Results 61 to 70 of about 2,504,732 (199)

Orchard Robot Navigation via an Improved RTAB-Map Algorithm

Applied Sciences
To address issues such as low visual SLAM (Simultaneous Localization and Mapping) positioning accuracy and poor map construction robustness caused by light variations, foliage occlusion, and texture repetition in unstructured orchard environments, this ...
Jinxing Niu, Le Zhang, Tao Zhang, Jinpeng Guan, Shuheng Shi   +4 more
doaj   +1 more source

Accuracy of cup orientation and learning curve of the accelerometer-based portable navigation system for total hip arthroplasty in the supine position

Journal of Orthopaedic Surgery, 2019
Purpose: To assess the accuracy of cup orientation and learning curve of the disposable accelerometer-based portable navigation system for total hip arthroplasty (THA) in the supine position.
Tomoyuki Kamenaga, Shinya Hayashi, Shingo Hashimoto, Tomoyuki Matsumoto, Koji Takayama, Takaaki Fujishiro, Takafumi Hiranaka, Takahiro Niikura, Ryosuke Kuroda   +8 more
doaj   +1 more source

Journées de la navigation mosane : rapports de la section Administrative /

, 1954
Journées de la navigation mosane organisées à l'occasion du 25e anniversaire de l'Office de la Navigation, Liège, 30 avril-1er mai 1954 ...
Congrès national de la Navigation intérieure., Congrès national de la Navigation intérieure, Journées de la navigation mosane(1954 :Liège), Valcke, E.,, de Rudder, P.,   +3 more
core  

Bridging MOOC Education and Information Sciences: Empirical Studies

IEEE Access, 2019
In the rise of massive open online courses (MOOCs), massive data of online learning behaviors are generated, which are valuable for the research on distance education in the aspects of making courses more attractive, learning more effective, and ...
Zheng Xie
doaj   +1 more source

The Four Key Challenges of Advanced Multisensor Navigation and Positioning [PDF]

, 2014
The next generation of navigation and positioning systems must provide greater accuracy and reliability in a range of challenging environments to meet the needs of a variety of mission-critical applications.
Martin, H, Jiang, Z, Henry Martin, Groves, PD, Wang, L, Lei Wang, Ziyi Jiang, Walter, D, Voutsis, K, Kimon Voutsis, Debbie Walter, Paul D Groves   +11 more
core   +1 more source

Redundant multi-mode filter for a navigation system [PDF]

, 2007
An approach is introduced to the design of a multi-mode navigation filter to combine a low-cost skewed redundant inertial measurement unit (SRIMU) with a multifunctional GPS (MF-GPS) receiver in order to implement a fault-tolerant aircraft navigation ...
Jia, Huamin, Allerton, David J.
core   +1 more source

Industrial Course Bulletin (Vol. 2, No. 1), January 1924

, 1924
The industrial Course Newsletter was a newsletter issued by the Industrial Course of the International YMCA College, Springfield College. It ran from January 1923 to July 1924.
Industrial Course, International YMCA College
core   +1 more source

Report on the Fifth Regional Training Course for Fishery Extension Officers in Fishing Technology and Coastal Navigation

, 1984
During the period 1981 to 1983, four Regional Training Course for Fishery Extension officers tn Marine Capture Fisheries were organized at the Training Department of SEAFDEC, with the funds kindly donated by the Royal Government of the Natherlands under ...
Southeast Asian Fisheries Development Center, Training Department
core  

Industrial Course Newsletter (Vol. 1, No. 3), July 1923

, 1923
The industrial Course Newsletter was a newsletter issued by the Industrial Course of the International YMCA College, Springfield College. It ran from January 1923 to July 1924.
Industrial Course, International YMCA College
core   +1 more source

Industrial Course Bulletin (Vol. 2, No. 3), July 1924

, 1924
The industrial Course Newsletter was a newsletter issued by the Industrial Course of the International YMCA College, Springfield College. It ran from January 1923 to July 1924.
Industrial Course, International YMCA College
core   +1 more source