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waifu2x/convert_data.lua
2015-10-29 22:44:15 +09:00

48 lines
1.4 KiB
Lua

local __FILE__ = (function() return string.gsub(debug.getinfo(2, 'S').source, "^@", "") end)()
package.path = path.join(path.dirname(__FILE__), "lib", "?.lua;") .. package.path
require 'pl'
require 'image'
local compression = require 'compression'
local settings = require 'settings'
local image_loader = require 'image_loader'
local iproc = require 'iproc'
local function load_images(list)
local MARGIN = 32
local lines = utils.split(file.read(list), "\n")
local x = {}
for i = 1, #lines do
local line = lines[i]
local im, alpha = image_loader.load_byte(line)
if alpha then
io.stderr:write(string.format("\n%s: skip: image has alpha channel.\n", line))
else
im = iproc.crop_mod4(im)
local scale = 1.0
if settings.random_half then
scale = 2.0
end
if im then
if im:size(2) > (settings.crop_size * scale + MARGIN) and im:size(3) > (settings.crop_size * scale + MARGIN) then
table.insert(x, compression.compress(im))
else
io.stderr:write(string.format("\n%s: skip: image is too small (%d > size).\n", line, settings.crop_size * scale + MARGIN))
end
else
io.stderr:write(string.format("\n%s: skip: load error.\n", line))
end
end
xlua.progress(i, #lines)
if i % 10 == 0 then
collectgarbage()
end
end
return x
end
torch.manualSeed(settings.seed)
print(settings)
local x = load_images(settings.image_list)
torch.save(settings.images, x)