diff --git a/Matlab/dip/lab1/CH3.2.2.bmp b/Matlab/dip/lab1/CH3.2.2.bmp
new file mode 100644
index 0000000..2479f2c
Binary files /dev/null and b/Matlab/dip/lab1/CH3.2.2.bmp differ
diff --git a/Matlab/dip/lab1/PIC1.2.3_24b.bmp b/Matlab/dip/lab1/PIC1.2.3_24b.bmp
new file mode 100644
index 0000000..623d266
Binary files /dev/null and b/Matlab/dip/lab1/PIC1.2.3_24b.bmp differ
diff --git a/Matlab/dip/lab1/PIC1.2.3_256.bmp b/Matlab/dip/lab1/PIC1.2.3_256.bmp
new file mode 100644
index 0000000..2cbc528
Binary files /dev/null and b/Matlab/dip/lab1/PIC1.2.3_256.bmp differ
diff --git a/Matlab/dip/lab1/PIC2.4.3a-RGB24b.bmp b/Matlab/dip/lab1/PIC2.4.3a-RGB24b.bmp
new file mode 100644
index 0000000..106449e
Binary files /dev/null and b/Matlab/dip/lab1/PIC2.4.3a-RGB24b.bmp differ
diff --git a/Matlab/dip/lab1/PIC2.4.3b-GRAY.bmp b/Matlab/dip/lab1/PIC2.4.3b-GRAY.bmp
new file mode 100644
index 0000000..f502bce
Binary files /dev/null and b/Matlab/dip/lab1/PIC2.4.3b-GRAY.bmp differ
diff --git a/Matlab/dip/lab1/cameraman.tif b/Matlab/dip/lab1/cameraman.tif
new file mode 100644
index 0000000..bf8495b
Binary files /dev/null and b/Matlab/dip/lab1/cameraman.tif differ
diff --git a/Matlab/dip/lab1/lab1_0.bmp b/Matlab/dip/lab1/lab1_0.bmp
new file mode 100644
index 0000000..250c84d
Binary files /dev/null and b/Matlab/dip/lab1/lab1_0.bmp differ
diff --git a/Matlab/dip/lab1/lab1_1.bmp b/Matlab/dip/lab1/lab1_1.bmp
new file mode 100644
index 0000000..8fb78a0
Binary files /dev/null and b/Matlab/dip/lab1/lab1_1.bmp differ
diff --git a/Matlab/dip/lab1/lab1_2.bmp b/Matlab/dip/lab1/lab1_2.bmp
new file mode 100644
index 0000000..3176377
Binary files /dev/null and b/Matlab/dip/lab1/lab1_2.bmp differ
diff --git a/Matlab/dip/lab1/lab1_3.bmp b/Matlab/dip/lab1/lab1_3.bmp
new file mode 100644
index 0000000..8110138
Binary files /dev/null and b/Matlab/dip/lab1/lab1_3.bmp differ
diff --git a/Matlab/dip/lab1/lab1_3.m b/Matlab/dip/lab1/lab1_3.m
new file mode 100644
index 0000000..f38e31b
--- /dev/null
+++ b/Matlab/dip/lab1/lab1_3.m
@@ -0,0 +1,8 @@
+close all
+clear
+clc
+disp('====E1_2_1.m====');
+I1=imread('lab1_2.bmp');
+subplot(2,2,1),imshow(I1),xlabel('(a)256 色位图'); % 语句1
+I2=imread('lab1_0.bmp');
+subplot(1,2,2),imshow(I2),xlabel('(b)24位位图');
\ No newline at end of file
diff --git a/Matlab/dip/lab1/lab1_4.m b/Matlab/dip/lab1/lab1_4.m
new file mode 100644
index 0000000..19a3927
--- /dev/null
+++ b/Matlab/dip/lab1/lab1_4.m
@@ -0,0 +1,11 @@
+clear;
+clc
+close all;
+disp('====E2_4_2.m====');
+I=imread('PIC2.4.3a-RGB24b.bmp');
+imfinfo('PIC2.4.3a-RGB24b.bmp')
+I2=im2bw(I); % 语句1
+imwrite(I2,'PIC2.4.3b-GRAY.bmp');
+imfinfo('PIC2.4.3b-GRAY.bmp')
+figure,subplot(1,2,1),imshow(I);
+subplot(1,2,2),imshow(I2);
\ No newline at end of file
diff --git a/Matlab/dip/lab1/lab1_5.m b/Matlab/dip/lab1/lab1_5.m
new file mode 100644
index 0000000..0b37fe9
--- /dev/null
+++ b/Matlab/dip/lab1/lab1_5.m
@@ -0,0 +1,10 @@
+close all
+clear
+clc
+disp('====CH3_2_2.m====');
+I1=imread('lab1_0.bmp');
+I2=imresize(I1,0.1,'nearest'); % 语句1
+I3=imresize(I1,10.5,'triangle'); % 语句2
+figure,imshow(I1),xlabel('原图像');
+figure,imshow(I2),xlabel('缩小后的图像');
+figure,imshow(I3),xlabel('放大后的图像');
\ No newline at end of file
diff --git a/Matlab/dip/lab1/lab1_6.m b/Matlab/dip/lab1/lab1_6.m
new file mode 100644
index 0000000..3dc0c2b
--- /dev/null
+++ b/Matlab/dip/lab1/lab1_6.m
@@ -0,0 +1,10 @@
+close all
+clear
+clc
+disp('====CH3_2_3.m====');
+I1=imread('lab1_0.bmp');
+I2=imrotate(I1,-60,'bilinear'); % 语句1
+I3=imrotate(I1,60,'bicubic','crop'); % 语句2
+subplot(2,2,1),imshow(I1),xlabel('原图像');
+subplot(2,2,3),imshow(I2),xlabel('顺时针旋转30度后的图像');
+subplot(2,2,4),imshow(I3),xlabel('逆时针旋转30度后的图像');
\ No newline at end of file
diff --git a/Matlab/dip/lab1/lab1_7.m b/Matlab/dip/lab1/lab1_7.m
new file mode 100644
index 0000000..423cd6a
--- /dev/null
+++ b/Matlab/dip/lab1/lab1_7.m
@@ -0,0 +1,10 @@
+close all
+clear
+clc
+disp('====CH3_2_4.m====');
+I = imread('lab1_0.bmp');
+I1=fliplr(I); % 语句1
+I2=flipud(I); % 语句2
+subplot(2,1,1),imshow(I),xlabel('(a)原始图像');
+subplot(2,2,3),imshow(I1),xlabel('(b)水平镜像图像');
+subplot(2,2,4),imshow(I2),xlabel('(c)垂直镜像图像');
\ No newline at end of file