Abdelrahiem Ahmed Hashem

14 Questions 11 Answers 0 Followers

Questions related from Abdelrahiem Ahmed Hashem

What is the Steerable Filters? and How can I compute it?

I need to compute the steerable filter on some image.

10 October 2017 5,827 0 View

What is the differnce in threshold value between using im2bw(I) and im2bw(I,otsuTH)?

I need to know what is the Thresold value which uses in function im2bw(Image)

09 September 2017 5,310 0 View

How can I detect closed contour from edge map image?

After I get edge map for an image using Canny edge or Sobel edge, I need to determine closed contour!

01 January 2017 3,122 2 View

How can I make bounding box around each letter in image containing text?

I have scene image with text, I need to make bounding box for each letter not for whole text.

11 November 2016 7,662 1 View

How I store/save the window figure out from running some codes to open them without using MatLab??

I run my code and I need to save the form containing the output like images or functions to open them without using MatLab.

10 October 2016 8,667 0 View

How to change one dinmension list to two dimensions array with function "ind2sub"?

I have a vector but I need to construct a new array nXm and take his elements from the vector using "ind2sub" function.

10 October 2016 6,695 0 View

How can I use Baysian rule as a classifier?

I have a huge amount of data and I need to classify them using Bayesian rule into two classes. I know the class label of two classes.

09 September 2016 7,052 4 View

How can I detect the paralle lines in binary image?

I have gray scale image, after I convert to binary image I need to extract the parallel lines in the image to remove on of them.

09 September 2016 6,634 11 View

If the kernal convolution used for change image values is 2X2, where the centre of kernal?

I knew that the center of filter/kernal put on the target pixel of the image, if the filter was 2x2, how multiply occurs?

08 August 2016 5,146 0 View

How can I compute the direction of gradient at each pixel of an image I ??

I need MatLab code to compute gradient direction atan(y/x) for image at each pixel.

06 June 2016 9,063 6 View

How built-in function "bwconncomp" works in MatLab?

When I pass binary image to the function "bwconncomp" in MatLab, I did not know which objects it targets black objects or white?

05 May 2016 446 2 View

Why command "edge" do not working with argument "canny"??

bw1 = edge(I,'canny'); I need to use canny edge but it is not working as "sobel" and "prewitt"

05 May 2016 3,563 11 View

How can I store the output of several of structures produced from "bwconncomp" ?

I have an image and divide this image into blocks, I apply connected component function called "bwconncomp" to each block, I need to store the PixelIdxList field of the structure produced from...

05 May 2016 3,762 3 View

What is the basic idea of otsu's method?

computer science specially image processing and image segmentation

04 April 2016 5,321 12 View