نتایج جستجو برای: crop detection
تعداد نتایج: 632097 فیلتر نتایج به سال:
This paper proposes a new method, oriented to image real-time processing, for identifying crop rows in maize fields in the images. The vision system is designed to be installed onboard a mobile agricultural vehicle, that is, submitted to gyros, vibrations, and undesired movements. The images are captured under image perspective, being affected by the above undesired effects. The image processin...
The identification of herbicide residues on crop foliage is necessary to make crop-management decisions for weed pest control and to monitor pesticide residue levels on food crops. Electronic-nose (e-nose) methods were tested as a cheaper, alternative means of discriminating between herbicide residue types (compared with conventional chromatography methods), by detection of headspace volatiles ...
Automation of agricultural harvesting equipment in the near term appears both economically viable and technically feasible. This paper describes a vision-based algorithm which guides a harvester by tracking the line between cut and uncut crop. Using this algorithm, a harvester has successfully cut roughly one acre of crop to date, at speeds of up to 4.5 miles an hour, in an actual alfalfa field...
Quad-pol measurements at L-band acquired during the AGRISAR’06 campaign have been used in order to compute time series of entropy, alpha angle and anisotropy from an agricultural area with a simultaneous dedicated ground-data acquisition. The study has been focused on winter wheat, maize and rape crops, and the biophysical parameters considered were crop coverage, BBCH phase, Leaf Area Index (L...
Agriculture forms a crucial part of the economy India. More than 50 percent India’s population is reliant on agriculture for their income. India export many crops like wheat and other cereals. It can thus be seen that big Indian agricultural system Therefore, it very important to maintain steady production Planning plays major role in agro-based country development food security. In planning, s...
As we all know that the Agriculture plays an important role in Indian economy and majority of individuals depends upon it offers huge amount crops through worldwide. The Illnesses these are generally on leaf’s influences decrease both quality number horticultural items. We should disease crop correctly to solve problem. There will be a loss if do not find treat properly. view natural eye isn’t ...
Viruses cause significant yield and quality losses in a wide variety of cultivated crops. Hence, the detection and identification of viruses is a crucial facet of successful crop production and of great significance in terms of world food security. Whilst the adoption of molecular techniques such as RT-PCR has increased the speed and accuracy of viral diagnostics, such techniques only allow the...
Estimations of crop area were made based on the temporal profiles of the Enhanced Vegetation Index (EVI) obtained from moderate resolution imaging spectroradiometer (MODIS) images. Evaluation of the ability of the MODIS crop detection algorithm (MCDA) to estimate soybean crop areas was performed for fields in the Mato Grosso state, Brazil. Using the MCDA approach, soybean crop area estimations ...
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