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United States Department of Agriculture

Agricultural Research Service

DepositScan
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DepositScan is a scanning program that can quickly evaluate spray deposit distribution on water sensitive paper or Kromekote® cards. The program consists of a set of custom plugins that are used by an image-processing program to produce a number of measurements useful for expressing spray deposit distribution. The DepositScan program offers a convenient solution for on-the-spot evaluation of spray quality even under field working conditions.

How it Works

The program may be installed on a laptop computer and it works with a handheld scanner to scan spray deposits on target cards.The program will also work with desktop computers and regular office scanners. When the DepositScan program is started, it opens an image-processing program, and prompts the user to scan the sample. The program then reports the individual droplet sizes, their distributions, the total number of droplets, and the percentage of area covered.  The analysis of a spray deposition sample takes less than 30 seconds to complete

To obtain the software go to:
Software download

Journal Article:
A portable scanning system for evaluation of spray deposit distribution
Computers and Electronics in Agriculture 76 (2011) 38–43

ARS Contact:
Heping Zhu


Last Modified: 6/1/2011
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