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Real-world applications have high demands for semantic segmentation methods. Although semantic segmentation has made remarkable leap-forwards with deep learning, the performance of real-time methods is not satisfactory. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Juncai Peng , Yi Liu , Shiyu Tang , Yuying Hao , Lutao Chu , Guowei Chen , Zewu Wu , Zeyu Chen , Zhiliang Yu , Yuning Du , Qingqing Dang , Baohua Lai , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

A core problem in machine learning is to learn expressive latent variables for model prediction on complex data that involves multiple sub-components in a flexible and interpretable fashion. Here, we develop an approach that improves…

机器学习 · 计算机科学 2024-02-13 Yi-Lin Tuan , Zih-Yun Chiu , William Yang Wang

Probabilistic linear discriminant analysis (PLDA) has broad application in open-set verification tasks, such as speaker verification. A key concern for PLDA is that the model is too simple (linear Gaussian) to deal with complicated data;…

声音 · 计算机科学 2021-11-25 Di Wang , Lantian Li , Hongzhi Yu , Dong Wang

Statistical topic models are increasingly and popularly used by Digital Humanities scholars to perform distant reading tasks on literary data. It allows us to estimate what people talk about. Especially Latent Dirichlet Allocation (LDA) has…

计算与语言 · 计算机科学 2019-09-26 Thomas N. Haider

Weakly supervised LiDAR semantic segmentation has made significant strides with limited labeled data. However, most existing methods focus on the network training under weak supervision, while efficient annotation strategies remain largely…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yilong Chen , Zongyi Xu , xiaoshui Huang , Ruicheng Zhang , Xinqi Jiang , Xinbo Gao

While Contrastive Language-Image Pre-training (CLIP) has advanced open-vocabulary predictions, its performance on semantic segmentation remains suboptimal. This shortfall primarily stems from its spatial-invariant semantic features and…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Yuheng Shi , Minjing Dong , Chang Xu

In this work, we propose a novel approach, namely WeatherDG, that can generate realistic, weather-diverse, and driving-screen images based on the cooperation of two foundation models, i.e, Stable Diffusion (SD) and Large Language Model…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Chenghao Qian , Yuhu Guo , Yuhong Mo , Wenjing Li

In this work, we address the task of few-shot part segmentation, which aims to segment the different parts of an unseen object using very few labeled examples. It is found that leveraging the textual space of a powerful pre-trained…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Mengya Han , Heliang Zheng , Chaoyue Wang , Yong Luo , Han Hu , Jing Zhang , Yonggang Wen

We introduce Segment-Phrase Table (SPT), a large collection of bijective associations between textual phrases and their corresponding segmentations. Leveraging recent progress in object recognition and natural language semantics, we show…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Hamid Izadinia , Fereshteh Sadeghi , Santosh Kumar Divvala , Yejin Choi , Ali Farhadi

Despite the great progress made by deep neural networks in the semantic segmentation task, traditional neural-networkbased methods typically suffer from a shortage of large amounts of pixel-level annotations. Recent progress in fewshot…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

Large language models (LLMs) can produce long, coherent passages of text, suggesting that LLMs, although trained on next-word prediction, must represent the latent structure that characterizes a document. Prior work has found that internal…

计算与语言 · 计算机科学 2023-12-25 Liyi Zhang , R. Thomas McCoy , Theodore R. Sumers , Jian-Qiao Zhu , Thomas L. Griffiths

We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

计算机视觉与模式识别 · 计算机科学 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

The ability to understand visual information from limited labeled data is an important aspect of machine learning. While image-level classification has been extensively studied in a semi-supervised setting, dense pixel-level classification…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Sudhanshu Mittal , Maxim Tatarchenko , Thomas Brox

Analyzing short texts infers discriminative and coherent latent topics that is a critical and fundamental task since many real-world applications require semantic understanding of short texts. Traditional long text topic modeling algorithms…

信息检索 · 计算机科学 2019-04-17 Qiang Jipeng , Qian Zhenyu , Li Yun , Yuan Yunhao , Wu Xindong

Semantic segmentation models trained on public datasets have achieved great success in recent years. However, these models didn't consider the personalization issue of segmentation though it is important in practice. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Yu Zhang , Chang-Bin Zhang , Peng-Tao Jiang , Ming-Ming Cheng , Feng Mao

Recent advances in denoising diffusion probabilistic models have shown great success in image synthesis tasks. While there are already works exploring the potential of this powerful tool in image semantic segmentation, its application in…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xinrong Hu , Yu-Jen Chen , Tsung-Yi Ho , Yiyu Shi

Content-based video retrieval is one of the most challenging tasks in surveillance systems. In this study, Latent Dirichlet Allocation (LDA) topic model is used to annotate surveillance videos in an unsupervised manner. In scene…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Mohammad Kianpisheh

We have used an unsupervised machine learning method called Latent Dirichlet Allocation (LDA) to thematically analyze all papers published in the Physics Education Research Conference Proceedings between 2001 and 2018. By looking at…

物理教育 · 物理学 2020-07-08 Tor Ole B. Odden , Alessandro Marin , Marcos D. Caballero

Enabling Large Language Models (LLMs) to understand the 3D physical world is an emerging yet challenging research direction. Current strategies for processing point clouds typically downsample the scene or divide it into smaller parts for…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Guofeng Mei , Wei Lin , Luigi Riz , Yujiao Wu , Fabio Poiesi , Yiming Wang

Dictionary Learning (DL) is one of the leading sparsity promoting techniques in the context of image classification, where the "dictionary" matrix D of images and the sparse matrix X are determined so as to represent a redundant image…

数值分析 · 数学 2022-03-10 Domitilla Brandoni , Margherita Porcelli , Valeria Simoncini