BMP2DTA: Stata module to convert bitmap files to Stata datasets

Austin Nichols ()

Statistical Software Components from Boston College Department of Economics

Abstract: Since the advent of satellite imagery, researchers have turned images into data and processed it. This program makes the first step easier in Stata, by turning a Windows 24-bit bitmap file into a Stata dataset with variables i and j (row and column of each pixel), r (red), g (green), and b (blue) on a scale of 0 to 255. Examples of uses for satellite images include projecting fishing productivity (Kemmerer et al. 1976), estimating economic growth (Henderson, Storeygard, and Weil 2012), and predicting poverty rates (Jean et al. 2016). Techniques for processing, filtering, or otherwise manipulating image data can also be used on any photograph.

Language: Stata
Requires: Stata version 11
Keywords: bitmaps; RGB; data processing; filtering (search for similar items in EconPapers)
Date: 2017-07-23
Note: This module should be installed from within Stata by typing "ssc install bmp2dta". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/b/bmp2dta.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/b/bmp2dta.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/b/bmdc276.bmp sample data file
http://fmwww.bc.edu/repec/bocode/b/bmputin.bmp sample data file
http://fmwww.bc.edu/repec/bocode/b/bm500.bmp sample data file

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