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In this work, we propose N EIoU YOLOv9, a lightweight detection framework based on a signal aware bounding box regression loss derived from non monotonic gradient focusing and geometric decoupling principles, referred to as N EIoU (Non…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Dung Ta Nguyen Duc , Thanh Bui Dang , Hoang Le Minh , Tung Nguyen Viet , Huong Nguyen Thanh , Dong Trinh Cong

Without densely tiled anchor boxes or grid points in the image, sparse R-CNN achieves promising results through a set of object queries and proposal boxes updated in the cascaded training manner. However, due to the sparse nature and the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Jing Zhao , Shengjian Wu , Li Sun , Qingli Li

The availability of real-world datasets is the prerequisite for developing object detection methods for autonomous driving. While ambiguity exists in object labels due to error-prone annotation process or sensor observation noises, current…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Zining Wang , Di Feng , Yiyang Zhou , Lars Rosenbaum , Fabian Timm , Klaus Dietmayer , Masayoshi Tomizuka , Wei Zhan

Table structure recognition (TSR) holds widespread practical importance by parsing tabular images into structured representations, yet encounters significant challenges when processing complex layouts involving merged or empty cells.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Boming Chen , Zining Wang , Zhentao Guo , Jianqiang Liu , Chen Duan , Yu Gu , Kai zhou , Pengfei Yan

Tensor decomposition of high-dimensional data often struggles to capture semantically or physically meaningful structures, particularly when relying on reconstruction objectives and fixed-rank constraints. We introduce a no-rank tensor…

Machine Learning · Computer Science 2026-03-03 Maryam Bagherian

Basic patterns are the source of a wide range of more or less complex geometric structures. We will exploit such patterns to develop new efficient visual markers. Besides being projective invariants, the proposed markers allow producing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Youssef Chahir , Messaoud Mostefai , Hamza Saida

Table Extraction (TE) consists in extracting tables from PDF documents, in a structured format which can be automatically processed. While numerous TE tools exist, the variety of methods and techniques makes it difficult for users to choose…

Databases · Computer Science 2025-11-21 Marijan Soric , Cécile Gracianne , Ioana Manolescu , Pierre Senellart

In many industries, as well as in academic research, information is primarily transmitted in the form of unstructured documents (this article, for example). Hierarchically-related data is rendered as tables, and extracting information from…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Nataliya Le Vine , Claus Horn , Matthew Zeigenfuse , Mark Rowan

Named entity recognition (NER) is one of the best studied tasks in natural language processing. However, most approaches are not capable of handling nested structures which are common in many applications. In this paper we introduce a novel…

Computation and Language · Computer Science 2019-08-12 Joseph Fisher , Andreas Vlachos

Tabular foundation models aim to learn universal representations of tabular data that transfer across tasks and domains, enabling applications such as table retrieval, semantic search and table-based prediction. Despite the growing number…

Machine Learning · Computer Science 2026-04-24 Liane Vogel , Kavitha Srinivas , Niharika D'Souza , Sola Shirai , Oktie Hassanzadeh , Horst Samulowitz

Multimodal fusion, leveraging data like vision and language, is rapidly gaining traction. This enriched data representation improves performance across various tasks. Existing methods for out-of-distribution (OOD) detection, a critical area…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Jinglun Li , Xinyu Zhou , Kaixun Jiang , Lingyi Hong , Pinxue Guo , Zhaoyu Chen , Weifeng Ge , Wenqiang Zhang

We present a method for 3D object detection and pose estimation from a single image. In contrast to current techniques that only regress the 3D orientation of an object, our method first regresses relatively stable 3D object properties…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Arsalan Mousavian , Dragomir Anguelov , John Flynn , Jana Kosecka

Training a robust classifier and an accurate box regressor are difficult for occluded pedestrian detection. Traditionally adopted Intersection over Union (IoU) measurement does not consider the occluded region of the object and leads to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Ruiqi Lu , Huimin Ma

Representation learning of textual networks poses a significant challenge as it involves capturing amalgamated information from two modalities: (i) underlying network structure, and (ii) node textual attributes. For this, most existing…

Computation and Language · Computer Science 2020-11-06 Tony Gracious , Ambedkar Dukkipati

We present the structured average intersection-over-union ratio (STRUCT-IOU), a similarity metric between constituency parse trees motivated by the problem of evaluating speech parsers. STRUCT-IOU enables comparison between a constituency…

Computation and Language · Computer Science 2024-06-21 Freda Shi , Kevin Gimpel , Karen Livescu

While formal robustness verification has seen significant success in image classification, scaling these guarantees to object detection remains notoriously difficult due to complex non-linear coordinate transformations and…

Machine Learning · Computer Science 2026-03-06 Benedikt Brückner , Alejandro J. Mercado , Yanghao Zhang , Panagiotis Kouvaros , Alessio Lomuscio

Localizing page elements/objects such as tables, figures, equations, etc. is the primary step in extracting information from document images. We propose a novel end-to-end trainable deep network, (CDeC-Net) for detecting tables present in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Madhav Agarwal , Ajoy Mondal , C. V. Jawahar

Deep learning methods have boosted the adoption of NLP systems in real-life applications. However, they turn out to be vulnerable to distribution shifts over time which may cause severe dysfunctions in production systems, urging…

Computation and Language · Computer Science 2022-11-28 Pierre Colombo , Eduardo D. C. Gomes , Guillaume Staerman , Nathan Noiry , Pablo Piantanida

Documents are often used for knowledge sharing and preservation in business and science, within which are tables that capture most of the critical data. Unfortunately, most documents are stored and distributed as PDF or scanned images,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Xinyi Zheng , Doug Burdick , Lucian Popa , Xu Zhong , Nancy Xin Ru Wang

Recently, object detection models have witnessed notable performance improvements, particularly with transformer-based models. However, new objects frequently appear in the real world, requiring detection models to continually learn without…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Duc Thanh Pham , Hong Dang Nguyen , Nhat Minh Nguyen Quoc , Linh Ngo Van , Sang Dinh Viet , Duc Anh Nguyen