Performance evaluation of systems for automated monitoring of udder health: analytical issues and guidelines

R. Sherlock; H. Hogeveen; G. Mein; M. Rasmussen

Performance evaluation of systems for automated monitoring of udder health: analytical issues and guidelines

In: Mastitis control

Authors:

R. Sherlock

R. Sherlock ¹SmartWork Systems Ltd, Christchurch, New Zealand

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H. Hogeveen

H. Hogeveen ²Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands

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G. Mein

G. Mein ³Sensortec Ltd, Hamilton, New Zealand

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, and

M. Rasmussen

M. Rasmussen ⁴Dept. of Agricultural Engineering, University of Aarhus, Horsens, Denmark Corresponding author: ras@smartwork.co.nz

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Type:: Chapter

Pages:: 275–282

DOI:: https://doi.org/10.3920/9789086866496_050

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Previous efforts to quantify the performance of systems for automated detection of udderhealth anomalies have not always been consistent. Our goal is to propose a set of definitions and procedures using time-windows to facilitate standard methods of performance measurement and comparison. In particular, we discuss or present:

• The concept of finite-duration time-windows (or Episodes), indicative of clinical mastitis, in both observational (gold) and automatically-generated (auto) data. These provide the basis of a matching procedure to make correct associations between occurrences identified automatically by the monitoring system (autoEpisodes) and those confirmed independently (goldEpisodes).

• Definitions of performance measures Sensitivity, Success Rate and False Alert Rate, in terms of the four outputs of a matching algorithm which identifies overlaps in sequences of autoEpisodes and goldEpisodes.

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Mastitis control

From science to practice

E-Book ISBN:: 9789086866496

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2008

Subjects
- Life Sciences

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Performance evaluation of systems for automated monitoring of udder health: analytical issues and guidelines

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Mastitis control

From science to practice

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