arrayfire-lua/examples/graphics/histogram.lua at master · arrayfire/arrayfire-lua · GitHub

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--[[

/*******************************************************

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

]]

-- Modules --

local AF = require("arrayfire")

AF.main(function()

local myWindow = AF.Window(512, 512, "Histogram example using ArrayFire")

local imgWnd = AF.Window(480, 640, "Input Image")

local img = AF.loadImage(AF.assets() .. "/examples/images/arrow.jpg", false)

local hist_out = AF.histogram(img, 256, 0, 255)

AF.EnvLoopWhile(function()

myWindow:hist(hist_out, 0, 255)

imgWnd:image(img:as("u8"))

end, AF.wait_for_windows_close("while", myWindow, imgWnd))

end)

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