Search Results for author: Ali Cheraghian

Found 14 papers, 7 papers with code

ChatGPT-guided Semantics for Zero-shot Learning

1 code implementation18 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.

Attribute Language Modelling +3

LumiNet: The Bright Side of Perceptual Knowledge Distillation

1 code implementation5 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.

Classification Knowledge Distillation +1

Prompt-guided Scene Generation for 3D Zero-Shot Learning

no code implementations29 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.

Contrastive Learning Data Augmentation +2

Few-shot Class-incremental Learning for 3D Point Cloud Objects

1 code implementation30 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.

Few-Shot Class-Incremental Learning Incremental Learning

Learning without Forgetting for 3D Point Cloud Objects

1 code implementation27 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.

Knowledge Distillation

Zero-Shot Learning on 3D Point Cloud Objects and Beyond

1 code implementation11 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.

3D Point Cloud Classification Classification +5

Semantic-aware Knowledge Distillation for Few-Shot Class-Incremental Learning

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.

Few-Shot Class-Incremental Learning Incremental Learning +2

Transductive Zero-Shot Learning for 3D Point Cloud Classification

1 code implementation16 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.

3D Point Cloud Classification Classification +4

Zero-shot Learning of 3D Point Cloud Objects

1 code implementation27 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.

Attribute Zero-Shot Learning

3DCapsule: Extending the Capsule Architecture to Classify 3D Point Clouds

no code implementations6 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.

Classification Classify 3D Point Clouds +1

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