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Building segmentation in urban areas is essential in fields such as urban planning, disaster response, and population mapping. Yet accurately segmenting buildings in dense urban regions presents challenges due to the large size and high…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Luigi Russo , Francesco Mauro , Babak Memar , Alessandro Sebastianelli , Silvia Liberata Ullo , Paolo Gamba

Accurate segmentation of wounds and scale markers in clinical images remainsa significant challenge, crucial for effective wound management and automatedassessment. In this study, we propose a novel dual-attention U-Net++ archi-tecture,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-14 Daniel Cieślak , Miriam Reca , Olena Onyshchenko , Jacek Rumiński

We describe our two-stage instance segmentation framework we use to compete in the challenge. The first stage of our framework consists of an object detector, which generates object proposals in the format of bounding boxes. Then, the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Yuming Du , Wen Guo , Yang Xiao , Vincent Lepetit

This abstract briefly describes a segmentation algorithm developed for the ISIC 2017 Skin Lesion Detection Competition hosted at [ref]. The objective of the competition is to perform a segmentation (in the form of a binary mask image) of…

Computer Vision and Pattern Recognition · Computer Science 2017-03-02 David Alvarez , Monica Iglesias

At present, cancer is one of the most important health issues in the world. Because early detection and appropriate treatment in cancer are very effective in the recovery and survival of patients, image processing as a diagnostic tool can…

Image and Video Processing · Electrical Eng. & Systems 2022-02-17 Reza Zare , Arash Pourkazemi

We introduce a new table detection and structure recognition approach named RobusTabNet to detect the boundaries of tables and reconstruct the cellular structure of each table from heterogeneous document images. For table detection, we…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Chixiang Ma , Weihong Lin , Lei Sun , Qiang Huo

LiDAR-based semantic segmentation is critical in the fields of robotics and autonomous driving as it provides a comprehensive understanding of the scene. This paper proposes a lightweight and efficient projection-based semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Ben Ding

Urban buildings are extracted from high-resolution Earth observation (EO) images using semantic segmentation networks like U-Net and its successors. Each re-iteration aims to improve performance by employing a denser skip connection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Bipul Neupane , Jagannath Aryal , Abbas Rajabifard

The Imagenet Large Scale Visual Recognition Challenge (ILSVRC) is the one of the most important big data challenges to date. We participated in the object detection track of ILSVRC 2014 and received the fourth place among the 38 teams. We…

Computer Vision and Pattern Recognition · Computer Science 2014-10-07 Cewu Lu , Hao Chen , Qifeng Chen , Hei Law , Yao Xiao , Chi-Keung Tang

We present our solutions to the Google Landmark Challenges 2021, for both the retrieval and the recognition tracks. Both solutions are ensembles of transformers and ConvNet models based on Sub-center ArcFace with dynamic margins. Since the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Qishen Ha , Bo Liu , Hongwei Zhang

This paper presents an overview of the second edition of the HEad and neCK TumOR (HECKTOR) challenge, organized as a satellite event of the 24th International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI)…

The brain tumor segmentation task aims to classify tissue into the whole tumor (WT), tumor core (TC), and enhancing tumor (ET) classes using multimodel MRI images. Quantitative analysis of brain tumors is critical for clinical decision…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Saqib Qamar , Parvez Ahmad , Linlin Shen

This paper presents results of applying Inception v4 deep convolutional neural network to ICIAR-2018 Breast Cancer Classification Grand Challenge, part a. The Challenge task is to classify breast cancer biopsy results, presented in form of…

Image and Video Processing · Electrical Eng. & Systems 2019-12-11 Mohammad Ibrahim Sarker , Hyongsuk Kim , Denis Tarasov , Dinar Akhmetzanov

In this paper, we show our solution to the Google Landmark Recognition 2021 Competition. Firstly, embeddings of images are extracted via various architectures (i.e. CNN-, Transformer- and hybrid-based), which are optimized by ArcFace loss.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Cheng Xu , Weimin Wang , Shuai Liu , Yong Wang , Yuxiang Tang , Tianling Bian , Yanyu Yan , Qi She , Cheng Yang

With the immersive development in the field of augmented and virtual reality, accurate and speedy eye-tracking is required. Facebook Research has organized a challenge, named OpenEDS Semantic Segmentation challenge for per-pixel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Priya Kansal , Sabari Nathan

The IARAI competition Traffic4cast 2021 aims to predict short-term city-wide high-resolution traffic states given the static and dynamic traffic information obtained previously. The aim is to build a machine learning model for predicting…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Bo Wang , Reza Mohajerpoor , Chen Cai , Inhi Kim , Hai L. Vu

With the growing cosmopolitan culture of modern cities, the need of robust Multi-Lingual scene Text (MLT) detection and recognition systems has never been more immense. With the goal to systematically benchmark and push the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Nibal Nayef , Yash Patel , Michal Busta , Pinaki Nath Chowdhury , Dimosthenis Karatzas , Wafa Khlif , Jiri Matas , Umapada Pal , Jean-Christophe Burie , Cheng-lin Liu , Jean-Marc Ogier

In GPS-denied scenarios, a robust environmental perception and localization system becomes crucial for autonomous driving. In this paper, a LiDAR-based online localization system is developed, incorporating road marking detection and…

Robotics · Computer Science 2024-07-03 Yansong Gong , Xinglian Zhang , Jingyi Feng , Xiao He , Dan Zhang

This report introduces the 1st place winning solution for the Autonomous Driving Challenge 2023 - Online HD-map Construction. By delving into the vectorization pipeline, we elaborate an effective architecture, termed as MachMap, which…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Limeng Qiao , Yongchao Zheng , Peng Zhang , Wenjie Ding , Xi Qiu , Xing Wei , Chi Zhang

In this paper, we introduce Mask2Map, a novel end-to-end online HD map construction method designed for autonomous driving applications. Our approach focuses on predicting the class and ordered point set of map instances within a scene,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Sehwan Choi , Jungho Kim , Hongjae Shin , Jun Won Choi