Results 81 to 90 of about 23,946 (190)

Reading hominin life history in fossil bones and teeth: methods to test hypotheses regarding its evolution

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1463-1478, June 2026.
ABSTRACT Human life history is derived compared to that of our closest living relatives, the great apes. It has been suggested that these derived traits are causally related to aspects of our ecology, social behaviour and cognitive abilities. However, resolving this requires that we know the evolutionary trajectory of our distinctive pattern of growth,
Paola Cerrito   +2 more
wiley   +1 more source

Video data compression using artificial neural network differential vector quantization [PDF]

open access: yes
An artificial neural network vector quantizer is developed for use in data compression applications such as Digital Video. Differential Vector Quantization is used to preserve edge features, and a new adaptive algorithm, known as Frequency-Sensitive ...
Ahalt, Stanley C.   +2 more
core   +1 more source

Acknowledging the potential role of animal self-medication [PDF]

open access: yes, 2002
This report was presented at the UK Organic Research 2002 Conference. Much research on animal health and welfare assumes that animals passively endure the pathogens, diet, and environmental conditions that come their way.
Engel, Cindy Reece
core  

Hybrid Hydrodynamic‐Machine Learning Modelling for Rapid Flood Scenario Assessment: A Case Study in Aotearoa New Zealand

open access: yesJournal of Flood Risk Management, Volume 19, Issue 2, June 2026.
ABSTRACT Flooding is one of the most devastating natural disasters worldwide. It is also expected to become more severe as climate change impacts are realised. Two‐dimensional (2D) hydrodynamic models are used to obtain reliable inundation estimations.
Andrea Pozo   +5 more
wiley   +1 more source

Urban Rainfall Island Detection Remains Uncertain: A Global Sensitivity Analysis Across Data Sets and Methods

open access: yesGeophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Urbanization can enhance local precipitation through thermodynamic and dynamic effects, yet detection of the urban rainfall island (URI) effect remains uncertain at the global scale because results vary across data sets, methods, and spatiotemporal resolutions.
Jinghua Xiong, Yuting Yang
wiley   +1 more source

Pseudo‐Radar Reflectivity by Applying U‐Net Models to Global Passive Microwave Brightness Temperatures

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 9, 16 May 2026.
Abstract Spaceborne radar systems such as the Global Precipitation Measurement Mission (GPM)'s core satellite Dual‐frequency Precipitation Radar (DPR) provide global insight into precipitation structure, storm morphology, and hydrological cycles. However, their limited spatial and temporal sampling and high cost constrain their ability to continuously ...
Florian Morvais, Chuntao Liu
wiley   +1 more source

Does Farm Diversification Enhance Food and Livelihood Security? Evidence From Smallholder Cocoa Farmers in Ghana

open access: yesFood and Energy Security, Volume 15, Issue 3, May/June 2026.
ABSTRACT Farm diversification provides alternative sources of income and helps mitigate risks associated with relying solely on one crop. This study investigated the impact of diversification on the welfare of Ghanaian cocoa farmers. Primary data were collected from 403 smallholder cocoa farmers using a multi‐stage sampling technique and analyzed using
Camillus Abawiera Wongnaa   +3 more
wiley   +1 more source

The Untapped Hydropower Potential of World's Cities

open access: yesEarth's Future, Volume 14, Issue 5, May 2026.
Abstract Many large cities around the world experience frequent power outages and yet have an abundance of tall buildings and experience rainfall. This represents a unique and scalable opportunity for cities to capture the intermittent rainwater at high elevation and convert the potential energy into electricity for rechargeable batteries at street ...
Shahzaib Khan   +3 more
wiley   +1 more source

On the optimality of code options for a universal noiseless coder [PDF]

open access: yes
A universal noiseless coding structure was developed that provides efficient performance over an extremely broad range of source entropy. This is accomplished by adaptively selecting the best of several easily implemented variable length coding ...
Miller, Warner   +2 more
core   +1 more source

Pemampatan Citra Keabuan dengan Algoritma Adaptive Huffman dan LZW

open access: yesJurnal Teknik ITS, 2016
Perkembangan data digital cukuplah pesat, mulai dari ukuran hingga jenis berkas. Untuk mengimbangi hal tersebut maka perlu ada-nya algoritma pemampatan guna mengurangi ukuran penggunaan media penyimpanan. Salah satu algoritma yang cukup lama ada adalah Adaptive Huffman, dan serta mengkombinasikannya dengan LZW, maka hasil pemampatan yang didapat akan ...
Djuned Fernando Djusdek   +2 more
openaire   +2 more sources

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