ajout images crop

Catégorie Portrait/chemin2/.ipynb_checkpoints/Extraction-contour-v2-checkpoint.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 28,
    "metadata": {
     "collapsed": true
    },
@@ -14,14 +14,14 @@
     "\n",
     "from skimage import feature\n",
     "from scipy import misc\n",
-    "fimg = misc.imread(\"contourV1.png\")\n",
+    "fimg = misc.imread(\"contourV1-cropped.png\")\n",
     "\n",
     "from skimage import measure"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 29,
    "metadata": {
     "collapsed": false
    },
@@ -35,7 +35,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 30,
    "metadata": {
     "collapsed": false
    },
@@ -63,7 +63,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 26,
+   "execution_count": 31,
    "metadata": {
     "collapsed": false
    },
@@ -74,7 +74,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 32,
    "metadata": {
     "collapsed": false
    },

Catégorie Portrait/chemin2/.ipynb_checkpoints/Extraction-contour1-checkpoint.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 26,
    "metadata": {
     "collapsed": true
    },
@@ -13,18 +13,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 27,
    "metadata": {
     "collapsed": true
    },
    "outputs": [],
    "source": [
-    "fimg = misc.imread(\"contourV1.png\")"
+    "fimg = misc.imread(\"contourV1-cropped.png\")"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 28,
    "metadata": {
     "collapsed": true
    },
@@ -35,7 +35,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 29,
    "metadata": {
     "collapsed": true
    },
@@ -46,7 +46,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 30,
    "metadata": {
     "collapsed": true
    },
@@ -58,7 +58,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 31,
    "metadata": {
     "collapsed": true
    },
@@ -72,7 +72,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 32,
    "metadata": {
     "collapsed": false
    },
@@ -80,10 +80,10 @@
     {
      "data": {
       "text/plain": [
-       "[<matplotlib.lines.Line2D at 0x7f3b9eaa60d0>]"
+       "[<matplotlib.lines.Line2D at 0x7f3bb2307910>]"
       ]
      },
-     "execution_count": 24,
+     "execution_count": 32,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -103,7 +103,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 25,
+   "execution_count": 33,
    "metadata": {
     "collapsed": false
    },

Catégorie Portrait/chemin2/.ipynb_checkpoints/Untitled-checkpoint.ipynb

@@ -1,6 +0,0 @@
-{
- "cells": [],
- "metadata": {},
- "nbformat": 4,
- "nbformat_minor": 0
-}

Catégorie Portrait/chemin2/Extraction-contour-v2.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 28,
    "metadata": {
     "collapsed": true
    },
@@ -14,14 +14,14 @@
     "\n",
     "from skimage import feature\n",
     "from scipy import misc\n",
-    "fimg = misc.imread(\"contourV1.png\")\n",
+    "fimg = misc.imread(\"contourV1-cropped.png\")\n",
     "\n",
     "from skimage import measure"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 29,
    "metadata": {
     "collapsed": false
    },
@@ -35,7 +35,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 30,
    "metadata": {
     "collapsed": false
    },
@@ -63,18 +63,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 31,
    "metadata": {
     "collapsed": false
    },
    "outputs": [],
    "source": [
-    "contours = measure.find_contours(gimg, 0.8)"
+    "contours = measure.find_contours(gimg, 0.9)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 32,
    "metadata": {
     "collapsed": false
    },

Catégorie Portrait/chemin2/Extraction-contour1.ipynb

@@ -0,0 +1,146 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from scipy import misc"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "fimg = misc.imread(\"contourV1-cropped.png\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from skimage import color"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "gimg = color.colorconv.rgb2grey(fimg)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "from skimage import measure\n",
+    "contours = measure.find_contours(gimg, 0.8)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "import matplotlib.pyplot as plt\n",
+    " \n",
+    "for n, contour in enumerate(contours):\n",
+    "    plt.plot(contour[:, 1], contour[:, 0], linewidth=2)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[<matplotlib.lines.Line2D at 0x7f3bb2307910>]"
+      ]
+     },
+     "execution_count": 32,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "from skimage.draw import ellipse\n",
+    "from skimage.measure import find_contours, approximate_polygon, subdivide_polygon\n",
+    "  \n",
+    "contour = contours[0]\n",
+    "new_s = contour.copy()\n",
+    "appr_s = approximate_polygon(new_s, tolerance=0.8)\n",
+    "  \n",
+    "fig, (ax1, ax2) = plt.subplots(ncols=2, figsize=(9, 4))\n",
+    "ax2.plot(contour[:, 0], contour[:, 1])\n",
+    "ax1.plot(appr_s[:, 0], appr_s[:, 1])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "plt.show()\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.10"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}