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Spinal curvature estimation is important to the diagnosis and treatment of the scoliosis. Existing methods face several issues such as the need of expensive annotations on the vertebral landmarks and being sensitive to the image quality. It…

Image and Video Processing · Electrical Eng. & Systems 2023-10-17 Hao Wang , Qiang Song , Ruofeng Yin , Rui Ma , Yizhou Yu , Yi Chang

Scoliosis, a prevalent condition characterized by abnormal spinal curvature leading to deformity, requires precise assessment methods for effective diagnosis and management. The Cobb angle is a widely used scoliosis quantification method…

The Cobb angle that quantitatively evaluates the spinal curvature plays an important role in the scoliosis diagnosis and treatment. Conventional measurement of these angles suffers from huge variability and low reliability due to intensive…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Haoliang Sun , Xiantong Zhen , Chris Bailey , Parham Rasoulinejad , Yilong Yin , Shuo Li

Scoliosis is a condition defined by an abnormal spinal curvature. For diagnosis and treatment planning of scoliosis, spinal curvature can be estimated using Cobb angles. We propose an automated method for the estimation of Cobb angles from…

Image and Video Processing · Electrical Eng. & Systems 2019-12-12 Florian Dubost , Benjamin Collery , Antonin Renaudier , Axel Roc , Nicolas Posocco , Gerda Bortsova , Wiro Niessen , Marleen de Bruijne

Automated Cobb angle estimation based on X-ray images plays an important role in scoliosis diagnosis, treatment, and progression surveillance. The inadequate feature extraction and the noise in X-ray images are the main difficulties of…

Image and Video Processing · Electrical Eng. & Systems 2024-05-31 Jie Yang , Jiankun Wang , Max Q. -H. Meng

Scoliosis diagnosis and assessment depend largely on the measurement of the Cobb angle in spine X-ray images. With the emergence of deep learning techniques that employ landmark detection, tilt prediction, and spine segmentation, automated…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Zhengxuan Qiu , Jie Yang , Jiankun Wang

Automated methods for Cobb angle estimation are of high demand for scoliosis assessment. Existing methods typically calculate the Cobb angle from landmark estimation, or simply combine the low-level task (e.g., landmark detection and spine…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Yi Lin , Luyan Liu , Kai Ma , Yefeng Zheng

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…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 VSR Veeravasarapu , Abhishek Goel , Deepak Mittal , Maneesh Singh

Correct evaluation and treatment of Scoliosis require accurate estimation of spinal curvature. Current gold standard is to manually estimate Cobb Angles in spinal X-ray images which is time consuming and has high inter-rater variability. We…

Computer Vision and Pattern Recognition · Computer Science 2019-11-01 Bidur Khanal , Lavsen Dahal , Prashant Adhikari , Bishesh Khanal

Direct contour regression for instance segmentation is a challenging task. Previous works usually achieve it by learning to progressively refine the contour prediction or adopting a shape representation with limited expressiveness. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Tutian Tang , Wenqiang Xu , Ruolin Ye , Yan-Feng Wang , Cewu Lu

Cobb angle, which is a measure of spinal curvature is the standard method for quantifying the magnitude of Scoliosis related to spinal deformity in orthopedics. Determining the Cobb angle through manual process is subject to human errors.…

Computer Vision and Pattern Recognition · Computer Science 2012-11-26 Raka Kundu , Amlan Chakrabarti , Prasanna K. Lenka

Ultrasound spine imaging technique has been applied to the assessment of spine deformity. However, manual measurements of scoliotic angles on ultrasound images are time-consuming and heavily rely on raters experience. The objectives of this…

Image and Video Processing · Electrical Eng. & Systems 2022-04-21 Zhichao Liu , Liyue Qian , Wenke Jing , Desen Zhou , Xuming He , Edmond Lou , Rui Zheng

Curb detection is a crucial function in intelligent driving, essential for determining drivable areas on the road. However, the complexity of road environments makes curb detection challenging. This paper introduces CurbNet, a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Guoyang Zhao , Fulong Ma , Weiqing Qi , Yuxuan Liu , Ming Liu , Jun Ma

Scoliosis is a sideways curvature of the spine that most often is diagnosed among young teenagers. It dramatically affects the quality of life, which can cause complications from heart and lung injuries in severe cases. The current gold…

Image and Video Processing · Electrical Eng. & Systems 2022-11-01 Yen Hoang Nguyen

This paper proposes a novel Convolutional Neural Network model for contour data analysis (ContourCNN) and shape classification. A contour is a circular sequence of points representing a closed shape. For handling the cyclical property of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Ahmad Droby , Jihad El-Sana

Objectives: To quantify the magnitude of spinal deformity in adolescent idiopathic scoliosis (AIS), the Cobb angle is measured on X-ray images of the spine. Continuous exposure to X-ray radiation to follow-up the progression of scoliosis…

Image and Video Processing · Electrical Eng. & Systems 2023-01-31 Bahare Samadi , Maxime Raison , Philippe Mahaudens , Christine Detrembleur , Sofiane Achiche

Scoliosis is a three-dimensional deformity of the spine, most often diagnosed in childhood. It affects 2-3% of the population, which is approximately seven million people in North America. Currently, the reference standard for assessing…

Image and Video Processing · Electrical Eng. & Systems 2022-11-28 Chaojun Chen , Khashayar Namdar , Yujie Wu , Shahob Hosseinpour , Manohar Shroff , Andrea S. Doria , Farzad Khalvati

We present a novel hybrid strategy based on machine learning to improve curvature estimation in the level-set method. The proposed inference system couples enhanced neural networks with standard numerical schemes to compute curvature more…

Machine Learning · Computer Science 2022-09-29 Luis Ángel Larios-Cárdenas , Frédéric Gibou

The current clinical gold standard for evaluating adolescent idiopathic scoliosis (AIS) is X-ray radiography, using Cobb angle measurement. However, the frequent monitoring of the AIS progression using X-rays poses a challenge due to the…

Adolescent idiopathic scoliosis (AIS) is a common spinal deformity affecting approximately 2.2% of boys and 4.8% of girls worldwide. The Cobb angle serves as the gold standard for AIS severity assessment, yet traditional manual measurements…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Chang Shi , Nan Meng , Yipeng Zhuang , Moxin Zhao , Jason Pui Yin Cheung , Hua Huang , Xiuyuan Chen , Cong Nie , Wenting Zhong , Guiqiang Jiang , Yuxin Wei , Jacob Hong Man Yu , Si Chen , Xiaowen Ou , Teng Zhang
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