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Many computer scientists use the aggregated answers of online workers to represent ground truth. Prior work has shown that aggregation methods such as majority voting are effective for measuring relatively objective features. For subjective…

计算与语言 · 计算机科学 2021-04-06 Jiele Wu , Chau-Wai Wong , Xinyan Zhao , Xianpeng Liu

Sentiment analysis is an important task in understanding social media content like customer reviews, Twitter and Facebook feeds etc. In multilingual communities around the world, a large amount of social media text is characterized by the…

计算与语言 · 计算机科学 2021-10-04 Akshat Gupta , Sargam Menghani , Sai Krishna Rallabandi , Alan W Black

Clustering using neural networks has recently demonstrated promising performance in machine learning and computer vision applications. However, the performance of current approaches is limited either by unsupervised learning or their…

机器学习 · 计算机科学 2018-07-11 Ankita Shukla , Gullal Singh Cheema , Saket Anand

Unsupervised extractive document summarization aims to select important sentences from a document without using labeled summaries during training. Existing methods are mostly graph-based with sentences as nodes and edge weights measured by…

计算与语言 · 计算机科学 2021-12-14 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei , Ming Zhou

Subtle hand differences make sign language recognition challenging, yet many existing methods rely on encoders pretrained on generic action datasets that poorly capture such fine-grained cues. We propose a self-supervised pretraining method…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Kunyuan Xie , Zhixi Cai , Kalin Stefanov

Self-supervised learning (SSL) can be used to solve complex visual tasks without human labels. Self-supervised representations encode useful semantic information about images, and as a result, they have already been used for tasks such as…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Paul Engstler , Luke Melas-Kyriazi , Christian Rupprecht , Iro Laina

Many studies in data mining have proposed a new learning called semi-Supervised. Such type of learning combines unlabeled and labeled data which are hard to obtain. However, in unsupervised methods, the only unlabeled data are used. The…

机器学习 · 计算机科学 2013-04-16 Badreddine Meftahi , Ourida Ben Boubaker Saidi

There is often a mixture of very frequent labels and very infrequent labels in multi-label datatsets. This variation in label frequency, a type class imbalance, creates a significant challenge for building efficient multi-label…

机器学习 · 计算机科学 2021-09-28 Payel Sadhukhan , Arjun Pakrashi , Sarbani Palit , Brian Mac Namee

Manual annotation of soiling on surround view cameras is a very challenging and expensive task. The unclear boundary for various soiling categories like water drops or mud particles usually results in a large variance in the annotation…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Michal Uricar , Ganesh Sistu , Lucie Yahiaoui , Senthil Yogamani

This paper addresses the task of generating fluent descriptions by training on a non-uniform combination of data sources, containing both human-annotated and web-collected captions. Large-scale datasets with noisy image-text pairs, indeed,…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Marcella Cornia , Lorenzo Baraldi , Giuseppe Fiameni , Rita Cucchiara

When domain experts are needed to perform data annotation for complex machine-learning tasks, reducing annotation effort is crucial in order to cut down time and expenses. For cases when there are no annotations available, one approach is…

机器学习 · 计算机科学 2022-06-22 Einari Vaaras , Manu Airaksinen , Okko Räsänen

Recent advancements in technology have led to a boost in social media usage which has ultimately led to large amounts of user-generated data which also includes hateful and offensive speech. The language used in social media is often a…

计算与语言 · 计算机科学 2025-05-27 Geet Shingi , Vedangi Wagh

While supervised learning has achieved significant success in computer vision tasks, acquiring high-quality annotated data remains a bottleneck. This paper explores both scholarly and non-scholarly works in AI-assistive deep learning image…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Moseli Mots'oehli

Our goal is to train a generative model of 3D hand motions, conditioned on natural language descriptions specifying motion characteristics such as handshapes, locations, finger/hand/arm movements. To this end, we automatically build pairs…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Léore Bensabath , Mathis Petrovich , Gül Varol

The massive collection of user posts across social media platforms is primarily untapped for artificial intelligence (AI) use cases based on the sheer volume and velocity of textual data. Natural language processing (NLP) is a subfield of…

计算与语言 · 计算机科学 2023-07-07 Alexandrea K. Ramnarine

Continuous sign language recognition (SLR) aims to translate a signing sequence into a sentence. It is very challenging as sign language is rich in vocabulary, while many among them contain similar gestures and motions. Moreover, it is…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Zhaoyang Yang , Zhenmei Shi , Xiaoyong Shen , Yu-Wing Tai

Radio emitter recognition in dense multi-user environments is an important tool for optimizing spectrum utilization, identifying and minimizing interference, and enforcing spectrum policy. Radio data is readily available and easy to obtain…

机器学习 · 计算机科学 2017-01-18 Timothy J. O'Shea , Nathan West , Matthew Vondal , T. Charles Clancy

The deployment of language models brings challenges in generating reliable information, especially when these models are fine-tuned using human preferences. To extract encoded knowledge without (potentially) biased human labels,…

人工智能 · 计算机科学 2024-10-07 Walter Laurito , Sharan Maiya , Grégoire Dhimoïla , Owen , Yeung , Kaarel Hänni

Recent advances in deep learning significantly boost the performance of salient object detection (SOD) at the expense of labeling larger-scale per-pixel annotations. To relieve the burden of labor-intensive labeling, deep unsupervised SOD…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Pengxiang Yan , Ziyi Wu , Mengmeng Liu , Kun Zeng , Liang Lin , Guanbin Li

We are releasing a dataset containing videos of both fluent and non-fluent signers using American Sign Language (ASL), which were collected using a Kinect v2 sensor. This dataset was collected as a part of a project to develop and evaluate…

计算与语言 · 计算机科学 2022-07-11 Saad Hassan , Matthew Seita , Larwan Berke , Yingli Tian , Elaine Gale , Sooyeon Lee , Matt Huenerfauth