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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

One-shot detection of anatomical landmarks is gaining significant attention for its efficiency in using minimal labeled data to produce promising results. However, the success of current methods heavily relies on the employment of extensive…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Juzheng Miao , Cheng Chen , Keli Zhang , Jie Chuai , Quanzheng Li , Pheng-Ann Heng

Vertebral landmark localization is a crucial step for variant spine-related clinical applications, which requires detecting the corner points of 17 vertebrae. However, the neighbor landmarks often disturb each other for the homogeneous…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Zhiwei Wang , Jinxin Lv , Yunqiao Yang , Yuanhuai Liang , Yi Lin , Qiang Li , Xin Li , Xin Yang

Convolutional networks (ConvNets) have achieved promising accuracy for various anatomical segmentation tasks. Despite the success, these methods can be sensitive to data appearance variations. Considering the large variability of scans…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Yuan Liang , Weinan Song , Jiawei Yang , Liang Qiu , Kun Wang , Lei He

Constrained Local Models (CLMs) are a well-established family of methods for facial landmark detection. However, they have recently fallen out of favor to cascaded regression-based approaches. This is in part due to the inability of…

计算机视觉与模式识别 · 计算机科学 2017-07-28 Amir Zadeh , Tadas Baltrušaitis , Louis-Philippe Morency

Automated lumbar spine segmentation is very crucial for modern diagnosis systems. In this study, we introduce a novel machine-agnostic approach for segmenting lumbar vertebrae and intervertebral discs from MRI images, employing a cascaded…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Promit Basak , Rusab Sarmun , Saidul Kabir , Israa Al-Hashimi , Enamul Hoque Bhuiyan , Anwarul Hasan , Muhammad Salman Khan , Muhammad E. H. Chowdhury

In computer-aided diagnosis tools employed for skin cancer treatment and early diagnosis, skin lesion segmentation is important. However, achieving precise segmentation is challenging due to inherent variations in appearance, contrast,…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Asim Naveed , Syed S. Naqvi , Tariq M. Khan , Shahzaib Iqbal , M. Yaqoob Wani , Haroon Ahmed Khan

We present a novel boundary-aware face alignment algorithm by utilising boundary lines as the geometric structure of a human face to help facial landmark localisation. Unlike the conventional heatmap based method and regression based…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Wayne Wu , Chen Qian , Shuo Yang , Quan Wang , Yici Cai , Qiang Zhou

We describe a deep learning based method for estimating 3D facial expression coefficients. Unlike previous work, our process does not relay on facial landmark detection methods as a proxy step. Recent methods have shown that a CNN can be…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Feng-Ju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Anatomical landmarks are a crucial prerequisite for many medical imaging tasks. Usually, the set of landmarks for a given task is predefined by experts. The landmark locations for a given image are then annotated manually or via machine…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Richard Droste , Pierre Chatelain , Lior Drukker , Harshita Sharma , Aris T. Papageorghiou , J. Alison Noble

The accurate identification and precise localization of cephalometric landmarks enable the classification and quantification of anatomical abnormalities. The traditional way of marking cephalometric landmarks on lateral cephalograms is a…

图像与视频处理 · 电气工程与系统科学 2023-02-16 Muhammad Anwaar Khalid , Kanwal Zulfiqar , Ulfat Bashir , Areeba Shaheen , Rida Iqbal , Zarnab Rizwan , Ghina Rizwan , Muhammad Moazam Fraz

Quantitative bone single-photon emission computed tomography (QBSPECT) has the potential to provide a better quantitative assessment of bone metastasis than planar bone scintigraphy due to its ability to better quantify activity in…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Junyu Chen , Ye Li , Licia P. Luna , Hyun Woo Chung , Steven P. Rowe , Yong Du , Lilja B. Solnes , Eric C. Frey

Deep learning has achieved remarkable success in medical image analysis, however its adoption in clinical practice is limited by a lack of interpretability. These models often make correct predictions without explaining their reasoning.…

图像与视频处理 · 电气工程与系统科学 2025-10-03 Jhonatan Contreras , Thomas Bocklitz

Semantic Change Detection (SCD) in remote sensing imagery requires accurately identifying land-cover changes across multi-temporal image pairs. Despite substantial advancements, including the introduction of transformer-based architectures,…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Athulya Ratnayake , Buddhi Wijenayake , Praveen Sumanasekara , Roshan Godaliyadda , Vijitha Herath , Parakrama Ekanayake

Contour shape alignment is a fundamental but challenging problem in computer vision, especially when the observations are partial, noisy, and largely misaligned. Recent ConvNet-based architectures that were proposed to align image…

计算机视觉与模式识别 · 计算机科学 2020-05-26 VSR Veeravasarapu , Abhishek Goel , Deepak Mittal , Maneesh Singh

In recent years, significant progress has been made in the research of facial landmark detection. However, few prior works have thoroughly discussed about models for practical applications. Instead, they often focus on improving a couple of…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Haibo Jin , Jinpeng Li , Shengcai Liao , Ling Shao

Knee osteoporosis weakens the bone tissue in the knee joint, increasing fracture risk. Early detection through X-ray images enables timely intervention and improved patient outcomes. While some researchers have focused on diagnosing knee…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Ayesha Siddiqua , Rakibul Hasan , Anichur Rahman , Abu Saleh Musa Miah

A fully automated knee MRI segmentation method to study osteoarthritis (OA) was developed using a novel hierarchical set of random forests (RF) classifiers to learn the appearance of cartilage regions and their boundaries. A neighborhood…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Satyananda Kashyap , Honghai Zhang , Karan Rao , Milan Sonka

In this study, we investigated a method allowing the determination of the femur bone surface as well as its mechanical axis from some easy-to-identify bony landmarks. The reconstruction of the whole femur is therefore performed from these…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Alireza Asvadi , Guillaume Dardenne , Jocelyne Troccaz , Valerie Burdin

Achieving high-quality semantic segmentation predictions using only image-level labels enables a new level of real-world applicability. Although state-of-the-art networks deliver reliable predictions, the amount of handcrafted pixel-wise…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Erik Ostrowski , Bharath Srinivas Prabakaran , Muhammad Shafique