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Nurul Najmah


Active since 2015

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How to determine the first 4 values of DFT of h(n)?
given the H(z)== (1 + z-1) / [(1 – z-1) (1 – 0.8ejπ/4 z-1)(1 – 0.8e-jπ/4 z-1)]

9 years ago | 0 answers | 0

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Question


how to scan the image in specific region is all white?
true final= maxxImage(60:100, :); if all(final == 0) disp('rows were all pure white'); else disp('there was at ...

9 years ago | 0 answers | 0

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Question


how to check the value 0 in row (200 till 240) ,whole column is true?
i have binary image (320 columns 240 rows). i want to check the value of row(200-240) is all white(0).

9 years ago | 1 answer | 0

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Question


how to crop image.
i want to crop image from column(1-10) and column(310-320) without changing the row size. my image is 240 rows,320 columns.

9 years ago | 1 answer | 0

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Question


how to overlay two plot of image to be one image only. But display both plot on that image.
this is my code. true %point location row=find(sum(maxxImage,2)==0,1,'last')+1; col=find(maxxImage(row,:)~=0); row=...

9 years ago | 1 answer | 0

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Question


how to show output of the distance between two point?I just find the highest location of white pixel.
I want to find the distance from the highest point location (highestWhiteRow,thatColumn) to the lastRow,thatColumn.After that,t...

9 years ago | 0 answers | 0

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Question


How to mark the (last row,this column) of finding the highest white pixels through each column.
<</matlabcentral/answers/uploaded_files/30271/kkk.PNG>> the code for find the white pixels through each column,and mark into ...

9 years ago | 1 answer | 0

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Question


How to show the coordinate automatically after plot the marker?
this is the code true %point location row=find(sum(img8,2)==0,1,'last')+1; col=find(img8(row,:)~=0); row=row(ones(...

9 years ago | 1 answer | 0

1

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Question


I want to crop image for each side column(left and right).
I am trying use this code,but it crop each row(up and bottom). How to crop it trough each 10 column left and right? clc; ...

9 years ago | 1 answer | 0

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Question


Display the distance in meter real time obstacle avoidance.
<</matlabcentral/answers/uploaded_files/30032/5.png>> How can i get the distance from the starting point to the highest point...

9 years ago | 0 answers | 0

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Question


i want to mark the highest point of any non-black pixel within the image to find the max point.
here is my image. I had ask before at https://www.mathworks.com/matlabcentral/answers/213198-i-want-to-mark-only-the-highest-mid...

9 years ago | 2 answers | 0

2

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Question


i want to mark only the highest middle point of binary image but it show the min point too.
<</matlabcentral/answers/uploaded_files/29625/ijj.PNG>> % code %highest point location [ y, x] = find(maxIm...

9 years ago | 3 answers | 0

3

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Question


How to join between each edge? I am used Sobel Edge Detection. It will result MATLAB fill code some error. Is there any method can be used?
<</matlabcentral/answers/uploaded_files/29323/error.png>> the edge do not connect to each other at binary image. how to co...

9 years ago | 1 answer | 0

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Question


How to continue find white pixels from last column to the next lastColumns-1 and so on?
% Go across columns of image looking for last white pixel in the column. [rows, columns] = size(BW); % Output image output =...

9 years ago | 2 answers | 0

2

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Question


I want to find white pixel, from fill the from bottom to top. Once the white pixels is found, I want to fill the next (same columns,row++) with all black. I have BW image using Sobel Edge Detection.
1. From the bottom left of the pixel(first column), I want to find the edge pixel (white pixel=0) [rows, columns]=size[BW];...

9 years ago | 1 answer | 0

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Question


I have a binary image of 100x150pixels. I want to do the loop function to read pixels of the binary image from bottom to top. Currently I'm doing side fill from bottom to top of image processiing. How can I write the variable of the row and column fr
i am referring to : http://www.roborealm.com/tutorial/Obstacle_Avoidance/slide010.php

9 years ago | 1 answer | 0

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Answered
how to fill a binary image from bottom to top? i'm trying using imfill but the output is wrong. The second picture is want i want.
here is my input image https://NURULNAJMAH.opendrive.com/files?NTdfMTEwMTNfUExKRkc

9 years ago | 0

| accepted

Question


how to fill a binary image from bottom to top? i'm trying using imfill but the output is wrong. The second picture is want i want.
clear all;close all; %Load and Read Image object = imread('kotak.jpg'); %Resize the image by pixels obstacle= imresize(o...

9 years ago | 1 answer | 0

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