|
|
@@ -0,0 +1,93 @@
|
|
|
+{
|
|
|
+ "cells": [
|
|
|
+ {
|
|
|
+ "cell_type": "markdown",
|
|
|
+ "id": "5cc5d4bb-cee6-440c-9ab5-d515d264ae59",
|
|
|
+ "metadata": {},
|
|
|
+ "source": [
|
|
|
+ "## 1.关于图像特征\n",
|
|
|
+ ">1.统计特征\n",
|
|
|
+ ">2.数学特征（奇异值分解）\n",
|
|
|
+ ">3.卷积特征"
|
|
|
+ ]
|
|
|
+ },
|
|
|
+ {
|
|
|
+ "cell_type": "markdown",
|
|
|
+ "id": "7e2ab7e5-9636-4c42-9169-e9c999cbf205",
|
|
|
+ "metadata": {},
|
|
|
+ "source": [
|
|
|
+ "2.卷积特征"
|
|
|
+ ]
|
|
|
+ },
|
|
|
+ {
|
|
|
+ "cell_type": "code",
|
|
|
+ "execution_count": 4,
|
|
|
+ "id": "3b5b55d1-b2b6-4ab6-aaff-b41807da2ea4",
|
|
|
+ "metadata": {},
|
|
|
+ "outputs": [
|
|
|
+ {
|
|
|
+ "data": {
|
|
|
+ "text/plain": [
|
|
|
+ "True"
|
|
|
+ ]
|
|
|
+ },
|
|
|
+ "execution_count": 4,
|
|
|
+ "metadata": {},
|
|
|
+ "output_type": "execute_result"
|
|
|
+ }
|
|
|
+ ],
|
|
|
+ "source": [
|
|
|
+ "import cv2\n",
|
|
|
+ "import numpy as up\n",
|
|
|
+ "#import malplotlib.pyplot as plt\n",
|
|
|
+ "\n",
|
|
|
+ "#读取图片：大矩阵\n",
|
|
|
+ "img = cv2.imread(\"gpu.bmp\")\n",
|
|
|
+ "img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)\n",
|
|
|
+ "#准备小矩阵：算子\n",
|
|
|
+ "img_sobel = cv2.Sobel(\n",
|
|
|
+ " img, \n",
|
|
|
+ " -1,\n",
|
|
|
+ " 1,#一阶微分\n",
|
|
|
+ " 1,\n",
|
|
|
+ " ksize=3,\n",
|
|
|
+ " scale=1.0,\n",
|
|
|
+ " delta=50.0\n",
|
|
|
+ ")\n",
|
|
|
+ " \n",
|
|
|
+ "#显示\n",
|
|
|
+ "#plt.inshow(img_sobel)\n",
|
|
|
+ "cv2.imwrite(\"3.jpg\", img_sobel)"
|
|
|
+ ]
|
|
|
+ },
|
|
|
+ {
|
|
|
+ "cell_type": "code",
|
|
|
+ "execution_count": null,
|
|
|
+ "id": "dc03a5ea-4b5b-4cac-9db3-cb09fcd7886a",
|
|
|
+ "metadata": {},
|
|
|
+ "outputs": [],
|
|
|
+ "source": []
|
|
|
+ }
|
|
|
+ ],
|
|
|
+ "metadata": {
|
|
|
+ "kernelspec": {
|
|
|
+ "display_name": "Python 3 (ipykernel)",
|
|
|
+ "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": "3.9.13"
|
|
|
+ }
|
|
|
+ },
|
|
|
+ "nbformat": 4,
|
|
|
+ "nbformat_minor": 5
|
|
|
+}
|
