Dataset exploited for the development and validation of automated cyanobacteria quantification algorithm, ACQUA

Emanuele Gandola, Manuela Antonioli, Alessio Traficante, Simone Franceschini, Michele Scardi, Roberta Congestri

Research output: Contribution to journalArticlepeer-review


The estimation and quantification of potentially toxic cyanobacteria in lakes and reservoirs are often used as a proxy of risk for water intended for human consumption and recreational activities. Here, we present data sets collected from three volcanic Italian lakes (Albano, Vico, Nemi) that present filamentous cyanobacteria strains at different environments. Presented data sets were used to estimate abundance and morphometric characteristics of potentially toxic cyanobacteria comparing manual Vs. automated estimation performed by ACQUA ("ACQUA: Automated Cyanobacterial Quantification Algorithm for toxic filamentous genera using spline curves, pattern recognition and machine learning" (Gandola et al., 2016) [1]). This strategy was used to assess the algorithm performance and to set up the denoising algorithm. Abundance and total length estimations were used for software development, to this aim we evaluated the efficiency of statistical tools and mathematical algorithms, here described. The image convolution with the Sobel filter has been chosen to denoise input images from background signals, then spline curves and least square method were used to parameterize detected filaments and to recombine crossing and interrupted sections aimed at performing precise abundances estimations and morphometric measurements.

Original languageEnglish
Pages (from-to)817-823
Number of pages7
JournalData in Brief
Publication statusPublished - Sep 1 2016


  • Algorithm
  • Comparing data
  • Deoising
  • Filamentous cyanobacteria
  • Natural sample

ASJC Scopus subject areas

  • General
  • Education


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