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Existing image-to-image transformation approaches primarily focus on synthesizing visually pleasing data. Generating images with correct identity labels is challenging yet much less explored. It is even more challenging to deal with image…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Wei Xiong , Yutong He , Yixuan Zhang , Wenhan Luo , Lin Ma , Jiebo Luo

The swift advancement in photo-realistic face generation technology has sparked considerable concerns across society and academia, emphasizing the requirement of generalizable face forgery detection and localization methods. Prior works…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yaning Zhang , Tianyi Wang , Zan Gao , Yibo Zhao , Chunjie Ma , Meng Wang

Fine-grained image search is still a challenging problem due to the difficulty in capturing subtle differences regardless of pose variations of objects from fine-grained categories. In practice, a dynamic inventory with new fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Kevin Lin , Fan Yang , Qiaosong Wang , Robinson Piramuthu

Text contained in an image carries high-level semantics that can be exploited to achieve richer image understanding. In particular, the mere presence of text provides strong guiding content that should be employed to tackle a diversity of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Andres Mafla , Sounak Dey , Ali Furkan Biten , Lluis Gomez , Dimosthenis Karatzas

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

Few-shot fine-grained visual classification (FGVC) aims to leverage limited data to enable models to discriminate subtly distinct categories. Recent works mostly finetuned the pre-trained visual language models to achieve performance gain,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Hongyu Guo , Xiangzhao Hao , Jiarui Guo , Haiyun Guo , Jinqiao Wang , Tat-Seng Chua

Automatic detecting anomalous regions in images of objects or textures without priors of the anomalies is challenging, especially when the anomalies appear in very small areas of the images, making difficult-to-detect visual variations,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Jie Yang , Yong Shi , Zhiquan Qi

We present DiffBIR, a general restoration pipeline that could handle different blind image restoration tasks in a unified framework. DiffBIR decouples blind image restoration problem into two stages: 1) degradation removal: removing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Xinqi Lin , Jingwen He , Ziyan Chen , Zhaoyang Lyu , Bo Dai , Fanghua Yu , Wanli Ouyang , Yu Qiao , Chao Dong

The core for tackling the fine-grained visual categorization (FGVC) is to learn subtle yet discriminative features. Most previous works achieve this by explicitly selecting the discriminative parts or integrating the attention mechanism via…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Jun Wang , Xiaohan Yu , Yongsheng Gao

Fine-grained vehicle recognition (FGVR) is an essential fundamental technology for intelligent transportation systems, but very difficult because of its inherent intra-class variation. Most previous FGVR studies only focus on the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Dichao Liu

Fine-grained image classification has emerged as a significant challenge because objects in such images have small inter-class visual differences but with large variations in pose, lighting, and viewpoints, etc. Most existing work focuses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Xuelu Li , Vishal Monga

Despite the tremendous success of deep models in various individual image restoration tasks, there are at least two major technical challenges preventing these works from being applied to real-world usages: (1) the lack of generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xiangtao Kong , Jinjin Gu , Yihao Liu , Wenlong Zhang , Xiangyu Chen , Yu Qiao , Chao Dong

The process of using one image to guide the filtering process of another one is called Guided Image Filtering (GIF). The main challenge of GIF is the structure inconsistency between the guidance image and the target image. Besides, noise in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Wei Liu , Xiaogang Chen , Chunhua Shen , Jingyi Yu , Qiang Wu , Jie Yang

Fine-grained visual classification (FGVC) is a challenging computer vision problem, where the task is to automatically recognise objects from subordinate categories. One of its main difficulties is capturing the most discriminative…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Dmitry Demidov , Muhammad Hamza Sharif , Aliakbar Abdurahimov , Hisham Cholakkal , Fahad Shahbaz Khan

Composed Image Retrieval (CIR) is a task that retrieves images similar to a query, based on a provided textual modification. Current techniques rely on supervised learning for CIR models using labeled triplets of the reference image, text,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Young Kyun Jang , Donghyun Kim , Zihang Meng , Dat Huynh , Ser-Nam Lim

Training a fine-grained image recognition model with limited data presents a significant challenge, as the subtle differences between categories may not be easily discernible amidst distracting noise patterns. One commonly employed strategy…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Avraham Chapman , Haiming Xu , Lingqiao Liu

Fine-grained recognition involves the classification of images from subordinate macro-categories, and it is challenging due to small inter-class differences. To overcome this, most methods perform discriminative feature selection enabled by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Edwin Arkel Rios , Min-Chun Hu , Bo-Cheng Lai

Composed Image Retrieval (CIR) aims to retrieve target images from a gallery based on a reference image and modification text as a combined query. Recent approaches focus on balancing global information from two modalities and encode the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yuxin Yang , Yinan Zhou , Yuxin Chen , Ziqi Zhang , Zongyang Ma , Chunfeng Yuan , Bing Li , Lin Song , Jun Gao , Peng Li , Weiming Hu

Generative retrieval (GR) reframes document retrieval as an end-to-end task of generating sequential document identifiers (DocIDs). Existing GR methods predominantly rely on left-to-right auto-regressive decoding, which suffers from two…

Information Retrieval · Computer Science 2026-02-04 Xinpeng Zhao , Zhaochun Ren , Yukun Zhao , Zhenyang Li , Mengqi Zhang , Jun Feng , Ran Chen , Ying Zhou , Zhumin Chen , Shuaiqiang Wang , Dawei Yin , Xin Xin

Few-shot fine-grained recognition (FS-FGR) aims to recognize novel fine-grained categories with the help of limited available samples. Undoubtedly, this task inherits the main challenges from both few-shot learning and fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Zican Zha , Hao Tang , Yunlian Sun , Jinhui Tang