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The class-conditional image generation based on diffusion models is renowned for generating high-quality and diverse images. However, most prior efforts focus on generating images for general categories, e.g., 1000 classes in ImageNet-1k. A…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Ziying Pan , Kun Wang , Gang Li , Feihong He , Yongxuan Lai

Cultural heritage applications and advanced machine learning models are creating a fruitful synergy to provide effective and accessible ways of interacting with artworks. Smart audio-guides, personalized art-related content and gamification…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Dario Cioni , Lorenzo Berlincioni , Federico Becattini , Alberto del Bimbo

Classifier-guided diffusion models have emerged as a powerful approach for conditional image generation, but they suffer from overconfident predictions during early denoising steps, causing the guidance gradient to vanish. This paper…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Seyed Alireza Javid , Amirhossein Bagheri , Nuria González-Prelcic

Handwriting recognition remains challenging for some of the most spoken languages, like Bangla, due to the complexity of line and word segmentation brought by the curvilinear nature of writing and lack of quality datasets. This paper solves…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Sheikh Mohammad Jubaer , Nazifa Tabassum , Md. Ataur Rahman , Mohammad Khairul Islam

Unsupervised Contrastive learning has gained prominence in fields such as vision, and biology, leveraging predefined positive/negative samples for representation learning. Data augmentation, categorized into hand-designed and model-based…

机器学习 · 计算机科学 2024-05-28 Zelin Zang , Hao Luo , Kai Wang , Panpan Zhang , Fan Wang , Stan. Z Li , Yang You

In order to provide benchmark performance for Urdu text document classification, the contribution of this paper is manifold. First, it pro-vides a publicly available benchmark dataset manually tagged against 6 classes. Second, it…

Generating fine-grained, realistic images from text has many applications in the visual and semantic realm. Considering that, we propose Bangla Attentional Generative Adversarial Network (AttnGAN) that allows intensified, multi-stage…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Md Aminul Haque Palash , Md Abdullah Al Nasim , Aditi Dhali , Faria Afrin

The promise of Large Language Models (LLMs) in Natural Language Processing has often been overshadowed by their limited performance in low-resource languages such as Bangla. To address this, our paper presents a pioneering approach that…

计算与语言 · 计算机科学 2023-12-05 Xiaoqian Li , Ercong Nie , Sheng Liang

Bangla is the seventh most spoken language by a total number of speakers in the world, and yet the development of an automated grammar checker in this language is an understudied problem. Bangla grammatical error detection is a task of…

计算与语言 · 计算机科学 2024-11-14 Shayekh Bin Islam , Ridwanul Hasan Tanvir , Sihat Afnan

Sign language is the only medium of communication for the hearing impaired and the deaf and dumb community. Communication with the general mass is thus always a challenge for this minority group. Especially in Bangla sign language (BdSL),…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Thasin Abedin , Khondokar S. S. Prottoy , Ayana Moshruba , Safayat Bin Hakim

Recently, Transformer-based encoder-decoder models have demonstrated strong performance in multilingual speech recognition. However, the decoder's autoregressive nature and large size introduce significant bottlenecks during inference.…

音频与语音处理 · 电气工程与系统科学 2025-08-28 Yunkyu Lim , Jihwan Park , Hyung Yong Kim , Hanbin Lee , Byeong-Yeol Kim

We propose a novel architecture for labelling character sequences that achieves state-of-the-art results on the Tashkeela Arabic diacritization benchmark. The core is a two-level recurrence hierarchy that operates on the word and character…

计算与语言 · 计算机科学 2020-11-03 Badr AlKhamissi , Muhammad N. ElNokrashy , Mohamed Gabr

Handwritten character recognition has been the center of research and a benchmark problem in the sector of pattern recognition and artificial intelligence, and it continues to be a challenging research topic. Due to its enormous application…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Akm Ashiquzzaman , Abdul Kawsar Tushar , Md Ashiqur Rahman

Due to the sparsity of features, noise has proven to be a great inhibitor in the classification of handwritten characters. To combat this, most techniques perform denoising of the data before classification. In this paper, we consolidate…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Qun Liu , Edward Collier , Supratik Mukhopadhyay

This study investigates the robustness of image classifiers to text-guided corruptions. We utilize diffusion models to edit images to different domains. Unlike other works that use synthetic or hand-picked data for benchmarking, we use…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Mohammadreza Mofayezi , Yasamin Medghalchi

Arabic dialect recognition presents a significant challenge in speech technology due to the linguistic diversity of Arabic and the scarcity of large annotated datasets, particularly for underrepresented dialects. This research investigates…

音频与语音处理 · 电气工程与系统科学 2025-06-27 Ghazal Al-Shwayyat , Omer Nezih Gerek

Image generative models, particularly diffusion-based models, have surged in popularity due to their remarkable ability to synthesize highly realistic images. However, since these models are data-driven, they inherit biases from the…

机器学习 · 计算机科学 2025-03-18 Lin-Chun Huang , Ching Chieh Tsao , Fang-Yi Su , Jung-Hsien Chiang

This paper is concerned with the development of Back-propagation Neural Network for Bangla Speech Recognition. In this paper, ten bangla digits were recorded from ten speakers and have been recognized. The features of these speech digits…

计算与语言 · 计算机科学 2013-08-20 Md. Ali Hossain , Md. Mijanur Rahman , Uzzal Kumar Prodhan , Md. Farukuzzaman Khan

The increasing reliance on large-scale datasets in machine learning poses significant privacy and ethical challenges, particularly in sensitive domains such as face recognition. Synthetic data generation offers a promising alternative;…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Parsa Rahimi , Damien Teney , Sebastien Marcel

Bangla Sign Language (BdSL) translation represents a low-resource NLP task due to the lack of large-scale datasets that address sentence-level translation. Correspondingly, existing research in this field has been limited to word and…

计算与语言 · 计算机科学 2025-11-12 Neelavro Saha , Rafi Shahriyar , Nafis Ashraf Roudra , Saadman Sakib , Annajiat Alim Rasel