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Recent transformer-based architectures have shown impressive results in the field of image segmentation. Thanks to their flexibility, they obtain outstanding performance in multiple segmentation tasks, such as semantic and panoptic, under a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Niccolò Cavagnero , Gabriele Rosi , Claudia Cuttano , Francesca Pistilli , Marco Ciccone , Giuseppe Averta , Fabio Cermelli

Text segmentation, the task of dividing a document into sections, is often a prerequisite for performing additional natural language processing tasks. Existing text segmentation methods have typically been developed and tested using clean,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Carol Anderson , Phil Crone

The ability to detect objects in images at varying scales has played a pivotal role in the design of modern object detectors. Despite considerable progress in removing hand-crafted components and simplifying the architecture with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Duy-Kien Nguyen , Martin R. Oswald , Cees G. M. Snoek

Image segmentation has come a long way since the early days of computer vision, and still remains a challenging task. Modern variations of the classical (purely bottom-up) approach, involve, e.g., some form of user assistance (interactive…

Computer Vision and Pattern Recognition · Computer Science 2017-07-19 Eyasu Zemene , Leulseged Tesfaye Alemu , Marcello Pelillo

Transformers achieve promising performance in document understanding because of their high effectiveness and still suffer from quadratic computational complexity dependency on the sequence length. General efficient transformers are…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Mingliang Zhai , Yulin Li , Xiameng Qin , Chen Yi , Qunyi Xie , Chengquan Zhang , Kun Yao , Yuwei Wu , Yunde Jia

Referring image segmentation is a challenging task that involves generating pixel-wise segmentation masks based on natural language descriptions. The complexity of this task increases with the intricacy of the sentences provided. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Hai Nguyen-Truong , E-Ro Nguyen , Tuan-Anh Vu , Minh-Triet Tran , Binh-Son Hua , Sai-Kit Yeung

Traditional topic modeling assigns a single topic to each document. In practice, however, many real-world documents, such as product reviews or open-ended survey responses, contain multiple distinct topics. This mismatch often leads to…

Computation and Language · Computer Science 2026-05-19 Hoonsang Yoon , Takyoung Kim , Wonkee Lee , Ilmin Cho , Dilek Hakkani-Tür , Stanley Jungkyu Choi

We introduce CellSegmenter, a structured deep generative model and an amortized inference framework for unsupervised representation learning and instance segmentation tasks. The proposed inference algorithm is convolutional and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Luca D'Alessio , Mehrtash Babadi

The extraction of aspect terms is a critical step in fine-grained sentiment analysis of text. Existing approaches for this task have yielded impressive results when the training and testing data are from the same domain. However, these…

Computation and Language · Computer Science 2022-10-20 Phillip Howard , Arden Ma , Vasudev Lal , Ana Paula Simoes , Daniel Korat , Oren Pereg , Moshe Wasserblat , Gadi Singer

We present a joint model for entity-level relation extraction from documents. In contrast to other approaches - which focus on local intra-sentence mention pairs and thus require annotations on mention level - our model operates on entity…

Computation and Language · Computer Science 2021-12-06 Markus Eberts , Adrian Ulges

This paper introduces a method for image semantic segmentation grounded on a novel fusion scheme, which takes place inside a deep convolutional neural network. The main goal of our proposal is to explore object boundary information to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Jefferson Fontinele , Gabriel Lefundes , Luciano Oliveira

We present a new method for efficient high-quality image segmentation of objects and scenes. By analogizing classical computer graphics methods for efficient rendering with over- and undersampling challenges faced in pixel labeling tasks,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Alexander Kirillov , Yuxin Wu , Kaiming He , Ross Girshick

We present the first unified study of the efficiency of self-attention-based Transformer variants spanning text, speech and vision. We identify input length thresholds (tipping points) at which efficient Transformer variants become more…

Computation and Language · Computer Science 2023-06-16 Anuj Diwan , Eunsol Choi , David Harwath

End-to-end text spotting is a vital computer vision task that aims to integrate scene text detection and recognition into a unified framework. Typical methods heavily rely on Region-of-Interest (RoI) operations to extract local features and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yukun Zhai , Xiaoqiang Zhang , Xiameng Qin , Sanyuan Zhao , Xingping Dong , Jianbing Shen

We propose a Transformer-based approach for information extraction from digitized handwritten documents. Our approach combines, in a single model, the different steps that were so far performed by separate models: feature extraction,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Solène Tarride , Mélodie Boillet , Christopher Kermorvant

Food instance segmentation is essential to estimate the serving size of dishes in a food image. The recent cutting-edge techniques for instance segmentation are deep learning networks with impressive segmentation quality and fast…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Huu-Thanh Nguyen , Yu Cao , Chong-Wah Ngo , Wing-Kwong Chan

We introduce a simple new approach to the problem of understanding documents where non-trivial layout influences the local semantics. To this end, we modify the Transformer encoder architecture in a way that allows it to use layout features…

Computation and Language · Computer Science 2021-10-05 Łukasz Garncarek , Rafał Powalski , Tomasz Stanisławek , Bartosz Topolski , Piotr Halama , Michał Turski , Filip Graliński

Existing techniques for text detection can be broadly classified into two primary groups: segmentation-based and regression-based methods. Segmentation models offer enhanced robustness to font variations but require intricate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Qingwen Bu , Sungrae Park , Minsoo Khang , Yichuan Cheng

Form understanding is a challenging problem which aims to recognize semantic entities from the input document and their hierarchical relations. Previous approaches face significant difficulty dealing with the complexity of the task, thus…

Artificial Intelligence · Computer Science 2021-06-03 Tuan-Anh Nguyen Dang , Duc-Thanh Hoang , Quang-Bach Tran , Chih-Wei Pan , Thanh-Dat Nguyen

Recently, attention-based encoder-decoder models have been used extensively in image captioning. Yet there is still great difficulty for the current methods to achieve deep image understanding. In this work, we argue that such understanding…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Fenglin Liu , Xuancheng Ren , Yuanxin Liu , Kai Lei , Xu Sun