Results 61 to 70 of about 634,511 (343)

Retinal Vessel Segmentation: A Comprehensive Review From Classical Methods to Deep Learning Advances (1982–2025)

Advanced Intelligent Systems, EarlyView.
Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal, Jan Kubíček, Jana Bahrová, Alice Varyšová, Martin Augustýnek, Marek Penhaker, Juraj Timkovič   +6 more
wiley   +1 more source

CRISIS LEADERSHIP IN RESEARCH INSTITUTIONS: LESSONS FROM POST-PANDEMIC RECOVERY IN THE GLOBAL SOUTH WITH ZIMBABWE/SADC FOCUS [PDF]

Palgo Journal of Education Research
The COVID-19 pandemic disrupted research systems worldwide, with particularly severe consequences for institutions in the Global South characterised by funding volatility, infrastructure limitations, and structural dependence on international ...
Reason Gobvu, Taddious Morgan Pasipanodya , Tazivei Dondofema, Herbert Tichaona Mareya   +3 more
doaj   +1 more source

Sub-Regional Courts in Africa: Litigating the Hybrid Right to Freedom of Movement [PDF]

, 2017
Human rights attorneys and civil society groups in Africa have recently focused their advocacy efforts on sub-regional courts associated with economic integration communities in East, West and Southern Africa.
Helfer, Laurence R.
core   +1 more source

SADC’S PURSUIT OF MARITIME SECURITY IN A REGION LACKING REGIONALISM

Scientia Militaria, 2020
Southern African Development Community (SADC) member states participate in many regional and multilateral initiatives that aim to enhance collective maritime security.
Walker, Timothy
doaj   +1 more source

How integrated is SADC ? trends in intra-regional and extra-regional trade flows and policy [PDF]

Do Southern African Development Community countries trade enough with each other and with the rest of the world? Although its share of world trade has fallen, appropriate benchmarking shows that, controlling for gross domestic product and other ...
Behar, Alberto, Edwards, Lawrence
core  

Dimensions of the AI Divide: Digital Inequality and Psychological Consequences

AI &Innovation, EarlyView.
ABSTRACT Artificial intelligence (AI) has become a foundational component of contemporary social, economic, and political life. Yet, the ways in which AI reshapes patterns of exclusion beyond questions of access and technical capability remain insufficiently theorized.
Christos Papaioannou
wiley   +1 more source

Seeds of change: The impact of Ethiopia's direct seed marketing approach on smallholders' seed purchases and productivity

American Journal of Agricultural Economics, EarlyView.
Abstract While multiple factors explain low adoption rates of improved varieties by small‐scale farmers in sub‐Saharan Africa, a key supply‐side constraint is the limited availability of seed embodying new traits in the volume, quality, price, and timeliness required by farmers. This constraint is partly attributable to classical failures in the market
Dawit Mekonnen, Gashaw T. Abate, Seid Yimam, Rui Benfica, David J. Spielman, Frank Place   +5 more
wiley   +1 more source

Conceptualising quality early childhood education: Learning from young children in Brazil and South Africa through creative and play‐based methods

British Educational Research Journal, EarlyView., 2023
Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright, Irene Rizzini, Malibongwe Gwele, Lynn McNair, Cristina Laclette Porto, Marsha Orgill, E. Kay M. Tisdall, Malcolm Bush, Linda Biersteker   +8 more
wiley   +1 more source

Lost in aggregation? On the importance of local food price data for food poverty estimates

American Journal of Agricultural Economics, EarlyView.
Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich, Valerio Giuffrida, Bruno Martorano, Georg Schmerzeck, Marco Tiberti   +4 more
wiley   +1 more source

The Southern African Development Community Treaty-Nexus; Integration in the Southern African Development Community Region

Revista de Estudos AntiUtilitaristas e PosColoniais
The Southern African Development Community Treaty-Nexus; Integration in the Southern African Development Community Region; Edts: K. Gombe Adar, D. Mpabanga, K. Lotshwao, T. Molokwane, N. Musekiwa. London: Lexington Book, 2023.
openaire   +1 more source