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Cross-modal retrieval methods are the preferred tool to search databases for the text that best matches a query image and vice versa. However, image-text retrieval models commonly learn to memorize spurious correlations in the training…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Jae Myung Kim , A. Sophia Koepke , Cordelia Schmid , Zeynep Akata

Although the word-popularity based negative sampler has shown superb performance in the skip-gram model, the theoretical motivation behind oversampling popular (non-observed) words as negative samples is still not well understood. In this…

机器学习 · 计算机科学 2018-06-27 Long Chen , Fajie Yuan , Joemon M. Jose , Weinan Zhang

Deep learning has shown remarkable success in remote sensing change detection (CD), aiming to identify semantic change regions between co-registered satellite image pairs acquired at distinct time stamps. However, existing convolutional…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan

We present a novel semi-supervised semantic segmentation method which jointly achieves two desiderata of segmentation model regularities: the label-space consistency property between image augmentations and the feature-space contrastive…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Yuanyi Zhong , Bodi Yuan , Hong Wu , Zhiqiang Yuan , Jian Peng , Yu-Xiong Wang

Open-vocabulary change detection aims to identify semantic changes in bi-temporal remote sensing images without predefined categories. Recent methods combine foundation models such as SAM, DINO and CLIP, but typically process each timestamp…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Zuzheng Kuang , Honghao Chang , Boqiang Liang , Haoqian Wang , Lijun He , Fan Li , Haixia Bi

While feature-based post-hoc methods have made significant strides in Out-of-Distribution (OOD) detection, we uncover a counter-intuitive Simplicity Paradox in existing state-of-the-art (SOTA) models: these models exhibit keen sensitivity…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Ningkang Peng , Xiaoqian Peng , Yuhao Zhang , Qianfeng Yu , Feng Xing , Peirong Ma , Xichen Yang , Yi Chen , Tingyu Lu , Yanhui Gu

Modern generative pre-trained language models excel at open-ended text generation, yet continue to underperform on structure-related tasks such as NER, relation extraction, and semantic role labeling, especially when compared to…

计算与语言 · 计算机科学 2025-12-23 Minho Lee , Junghyun Min , Yerang Kim , Woochul Lee , Yeonsoo Lee

Current vision-language detection and grounding models predominantly focus on prompts with positive semantics and often struggle to accurately interpret and ground complex expressions containing negative semantics. A key reason for this…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Zesheng Yang , Xi Jiang , Bingzhang Hu , Weili Guan , Runmin Cong , Guo-Jun Qi , Feng Zheng

This paper describes our submission (named clac) to the 2016 Discriminating Similar Languages (DSL) shared task. We participated in the closed Sub-task 1 (Set A) with two separate machine learning techniques. The first approach is a…

计算与语言 · 计算机科学 2017-08-14 Andre Cianflone , Leila Kosseim

Deep neural networks have enabled major progresses in semantic segmentation. However, even the most advanced neural architectures suffer from important limitations. First, they are vulnerable to catastrophic forgetting, i.e. they perform…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Fabio Cermelli , Massimiliano Mancini , Samuel Rota Buló , Elisa Ricci , Barbara Caputo

Optical Character Recognition has been a challenging field in the advent of digital computers. It is needed where information is to be readable both to humans and machines. The process of OCR is composed of a set of pre and post processing…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Chinmay Chinara , Nishant Nath , Subhajeet Mishra , Sangram Keshari Sahoo , Farida Ashraf Ali

Semantic segmentation using deep neural networks has been widely explored to generate high-level contextual information for autonomous vehicles. To acquire a complete $180^\circ$ semantic understanding of the forward surroundings, we…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Wei Zhou , Alex Zyner , Stewart Worrall , Eduardo Nebot

We present LSeg, a novel model for language-driven semantic image segmentation. LSeg uses a text encoder to compute embeddings of descriptive input labels (e.g., "grass" or "building") together with a transformer-based image encoder that…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Boyi Li , Kilian Q. Weinberger , Serge Belongie , Vladlen Koltun , René Ranftl

Text-guided image generation has advanced rapidly with large-scale diffusion models, yet achieving precise stylization with visual exemplars remains difficult. Existing approaches often depend on task-specific retraining or expensive…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Yingying Deng , Xiangyu He , Fan Tang , Weiming Dong , Xucheng Yin

Language models (LMs) have achieved notable success in numerous NLP tasks, employing both fine-tuning and in-context learning (ICL) methods. While language models demonstrate exceptional performance, they face robustness challenges due to…

计算与语言 · 计算机科学 2024-06-18 Yuhang Zhou , Paiheng Xu , Xiaoyu Liu , Bang An , Wei Ai , Furong Huang

String-based (or viewpoint) models of tonal harmony often struggle with data sparsity in pattern discovery and prediction tasks, particularly when modeling composite events like triads and seventh chords, since the number of distinct n-note…

信息检索 · 计算机科学 2017-07-19 David R. W. Sears , Andreas Arzt , Harald Frostel , Reinhard Sonnleitner , Gerhard Widmer

Single-shot diffraction imaging of isolated nanosized particles has seen remarkable success in recent years, yielding in-situ measurements with ultra-high spatial and temporal resolution. The progress of high-repetition-rate sources for…

原子与分子团簇 · 物理学 2022-08-26 Julian Zimmermann , Fabien Beguet , Daniel Guthruf , Bruno Langbehn , Daniela Rupp

We present a novel combination of dynamic embedded topic models and change-point detection to explore diachronic change of lexical semantic modality in classical and early Christian Latin. We demonstrate several methods for finding and…

计算与语言 · 计算机科学 2024-01-26 Hale Sirin , Tom Lippincott

Recently, relying on convolutional neural networks (CNNs), many methods for salient object detection in optical remote sensing images (ORSI-SOD) are proposed. However, most methods ignore the huge parameters and computational cost brought…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Gongyang Li , Zhi Liu , Xinpeng Zhang , Weisi Lin

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne