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Handwritten Text Recognition (HTR) is a task of central importance in the field of document image understanding. State-of-the-art methods for HTR require the use of extensive annotated sets for training, making them impractical for…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Petros Georgoulas Wraight , Giorgos Sfikas , Ioannis Kordonis , Petros Maragos , George Retsinas

Using HD maps directly as training data for machine learning tasks has seen a massive surge in popularity and shown promising results, e.g. in the field of map perception. Despite that, a standardized HD map framework supporting all parts…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Fabian Immel , Richard Fehler , Frank Bieder , Christoph Stiller

Equitable urban transportation applications require high-fidelity digital representations of the built environment: not just streets and sidewalks, but bike lanes, marked and unmarked crossings, curb ramps and cuts, obstructions, traffic…

计算机视觉与模式识别 · 计算机科学 2024-08-05 Bin Han , Yiwei Yang , Anat Caspi , Bill Howe

We present a novel multi-view training framework and CNN architecture for combining information from multiple overlapping satellite images and noisy training labels derived from OpenStreetMap (OSM) to semantically label buildings and roads…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Bharath Comandur , Avinash C. Kak

Maps are essential for diverse applications, such as vehicle navigation and autonomous robotics. Both require spatial models for effective route planning and localization. This paper addresses the challenge of road graph construction for…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Balázs Opra , Betty Le Dem , Jeffrey M. Walls , Dimitar Lukarski , Cyrill Stachniss

Historical maps offer valuable insights into changes on Earth's surface but pose challenges for modern segmentation models due to inconsistent visual styles and symbols. While deep learning models such as UNet and pre-trained foundation…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Yunshuang Yuan , Frank Thiemann , Thorsten Dahms , Monika Sester

Historical maps are unique and valuable archives that document geographic features across different time periods. However, automated analysis of historical map images remains a significant challenge due to their wide stylistic variability…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Xue Xia , Randall Balestriero , Tao Zhang , Yixin Zhou , Andrew Ding , Dev Saini , Lorenz Hurni

Scene text detection has witnessed rapid development in recent years. However, there still exists two main challenges: 1) many methods suffer from false positives in their text representations; 2) the large scale variance of scene texts…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Yuxin Wang , Hongtao Xie , Zhengjun Zha , Mengting Xing , Zilong Fu , Yongdong Zhang

Scene understanding is an important capability for robots acting in unstructured environments. While most SLAM approaches provide a geometrical representation of the scene, a semantic map is necessary for more complex interactions with the…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Radu Alexandru Rosu , Jan Quenzel , Sven Behnke

This survey reviews how large language models (LLMs) are transforming synthetic training data generation in both natural language and code domains. By producing artificial but task-relevant examples, these models can significantly augment…

计算与语言 · 计算机科学 2025-11-21 Mihai Nadas , Laura Diosan , Andreea Tomescu

For successful scene text recognition (STR) models, synthetic text image generators have alleviated the lack of annotated text images from the real world. Specifically, they generate multiple text images with diverse backgrounds, font…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Moonbin Yim , Yoonsik Kim , Han-Cheol Cho , Sungrae Park

We propose a systematic learning-based approach to the generation of massive quantities of synthetic 3D scenes and arbitrary numbers of photorealistic 2D images thereof, with associated ground truth information, for the purposes of…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Chenfanfu Jiang , Siyuan Qi , Yixin Zhu , Siyuan Huang , Jenny Lin , Lap-Fai Yu , Demetri Terzopoulos , Song-Chun Zhu

A key challenge of supervised learning is the availability of human-labeled data. We evaluate a big data processing pipeline to auto-generate labels for remote sensing data. It is based on rasterized statistical features extracted from…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Conrad M Albrecht , Fernando Marianno , Levente J Klein

In this paper, we explore the artificial generation of typographical errors based on real-world statistics. We first draw on a small set of annotated data to compute spelling error statistics. These are then invoked to introduce errors into…

计算与语言 · 计算机科学 2020-05-05 Kshitij Shah , Gerard de Melo

The in-context learning ability of large language models (LLMs) enables them to generalize to novel downstream tasks with relatively few labeled examples. However, they require enormous computational resources to be deployed. Alternatively,…

计算与语言 · 计算机科学 2024-01-09 Jean Kaddour , Qi Liu

Scene text detection methods based on neural networks have emerged recently and have shown promising results. Previous methods trained with rigid word-level bounding boxes exhibit limitations in representing the text region in an arbitrary…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee

Recent text-to-image generation models have shown promising results in generating high-fidelity photo-realistic images. Though the results are astonishing to human eyes, how applicable these generated images are for recognition tasks…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Ruifei He , Shuyang Sun , Xin Yu , Chuhui Xue , Wenqing Zhang , Philip Torr , Song Bai , Xiaojuan Qi

Training a good deep learning model often requires a lot of annotated data. As a large amount of labeled data is typically difficult to collect and even more difficult to annotate, data augmentation and data generation are widely used in…

计算机视觉与模式识别 · 计算机科学 2018-08-28 Changhao Wu , Shugong Xu , Guocong Song , Shunqing Zhang

Supervised deep neural networks are the-state-of-the-art for many tasks in the remote sensing domain, against the fact that such techniques require the dataset consisting of pairs of input and label, which are rare and expensive to collect…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Sarun Gulyanon , Wasit Limprasert , Pokpong Songmuang , Rachada Kongkachandra

Though deep learning based scene text detection has achieved great progress, well-trained detectors suffer from severe performance degradation for different domains. In general, a tremendous amount of data is indispensable to train the…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Yudi Chen , Wei Wang , Yu Zhou , Fei Yang , Dongbao Yang , Weiping Wang