of classes using a few examples without forgetting the previous training.
class-incremental learning Few-Shot Class-Incremental Learning +1
1 code implementation • 27 Jun 2021 • Townim Chowdhury, Mahira Jalisha, Ali Cheraghian, Shafin Rahman
Experimenting on three 3D point cloud recognition backbones (PointNet, DGCNN, and PointConv) and synthetic (ModelNet40, ModelNet10) and real scanned (ScanObjectNN) datasets, we establish new baseline results on learning without forgetting for 3D data.
1 code implementation • 11 Apr 2021 • Ali Cheraghian, Shafinn Rahman, Townim F. Chowdhury, Dylan Campbell, Lars Petersson
Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification.
no code implementations • CVPR 2021 • Ali Cheraghian, Shafin Rahman, Pengfei Fang, Soumava Kumar Roy, Lars Petersson, Mehrtash Harandi
Few-shot class incremental learning (FSCIL) portrays the problem of learning new concepts gradually, where only a few examples per concept are available to the learner.
class-incremental learning Few-Shot Class-Incremental Learning +3
no code implementations • ICCV 2021 • Ali Cheraghian, Shafin Rahman, Sameera Ramasinghe, Pengfei Fang, Christian Simon, Lars Petersson, Mehrtash Harandi
In this paper, we propose addressing this problem using a mixture of subspaces.
class-incremental learning Few-Shot Class-Incremental Learning +2
1 code implementation • 16 Dec 2019 • Ali Cheraghian, Shafin Rahman, Dylan Campbell, Lars Petersson
This paper extends, for the first time, transductive Zero-Shot Learning (ZSL) and Generalized Zero-Shot Learning (GZSL) approaches to the domain of 3D point cloud classification.
no code implementations • 15 Jul 2019 • Ali Cheraghian, Shafin Rahman, Dylan Campbell, Lars Petersson
In this paper, we therefore propose a loss to specifically address the hubness problem.
1 code implementation • 27 Feb 2019 • Ali Cheraghian, Shafin Rahman, Lars Petersson
A challenge for a 3D point cloud recognition system is, then, to classify objects from new, unseen, classes.
no code implementations • 6 Nov 2018 • Ali Cheraghian, Lars Petersson
This paper introduces the 3DCapsule, which is a 3D extension of the recently introduced Capsule concept that makes it applicable to unordered point sets.