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Supervised finetuning (SFT) on instruction datasets has played a crucial role in achieving the remarkable zero-shot generalization capabilities observed in modern large language models (LLMs). However, the annotation efforts required to…

Human-performed annotation of sentences in legal documents is an important prerequisite to many machine learning based systems supporting legal tasks. Typically, the annotation is done sequentially, sentence by sentence, which is often time…

Computation and Language · Computer Science 2021-12-23 Hannes Westermann , Jaromir Savelka , Vern R. Walker , Kevin D. Ashley , Karim Benyekhlef

Modern machine learning methods require significant amounts of labelled data, making the preparation process time-consuming and resource-intensive. In this paper, we propose to consider the process of prototyping a tool for annotating and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Nikita Ivanov , Mark Klimov , Dmitry Glukhikh , Tatiana Chernysheva , Igor Glukhikh

Advancements in clinical treatment are increasingly constrained by the limitations of supervised learning techniques, which depend heavily on large volumes of annotated data. The annotation process is not only costly but also demands…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Pranav Singh , Raviteja Chukkapalli , Shravan Chaudhari , Luoyao Chen , Mei Chen , Jinqian Pan , Craig Smuda , Jacopo Cirrone

High-quality data is crucial for the success of machine learning, but labeling large datasets is often a time-consuming and costly process. While semi-supervised learning can help mitigate the need for labeled data, label quality remains an…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Lars Schmarje , Vasco Grossmann , Tim Michels , Jakob Nazarenus , Monty Santarossa , Claudius Zelenka , Reinhard Koch

Multi-annotator learning (MAL) aims to model annotator-specific labeling patterns. However, existing methods face a critical challenge: they simply skip updating annotator-specific model parameters when encountering missing labels, i.e., a…

Multimedia · Computer Science 2025-08-08 Liyun Zhang , Zheng Lian , Hong Liu , Takanori Takebe , Yuta Nakashima

Supervised learning relies on high-quality labeled data, but obtaining such data through human annotation is both expensive and time-consuming. Recent work explores using large language models (LLMs) for annotation, but LLM-generated labels…

Machine Learning · Computer Science 2026-03-23 Lequan Lin , Dai Shi , Andi Han , Feng Chen , Qiuzheng Chen , Jiawen Li , Zhaoyang Li , Jiyuan Li , Zhenbang Sun , Junbin Gao

Annotated data is an essential ingredient in natural language processing for training and evaluating machine learning models. It is therefore very desirable for the annotations to be of high quality. Recent work, however, has shown that…

Computation and Language · Computer Science 2022-09-27 Jan-Christoph Klie , Bonnie Webber , Iryna Gurevych

Methods that move towards less supervised scenarios are key for image segmentation, as dense labels demand significant human intervention. Generally, the annotation burden is mitigated by labeling datasets with weaker forms of supervision,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Producing the required amounts of training data for machine learning and NLP tasks often involves human annotators doing very repetitive and monotonous work. In this paper, we present and evaluate our novel annotation framework DALPHI,…

Information Retrieval · Computer Science 2018-08-20 Robert Greinacher , Franziska Horn

An insufficient number of training samples is a common problem in neural network applications. While data augmentation methods require at least a minimum number of samples, we propose a novel, rendering-based pipeline for synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Andreas Spruck , Maximilane Gruber , Anatol Maier , Denise Moussa , Jürgen Seiler , Christian Riess , André Kaup

In the context of text classification, the financial burden of annotation exercises for creating training data is a critical issue. Active learning techniques, particularly those rooted in uncertainty sampling, offer a cost-effective…

Computation and Language · Computer Science 2024-06-19 Hamidreza Rouzegar , Masoud Makrehchi

Manual annotation remains the gold standard for high-quality, dense temporal video datasets, yet it is inherently time-consuming. Vision-language models can aid human annotators and expedite this process. We report on the impact of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Juan Gutiérrez , Victor Gutiérrez , Ángel Mora , Silvia Rodriguez , José Luis Blanco

Recent advances in data-centric artificial intelligence highlight inherent limitations in object recognition datasets. One of the primary issues stems from the semantic gap problem, which results in complex many-to-many mappings between…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Xiaolei Diao , Fausto Giunchiglia

We propose an approach for semi-automatic annotation of object instances. While most current methods treat object segmentation as a pixel-labeling problem, we here cast it as a polygon prediction task, mimicking how most current datasets…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Lluis Castrejon , Kaustav Kundu , Raquel Urtasun , Sanja Fidler

Object recognition and object pose estimation in robotic grasping continue to be significant challenges, since building a labelled dataset can be time consuming and financially costly in terms of data collection and annotation. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Dongmyoung Lee , Wei Chen , Nicolas Rojas

Accurately labeling (or annotation) data is still a bottleneck in computer vision, especially for large-scale tasks where manual labeling is time-consuming and error-prone. While tools like LabelImg can handle the labeling task, some of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Jerry Lin , Partick P. W. Chen

In this paper, we focus on obtaining 2D and 3D labels, as well as track IDs for objects on the road with the help of a novel 3D Bounding Box Annotation Toolbox (3D BAT). Our open source, web-based 3D BAT incorporates several smart features…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Walter Zimmer , Akshay Rangesh , Mohan Trivedi

Learning-based street scene semantic understanding in autonomous driving (AD) has advanced significantly recently, but the performance of the AD model is heavily dependent on the quantity and quality of the annotated training data. However,…

Robotics · Computer Science 2025-02-06 Wei-Bin Kou , Guangxu Zhu , Rongguang Ye , Shuai Wang , Ming Tang , Yik-Chung Wu

High annotation costs are a major bottleneck for the training of semantic segmentation systems. Therefore, methods working with less annotation effort are of special interest. This paper studies the problem of semi-supervised semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Olga Zatsarynna , Johann Sawatzky , Juergen Gall