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Awarded to Nithya on 09 Oct 2019
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Question
How can i get a pathname with \*.jpg for an image folder.
I am using 1. folder_name = uigetdir('C:\Users\Student\Documents\MATLAB\matlab program folder') 2. dirNamev =('C:...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
Can a gui be used passing input parameters and without output parameters?
I have my gui written function varargout = gui3(actualv, Lsoftv, EV1, EV2,I1) I want to know whether the gui is working...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
once matlab is closed is there any way to edit the gui which was working previously.
I was previously working on a gui figure. I closed matlab and when i reopend i am not able to change pushbotton position. Is the...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to get the variables into workspace while running GUI?
I have small functions and scripts inside my GUI. When i run my GUI I cannot see any variables and its datas in my workspace. Th...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
How can i use pushbutton callback in opening function callback?
I have a very long script file.But inorder to fix it in GUI, i have divided it into small functions. The program starts with GUI...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Intepretation of image histogram
I am attaching a figure which shows the histogram of an intensity image(0-1)scale. Can somebody interpret the graph so that i ca...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
help in inserting figure and also open another window using a gui.
I have written script files which includes functions in it. These functions deal with displaying figure. What is that i should d...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
how to set region inside roi (polygon) to 1.
I have a polygon drawn on an image using impoly. I want to set the region inside the polygon to 1. Can it be done. Please help m...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to get all xy coordinates within a connected polygon.?
I have a polygon using impoly on an image.Is it possible to get all the pixel coordinates within that polygon.
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How can i extract a set of data if the corner points are known(not square) from a large matrix?
I have an image and using impoly image handle i can draw a polygon and get the x and y coordinates of the corner points.It is no...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How can i set few pixels to a particular color(red) in a gray scale image?
The image is gray scale.If i can get a condition to select some pixels, (say for all x>100 or anything), I want those selected p...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to call a function in which an image is to be displayed finally using GUI
example ###### I=imread('img1.jpg'); function [ C ] = imfun( I ) imshow(I) end I want to display an the image I using GU...
presque 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Is there any method to get the depth of the object from an image
I an image where in i have a window, can i get the dimensions or the depth of the window from this image.
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Converting image class from single to double loose some data?
I have hdr matrix created through makehdr command. This matrix is mxnx3 of class single. I want to convert the sRGB color spa...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
on separating RGB values for each pixels of an hdr image, what is the type : sRGB or RGB?
The input images are of color space sRGB. While creating hdr(of class single) from few LDR jpg images, and the pixels are separa...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How to find the azimuth and elevation angle of an object from the image?
I have an image in which i have a side window.I want to calculate the solid angle subtended by it at the centre of the image. A...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
How can i observe a 3 dimensional matrix(hdr) using pcolor command?
I have with me, file={'img1.jpg','img2.jpg','img3.jpg','img4.jpg','img5.jpg'}; hdr = makehdr(file); hdr is 1728x259...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how to detect occupancy from images?
I have two images of same scene with me and what i want is to check for occupancy(whether the scene is occupied with any people)...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Will fish-eye images work in matlab?
I am planing to work with auto bracketed images taken with fisheye lens.My aim is to create an HDR image.so i wanted to know whe...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Is firmware necessary for beagleboard to work correctly after support package is installed?
I have downloaded and installed the support package for beagleboard. But the firmware download is getting failed showing downloa...
environ 11 ans il y a | 1 réponse | 1
0
réponseQuestion
how to interface beagleboard with matlab simulink?
I am planning to work with simulink which i need to use the beagle board for image processing.But that tool box is not there in ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How can i read coeffictents stored in workspace from excel into matlab?
After plotting, i did basic fit for my plot. The coefficients are saved in the workspace excel sheet.I require them for further ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
content of makehdr function
Is makehdr function using camera response curve for creating the hdr image?
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Is there a relation between absolute and relative luminance with RGB pixel values?
I think the display devices shows the luminnce values ranging from 0-255. I have got the relative luminance from r,g and b value...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Can the hdr image be saved to png format?
Once the hdr image is created as it cannot be displayed,can it be saved to .png format for loss less compression? Also can the i...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Will there be a difference in R,G and B values before and after tone mapping?
An image is read and hdr is created using makehdr command. when displayed using imshow, RGB values are showing value 1.After ton...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
R G B values range of an hdr image in matlab between 1-256?
After creating an hdr image,it is tone-mapped and displayed.The RGB values are collected using the command impixel. 1. *Is the ...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Code for finding luminance from the hdr image
I have 5 jpeg images with me and i need to find the hdr image.Is there a particular code for finding the same using matlab.
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how to find calibration factor for luminance measurements?
1. To find the luminance of a particular scene, the luminance from matlab is not matching with that of actual luminance.So i nee...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Is it posible to use images with jpeg-hdr format?
How can we use images with jpeg-hdr format with matlab? jpeg-hdr format is used to store the hdr information inside jpeg file. ...
environ 11 ans il y a | 1 réponse | 0
0
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