diff --git a/research/perspective_transformation.ipynb b/research/perspective_transformation.ipynb
new file mode 100644
index 000000000..0d5c82be1
--- /dev/null
+++ b/research/perspective_transformation.ipynb
@@ -0,0 +1,125 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[1 3 4]\n",
+      " [6 9 8]\n",
+      " [6 7 9]]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Simple things first:\n",
+    "import numpy as np\n",
+    "\n",
+    "mat = np.array([\n",
+    "    [1, 3, 4],\n",
+    "    [6, 9, 8],\n",
+    "    [6, 7, 9]])\n",
+    "\n",
+    "print(mat)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "[U, D, V] = np.linalg.svd(mat)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[-0.25545925 -0.60219924  0.75637071]\n",
+      " [-0.69818735  0.65607252  0.28653669]\n",
+      " [-0.66878622 -0.45489001 -0.58804768]]\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(U)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[19.19848638  1.66555095  1.28220936]\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(D)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[-0.44051914  0.36318063 -0.82100105]\n",
+      " [-0.61106731  0.54866225  0.57058434]\n",
+      " [-0.65767746 -0.75304022  0.01976841]]\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(np.transpose(V))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "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": "3.6.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}