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Constructing an organized dataset comprised of a large number of images and several captions for each image is a laborious task, which requires vast human effort. On the other hand, collecting a large number of images and sentences…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Dong-Jin Kim , Jinsoo Choi , Tae-Hyun Oh , In So Kweon

Aspect-level sentiment classification (ASC) aims to detect the sentiment polarity of a given opinion target in a sentence. In neural network-based methods for ASC, most works employ the attention mechanism to capture the corresponding…

计算与语言 · 计算机科学 2020-10-26 Fei Zhao , Zhen Wu , Xinyu Dai

We propose a novel semi-supervised learning (SSL) method that adopts selective training with pseudo labels. In our method, we generate hard pseudo-labels and also estimate their confidence, which represents how likely each pseudo-label is…

机器学习 · 计算机科学 2021-03-16 Masato Ishii

Aspect-term sentiment analysis (ATSA) is a longstanding challenge in natural language understanding. It requires fine-grained semantical reasoning about a target entity appeared in the text. As manual annotation over the aspects is…

计算与语言 · 计算机科学 2019-09-06 Xingyi Cheng , Weidi Xu , Taifeng Wang , Wei Chu

On-device Automatic Speech Recognition (ASR) models trained on speech data of a large population might underperform for individuals unseen during training. This is due to a domain shift between user data and the original training data,…

音频与语音处理 · 电气工程与系统科学 2024-01-23 Jisi Zhang , Vandana Rajan , Haaris Mehmood , David Tuckey , Pablo Peso Parada , Md Asif Jalal , Karthikeyan Saravanan , Gil Ho Lee , Jungin Lee , Seokyeong Jung

The topic of aspect-based sentiment analysis (ABSA) has been explored for a variety of industries, but it still remains much unexplored in finance. The recent release of data for an open challenge (FiQA) from the companion proceedings of…

计算与语言 · 计算机科学 2018-08-27 Steve Yang , Jason Rosenfeld , Jacques Makutonin

Self-training is a well-known approach for semi-supervised learning. It consists of iteratively assigning pseudo-labels to unlabeled data for which the model is confident and treating them as labeled examples. For neural networks, softmax…

机器学习 · 计算机科学 2024-04-04 Ambroise Odonnat , Vasilii Feofanov , Ievgen Redko

Active Learning (AL) aims to reduce the labeling burden by interactively selecting the most informative samples from a pool of unlabeled data. While there has been extensive research on improving AL query methods in recent years, some…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Carsten T. Lüth , Till J. Bungert , Lukas Klein , Paul F. Jaeger

Lack of large-scale note-level labeled data is the major obstacle to singing transcription from polyphonic music. We address the issue by using pseudo labels from vocal pitch estimation models given unlabeled data. The proposed method first…

音频与语音处理 · 电气工程与系统科学 2022-03-31 Sangeun Kum , Jongpil Lee , Keunhyoung Luke Kim , Taehyoung Kim , Juhan Nam

Existing works on Aspect Sentiment Triplet Extraction (ASTE) explicitly focus on developing more efficient fine-tuning techniques for the task. Instead, our motivation is to come up with a generic approach that can improve the downstream…

计算与语言 · 计算机科学 2023-10-25 Rajdeep Mukherjee , Nithish Kannen , Saurabh Kumar Pandey , Pawan Goyal

State-of-the-art deep neural networks require large-scale labeled training data that is often expensive to obtain or not available for many tasks. Weak supervision in the form of domain-specific rules has been shown to be useful in such…

计算与语言 · 计算机科学 2021-04-13 Giannis Karamanolakis , Subhabrata Mukherjee , Guoqing Zheng , Ahmed Hassan Awadallah

As aspect-level sentiment labels are expensive and labor-intensive to acquire, zero-shot aspect-level sentiment classification is proposed to learn classifiers applicable to new domains without using any annotated aspect-level data. In…

计算与语言 · 计算机科学 2022-09-07 Pengfei Deng , Jianhua Yuan , Yanyan Zhao , Bing Qin

Aspect-based opinion mining is the task of identifying sentiment at the aspect level in opinionated text, which consists of two subtasks: aspect category extraction and sentiment polarity classification. While aspect category extraction…

计算与语言 · 计算机科学 2020-03-17 Nguyen Thi Thanh Thuy , Ngo Xuan Bach , Tu Minh Phuong

Aspect-based sentiment analysis (ABSA) involves identifying sentiment towards specific aspect terms in a sentence and allows us to uncover nuanced perspectives and attitudes on particular aspects of a product, service, or topic. However,…

计算与语言 · 计算机科学 2024-09-18 Lingling Xu , Haoran Xie , S. Joe Qin , Fu Lee Wang , Xiaohui Tao

Models for long-term point tracking are typically trained on large synthetic datasets. The performance of these models degrades in real-world videos due to different characteristics and the absence of dense ground-truth annotations.…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Görkay Aydemir , Fatma Güney , Weidi Xie

Image-based 3D detection is an indispensable component of the perception system for autonomous driving. However, it still suffers from the unsatisfying performance, one of the main reasons for which is the limited training data.…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Xinzhu Ma , Yuan Meng , Yinmin Zhang , Lei Bai , Jun Hou , Shuai Yi , Wanli Ouyang

Test-time reinforcement learning mitigates the reliance on annotated data by using majority voting results as pseudo-labels, emerging as a complementary direction to reinforcement learning with verifiable rewards (RLVR) for improving…

计算与语言 · 计算机科学 2026-05-07 Weiqin Wang , Yile Wang , Kehao Chen , Hui Huang

The crux of label-efficient semantic segmentation is to produce high-quality pseudo-labels to leverage a large amount of unlabeled or weakly labeled data. A common practice is to select the highly confident predictions as the…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Haochen Wang , Yuchao Wang , Yujun Shen , Junsong Fan , Yuxi Wang , Zhaoxiang Zhang

The increasing popularity of the Web has subsequently increased the abundance of reviews on products and services. Mining these reviews for expressed sentiment is beneficial for both companies and consumers, as quality can be improved based…

计算与语言 · 计算机科学 2021-12-01 Ron Hochstenbach , Flavius Frasincar , Maria Mihaela Trusca

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng