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The aim of image captioning is to generate captions by machine to describe image contents. Despite many efforts, generating discriminative captions for images remains non-trivial. Most traditional approaches imitate the language structure…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Xihui Liu , Hongsheng Li , Jing Shao , Dapeng Chen , Xiaogang Wang

Jointing visual-semantic embeddings (VSE) have become a research hotpot for the task of image annotation, which suffers from the issue of semantic gap, i.e., the gap between images' visual features (low-level) and labels' semantic features…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Guibing Guo , Songlin Zhai , Fajie Yuan , Yuan Liu , Xingwei Wang

Despite remarkable performance in producing realistic samples, Generative Adversarial Networks (GANs) often produce low-quality samples near low-density regions of the data manifold, e.g., samples of minor groups. Many techniques have been…

机器学习 · 计算机科学 2021-10-28 Jinhee Lee , Haeri Kim , Youngkyu Hong , Hye Won Chung

Contrastive learning shows great potential in unpaired image-to-image translation, but sometimes the translated results are in poor quality and the contents are not preserved consistently. In this paper, we uncover that the negative…

计算机视觉与模式识别 · 计算机科学 2021-08-12 Weilun Wang , Wengang Zhou , Jianmin Bao , Dong Chen , Houqiang Li

Typical methods for text-to-image synthesis seek to design effective generative architecture to model the text-to-image mapping directly. It is fairly arduous due to the cross-modality translation. In this paper we circumvent this problem…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Jiadong Liang , Wenjie Pei , Feng Lu

This paper presents a novel method to deal with the challenging task of generating photographic images conditioned on semantic image descriptions. Our method introduces accompanying hierarchical-nested adversarial objectives inside the…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Zizhao Zhang , Yuanpu Xie , Lin Yang

How to sample high quality negative instances from unlabeled data, i.e., negative sampling, is important for training implicit collaborative filtering and contrastive learning models. Although previous studies have proposed some approaches…

信息检索 · 计算机科学 2022-07-12 Bin Liu , Bang Wang

Text-to-image synthesis refers to computational methods which translate human written textual descriptions, in the form of keywords or sentences, into images with similar semantic meaning to the text. In earlier research, image synthesis…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Jorge Agnese , Jonathan Herrera , Haicheng Tao , Xingquan Zhu

Negative sampling, which samples negative triplets from non-observed ones in knowledge graph (KG), is an essential step in KG embedding. Recently, generative adversarial network (GAN), has been introduced in negative sampling. By sampling…

机器学习 · 计算机科学 2021-07-15 Yongqi Zhang , Quanming Yao , Lei Chen

Sentence-based Image Editing (SIE) aims to deploy natural language to edit an image. Offering potentials to reduce expensive manual editing, SIE has attracted much interest recently. However, existing methods can hardly produce accurate…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Liuqing Zhao , Fan Lyu , Fuyuan Hu , Kaizhu Huang , Fenglei Xu , Linyan Li

Triplet loss has been widely employed in a wide range of computer vision tasks, including local descriptor learning. The effectiveness of the triplet loss heavily relies on the triplet selection, in which a common practice is to first…

计算机视觉与模式识别 · 计算机科学 2019-11-28 Xin-Yu Zhang , Le Zhang , Zao-Yi Zheng , Yun Liu , Jia-Wang Bian , Ming-Ming Cheng

Security classifiers, designed to detect malicious content in computer systems and communications, can underperform when provided with insufficient training data. In the security domain, it is often easy to find samples of the negative…

密码学与安全 · 计算机科学 2023-10-24 Alexander P. Welsh , Matthew Edwards

Recently, deep neural network models have achieved promising results in image captioning task. Yet, "vanilla" sentences, only describing shallow appearances (e.g., types, colors), generated by current works are not satisfied netizen style…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Wen Hua Lin , Kuan-Ting Chen , Hung Yueh Chiang , Winston Hsu

Deep neural networks (DNN) are quickly becoming the de facto standard modeling method for many natural language generation (NLG) tasks. In order for such models to truly be useful, they must be capable of correctly generating utterances for…

计算与语言 · 计算机科学 2019-11-11 Chris Kedzie , Kathleen McKeown

When using adversarial training, it is common practice to train against the most egregious failures. However, this might imply using examples with sensitive information (such as leaked passwords or security vulnerabilities) as training…

机器学习 · 计算机科学 2023-06-19 Fabien Roger

Generative Adversarial Networks (GANs) have long been used to understand the semantic relationship between the text and image. However, there are problems with mode collapsing in the image generation that causes some preferred output modes.…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Naitik Bhise , Zhenfei Zhang , Tien D. Bui

Despite substantial progress in text-to-image generation, achieving precise text-image alignment remains challenging, particularly for prompts with rich compositional structure or imaginative elements. To address this, we introduce Negative…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Sangha Park , Eunji Kim , Yeongtak Oh , Jooyoung Choi , Sungroh Yoon

Task-specific word identification aims to choose the task-related words that best describe a short text. Existing approaches require well-defined seed words or lexical dictionaries (e.g., WordNet), which are often unavailable for many…

计算与语言 · 计算机科学 2017-06-06 Shuhan Yuan , Xintao Wu , Yang Xiang

Most sentence embedding techniques heavily rely on expensive human-annotated sentence pairs as the supervised signals. Despite the use of large-scale unlabeled data, the performance of unsupervised methods typically lags far behind that of…

计算与语言 · 计算机科学 2022-11-01 Yiming Chen , Yan Zhang , Bin Wang , Zuozhu Liu , Haizhou Li

Image-text matching aims to find matched cross-modal pairs accurately. While current methods often rely on projecting cross-modal features into a common embedding space, they frequently suffer from imbalanced feature representations across…

信息检索 · 计算机科学 2024-01-19 Zuhui Wang , Yunting Yin , I. V. Ramakrishnan