1、用PS就可以了,首先用PS打开要调整的图片,打开软件,点击打开,选择的图片位置,确定。
2、将背景层解锁,复制一层。复制背景层,这是我们作图的一个习惯,任何文件最好都复卜孙姿制一层在 *** 作凯大,防止破坏原先的文件。
3、然后进行型绝图片的调整,执行滤镜-其他-高反差保留,数值不用太大。数值根据图片的质量进行调整,可以在预览框中看到效果,一般在1-5数值之间为宜。
4、然后选择滤镜-锐化-USM锐化,将图片进行锐化 *** 作,可以使细节处更加突出,增加图片的清晰度,可执行多次看看效果,以实际图片为准。
5、然后调整一下图片的亮度,调整图片,曲线,增强图片的明暗对比,可是图片更加清晰,调整的方式很多,曲线,亮度对比度,色阶等,都能达到同等的效果。
6、效果差不多了,点击确定效果如下图。可以看到原图片中模糊的部分,已经变得清晰了。特别是细节的部分,能够看到很细微的部分,线条清晰了。
%之前写的一个程序,这里面用Sobel算子和Prewitt算子的部分就是对图像锐化得到边缘的了。也可以直接用matlab自带的函数S = edge(I, 'sobel')进行锐化。
clcclose all
clear all
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%读入图像
f=imread('Pictures/4_m03.tif')
%f=imread('Pictures/5_m01.tif')
%f=imread('Pictures/10_m02.tif')
%f=imread('Pictures/22_m03.tif')
f=imresize(f,0.25)
f=im2double(f)
[m,n]=size(f)
subplot(2,3,1),imshow(f)
title('原始图像')
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%生成高斯平滑滤波模板
hg=zeros(3,3) %设定模板大小3*3
delta=0.5
for x=1:1:3
for y=1:1:3
u=x-2
v=y-2
谨带 hg(x,y)=exp(-(u^2+v^2)/(2*pi*delta^2))
end
end
h=hg/sum(hg(:))
%高斯滤波
ftemp=zeros(m,n)
rowhigh=m-1
colhigh=n-1
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
mod=[f(x-1,y-1) f(x-1,y) f(x-1,y+1) f(x,y-1) f(x,y) f(x,y+1)f(x+1,y-1) f(x+1,y) f(x+1,y+1)]
竖迹 A=h.*mod
ftemp(x,y)=sum(A(:))
end
end
f=ftemp
subplot(2,3,4),imshow(f)
title('高斯滤波后的图像')
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%利用Sobel算子进行边缘检测
sx=[-1 0 1-2 0 2-1 0 1]
sy=[-1 -2 -10 0 01 2 1]
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
mod=[f(x-1,y-1) f(x-1,y) f(x-1,y+1) 祥纤芦f(x,y-1) f(x,y) f(x,y+1)f(x+1,y-1) f(x+1,y) f(x+1,y+1)]
fsx=sx.*mod
fsy=sy.*mod
ftemp(x,y)=max((abs(sum(fsx(:)))),(abs(sum(fsy(:)))))
end
end
fs=im2uint8(ftemp)
subplot(2,3,2),imshow(fs)
title('Sobel算子进行边缘检测的原始图像')
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%阈值分割
TH1=140 %设定阈值
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
if (fs(x,y)>=TH1)&((fs(x,y-1) <= fs(x,y)) & (fs(x,y) > fs(x,y+1)) )
fs(x,y)=200
elseif(fs(x,y)>=TH1)&( (fs(x-1,y) <=fs(x,y)) & (fs(x,y) >fs(x+1,y)))
fs(x,y)=200
else fs(x,y)=50
end
end
end
subplot(2,3,5),imshow(fs)
title('Sobel算子边缘检测并细化后的图像')
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%利用Prewitt算子进行边缘检测
sx=[1 0 -11 0 -11 0 -1]
sy=[-1 -1 -10 0 01 1 1]
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
mod=[f(x-1,y-1) f(x-1,y) f(x-1,y+1) f(x,y-1) f(x,y) f(x,y+1)f(x+1,y-1) f(x+1,y) f(x+1,y+1)]
fsx=sx.*mod
fsy=sy.*mod
ftemp(x,y)=max((abs(sum(fsx(:)))),(abs(sum(fsy(:)))))
end
end
fs=im2uint8(ftemp)
subplot(2,3,3),imshow(fs)
title('Prewitt算子进行边缘检测的原始图像')
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%阈值分割
TH1=100 %设定阈值
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
if (fs(x,y)>=TH1)&((fs(x,y-1) <= fs(x,y)) & (fs(x,y) > fs(x,y+1)) )
fs(x,y)=200
elseif(fs(x,y)>=TH1)&( (fs(x-1,y) <=fs(x,y)) & (fs(x,y) >fs(x+1,y)))
fs(x,y)=200
else fs(x,y)=50
end
end
end
subplot(2,3,6),imshow(fs)
title('Prewitt算子边缘检测并细化后的图像')
很多用户在使用电脑玩游戏的时候都希望达到高画质,这个时候就可以通过锐岩橡化调整来提高质量,下面就为大家带来开启的方法。粗尘旁nvidia控制面板锐化怎么开启:
1、右击桌面打开“NVIDIA控制面板”。
2、点击左侧“管理3D设置”。
3、在右侧功能中点击“图像兄巧锐化”。
4、即可自定义调整,完成后点击“确定”即可。
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