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Understanding 3D medical image volumes is a critical task in the medical domain. However, existing 3D convolution and transformer-based methods have limited semantic understanding of an image volume and also need a large set of volumes for…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Qiuhui Chen , Huping Ye , Yi Hong

Food image classification is a fundamental step of image-based dietary assessment, enabling automated nutrient analysis from food images. Many current methods employ deep neural networks to train on generic food image datasets that do not…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xinyue Pan , Jiangpeng He , Fengqing Zhu

This study presents the first report on the development of an artificial intelligence (AI) for automatic region segmentation of four-dimensional computer tomography (4D-CT) images during swallowing. The material consists of 4D-CT images…

图像与视频处理 · 电气工程与系统科学 2025-01-31 Yukihiro Michiwaki , Takahiro Kikuchi , Takashi Ijiri , Yoko Inamoto , Hiroshi Moriya , Takumi Ogawa , Ryota Nakatani , Yuto Masaki , Yoshito Otake , Yoshinobu Sato

Nutrition estimation is an important component of promoting healthy eating and mitigating diet-related health risks. Despite advances in tasks such as food classification and ingredient recognition, progress in nutrition estimation is…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Huiyan Qi , Bin Zhu , Chong-Wah Ngo , Jingjing Chen , Ee-Peng Lim

Thin leaves, fine stems, self-occlusion, non-rigid and slowly changing structures make plants difficult for three-dimensional (3D) scanning and reconstruction -- two critical steps in automated visual phenotyping. Many current solutions…

计算机视觉与模式识别 · 计算机科学 2017-02-28 Chuong V Nguyen , Jurgen Fripp , David R Lovell , Robert Furbank , Peter Kuffner , Helen Daily , Xavier Sirault

Recent advances in artificial intelligence promote a wide range of computer vision applications in many different domains. Digital cameras, acting as human eyes, can perceive fundamental object properties, such as shapes and colors, and can…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Swarna Sethu , Dongyi Wang

Food crystal agglomeration is a phenomenon occurs during crystallization which traps water between crystals and affects food product quality. Manual annotation of agglomeration in 2D microscopic images is particularly difficult due to the…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Xiaoyu Ji , Ali Shakouri , Fengqing Zhu

Fish products account for about 16 percent of the human diet worldwide, as of 2017. The counting action is a significant component in growing and producing these products. Growers must count the fish accurately, to do so technological…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Chen Rothschild

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

Due to the fact that pancreas is an abdominal organ with very large variations in shape and size, automatic and accurate pancreas segmentation can be challenging for medical image analysis. In this work, we proposed a fully automated two…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Ningning Zhao , Nuo Tong , Dan Ruan , Ke Sheng

The present study presents a simple but effective method for 3D visualization of the two-phase flow in the micro-tube. An isosceles right-angle prism combined with a mirror located 45^o bevel to the prism is employed to obtain synchronously…

流体动力学 · 物理学 2009-07-12 X. Fu , P. Zhang , H. Hu , C. J. Huang , Y. Huang , R. Z. Wang

Accurate food intake detection is vital for dietary monitoring and chronic disease prevention. Traditional self-report methods are prone to recall bias, while camera-based approaches raise concerns about privacy. Furthermore, existing…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Jiaxi Yin , Pengcheng Wang , Han Ding , Fei Wang

We propose a novel point cloud based 3D organ segmentation pipeline utilizing deep Q-learning. In order to preserve shape properties, the learning process is guided using a statistical shape model. The trained agent directly predicts…

计算机视觉与模式识别 · 计算机科学 2018-06-18 Xia Zhong , Mario Amrehn , Nishant Ravikumar , Shuqing Chen , Norbert Strobel , Annette Birkhold , Markus Kowarschik , Rebecca Fahrig , Andreas Maier

Two-dimensional (2D) freehand ultrasonography is one of the most commonly used medical imaging modalities, particularly in obstetrics and gynaecology. However, it only captures 2D cross-sectional views of inherently 3D anatomies, losing…

图像与视频处理 · 电气工程与系统科学 2024-04-17 Mark C. Eid , Pak-Hei Yeung , Madeleine K. Wyburd , João F. Henriques , Ana I. L. Namburete

Endoscopic diagnosis is an important means for gastric polyp detection. In this paper, a panoramic image of gastroscopy is developed, which can display the inner surface of the stomach intuitively and comprehensively. Moreover, the proposed…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Chenfei Shi , Yan Xue , Chuan Jiang , Hui Tian , Bei Liu

The advancement of artificial intelligence (AI) in food and nutrition research is hindered by a critical bottleneck: the lack of annotated food data. Despite the rise of highly efficient AI models designed for tasks such as food…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Lubnaa Abdur Rahman , Ioannis Papathanail , Lorenzo Brigato , Stavroula Mougiakakou

Nutrition estimation of meals from visual data is an important problem for dietary monitoring and computational health, but existing approaches largely rely on single images of the finally completed dish. This setting is fundamentally…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Chengkun Yue , Chuanzhi Xu , Jiangpeng He

A laser scanner can easily acquire the geometric data of physical environments in the form of a point cloud. Recognizing objects from a point cloud is often required for industrial 3D reconstruction, which should include not only geometry…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Hyungki Kim , Moohyun Cha , Duhwan Mun

Robotic systems in manufacturing applications commonly assume known object geometry and appearance. This simplifies the task for the 3D perception algorithms and allows the manipulation to be more deterministic. However, those approaches…

机器人学 · 计算机科学 2019-11-14 Benjamin Joffe , Tevon Walker. Remi Gourdon , Konrad Ahlin

In this paper, we adopt 3D Convolutional Neural Networks to segment volumetric medical images. Although deep neural networks have been proven to be very effective on many 2D vision tasks, it is still challenging to apply them to 3D tasks…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Zhuotun Zhu , Yingda Xia , Wei Shen , Elliot K. Fishman , Alan L. Yuille