Improving the taxonomy of fossil pollen using convolutional neural networks and superresolution microscopy

IC Romero, S Kong, CC Fowlkes… - Proceedings of the …, 2020 - National Acad Sciences
Taxonomic resolution is a major challenge in palynology, largely limiting the ecological and
evolutionary interpretations possible with deep-time fossil pollen data. We present an …

Automated recognition by multiple convolutional neural networks of modern, fossil, intact and damaged pollen grains

B Bourel, R Marchant, T de Garidel-Thoron… - Computers & …, 2020 - Elsevier
Pollen grains are valuable paleoclimate and paleovegetation proxies which require
extensive knowledge of morphotypes and long acquisition time under the microscope. The …

Pollen analysis using multispectral imaging flow cytometry and deep learning

S Dunker, E Motivans, D Rakosy, D Boho… - New …, 2021 - Wiley Online Library
Pollen identification and quantification are crucial but challenging tasks in addressing a
variety of evolutionary and ecological questions (pollination, paleobotany), but also for other …

Classifying black and white spruce pollen using layered machine learning

SW Punyasena, DK Tcheng, C Wesseln… - New …, 2012 - Wiley Online Library
Pollen is among the most ubiquitous of terrestrial fossils, preserving an extended record of
vegetation change. However, this temporal continuity comes with a taxonomic tradeoff …

POLLEN73S: an image dataset for pollen grains classification

G Astolfi, AB Goncalves, GV Menezes, FSB Borges… - Ecological …, 2020 - Elsevier
The classification of pollen species and types is an important task in many areas like
forensic palynology, archaeological palynology, and melissopalynology. This paper …

Capturing the surface texture and shape of pollen: a comparison of microscopy techniques

M Sivaguru, L Mander, G Fried, SW Punyasena - PloS one, 2012 - journals.plos.org
Research on the comparative morphology of pollen grains depends crucially on the
application of appropriate microscopy techniques. Information on the performance of …

On the taxonomic resolution of pollen and spore records of Earth's vegetation

L Mander, SW Punyasena - International Journal of Plant …, 2014 - journals.uchicago.edu
Premise of research. Pollen and spores (sporomorphs) are a valuable record of plant life
and have provided information on subjects ranging from the nature and timing of …

Pollination of Cretaceous flowers

T Bao, B Wang, J Li, D Dilcher - Proceedings of the …, 2019 - National Acad Sciences
Insect pollination of flowering plants (angiosperms) is responsible for the majority of the
world's flowering plant diversity and is key to the Cretaceous radiation of angiosperms …

Towards automation of palynology 2: the use of texture measures and neural network analysis for automated identification of optical images of pollen grains

P Li, WJ Treloar, JR Flenley… - Journal of Quaternary …, 2004 - Wiley Online Library
The automation of palynology (the identification and counting of pollen grains and spores)
will be a small step for image recognition, but a giant stride for palynology. Here we show …

Generalist pollen-feeding beetles during the mid-Cretaceous

D Peris, CC Labandeira, E Barron, X Delclos, J Rust… - Iscience, 2020 - cell.com
The Cretaceous fossil record of amber provides a variety of evidence that is essential for
greater understanding of early pollination strategies. Here, we describe four pieces of ca. 99 …