Search Results - "SØGAARD, H.T"

Observer Kalman filter identification and multiple-model adaptive estimation technique for classifying animal behaviour using wireless sensor networks by Nadimi, E.S., Søgaard, H.T.

“…The identification of a mathematical model capable of describing the behaviour of animals given input such as feed has great potential for behavioural control…”
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ZigBee-based wireless sensor networks for monitoring animal presence and pasture time in a strip of new grass by Nadimi, E.S., Søgaard, H.T., Bak, T., Oudshoorn, F.W.

“…The problem of online monitoring of cows’ presence and pasture time in an extended area covered by a strip of new grass using wireless sensor networks has been…”
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The development and assessment of the accuracy of an autonomous GPS-based system for intra-row mechanical weed control in row crops by Nørremark, M., Griepentrog, H.W., Nielsen, J., Søgaard, H.T.

“…Highly selective mechanical weed control within crop rows as an alternative to herbicide treatment requires the accurate guidance of tools around individual…”
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ZigBee-based wireless sensor networks for classifying the behaviour of a herd of animals using classification trees by Nadimi, E.S., Søgaard, H.T., Bak, T.

“…An in-depth study of wireless sensor networks applied to the monitoring of animal behaviour in the field is described. Herd motion data, such as the pitch…”
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Application Accuracy of a Machine Vision-controlled Robotic Micro-dosing System by Søgaard, H.T., Lund, I.

“…Experiments with a new concept for the precise application of herbicides in a seed line have been conducted. The concept combines plant recognition,…”
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Ammonia volatilization from field-applied animal slurry—the ALFAM model by Søgaard, H.T, Sommer, S.G, Hutchings, N.J, Huijsmans, J.F.M, Bussink, D.W, Nicholson, F

“…A statistical analysis of European ammonia (NH 3) volatilization data (from Denmark, Italy, the Netherlands, Norway, Sweden, Switzerland and UK) collated in a…”
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Injection methods to reduce ammonia emission from volatile liquid fertilisers applied to growing crops by Nyord, T., Søgaard, H.T., Hansen, M.N., Jensen, L.S.

“…Advanced techniques for separation of animal slurry are now available and used for optimising the use of nutrients present in manure, resulting in the…”
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Site-specific weed control technologies by CHRISTENSEN, S, SØGAARD, H.T, KUDSK, P, NØRREMARK, M, LUND, I, NADIMI, E.S, JØRGENSEN, R

“…Site-specific weed control technologies are defined as machinery or equipment embedded with technologies that detect weeds growing in a crop and, taking into…”
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Weed Classification by Active Shape Models by Søgaard, H.T.

“…The objective is to present a new method for classification of weed species by image processing based on active shape models. Young weed seedlings with up to…”
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Instrumentation and method for high accuracy geo-referencing of sugar beet plants by Nørremark, M., Søgaard, H.T., Griepentrog, H.W., Nielsen, H.

“…Efficient use of automatic field operations will allow care and management of crops in very different systems from what is known today and may lead to the…”
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Determination of crop rows by image analysis without segmentation by Søgaard, H.T., Olsen, H.J.

“…A method based on computer vision for detection and localisation of crop rows, especially of small-grain crops, is described. The method is intended for use in…”
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Infiltration of Slurry and Ammonia Volatilisation by Sommer, S.G., Hansen, M.N., Søgaard, H.T.

“…Volatilisation of ammonia (NH 3) from slurry applied in the field reduces the fertiliser value of the slurry and is liable to cause a considerable uncertainty…”
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A simple model for assessing ammonia emission from ammoniacal fertilisers as affected by pH and injection into soil by Nyord, T., Schelde, K.M., Søgaard, H.T., Jensen, L.S., Sommer, S.G.

“…Ammonia (NH 3) volatilisation following the application of ammoniacal fertilisers and liquid manure to agricultural land is a significant source of atmospheric…”
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Ammonia volatilization from sows on grassland by Sommer, S.G., Søgaard, H.T., Møller, H.B., Morsing, S.

“…According to regulations, sows with piglets on organic farms must graze on pastures. Volatilization of ammonia (NH 3) from urine patches may represent a…”
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Weeds classification by active shape models by Sogaard, H.T

“…The objective is to present a new method for classification of weed species by image processing based on active shape models. Young weed seedlings with up to…”
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A Model for Optimal Selection of Machinery Sizes within the Farm Machinery System by Sogaard, H.T, Sorensen, C.G

“…A systems model has been developed to support the process of choosing the optimal level of farm mechanisation in terms of technical capability. The…”
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Automatic Control of a Finger Weeder with Respect to the Harrowing Intensity at Varying Soil Structures by Søgaard, H.T.

“…When finger weeders are used for weed control the treatment effect will vary, depending on the state of the soil. In 1995, a pilot project was carried out to…”
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Evaluation of the Accuracy of a Laser Optic Position Determination System by Søgaard, H.T.

“…The positioning accuracy of a laser optic position determination system (PDS) was investigated by mounting it on an agricultural tractor and a sowing machine…”
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