add slide and appendix

.gitignore

@@ -1,2 +1,3 @@
 *~
 cache/*.png
+waifu2x.log

appendix/cache_cleaner.lua

@@ -0,0 +1,12 @@
+require 'pl'
+
+CACHE_DIR="cache"
+TTL = 3600 * 24
+
+local files = dir.getfiles(CACHE_DIR, "*.png")
+local now = os.time()
+for i, f in pairs(files) do
+   if now - path.getmtime(f) > TTL then
+      file.delete(f)
+   end
+end

appendix/run-web.sh

@@ -0,0 +1,4 @@
+#!/bin/zsh
+# waifu2x daemon script
+source /home/ubuntu/.zshrc
+stdbuf -o 0 th web.lua  >> ./waifu2x.log 2>&1

appendix/waifu2x.upstart.conf

@@ -0,0 +1,11 @@
+# waifu2x upstart script 
+
+description "waifu2x"
+author  "[email protected]"
+start on runlevel [2345]
+stop on runlevel [016]
+setuid ubuntu
+setgid ubuntu
+chdir /home/ubuntu/waifu2x
+exec ./appendix/run-web.sh
+respawn

images/gen.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+th waifu2x.lua -noise_level 1 -m noise_scale -i images/miku_small.png -o images/miku_small_waifu2x.png
+th waifu2x.lua -noise_level 2 -m noise_scale -i images/miku_small_noisy.png -o images/miku_small_noisy_waifu2x.png
+th waifu2x.lua -noise_level 2 -m noise -i images/miku_noisy.png -o images/miku_noisy_waifu2x.png
+th waifu2x.lua -noise_level 2 -m noise_scale -i images/miku_CC_BY-NC_noisy.jpg -o images/miku_CC_BY-NC_noisy_waifu2x.png
+th waifu2x.lua -noise_level 2 -m noise -i images/lena.png -o images/lena_waifu2x.png