Optionalize downsampling filters
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0991a98ea4
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d4833160c7
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@ -82,23 +82,7 @@ local function active_cropping(x, y, size, p, tries)
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end
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end
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function pairwise_transform.scale(src, scale, size, offset, n, options)
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local filters;
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if options.style == "photo" then
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filters = {
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"Box", "lanczos", "Catrom"
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}
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else
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filters = {
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"Box","Box", -- 0.012756949974688
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"Blackman", -- 0.013191924552285
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--"Catrom", -- 0.013753536746706
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--"Hanning", -- 0.013761314529647
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--"Hermite", -- 0.013850225205266
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"Sinc", -- 0.014095824314306
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"Lanczos", -- 0.014244299255442
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}
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end
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local filters = options.downsampling_filters
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local unstable_region_offset = 8
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local downscale_filter = filters[torch.random(1, #filters)]
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local y = preprocess(src, size, options)
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@ -48,6 +48,7 @@ cmd:option("-active_cropping_tries", 10, 'active cropping tries')
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cmd:option("-nr_rate", 0.75, 'trade-off between reducing noise and erasing details (0.0-1.0)')
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cmd:option("-save_history", 0, 'save all model (0|1)')
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cmd:option("-plot", 0, 'plot loss chart(0|1)')
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cmd:option("-downsampling_filters", "Box,Lanczos,Catrom", '(comma separated)downsampling filters for 2x scale training. (Point,Box,Triangle,Hermite,Hanning,Hamming,Blackman,Gaussian,Quadratic,Cubic,Catrom,Mitchell,Lanczos,Bessel,Sinc)')
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local opt = cmd:parse(arg)
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for k, v in pairs(opt) do
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@ -95,10 +96,14 @@ if not (settings.style == "art" or
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settings.style == "photo") then
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error(string.format("unknown style: %s", settings.style))
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end
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if settings.thread > 0 then
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torch.setnumthreads(tonumber(settings.thread))
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end
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if settings.downsampling_filters and settings.downsampling_filters:len() > 0 then
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settings.downsampling_filters = settings.downsampling_filters:split(",")
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else
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settings.downsampling_filters = {"Box", "Lanczos", "Catrom"}
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end
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settings.images = string.format("%s/images.t7", settings.data_dir)
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settings.image_list = string.format("%s/image_list.txt", settings.data_dir)
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@ -112,6 +112,7 @@ local function transformer(x, is_validation, n, offset)
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settings.crop_size, offset,
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n,
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{
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downsampling_filters = settings.downsampling_filters,
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random_half_rate = settings.random_half_rate,
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random_color_noise_rate = random_color_noise_rate,
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random_overlay_rate = random_overlay_rate,
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