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We propose a new approach to constructing a phase diagram using the effective Hamiltonian derived only from a single real-space image produced by scanning tunneling microscopy (STM). Currently, there have been two main methods to construct…

Materials Science · Physics 2017-09-07 Kazuhito Takeuchi , Koretaka Yuge , Shinya Tabata , Hiroki Saito , Shu Kurokawa , Akira Sakai

Tumor segmentation in whole-slide images of histology slides is an important step towards computer-assisted diagnosis. In this work, we propose a tumor segmentation framework based on the novel concept of persistent homology profiles…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Talha Qaiser , Yee-Wah Tsang , Daiki Taniyama , Naoya Sakamoto , Kazuaki Nakane , David Epstein , Nasir Rajpoot

Spatial transformer networks (STNs) were designed to enable CNNs to learn invariance to image transformations. STNs were originally proposed to transform CNN feature maps as well as input images. This enables the use of more complex…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Lukas Finnveden , Ylva Jansson , Tony Lindeberg

Structure from motion (SFM) and ground plane homography estimation are critical to autonomous driving and other robotics applications. Recently, much progress has been made in using deep neural networks for SFM and homography estimation…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Wei Sui , Teng Chen , Jiaxin Zhang , Jiao Lu , Qian Zhang

Smoothing filter is the method of choice for image preprocessing and pattern recognition. We present a new concurrent method for smoothing 2D object in binary case. Proposed method provides a parallel computation while preserving the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-04-01 Ramzi Mahmoudi , Mohamed Akil

Estimating the homography matrix between images captured under radically different camera poses and zoom factors is a complex challenge. Traditional methods rely on the Random Sample Consensus (RANSAC) algorithm, which requires pairs of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 George Nousias , Konstantinos Delibasis , Ilias Maglogiannis

Planar object tracking plays an important role in AI applications, such as robotics, visual servoing, and visual SLAM. Although the previous planar trackers work well in most scenarios, it is still a challenging task due to the rapid motion…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Xinrui Zhan , Yueran Liu , Jianke Zhu , Yang Li

In the context of a localization and tracking application, we developed a stereo vision system based on cheap low-resolution 80x60 pixels thermal cameras. We proposed a threefold sub-pixel stereo matching framework (called ST for Subpixel…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Yannick Wend Kuni Zoetgnande , Geoffroy Cormier , Alain-Jérôme Fougères , Jean-Louis Dillenseger

We tackle the efficiency problem of learning local feature matching. Recent advancements have given rise to purely CNN-based and transformer-based approaches, each augmented with deep learning techniques. While CNN-based methods often excel…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Junjie Ni , Guofeng Zhang , Guanglin Li , Yijin Li , Xinyang Liu , Zhaoyang Huang , Hujun Bao

Microscopic histology image analysis is a cornerstone in early detection of breast cancer. However these images are very large and manual analysis is error prone and very time consuming. Thus automating this process is in high demand. We…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Ismaël Koné , Lahsen Boulmane

The traditional homography estimation pipeline consists of four main steps: feature detection, feature matching, outlier removal and transformation estimation. Recent deep learning models intend to address the homography estimation problem…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Yi Li , Wenjie Pei , Zhenyu He

Given a real-world dataset, data condensation (DC) aims to synthesize a small synthetic dataset that captures the knowledge of a natural dataset while being usable for training models with comparable accuracy. Recent works propose to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Haizhong Zheng , Jiachen Sun , Shutong Wu , Bhavya Kailkhura , Zhuoqing Mao , Chaowei Xiao , Atul Prakash

Estimating homography from a single image remains a challenging yet practically valuable task, particularly in domains like retail, where only one viewpoint is typically available for shelf monitoring and product alignment. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Onur Berk Tore , Ibrahim Samil Yalciner , Server Calap

Homography estimation is a basic computer vision task, which aims to obtain the transformation from multi-view images for image alignment. Unsupervised learning homography estimation trains a convolution neural network for feature…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Mingxiao Huo , Zhihao Zhang , Xinyang Ren , Xianqiang Yang

This paper introduces a novel technique to estimate tissue displacement in quasi-static elastography. A major challenge in elastography is estimation of displacement (also referred to time-delay estimation) between pre-compressed and…

Medical Physics · Physics 2018-04-17 Morteza Mirzaei , Amir Asif , Maryse Fortin , Hassan Rivaza

Planar homography, with eight degrees of freedom (DOFs), is fundamental in numerous computer vision tasks. While the positional offsets of four corners are widely adopted (especially in neural network predictions), this parameterization…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yao Huang , Si-Yuan Cao , Yaqing Ding , Hao Yin , Shibin Xie , Shuting Wang , Zhijun Fang , Jiachun Wang , Shen Cai , Junchi Yan , Shuhan Shen

We propose a novel method that combines a convolutional neural network (CNN) with a long short-term memory (LSTM) mechanism for accurate prediction of intracranial hemorrhage on computed tomography (CT) scans. The CNN plays the role of a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Nhan T. Nguyen , Dat Q. Tran , Nghia T. Nguyen , Ha Q. Nguyen

Convolutional neural networks (CNNs) are a standard tool for computer vision tasks such as image classification. However, typical model architectures may result in the loss of topological information. In specific domains such as…

Image and Video Processing · Electrical Eng. & Systems 2026-03-05 Shrunal Pothagoni , Benjamin Schweinhart

Convolutional Neural Networks (CNNs) are the predominant model used for a variety of medical image analysis tasks. At inference time, these models are computationally intensive, especially with volumetric data. In principle, it is possible…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Jose Javier Gonzalez Ortiz , John Guttag , Adrian Dalca

Multi-stage strategies are frequently employed in image restoration tasks. While transformer-based methods have exhibited high efficiency in single-image super-resolution tasks, they have not yet shown significant advantages over CNN-based…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Ming Cheng , Haoyu Ma , Qiufang Ma , Xiaopeng Sun , Weiqi Li , Zhenyu Zhang , Xuhan Sheng , Shijie Zhao , Junlin Li , Li Zhang