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Weakly-Supervised Semantic Segmentation (WSSS) methods with image-level labels generally train a classification network to generate the Class Activation Maps (CAMs) as the initial coarse segmentation labels. However, current WSSS methods…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Lixiang Ru , Bo Du , Yibing Zhan , Chen Wu

Vision-language pre-training (VLP) has recently proven highly effective for various uni- and multi-modal downstream applications. However, most existing end-to-end VLP methods use high-resolution image-text box data to perform well on…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Shraman Pramanick , Li Jing , Sayan Nag , Jiachen Zhu , Hardik Shah , Yann LeCun , Rama Chellappa

Vision-language models (VLMs), such as CLIP and ALIGN, are generally trained on datasets consisting of image-caption pairs obtained from the web. However, real-world multimodal datasets, such as healthcare data, are significantly more…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Maya Varma , Jean-Benoit Delbrouck , Sarah Hooper , Akshay Chaudhari , Curtis Langlotz

Existing Multimodal Large Language Models (MLLMs) for image forgery detection and localization predominantly operate under a text-centric Chain-of-Thought (CoT) paradigm. However, forcing these models to textually characterize imperceptible…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Youqi Wang , Shen Chen , Haowei Wang , Rongxuan Peng , Taiping Yao , Shunquan Tan , Changsheng Chen , Bin Li , Shouhong Ding

Weakly-supervised learning approaches have gained significant attention due to their ability to reduce the effort required for human annotations in training neural networks. This paper investigates a framework for weakly-supervised object…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Byeongkeun Kang , Sinhae Cha , Yeejin Lee

Modern deep learning models require large amounts of accurately annotated data, which is often difficult to satisfy. Hence, weakly supervised tasks, including weakly supervised object localization~(WSOL) and detection~(WSOD), have recently…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Chen-Lin Zhang , Yin Li , Jianxin Wu

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

Weakly supervised vision-and-language pre-training (WVLP), which learns cross-modal representations with limited cross-modal supervision, has been shown to effectively reduce the data cost of pre-training while maintaining decent…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Chi Chen , Peng Li , Maosong Sun , Yang Liu

Reliable face forgery detection algorithms are crucial for countering the growing threat of deepfake-driven disinformation. Previous research has demonstrated the potential of Multimodal Large Language Models (MLLMs) in identifying…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Siran Peng , Zipei Wang , Li Gao , Xiangyu Zhu , Tianshuo Zhang , Ajian Liu , Haoyuan Zhang , Zhen Lei

Weakly-supervised semantic segmentation under image tags supervision is a challenging task as it directly associates high-level semantic to low-level appearance. To bridge this gap, in this paper, we propose an iterative bottom-up and…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Xiang Wang , Shaodi You , Xi Li , Huimin Ma

Fine-grained image classification is to recognize hundreds of subcategories in each basic-level category. Existing methods employ discriminative localization to find the key distinctions among subcategories. However, they generally have two…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Xiangteng He , Yuxin Peng , Junjie Zhao

Despite recent advances in Vision-Language Models (VLMs), they may over-rely on visual language priors existing in their training data rather than true visual reasoning. To investigate this, we introduce ViLP, a benchmark featuring…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Tiange Luo , Ang Cao , Gunhee Lee , Justin Johnson , Honglak Lee

Phrase localization is a task that studies the mapping from textual phrases to regions of an image. Given difficulties in annotating phrase-to-object datasets at scale, we develop a Multimodal Alignment Framework (MAF) to leverage more…

计算与语言 · 计算机科学 2020-10-13 Qinxin Wang , Hao Tan , Sheng Shen , Michael W. Mahoney , Zhewei Yao

Multimodal large language models (MLLMs) have recently demonstrated remarkable reasoning and perceptual abilities for anomaly detection. However, most approaches remain confined to image-level anomaly detection and textual reasoning, while…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Yizhou Jin , Yuezhu Feng , Jinjin Zhang , Peng Wang , Qingjie Liu , Yunhong Wang

We propose a weakly-supervised approach that takes image-sentence pairs as input and learns to visually ground (i.e., localize) arbitrary linguistic phrases, in the form of spatial attention masks. Specifically, the model is trained with…

计算机视觉与模式识别 · 计算机科学 2017-05-04 Fanyi Xiao , Leonid Sigal , Yong Jae Lee

Existing studies in weakly supervised semantic segmentation (WSSS) have utilized class activation maps (CAMs) to localize the class objects. However, since a classification loss is insufficient for providing precise object regions, CAMs…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Sung-Hoon Yoon , Hyeokjun Kweon , Jaeseok Jeong , Hyeonseong Kim , Shinjeong Kim , Kuk-Jin Yoon

Subtle semantic differences in retinal image and text data present great challenges for pre-training visual-language models. Moreover, false negative samples, i.e., image-text pairs having the same semantics but incorrectly regarded as…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Shengzhu Yang , Jiawei Du , Jia Guo , Weihang Zhang , Hanruo Liu , Huiqi Li , Ningli Wang

As advanced image manipulation techniques emerge, detecting the manipulation becomes increasingly important. Despite the success of recent learning-based approaches for image manipulation detection, they typically require expensive…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yuanhao Zhai , Tianyu Luan , David Doermann , Junsong Yuan

Image forgery localization (IFL) is a crucial technique for preventing tampered image misuse and protecting social safety. However, due to the rapid development of image tampering technologies, extracting more comprehensive and accurate…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ziqi Sheng , Wei Lu , Xiangyang Luo , Jiantao Zhou , Xiaochun Cao

Vision-language pre-training (VLP) methods are blossoming recently, and its crucial goal is to jointly learn visual and textual features via a transformer-based architecture, demonstrating promising improvements on a variety of…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Weihan Wang , Zhen Yang , Bin Xu , Juanzi Li , Yankui Sun