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Critical Perspectives of Educational Technology in Africa - Bellarmine A. Ezumah - Bog - Springer Nature Switzerland AG - Plusbog.dk

Critical Perspectives of Educational Technology in Africa - Bellarmine A. Ezumah - Bog - Springer Nature Switzerland AG - Plusbog.dk

This book is a critical-cultural evaluation of educational technology adoption in Sub-Saharan Africa, including projects such as the OLPC (One Laptop Per Child). It presents efficient ways of improving education delivery among low-income communities through designing and implementing congruent educational technologies that incorporate social and cultural proclivities. Ezumah defines technology with regards to pedagogy, and seeks to debunk the assumption that educational technology consists only of digital and interactive options. Additionally, she argues for a narrative paradigm shift aimed at validating analog technologies as equally capable of providing necessary and desired educational objectives and outcomes for communities who cannot afford the digital alternatives. By comparing African educational systems in precolonial, colonial, and post-colonial times and incorporating the history of technology transfers from the Global North to South, the book highlights cultural imperialism, development theory, neocolonialism, and hegemonic tendencies.

DKK 434.00
1

Moving Objects Detection Using Machine Learning - Navneet Ghedia - Bog - Springer Nature Switzerland AG - Plusbog.dk

Moving Objects Detection Using Machine Learning - Navneet Ghedia - Bog - Springer Nature Switzerland AG - Plusbog.dk

This book shows how machine learning can detect moving objects in a digital video stream. The authors present different background subtraction approaches, foreground segmentation, and object tracking approaches to accomplish this. They also propose an algorithm that considers a multimodal background subtraction approach that can handle a dynamic background and different constraints. The authors show how the proposed algorithm is able to detect and track 2D & 3D objects in monocular sequences for both indoor and outdoor surveillance environments and at the same time, also able to work satisfactorily in a dynamic background and with challenging constraints. In addition, the shows how the proposed algorithm makes use of parameter optimization and adaptive threshold techniques as intrinsic improvements of the Gaussian Mixture Model. The presented system in the book is also able to handle partial occlusion during object detection and tracking. All the presented work and evaluations were carried out in offline processing with the computation done by a single laptop computer with MATLAB serving as software environment.

DKK 519.00
1