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One key bottleneck of employing state-of-the-art semantic segmentation networks in the real world is the availability of training labels. Conventional semantic segmentation networks require massive pixel-wise annotated labels to reach…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Erik Ostrowski , Muhammad Shafique

Evaluating the alignment between textual prompts and generated images is critical for ensuring the reliability and usability of text-to-image (T2I) models. However, most existing evaluation methods rely on coarse-grained metrics or static…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Fulin Shi , Wenyi Xiao , Bin Chen , Liang Din , Leilei Gan

Semantic segmentation is a crucial task in computer vision that involves segmenting images into semantically meaningful regions at the pixel level. However, existing approaches often rely on expensive human annotations as supervision for…

计算机视觉与模式识别 · 计算机科学 2023-06-02 Jun Chen , Deyao Zhu , Guocheng Qian , Bernard Ghanem , Zhicheng Yan , Chenchen Zhu , Fanyi Xiao , Mohamed Elhoseiny , Sean Chang Culatana

Dense retrieval is widely used for entity linking to retrieve entities from large-scale knowledge bases. Mainstream techniques are based on a dual-encoder framework, which encodes mentions and entities independently and calculates their…

计算与语言 · 计算机科学 2023-05-30 Yi Liu , Yuan Tian , Jianxun Lian , Xinlong Wang , Yanan Cao , Fang Fang , Wen Zhang , Haizhen Huang , Denvy Deng , Qi Zhang

Semi-supervised video object segmentation (VOS) aims to track the designated objects present in the initial frame of a video at the pixel level. To fully exploit the appearance information of an object, pixel-level feature matching is…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Suhwan Cho , Heansung Lee , Minjung Kim , Sungjun Jang , Sangyoun Lee

Visual model-based reinforcement learning (RL) has the potential to enable sample-efficient robot learning from visual observations. Yet the current approaches typically train a single model end-to-end for learning both visual…

机器人学 · 计算机科学 2023-05-30 Younggyo Seo , Danijar Hafner , Hao Liu , Fangchen Liu , Stephen James , Kimin Lee , Pieter Abbeel

Open-world referring segmentation requires grounding unconstrained language expressions to precise pixel-level regions. Existing multimodal large language models (MLLMs) exhibit strong open-world visual grounding, but their outputs remain…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Yuan Yao , Qiushi Yang , Humen Zhong , Jiangning Wei , Yifang Men , Shuai Bai , Miaomiao Cui , Zhibo Yang

Entity Linking (EL) is an essential and challenging task in natural language processing that seeks to link some text representing an entity within a document or sentence with its corresponding entry in a dictionary or knowledge base. Most…

计算与语言 · 计算机科学 2024-02-26 Yifan Ding , Qingkai Zeng , Tim Weninger

Multimodal Entity Linking (MEL) aims at linking ambiguous mentions with multimodal information to entity in Knowledge Graph (KG) such as Wikipedia, which plays a key role in many applications. However, existing methods suffer from…

人工智能 · 计算机科学 2024-08-02 Shezheng Song , Shan Zhao , Chengyu Wang , Tianwei Yan , Shasha Li , Xiaoguang Mao , Meng Wang

Human-annotated attributes serve as powerful semantic embeddings in zero-shot learning. However, their annotation process is labor-intensive and needs expert supervision. Current unsupervised semantic embeddings, i.e., word embeddings,…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata

Multimodal Entity Linking (MEL) is a fundamental task in data management that maps ambiguous mentions with diverse modalities to the multimodal entities in a knowledge base. However, most existing MEL approaches primarily focus on…

计算与语言 · 计算机科学 2026-04-23 Mo Zhou , Jianwei Wang , Kai Wang , Helen Paik , Ying Zhang , Wenjie Zhang

We present SimpleSeg, a strikingly simple yet highly effective approach to endow Multimodal Large Language Models (MLLMs) with native pixel-level perception. Our method reframes segmentation as a simple sequence generation problem: the…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Tianhui Song , Haoyu Lu , Hao Yang , Lin Sui , Haoning Wu , Zaida Zhou , Zhiqi Huang , Yiping Bao , Y. Charles , Xinyu Zhou , Limin Wang

We have seen significant leapfrog advancement in machine learning in recent decades. The central idea of machine learnability lies on constructing learning algorithms that learn from good data. The availability of more data being made…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Ng Hui Xian Lynnette , Henry Ng Siong Hock , Nguwi Yok Yen

Named Entity Recognition (NER) performance often degrades rapidly when applied to target domains that differ from the texts observed during training. When in-domain labelled data is available, transfer learning techniques can be used to…

计算与语言 · 计算机科学 2020-05-01 Pierre Lison , Aliaksandr Hubin , Jeremy Barnes , Samia Touileb

Training a Fully Convolutional Network (FCN) for semantic segmentation requires a large number of masks with pixel level labelling, which involves a large amount of human labour and time for annotation. In contrast, web images and their…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Tong Shen , Guosheng Lin , Lingqiao Liu , Chunhua Shen , Ian Reid

Recent advances in text-to-image generation have improved the quality of synthesized images, but evaluations mainly focus on aesthetics or alignment with text prompts. Thus, it remains unclear whether these models can accurately represent a…

Entity linking is an indispensable operation of populating knowledge repositories for information extraction. It studies on aligning a textual entity mention to its corresponding disambiguated entry in a knowledge repository. In this paper,…

计算与语言 · 计算机科学 2015-08-06 Miao Fan , Qiang Zhou , Thomas Fang Zheng

Diffusion models have revolted the field of text-to-image generation recently. The unique way of fusing text and image information contributes to their remarkable capability of generating highly text-related images. From another…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Changming Xiao , Qi Yang , Feng Zhou , Changshui Zhang

With the increase in the number of image data and the lack of corresponding labels, weakly supervised learning has drawn a lot of attention recently in computer vision tasks, especially in the fine-grained semantic segmentation problem. To…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Ke Zhang , Sihong Chen , Qi Ju , Yong Jiang , Yucong Li , Xin He

Current systems of fine-grained entity typing use distant supervision in conjunction with existing knowledge bases to assign categories (type labels) to entity mentions. However, the type labels so obtained from knowledge bases are often…

计算与语言 · 计算机科学 2016-02-18 Xiang Ren , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Jiawei Han