PSNR 계산 코드 추가

+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "id": "automotive-circus",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from glob import glob\n",
+    "import cv2\n",
+    "from tqdm import tqdm\n",
+    "\n",
+    "gt_list = sorted(glob(\"../bbb_sunflower_1080p/*.png\"))\n",
+    "sr_list = sorted(glob(\"./experiment/test/results-Demo/*.png\"))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "id": "unique-wichita",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "100%|██████████| 1800/1800 [02:55<00:00, 10.24it/s]\n"
+     ]
+    }
+   ],
+   "source": [
+    "with open(\"result.csv\", \"w\") as f:\n",
+    "    f.write(\"idx,psnr\\n\");\n",
+    "    for idx, (gt, sr) in tqdm(enumerate(zip(gt_list, sr_list)), total=len(sr_list)):\n",
+    "        gt_img = cv2.imread(gt)\n",
+    "        sr_img = cv2.imread(sr)\n",
+    "        psnr = cv2.PSNR(gt_img, sr_img)\n",
+    "        f.write(f\"{idx},{psnr}\\n\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "raised-projector",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}