中文
相关论文

相关论文: A weighting strategy for Active Shape Models

200 篇论文

Statistical shape modeling is an important tool to characterize variation in anatomical morphology. Typical shapes of interest are measured using 3D imaging and a subsequent pipeline of registration, segmentation, and some extraction of…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Riddhish Bhalodia , Shireen Y. Elhabian , Ladislav Kavan , Ross T. Whitaker

It is a common practice to exploit pyramidal feature representation to tackle the problem of scale variation in object instances. However, most of them still predict the objects in a certain range of scales based solely or mainly on a…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Zehui Gong , Dong Li

Accurate tracking of an anatomical landmark over time has been of high interests for disease assessment such as minimally invasive surgery and tumor radiation therapy. Ultrasound imaging is a promising modality benefiting from low-cost and…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Zhihua Liu , Bin Yang , Yan Shen , Xuejun Ni , Huiyu Zhou

Cephalometric analysis has an important role in dentistry and especially in orthodontics as a treatment planning tool to gauge the size and special relationships of the teeth, jaws and cranium. The first step of using such analyses is…

计算机视觉与模式识别 · 计算机科学 2015-06-15 Mahshid Majd , Farzaneh Shoeleh

The research fields of parametric face model and 3D face reconstruction have been extensively studied. However, a critical question remains unanswered: how to tailor the face model for specific reconstruction settings. We argue that…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Kai Yang , Hong Shang , Tianyang Shi , Xinghan Chen , Jingkai Zhou , Zhongqian Sun , Wei Yang

This paper proposes a novel active Simultaneous Localization and Mapping (SLAM) method with continuous trajectory optimization over a stochastic robot dynamics model. The problem is formalized as a stochastic optimal control over the…

机器人学 · 计算机科学 2021-10-15 Shumon Koga , Arash Asgharivaskasi , Nikolay Atanasov

As autonomous systems increasingly rely on onboard sensing for localization and perception, the parallel tasks of motion planning and state estimation become more strongly coupled. This coupling is well-captured by augmenting the planning…

机器人学 · 计算机科学 2020-09-14 Kristoffer M. Frey , Ted J. Steiner , Jonathan P. How

Despite excellent progress has been made, the performance of deep learning based algorithms still heavily rely on specific datasets, which are difficult to extend due to labor-intensive labeling. Moreover, because of the advancement of new…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Zhen Wei , Bingkun Liu , Weinong Wang , Yu-Wing Tai

In recent years, object-oriented simultaneous localization and mapping (SLAM) has attracted increasing attention due to its ability to provide high-level semantic information while maintaining computational efficiency. Some researchers have…

机器人学 · 计算机科学 2024-02-27 Yutong Wang , Chaoyang Jiang , Xieyuanli Chen

Semi-supervised learning has attracted much attention in medical image segmentation due to challenges in acquiring pixel-wise image annotations, which is a crucial step for building high-performance deep learning methods. Most existing…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Shuailin Li , Chuyu Zhang , Xuming He

We study a class of mathematical and statistical algorithms with the aim of establishing a computer-based framework for fast and reliable automatic abnormality detection on landmark represented image templates. Under this framework, we…

计算机视觉与模式识别 · 计算机科学 2017-05-12 S. Huzurbazar , Long Lee , Dongyang Kuang

Mass abnormality segmentation is a vital step for the medical diagnostic process and is attracting more and more the interest of many research groups. Currently, most of the works achieved in this area have used the Gray Level Co-occurrence…

计算机视觉与模式识别 · 计算机科学 2014-12-05 Khamsa Djaroudib , Abdelmalik Taleb Ahmed , Abdelmadjid Zidani

Salient Object Detection (SOD) methods can locate objects that stand out in an image, assign higher values to their pixels in a saliency map, and binarize the map outputting a predicted segmentation mask. A recent tendency is to investigate…

Alignment or registration of functions is a fundamental problem in statistical analysis of functions and shapes. While there are several approaches available, a more recent approach based on Fisher-Rao metric and square-root velocity…

统计方法学 · 统计学 2022-04-12 Xiaoyang Guo , Wei Wu , Anuj Srivastava

Anatomy evaluation is crucial for understanding the physiological state, diagnosing abnormalities, and guiding medical interventions. Statistical shape modeling (SSM) is vital in this process. By enabling the extraction of quantitative…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Krithika Iyer , Mokshagna Sai Teja Karanam , Shireen Elhabian

This paper presents the first active object mapping framework for complex robotic manipulation and autonomous perception tasks. The framework is built on an object SLAM system integrated with a simultaneous multi-object pose estimation…

机器人学 · 计算机科学 2022-01-11 Yanmin Wu , Yunzhou Zhang , Delong Zhu , Xin Chen , Sonya Coleman , Wenkai Sun , Xinggang Hu , Zhiqiang Deng

Subspace identification methods (SIMs) have proven very powerful for estimating linear state-space models. To overcome the deficiencies of classical SIMs, a significant number of algorithms has appeared over the last two decades, where most…

系统与控制 · 电气工程与系统科学 2024-05-08 Jiabao He , Cristian R. Rojas , Håkan Hjalmarsson

Atomic force microscopy (AFM) is a key tool for characterising nanoscale structures, with functionalised tips now offering detailed images of the atomic structure. In parallel, AFM simulations using the particle probe model provide a…

We present Advancing Front Mapping (AFM), a provably robust algorithm for the computation of surface mappings to simple base domains. Given an input mesh and a convex or star-shaped target domain, AFM installs a (possibly refined) version…

计算几何 · 计算机科学 2024-01-08 Marco Livesu

Segmentation is a fundamental task for extracting semantically meaningful regions from an image. The goal of segmentation algorithms is to accurately assign object labels to each image location. However, image-noise, shortcomings of…

计算机视觉与模式识别 · 计算机科学 2016-10-06 Marc Niethammer , Kilian M. Pohl , Firdaus Janoos , William M. Wells