![\"\"](\"https:\/\/i0.wp.com\/radiology-technologist.info\/wp-content\/uploads\/2022\/12\/1.jpeg?resize=507%2C239\")
<\/figure>\n\n\n\n\u30ef\u30fc\u30af\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3048\u3070\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u696d\u52d9\u7d42\u4e86\u5f8c\u306b\u8077\u5834\u306b\u6b8b\u3063\u3066\u3053\u306e\u4f5c\u696d\u3001\u3084\u308a\u305f\u304f\u306a\u3044\u3067\u3059\u3088\u306d\u3002\u81ea\u5206\u306a\u3089\u3001\u5bb6\u3067\u9152\u3067\u3082\u98f2\u307f\u306a\u304c\u3089\u97f3\u697d\u3092\u304b\u3051\u3066\u4f5c\u696d\u3002\u3092\u671b\u307f\u307e\u3059\u3002<\/p>\n\n\n\n
\u306a\u306e\u3067\u3001\u4eca\u56de\u306f\u3001\u3053\u306e\u753b\u50cf\u3092\u4f5c\u6210\u3059\u308b\u30b3\u30fc\u30c9\u3092\u7d44\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30b3\u30fc\u30c9<\/h2>\n\n\n\n
\u6700\u7d42\u7684\u306a\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\nimport numpy as np\r\nimport cv2\r\nimport pydicom\r\nimport matplotlib.pyplot as plt\r\nfrom matplotlib.patches import Circle\r\n\r\ndef on_motion(event):\r\n global contour, fig, ax1\r\n\r\n if event.button == 1 :\r\n contour.append([int(event.xdata), int(event.ydata)])\r\n ax1.add_patch(Circle((event.xdata, event.ydata), 0.1, color='r'))\r\n fig.canvas.draw()\r\n\r\n\r\ndef on_button_release(event):\r\n global contour, mask, ax2\r\n\r\n cv2.fillConvexPoly(mask, np.array(contour), color=255, lineType=cv2.LINE_AA)\r\n\r\n ax2.imshow(mask, cmap='bone')\r\n fig.canvas.draw()\r\n\r\n\r\ndef main():\r\n global contour, fig, ax1, ax2, mask\r\n\r\n dcm = pydicom.dcmread('009_IMG11')\r\n img = dcm.pixel_array\r\n\r\n mask = np.zeros_like(img, dtype=np.uint8)\r\r\n\r\n ww, wl = dcm[0x0028, 0x1051].value, dcm[0x0028, 0x1050].value\r\n ww_l, ww_h = wl - ww \/\/ 2, wl + ww \/\/ 2\r\n\r\n contour= []\r\n\r\n fig = plt.figure(figsize=(10, 5))\r\n ax1,ax2 = fig.add_subplot(1, 2, 1), fig.add_subplot(1, 2, 2)\r\n\r\n ax1.imshow(img, cmap='bone', vmin=ww_l, vmax=ww_h)\r\n\r\n fig.canvas.mpl_connect('button_release_event', on_button_release)\r\n fig.canvas.mpl_connect('motion_notify_event', on_motion)\r\n\r\n plt.show()\r\n\r\nif __name__ == \"__main__\":\r\n main()<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n
\u6d41\u308c\u306e\u8aac\u660e<\/h2>\n\n\n\n
\u30b3\u30fc\u30c9\u306e\u6d41\u308c\u3068\u3057\u3066\u306f<\/p>\n\n\n\n
\n- DICOM\u753b\u50cf\u306e\u8868\u793a\n
\n- \u30de\u30b9\u30af\u753b\u50cf\u306e\u4f5c\u6210\uff08DICOM\u753b\u50cf\u3068\u540c\u4e00\u306e\u753b\u50cf\u30b5\u30a4\u30ba\u3067\u7b26\u53f7\u306a\u3057\u306e\uff18bit\u753b\u50cf\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- DICOM\u753b\u50cf\u3067\u9818\u57df\u6307\u5b9a\uff08\u53f3\u30af\u30ea\u30c3\u30af\u3092\u62bc\u3057\u305f\u307e\u307e\u30de\u30a6\u30b9\u79fb\u52d5\uff09\n
\n- \u30de\u30a6\u30b9\u3092\u79fb\u52d5\u3055\u305b\u308b\u3053\u3068\u3067\u305d\u306e\u5ea7\u6a19\u3092\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3057\u3066\u3044\u304f<\/li>\n\n\n\n
- \u30de\u30a6\u30b9\u3092\u96e2\u3059\u3053\u3068\u3067\u9818\u57df\u62bd\u51fa\u5b8c\u4e86<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- \u30de\u30b9\u30af\u753b\u50cf\u306b\u9818\u57df\u3092\u63cf\u51fa<\/li>\n<\/ul>\n\n\n\n
\u3068\u3044\u3063\u305f\u6d41\u308c\u306b\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e0a\u8a18\u30b3\u30fc\u30c9\u3067<\/p>\n\n\n\n
DICOM\u753b\u50cf\u306e\u8868\u793a\u306fmain\u95a2\u6570\u5185<\/p>\n\n\n\n
DICOM\u753b\u50cf\u3067\u9818\u57df\u62bd\u51fa\u306f\u300con_motion\u300d\u95a2\u6570<\/p>\n\n\n\n
\u30de\u30b9\u30af\u753b\u50cf\u306b\u9818\u57df\u3092\u63cf\u51fa\u306f\u300con_button_release\u300d\u95a2\u6570<\/p>\n\n\n\n
\u3067\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u9818\u57df\u62bd\u51fa<\/h2>\n\n\n\n
\u9818\u57df\u62bd\u51fa\u306f\u3001DICOM\u753b\u50cf\u4e0a\u3067\u62bd\u51fa\u3059\u308b\u9818\u57df\u3092\u306a\u305e\u3063\u3066\u3044\u304f\u3053\u3068\u3067\u305d\u306e\u5ea7\u6a19\u3092\u3001\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u306f\u3001numpy\u306e\u914d\u5217\u3068\u3057\u3066\u3067\u306f\u306a\u304f\u3001\u30ea\u30b9\u30c8\u3068\u3057\u3066\u6271\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
numpy\u914d\u5217\u3068\u3057\u3066\u3001\uff12\u6b21\u5143\u30c7\u30fc\u30bf\u306b\uff12\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u3072\u3068\u3064\u3065\u3064\u8ffd\u52a0\u3057\u3066\u3044\u3053\u3046\u3068\u3059\u308b\u3068\u3061\u3087\u3063\u3068\u5384\u4ecb\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u306e\u3067\u3002\u3002\u3002\u3002\u3002\uff08\u8a73\u7d30\u306f\u3044\u3064\u304b\u8a18\u4e8b\u306b\u3057\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u307e\u3059\uff09<\/p>\n\n\n\n
\u30ea\u30b9\u30c8\u3068\u3057\u3066\u6271\u3063\u3066\u3044\u3051\u3070\u3001\u7d14\u7c8b\u306bappend\u3067\u8ffd\u52a0\u3057\u3066\u3044\u3051\u307e\u3059\u3002<\/p>\n\n\n\n
\u8ffd\u52a0\u3059\u308b\u969b\u306b\u3001\u6574\u6570\u578b\u3068\u3057\u3066\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
contour.append([int(event.xdata), int(event.ydata)])<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u307e\u305f\u3001\u306a\u305e\u3063\u305f\u4f4d\u7f6e\u3092DICOM\u753b\u50cf\u4e0a\u306b\u8868\u793a\u3057\u3066\u304a\u304d\u305f\u3044\u306e\u3067<\/p>\n\n\n\n
ax1.add_patch(Circle((event.xdata, event.ydata), 0.1, color=’r’))<\/p>\n\n\n\n
\u3067\u753b\u50cf\u4e0a\u306b\u30d7\u30ed\u30c3\u30c8\u3057\u3066<\/p>\n\n\n\n
fig.canvas.draw()<\/p>\n\n\n\n
\u3067\u753b\u50cf\u3092\u518d\u63cf\u51fa\u3057\u3066\u3044\u307e\u3059\u3002
<\/p>\n\n\n\n
\u30de\u30b9\u30af\u753b\u50cf\u306b\u9818\u57df\u3092\u63cf\u51fa\u3000cv2.fillConvexPoly<\/h2>\n\n\n\n
\u306a\u305e\u3063\u305f\u5ea7\u6a19\u306e\u30ea\u30b9\u30c8\u3092\u5225\u306e\u753b\u50cf\u4e0a\u306b\u63cf\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e0a\u8a18\u30b3\u30fc\u30c9\u306e\uff13\uff12\u884c\u76ee<\/p>\n\n\n\n
mask = np.zeros_like(img, dtype=np.uint8)<\/p>\n\n\n\n
\u3067\u30de\u30b9\u30af\u753b\u50cf\u7528\u306e\u914d\u5217\u3092\u30c7\u30fc\u30bf\uff10\u3067\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u914d\u5217\u306e\u578b\u306f\u3001\u30de\u30a4\u30ca\u30b9\u30c7\u30fc\u30bf\u306a\u3057\u306e8bit\u753b\u50cf\u3067\u3059\u3002\u306a\u306e\u3067\u968e\u8abf\u306f\uff10\uff5e\uff12\uff15\uff15\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u5148\u307b\u3069\u306a\u305e\u3063\u3066\u767b\u9332\u3057\u305f\u30ea\u30b9\u30c8\u3092mask\u4e0a\u306b\u63cf\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u6a5f\u80fd\u306f\u3001openCV\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
cv2.fillConvexPoly(mask, np.array(contour), color=255, lineType=cv2.LINE_AA)<\/p>\n\n\n\n
\u3053\u306e\u95a2\u6570\u306f\u77e9\u5f62\u3092\u63cf\u51fa\u3057\u3001\u305d\u306e\u4e2d\u3092\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u5148\u307b\u3069\u306e\u5ea7\u6a19\u30c7\u30fc\u30bf\u3092\u4f7f\u3046\u306e\u3067\u3059\u304c\u3001\u53d7\u3051\u308b\u30c7\u30fc\u30bf\u306fnumpy\u914d\u5217\u3067\u6574\u6570\u578b\u3057\u304b\u53d7\u3051\u3066\u304f\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u306a\u306e\u3067\u3001\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3059\u308b\u969b\u306bint\u578b\u3092\u6307\u5b9a\u3057\u3066\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u305d\u306e\u30ea\u30b9\u30c8\u3092numpy\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u306e\u306f<\/p>\n\n\n\n
np.array(contour)<\/p>\n\n\n\n
\u3068\u3057\u3066\u3042\u3052\u308b\u3060\u3051\u3067numpy\u914d\u5217\u3068\u3057\u3066\u6271\u3063\u3066\u304f\u308c\u307e\u3059\u3002\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n
\u3067\u3001\uff13\u756a\u76ee\u306e\u5f15\u6570\u3067\uff12\uff15\uff15\u306e\u5024\u3092\u6307\u5b9a\u3057\u3066\u3042\u3052\u307e\u3059\u3002\u3082\u3057\u3001\uff32\uff27\uff22\u3067\u6307\u5b9a\u3059\u308b\u306e\u3067\u3042\u308c\u3070\uff080\uff0c0\uff0c0\uff09\u7b49\u3067\u6307\u5b9a\u3057\u3066\u3042\u3052\u308c\u3070\u5927\u4e08\u592b\u3067\u3059\u3002\u305f\u3060\u3001\u305d\u306e\u969b\u306b\u306fmask\u914d\u5217\u4f5c\u6210\u6642\u306b\uff32\uff27\uff22\u3068\u3057\u3066\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
\u3053\u308c\u3067\u3001\u5148\u307b\u3069\u306a\u305e\u3063\u305f\u5ea7\u6a19\u5185\u3092\uff12\uff15\uff15\u306e\u5024\u3068\u3057\u3066\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u5f8c\u306f\u3001\u753b\u50cf\u8868\u793a\u3057\u3066\u78ba\u8a8d\u3067\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u3055\u3044\u3054\u306b<\/h2>\n\n\n\n
\u3044\u304b\u304c\u3067\u3059\u304b\uff1f\u3053\u306e\u30b3\u30fc\u30c9\u3060\u3051\u3067\u306f\u4f55\u679a\u3082\u306e\u6559\u5e2b\u753b\u50cf\u3092\u4f5c\u6210\u3059\u308b\u306e\u306f\u5927\u5909\u3067\u3059\u304c\u3001\u6839\u5e79\u3068\u306a\u308b\u30b3\u30fc\u30c9\u306f\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u3053\u306e\u30b3\u30fc\u30c9\u304c\u3069\u306a\u305f\u304b\u306e\u5f79\u306b\u7acb\u3066\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
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<\/p>\n","protected":false},"excerpt":{"rendered":"
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