Results 1 to 10 of about 11,426 (251)

Detection-Guided Keypoint Estimation for Humanoid Robots from Video Frames [PDF]

Sensors
Reliable estimation of humanoid robot body configuration from monocular RGB frames is useful for external monitoring in traffic, logistics, and service-robotics environments.
Xuan Lou, Zhihuo Xu, Yuexia Wang
doaj   +2 more sources

Topological-Projection-Consistent Keypoint Extraction for PnP-Based Space-Target Pose Measurement Under Extreme Illumination [PDF]

Sensors
Accurate Perspective-n-Point (PnP) pose measurement for space targets benefits from consistency between the topological structure of extracted two-dimensional feature points and that of projected three-dimensional template points.
Jiuzheng Song, Zhen Liu, Yiming Su, Chonglin Zhao   +3 more
doaj   +2 more sources

Controlled comparative study of YOLOv8-Pose, YOLOv11-Pose, and Detectron2 for vertebrae detection and keypoint estimation. [PDF]

PLoS ONE
Accurate vertebrae detection with precise keypoint localization is essential for medical image analysis and clinical applications, such as spinal alignment assessment.
Avinash Bansal, Jan Kubíček, Shalini Garg   +2 more
doaj   +2 more sources

Statistical Data Analysis Models for Determining the Relevance of Structural Image Descriptions

IEEE Access, 2023
The aim of the research is to improve the effectiveness of image recognition methods according to the description in the form of a set of keypoint descriptors.
Yousef Ibrahim Daradkeh, Volodymyr Gorokhovatskyi, Iryna Tvoroshenko, Svitlana Gadetska, Mujahed Al-Dhaifallah   +4 more
doaj   +1 more source

Keypoint-Based Robotic Grasp Detection Scheme in Multi-Object Scenes

Sensors, 2021
Robot grasping is an important direction in intelligent robots. However, how to help robots grasp specific objects in multi-object scenes is still a challenging problem.
Tong Li, Fei Wang, Changlei Ru, Yong Jiang, Jinghong Li   +4 more
doaj   +1 more source

A Deep Learning-Based Hyperspectral Keypoint Representation Method and Its Application for 3D Reconstruction

IEEE Access, 2022
In previous studies, the keypoints and their feature descriptors of a hyperspectral image have not received enough attention. Compared with RGB images, the rich feature information of a hyperspectral image can not only constrain the spatial positions of ...
Tengfei Ma, Yuxin Xing, Dawei Gong, Zijian Lin, Yuanpeng Li, Jiong Jiang, Sailing He   +6 more
doaj   +1 more source

Developing a Method to Precisely Locate the Keypoint During Craniotomy Using the Retrosigmoid Keyhole Approach: Surgical Anatomy and Technical Nuances

Frontiers in Surgery, 2021
Objective: To explore the precise location of the keypoint during craniotomy using the retrosigmoid keyhole approach.Methods: This study included 20 dry skulls and 10 wet cadaveric specimens.
Zhi-heng Jian, Min-feng Sheng, Jia-yan Li, De-zhu An, Zhi-jian Weng, Gang Chen   +5 more
doaj   +1 more source

Voxel Grid-Based Fast Registration of Terrestrial Point Cloud

Remote Sensing, 2021
Terrestrial laser scanning (TLS) is an important part of urban reconstruction and terrain surveying. In TLS applications, 4-point congruent set (4PCS) technology is widely used for the global registration of point clouds.
Biao Xiong, Weize Jiang, Dengke Li, Man Qi   +3 more
doaj   +1 more source

Custo-efectividade de trastuzumab no tratamento de doentes com cancro da mama em estádios iniciais em Portugal.

Acta Médica Portuguesa, 2010
Despite the important advances observed in the last 25 years in the comprehension of the clinical and biological nature of breast cancer and its treatment, this disease remains a significant cause of cancer morbidity and mortality worldwide. The clinical
Ana Macedo, Isabel Monteiro, Sofia Andrade, A Cirrincione, J Ray   +4 more
doaj   +1 more source

Methods of Classification of Images on the Basis of the Values of Statistical Distributions for the Composition of Structural Description Components

IEEE Access, 2021
The article considers the problem of image recognition in computer vision systems. The results of the development of the method for image classification, using a structural approach, are presented.
Yousef Ibrahim Daradkeh, Volodymyr Gorokhovatskyi, Iryna Tvoroshenko, Svitlana Gadetska, Mujahed Al-Dhaifallah   +4 more
doaj   +1 more source