Computer-assisted image analysis in biological sciences

Häder, Donat‐P.

doi:10.1007/bf03053794

Cited by 12 publications

(1 citation statement)

References 122 publications

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“…37, No. 3, September 2022 194 tional methods, offers the advantage of being less time consuming and allows for objective assessment of motility by providing quantitative measurements and the details of sperm movement trajectory (Häder, 1988;Fischer et al, 2014;Jepson et al, 2019;Velverde et al, 2019).…”

mentioning

confidence: 99%

Identification of sperm motility subpopulations in Gyr falcon (Falco rusticolus) ejaculate: a tool for investigating between subject variation

Seyedasgari¹,

Asadi²,

Sebastyen

et al. 2022

J Anim Reprod Biotechnol

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Artificial insemination technique (AI) forms the core of all falcon breeding programs which are intended to alleviate the pressure on wild populations since the adult birds of this species hardly copulate under captive situation (Bailey and Lierz, 2017). The outcome of falcon AI plans largely depends on semen characteristics in terms of quality and quantity (Parks and Hardaswick, 1987) which are often measured by routine laboratory techniques. Accurate assessment of avian semen achieved by Computer Assisted Sperm Analysis (CASA) as compared to conven-

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mentioning

confidence: 99%

Identification of sperm motility subpopulations in Gyr falcon (Falco rusticolus) ejaculate: a tool for investigating between subject variation

Seyedasgari¹,

Asadi²,

Sebastyen

et al. 2022

J Anim Reprod Biotechnol

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Image analysis techniques for automatic evaluation of two‐dimensional electrophoresis

Häder

Kauer

1990

Electrophoresis

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Techniques for automatic analysis of two-dimensional electrophoresis gels by computer-aided image analysis are described. Original gels or photographic films are scanned using a laser scanner and the files are transferred to a microcomputer. The program package first performs a compression and preevaluation of the files. Spot identification and quantification is performed by the chain code algorithm after appropriate zooming and cutting. Labeling facilitates spot identification and quantification in numerical and graphical (pseudocolor) representation on peripheral devices for camera ready output. Interpolation between measured basepoints is performed by cubic spline algorithms which are automatically switched on and off, depending on the need by the program. High speed analysis and graphic representation is achieved using fast Assembler language routines rather than high level languages. One-dimensional gels can be analyzed using the same software. Spot matching between parallel two-dimensional gels has not yet been implemented.

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Light Penetration and Effects on Aquatic Ecosystems

Häder

1996

Light as an Energy Source and Information Carrier in Plant Physiology

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Computer-assisted image analysis in biological sciences

Cited by 12 publications

References 122 publications

Identification of sperm motility subpopulations in Gyr falcon (Falco rusticolus) ejaculate: a tool for investigating between subject variation

Identification of sperm motility subpopulations in Gyr falcon (Falco rusticolus) ejaculate: a tool for investigating between subject variation

Image analysis techniques for automatic evaluation of two‐dimensional electrophoresis

Light Penetration and Effects on Aquatic Ecosystems

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