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Fine-grained vision-language understanding requires precise alignment between visual content and linguistic descriptions, a capability that remains limited in current models, particularly in non-English settings. While models like CLIP…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chunyu Xie , Bin Wang , Fanjing Kong , Jincheng Li , Dawei Liang , Ji Ao , Dawei Leng , Yuhui Yin

Improving patient outcomes depends on the prompt and accurate diagnosis of brain tumors, but manual MRI scan analysis is still time-consuming and unreliable. Although deep learning has shown promise, many of the models that are now in use…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Md Fahimul Kabir Chowdhury , Jannatul Ferdous

The analysis of multi-modality positron emission tomography and computed tomography (PET-CT) images for computer aided diagnosis applications requires combining the sensitivity of PET to detect abnormal regions with anatomical localization…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Ashnil Kumar , Michael Fulham , Dagan Feng , Jinman Kim

Fine-grained text to image synthesis involves generating images from texts that belong to different categories. In contrast to general text to image synthesis, in fine-grained synthesis there is high similarity between images of different…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Xu Ouyang , Ying Chen , Kaiyue Zhu , Gady Agam

Fine-grained visual classification (FGVC) is challenging but more critical than traditional classification tasks. It requires distinguishing different subcategories with the inherently subtle intra-class object variations. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Zhenhuan Huang , Xiaoyue Duan , Bo Zhao , Jinhu Lü , Baochang Zhang

Tumor segmentation in whole-slide images of histology slides is an important step towards computer-assisted diagnosis. In this work, we propose a tumor segmentation framework based on the novel concept of persistent homology profiles…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Talha Qaiser , Yee-Wah Tsang , Daiki Taniyama , Naoya Sakamoto , Kazuaki Nakane , David Epstein , Nasir Rajpoot

Gliomas are brain tumor types that have a high mortality rate which means early and accurate diagnosis is important for therapeutic intervention for the tumors. To address this difficulty, the proposed research will develop a hybrid deep…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Pandiyaraju V , Sreya Mynampati , Abishek Karthik , Poovarasan L , D. Saraswathi

In this paper, we present a fully automatic brain tumor segmentation and classification model using a Deep Convolutional Neural Network that includes a multiscale approach. One of the differences of our proposal with respect to previous…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Francisco Javier Díaz-Pernas , Mario Martínez-Zarzuela , Míriam Antón-Rodríguez , David González-Ortega

Medical image enhancement and segmentation are critical yet challenging tasks in modern clinical practice, constrained by artifacts and complex anatomical variations. Traditional deep learning approaches often rely on complex architectures…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Maksim Penkin , Andrey Krylov

Gliomas are aggressive brain tumors that require accurate imaging-based diagnosis, with segmentation playing a critical role in evaluating morphology and treatment decisions. Manual delineation of gliomas is time-consuming and prone to…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Cecilia Diana-Albelda , Roberto Alcover-Couso , Álvaro García-Martín , Jesus Bescos , Marcos Escudero-Viñolo

Fine-grained visual classification (FGVC) aims to classify sub-classes of objects in the same super-class (e.g., species of birds, models of cars). For the FGVC tasks, the essential solution is to find discriminative subtle information of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Chenyu Guo , Jiyang Xie , Kongming Liang , Xian Sun , Zhanyu Ma

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Fine-grained classification involves distinguishing between similar sub-categories based on subtle differences in highly localized regions; therefore, accurate localization of discriminative regions remains a major challenge. We describe a…

Computer Vision and Pattern Recognition · Computer Science 2016-05-05 Yaming Wang , Jonghyun Choi , Vlad I. Morariu , Larry S. Davis

Zero-Shot Learning (ZSL) is achieved via aligning the semantic relationships between the global image feature vector and the corresponding class semantic descriptions. However, using the global features to represent fine-grained images may…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Yunlong Yu , Zhong Ji , Yanwei Fu , Jichang Guo , Yanwei Pang , Zhongfei Zhang

Brain tumor segmentation is often based on multiple magnetic resonance imaging (MRI). However, in clinical practice, certain modalities of MRI may be missing, which presents a more difficult scenario. To cope with this challenge, Knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Tianyi Liu , Zhaorui Tan , Muyin Chen , Xi Yang , Haochuan Jiang , Kaizhu Huang

Recent progress in large-scale pre-training has led to the development of advanced vision-language models (VLMs) with remarkable proficiency in comprehending and generating multimodal content. Despite the impressive ability to perform…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Hang Hua , Jing Shi , Kushal Kafle , Simon Jenni , Daoan Zhang , John Collomosse , Scott Cohen , Jiebo Luo

Fine-Grained Domain Generalization (FGDG) presents greater challenges than conventional domain generalization due to the subtle inter-class differences and relatively pronounced intra-class variations inherent in fine-grained recognition…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Zhen Wang , Jiaojiao Zhao , Qilong Wang , Yongfeng Dong , Wenlong Yu

Breast tumor segmentation provides accurate tumor boundary, and serves as a key step toward further cancer quantification. Although deep learning-based approaches have been proposed and achieved promising results, existing approaches have…

Image and Video Processing · Electrical Eng. & Systems 2020-02-05 Bryar Shareef , Min Xian , Aleksandar Vakanski

Recent research has shown that aligning fine-grained text descriptions with localized image patches can significantly improve the zero-shot performance of pre-trained vision-language models (e.g., CLIP). However, we find that both…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Yuhao Sun , Chengyi Cai , Jiacheng Zhang , Zesheng Ye , Xingliang Yuan , Feng Liu

Fine-grained visual categorization (FGVC) aims to discriminate similar subcategories, whose main challenge is the large intraclass diversities and subtle inter-class differences. Existing FGVC methods usually select discriminant regions…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Yu Wang , Shuo Ye , Shujian Yu , Xinge You