二、 简答题
Question# 1: Define the following: （定义以下术语：分段线性变换；对比度拉伸变换）
? Piece‐wise Linear Transformations ? Contrast Stretching
Question#2: if we apply power law transformation on the following image. What will be the resultant image also write the equation of power law transformation? （写出下面图像应用幂变换操作后得到的图像，并写出幂变换操作的公式）
100 52 95 255 222 25 32 25 65
Question #3: Define the following: （给出下面专业术语的定义）
? Pixel ? Intensity ? Digital image
Question #4: Explain Spatial Filtering for Smoothing.（解释空域平滑滤波）
Question # 5: Apply first and second order derivative to the flowing strip of pixel.（写出对下面像素行应用一阶和二阶微分滤波后的结果）
1 1 6 1 2 3 4 10 11 9 8 7 0
Question # 6: Write MATLAB code for power law transformation (assume the variable value by self). （写出对图像执行幂变换的matlab代码，自己假设变量值）。
Question# 7: define Mathematical/Logical Operations on Images? （定义图像的数学或逻辑操作）
Question#1: Define digital image with mathematical explanation?（用数学解释给出数字图像的定
义）
Question#2: if we apply log transformation on the following image. What will be the resultant image
also write the equation of log transformation?（写出下面图像应用对数转换后得到的结果图像，并且写出对数转换公式）
220 234 110 150 0 95
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12 32 25
Question#3:
Define histogram and draw the histogram of the following image?（给出直方图的定义，并且画出下面图的直方图） 2 110 255 9 2 220 9 2 110 110 32 220 10 10 32 2 Question #4: What is meant by relation of the pixel and define the following:（像素关系指得什么，并给出下列距离的定义）
? Euclidian Distance ? City block ? Chess board
Question # 5: Show mask for simple Laplace operation, diagonal and complete Laplace. （写出简单拉普拉斯模板，对角线拉普拉斯模板和完整拉普拉斯模板）
Question # 6: Write MATLAB code to perform Mathematical and logical operation such as （写出执行下列数学或逻辑运算的MATLAB代码）
? Image Addition ? Image Multiplication ? Image Subtraction
? ?and? and ?or? operations
Question # 7: What is gradient operator and explain its function and usability? (什么是梯度算子，解释它的功能和作用)
Question#1: What is meant by digital image enhancement? Write name of the techniques? （数字图像增强指什么，写出增强的方法）
Question#2: if we apply scaling on the following image. What will be the resultant also writes the
equation of image scaling?（写出对下面图像应用全局对比度拉伸后的结果图，并给出相应公式） 80 22 95 52 25 32 65 255 25
Question # 3: Explain type of image enhancement operation: （给出图像增强操作的不同类型）
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Question # 4: Define each in short.
? What is image enhancement? (什么是图像增强) ? Why we use image enhancement? (为什么使用图像增强) ? Methods of image enhancement? (图像增强的方法)
Question# 5: Define each in short:
? What is log transformation? （什么是对数变换） ? Property of log transformation?（对数变换的性质） ? Application of log transformation.（对数变换的应用）
Question# 6: Explain Bit‐plane slicing?（解释位平面切片）
Question # 7: Explain Sharpening Spatial Filters.（解释锐化空间滤波）
三、解析题
Question #4: Apply histogram equalization on the following image and draw histogram before and after operation. (Black=0 and white=1)(对下列图像应用直方图均衡化，并画出应用直方图均衡化操作前后的直方图)
Question # 2:
Question #a: Write MATLAB code for an image, perform log transformation & image thresholding (assume the variables value by self). （写出对图像执行对数变换和阈值化的matlab代码，自己假设变量值）。
Question #b: MATLAB code for an image, perform negative & image scaling (assume the variable value by self). （写出对图像执行反转变换和全局对比度拉伸变换的matlab代码，自己假设变量值）。
Question #3: Convolve weighted smoothing window (3*3) on the following image. Show the image after operation. (Black=0 and white=1)（写出对下面图像应用3*3大小的加权平滑卷积运算操作后的结果图）
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Question 4:
Question # a: Write MATLAB code to apply median filter on image using 3*3 window operation.（写出对图像应用3*3大小的中值滤波的MATLAB代码）
Question # c: Write MATLAB code to apply mean filter on image using 3*3 window operations. （写出对图像应用3*3大小的均值滤波的MATLAB代码）
Question #5: Apply 3*3 windows using median operation on the following image. Consider zero padding and show the image after operation.（写出应用3 * 3大小的中值滤波算子对以下图像滤波后的结果，考虑零填充）
10 10 14 23 24 14 12 25 52 20 10 58 23 12 20 85
Question#6:
Question # a: Write MATLAB code to apply gradient filter on image (vertical and horizontal) （写出对图像进行水平和垂直梯度滤波的MATLAB代码）
Question # b: write MATLAB code to perform Image negative & log transformation (assume the variable value by self). （写出对图像进行反转和对数变换的MATLAB代码，自己设置相关变量值）
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