中文说明：
ch3_1_1：嵌套使用图像代数函数
ch3_1_2：两幅图像相加
ch3_1_3：图像与常数相加
ch3_1_4：两幅图像相减
ch3_1_5：两幅图像相乘
ch3_1_6：图像除以常数[两幅图像相除
ch3_2_1：图像缩放
ch3_2_2：图像旋转
ch3_2_3：图像剪切
ch3_2_4：生成和应用仿射变换
ch3_2_5：findbounds函数的应用
ch3_2_6：makeresampler函数的应用
ch3_2_7：投影变换
ch3_3_1：计算图像的局部标准差
ch3_3_2：计算输入图像的3×3邻域像素值的最大值
[§ 3.3.2]根据指定的坐标选择一个六边形区域 按灰度分割图像中的目标 函数poly2mask的调用格式 对指定区域进行锐化滤波 填充指定的区域。
English Description：
ch3_1_1: nested function using the image algebra ch3_1_2: the sum of two images ch3_1_3: Image and constant sum ch3_1_4: subtract two images ch3_1_5: two images multiplied ch3_1_6: image divided by the constant [two images division] ch3_2_1: image scaling ch3_2_2: Image Rotation ch3_2_3: image shear ch3_2_4: Generation and application of affine transformation ch3_2_5: findbounds function application ch3_2_6: makeresampler function application ch3_2_7: projection transformation ch3_3_1: Calculation of the local standard deviation image ch3_3_2: Calculation of the input image 3 × 3 neighborhood of the maximum pixel value [§ 3.3.2] in accordance with the designated coordinates to select a hexagonal region segmentation by gray-scale image of the objective function calls poly2mask format designated area sharpening filter to fill the designated regional