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This paper presents a tumor detection algorithm from mammogram. The proposed system focuses on the solution of two problems. One is how to detect tumors as suspicious regions with a very weak contrast to their background and another is how…

Machine Learning · Computer Science 2009-12-14 Y. Ireaneus Anna Rejani , S. Thamarai Selvi

In this work, we propose a novel method termed \emph{Frustum ConvNet (F-ConvNet)} for amodal 3D object detection from point clouds. Given 2D region proposals in an RGB image, our method first generates a sequence of frustums for each region…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Zhixin Wang , Kui Jia

Accurate fetal movement (FM) detection is essential for assessing prenatal health, as abnormal movement patterns can indicate underlying complications such as placental dysfunction or fetal distress. Traditional methods, including maternal…

Face morphing attack detection is a challenging task. Automatic classification methods and manual inspection are realised in automatic border control gates to detect morphing attacks. Understanding how a machine learning system can detect…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Juan Tapia , Christoph Busch

Breast cancer is one of the most serious disease affecting women's health. Due to low cost, portable, no radiation, and high efficiency, breast ultrasound (BUS) imaging is the most popular approach for diagnosing early breast cancer.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-24 Kuan Huang , Yingtao Zhang , H. D. Cheng , Ping Xing , Boyu Zhang

Medical image compression is a widely studied field of data processing due to its prevalence in modern digital databases. This domain requires a high color depth of 12 bits per pixel component for accurate analysis by physicians, primarily…

Image and Video Processing · Electrical Eng. & Systems 2024-11-11 Taaha Khan

The box-covering method plays a fundamental role in the fractal property recognition and renormalization analysis of complex networks. This study proposes the hub-collision avoidance and leaf-node options (HALO) algorithm. In the box…

Physics and Society · Physics 2024-01-05 Feiyan Guo , Jiajun Zhou , Zhongyuan Ruan , Jian Zhang , Lin Qi

A computer-aided detection (CAD) system for the identification of lung internal nodules in low-dose multi-detector helical Computed Tomography (CT) images was developed in the framework of the MAGIC-5 project. The three modules of our lung…

Visual feature clustering is one of the cost-effective approaches to segment objects in videos. However, the assumptions made for developing the existing algorithms prevent them from being used in situations like segmenting an unknown…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 A. M. R. R. Bandara , L. Ranathunga , N. A. Abdullah

Understanding fracture in cementitious materials caused by the deposition and growth of corrosion products requires scale-bridging approaches due to the large length-scale difference between the micro-pores, where deposition occurs, and the…

Soft Condensed Matter · Physics 2023-08-21 Mohit Pundir , David S. Kammer , Ueli Angst

The multifractal geometry remains an under-exploited approach to describe and quantify the large-scale structure of interstellar clouds. In this paper, the typical tools of multifractal analysis are applied to Herschel far-infrared (70-500…

Astrophysics of Galaxies · Physics 2018-08-09 D. Elia , F. Strafella , S. Dib , N. Schneider , P. Hennebelle , S. Pezzuto , S. Molinari , E. Schisano , S. E. Jaffa

In this paper a new technique is presented that extracts the geometry of lumbar vertebral bodies from spiral CT scans. Our new multi-step segmentation approach yields highly accurate and precise measurement of the bone mineral density (BMD)…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Andre Mastmeyer , Klaus Engelke , Willi Kalender

We present a novel approach to the detection and characterization of edges, ridges, and blobs in two-dimensional images which exploits the symmetry properties of directionally sensitive analyzing functions in multiscale systems that are…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Rafael Reisenhofer , Emily J. King

Existing multi-focus image fusion (MFIF) methods often fail to preserve the uncertain transition region and detect small focus areas within large defocused regions accurately. To address this issue, this study proposes a new…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xilai Li , Xiaosong Li , Haishu Tan , Jinyang Li

Model merging combines task experts into one model and avoids joint training, retraining, or deploying many expert models, but the merged model often still underperforms task experts. We study this performance gap through feature drift, the…

Machine Learning · Computer Science 2026-05-14 Yanggan Gu , Shuo Cai , Zihao Wang , Wenjun Wang , Yuanyi Wang , Pengkai Wang , Sirui Huang , Su Lu , Jianmin Wu , Hongxia Yang

Leveraging multi-modal fusion, especially between camera and LiDAR, has become essential for building accurate and robust 3D object detection systems for autonomous vehicles. Until recently, point decorating approaches, in which point…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Philip Jacobson , Yiyang Zhou , Wei Zhan , Masayoshi Tomizuka , Ming C. Wu

Fourier ptychographic microscopy (FPM) is a promising computational imaging technique with high resolution, wide field-of-view (FOV) and quantitative phase recovery. So far, a series of system errors that may corrupt the image quality of…

Image and Video Processing · Electrical Eng. & Systems 2023-03-29 An Pan , Aiye Wang , Junfu Zheng , Yuting Gao , Caiwen Ma , Baoli Yao

Myocardial Contrast Echocardiography (MCE) with micro-bubble contrast agent enables myocardial perfusion quantification which is invaluable for the early detection of coronary artery diseases. In this paper, we proposed a new segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Yuanwei Li , Chin Pang Ho , Navtej Chahal , Roxy Senior , Meng-Xing Tang

Breast lesion detection in ultrasound video is critical for computer-aided diagnosis. However, detecting lesion in video is quite challenging due to the blurred lesion boundary, high similarity to soft tissue and lack of video annotations.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Sihong Chen , Weiping Yu , Kai Ma , Xinlong Sun , Xiaona Lin , Desheng Sun , Yefeng Zheng

Navigation for thoracoabdominal puncture surgery is used to locate the needle entry point on the patient's body surface. The traditional reflective ball navigation method is difficult to position the needle entry point on the soft,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Zezhao Guo , Yanzhong Guo , Zhanfang Zhao