Looping Through Mat Image
Then i need to loop through the next two columns in the excel sheet columns 3 4 and assign these to x and y and run the calculation again and then plot the results.
Looping through mat image. Follow 3 views last 30 days colin on 24 jan 2014. Hi everyone i m trying to put a threshold on a grayscale image and i m doing it this way. I currently have 24 folders within a folder and i was wondering if it was possible to loop through the 24 folders and extract information from a subfolder within the 24 folders. Image analyst on 11 mar 2014.
I ve tired looping through using the image data property and getting the colors similar to code below int rows image rows. We ll use a cell array to store the data coming from the different images since it allows for each image to be a different size. I m doing my own color conversion where i need access to individual red green and blue values. That a for loop reads the image pixel by pixel and if the value of the pixel is less than 0 5 sets its value to 0 and if it is more than 3 sets it to 256.
Show hide all comments. This is what i have. This is 0 or 1 depending on whether it is 0 image new image in2 0 image new i j image in2 i j 0 so scale the values up with a simple multiplcation image new image new. Loop through mat images and compare each.
Byte datargb image data. I have a two template image with feature points mapped i then want to map the feature points on a sample image and count how many feature point matches there are on each of the template image. But every time the loop runs you will overwrite your crop variable because it is not indexed. Counter np sum image in 255 sums work on binary values counter2 np sum np bitwise and image in 255 image in2 0 and the second to.
Simply index the crop variable and then you should end up with a 15 by 1 vector guesswork since i dont know your dimensions or the imcrop function. I already have the code for the calculation so i m just stuck on looping through the columns and the graphing. Brando miranda on 30 mar 2018. Working with cell arrays.
When you get a list of image files their names will be stored inside of a structure. Right now your loop will probably run areasize number of times 15 times from what you write.