Improve benchmark script

tools/benchmark.lua

@@ -7,6 +7,7 @@ local iproc = require 'iproc'
 local reconstruct = require 'reconstruct'
 local image_loader = require 'image_loader'
 local gm = require 'graphicsmagick'
+local cjson = require 'cjson'
 
 local cmd = torch.CmdLine()
 cmd:text()
@@ -30,6 +31,7 @@ cmd:option("-save_baseline_image", 0, 'save baseline images')
 cmd:option("-output_dir", "./", 'output directroy')
 cmd:option("-show_progress", 1, 'show progressbar')
 cmd:option("-baseline_filter", "Catrom", 'baseline interpolation (Box|Lanczos|Catrom(Bicubic))')
+cmd:option("-save_info", 0, 'save score and parameters to benchmark.txt')
 
 local function to_bool(settings, name)
    if settings[name] == 1 then
@@ -46,6 +48,7 @@ if cudnn then
 end
 to_bool(opt, "gamma_correction")
 to_bool(opt, "save_image")
+to_bool(opt, "save_info")
 to_bool(opt, "save_baseline_image")
 to_bool(opt, "show_progress")
 
@@ -207,6 +210,23 @@ local function benchmark(opt, x, input_func, model1, model2)
 	 io.stdout:flush()
       end
    end
+   if opt.save_info then
+      local fp = io.open(path.join(opt.output_dir, "benchmark.txt"), "w")
+      fp:write("options : " .. cjson.encode(opt) .. "\n")
+      if baseline_psnr > 0 then
+	 fp:write(string.format("baseline: RMSE = %.3f, PSNR = %.3f\n",
+				math.sqrt(baseline_mse / #x), baseline_psnr / #x))
+      end
+      if model1_psnr > 0 then
+	 fp:write(string.format("model1  : RMSE = %.3f, PSNR = %.3f\n",
+				math.sqrt(model1_mse / #x), model1_psnr / #x))
+      end
+      if model2_psnr > 0 then
+	 fp:write(string.format("model2  : RMSE = %.3f, PSNR = %.3f\n",
+				math.sqrt(model2_mse / #x), model2_psnr / #x))
+      end
+      fp:close()
+   end
    io.stdout:write("\n")
 end
 local function load_data(test_dir)
@@ -216,8 +236,11 @@ local function load_data(test_dir)
       local name = path.basename(files[i])
       local e = path.extension(name)
       local base = name:sub(0, name:len() - e:len())
-      table.insert(test_x, {image = iproc.crop_mod4(image_loader.load_float(files[i])),
-			    basename = base})
+      local img = image_loader.load_float(files[i])
+      if img then
+	 table.insert(test_x, {image = iproc.crop_mod4(img),
+			       basename = base})
+      end
       if opt.show_progress then
 	 xlua.progress(i, #files)
       end