how to identify clear leaf in this image.

2 次查看（过去 30 天）

tashu Dabariya 2019-7-18

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/472379-how-to-identify-clear-leaf-in-this-image

编辑： KALYAN ACHARJYA 2021-3-8

I am trying to identify greenness with the help of Tuned Tri-threshold Fuzzy Intensification Operators. I tried a lot to remove white pixels which around the edges of the final image.please help me to identify clear leaf of greenness.

Function

function out = TTFIO(image, tao, zeta)

[row col]=size(image);

%% Calculating the Membership Function

img = (image - min(image(:)))./(max(image(:)) - min(image(:)));

%% Applying Intensification Operators

for j = 1:row

for k = 1:col

if img(j,k) <= tao

enhanced(j,k) = 2*img(j,k)^2;

else

enhanced(j,k) = 1-2*(1-img(j,k))^2;

end

%% Tuning the Output

out=((enhanced).^(tao+zeta));

Read Image

zeta=.5;

x=im2double(imread('corn seedling wheat straw on sunny day.jpg'));

x=imresize(x,[256 256]);

figure; imshow(x);

img1=rgb2hsv(x);

H=img1(:,:,1).*255;

S=img1(:,:,2).*255;

V=img1(:,:,3).*255;

H( (H<5) | (H>150)) = 0;

H(H>65&H<80&S>2&10&V>150) = 0;

figure,imshow(uint8(S));

% x_R=x(:,:,1); x_G=x(:,:,2); x_B=x(:,:,3);

tao_R=.9; tao_G=.8; tao_B=.5;

R=(TTFIO(H,tao_R,zeta));

G=(TTFIO(S,tao_G,zeta));

B=(TTFIO(V,tao_B,zeta));

out=cat(3,R,G,B);

t=graythresh(out);

BW=im2bw(out,t);

figure,imshow(out)

BW=bwareaopen(BW,175);

BW = imclearborder(BW);

figure;

imshow(BW)

this is the original image

final result.

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

KALYAN ACHARJYA 2019-7-18

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/472379-how-to-identify-clear-leaf-in-this-image#answer_383812

编辑：KALYAN ACHARJYA 2019-7-18

You can look at color thresholding aproach like here, and for smothness of the edges use morphological operations. To get the best fit morpho operations in this case, may be it will take 15-30 min, but it can be done.

11 个评论
显示 9更早的评论隐藏 9更早的评论

tashu Dabariya 2019-7-18

编辑：tashu Dabariya 2019-7-18

Sir, I tried this but it's not working pls help me.

a=0; b= 0; c=0; p=0; p1=0;

zeta=.5;

x=im2double(imread('corn seedling wheat straw on sunny day.jpg'));

x=imresize(x,[256 256]);

figure; imshow(x);

img1=rgb2hsv(x);

H=img1(:,:,1).*255;

S=img1(:,:,2).*255;

V=img1(:,:,3).*255;

H( (H<5) | (H>150)) = 0;

H(H>65&H<80&S>5&10&V>150) = 0;

figure,imshow(uint8(H));

% x_R=x(:,:,1); x_G=x(:,:,2); x_B=x(:,:,3);

tao_R=.9; tao_G=.8; tao_B=.5;

R=(TTFIO(H,tao_R,zeta));

G=(TTFIO(S,tao_G,zeta));

B=(TTFIO(V,tao_B,zeta));

out=cat(3,R,G,B);

for mm = 1:size(out,1)

for nn = 1:size(out,2)

if (out(mm,nn,2) -10) > out(mm,nn,1) & (out(mm,nn,2)-10) > out(mm,nn,3)

out(mm,nn,1) = out(mm,nn,1);

out(mm,nn,2) = out(mm,nn,2);

out(mm,nn,3) = out(mm,nn,3);

a=a+1;

else

out(mm,nn,1) = 250;

out(mm,nn,2) = 250;

out(mm,nn,3) = 250;

b=b+1;

end

p = a / (a + b);

p1 = p * 100;

imshow(out);

t=graythresh(out);

BW=im2bw(out,t);

figure,imshow(out)

BW=bwareaopen(BW,175);

BW = imclearborder(BW);

figure;

imshow(BW)

gunturu gunturu 2021-3-8

what is enhanced(j,k) mean?

can you please clarify my dought

if posssble can you please give breaf explenation of TTFIO function

KALYAN ACHARJYA 2021-3-8

编辑：KALYAN ACHARJYA 2021-3-8

where? @gunturu gunturu pls post the question as a new question (Open new thread)

请先登录，再进行评论。

类别

Image Processing and Computer Vision Image Processing Toolbox Geometric Transformation and Image Registration

在 Help Center 和 File Exchange 中查找有关 Geometric Transformation and Image Registration 的更多信息

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by