How do I load and show a PNG image in MATLAB?

Posted by user198729 on Stack Overflow See other posts from Stack Overflow or by user198729
Published on 2010-04-06T16:31:26Z Indexed on 2010/04/09 3:43 UTC
Read the original article Hit count: 256

Filed under:

matlab

|

image-manipulation

>> I = imread('D:\Works\matlab\SecCode.php.png','png');
>> imshow(I);

The above code always shows an all-black image. What's wrong with it?

The image I'm using is this one:

alt text

© Stack Overflow or respective owner

Related posts about matlab

Importing matlab functions in matlab

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I have some Matlab functions defined in .m files and I'd like to import them into Matlab (as in I'd like them to form part of the commands). Is this possible please and how can I do this? Thank you very much and regards, Krt_Malta >>> More
c# with matlab dll should be running on pc without matlab

as seen on Stack Overflow - Search for 'Stack Overflow'
hi, i have a very big problem. ich wrote a programm which is using a matlab dll. i build some classes with the matlab .net builder. it runs on my pc :) the problem is, i want to use ist on a pc without matlab. so i installed mcr, but it dont run :( what are the steps i should do? the system variable… >>> More
Matlab and .NET Interaction

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All! I'm having an issue interacting between Matlab and .NET. I've managed to call .NET methods from Matlab code and vice versa. However, if I call a .NET method that, in turn, instantiates a Matlab object, it crashes (with a type initialization exception). Think about this scenario: a .NET… >>> More
Matlab matrix replacement assignment gives error

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, when i tried to update some part of a matrix, i got the following error message: ??? Assignment has fewer non-singleton rhs dimensions than non-singleton subscripts My code tries to update some values of a matrix that represent a binary image. My code is as follows: outImage(3:5,2:4,1) =… >>> More
MATLAB matrix replacement assignment gives error

as seen on Stack Overflow - Search for 'Stack Overflow'
I tried to update some part of a matrix, I got the following error message: ??? Assignment has fewer non-singleton rhs dimensions than non-singleton subscripts My code tries to update some values of a matrix that represent a binary image. My code is as follows: outImage(3:5,2:4,1) = max(imBinary(3:5… >>> More

Related posts about image-manipulation

Image Manipulation in Multitouch Development

as seen on Code Project - Search for 'Code Project'
In this article I will describe about the Image manipulation in Windows 7 multitouch Environment >>> More
[jQuery] [PHP] Image manipulation

as seen on Stack Overflow - Search for 'Stack Overflow'
hello, I want to do some kind of image editor, after I upload more images i want to make a list with all the thumbnails! after i want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), delete the image! all the images i want to be in a php… >>> More
Image manipulation

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am just wondering what kind of computing/programming language/frameworks are needed to produce images such as the one in http://www.erdas.com/ ? Programmatically, how does one produce the general spatial analysis images ? ps: I use java most of the time. Thanks >>> More
very large image manipulation and tiling

as seen on Stack Overflow - Search for 'Stack Overflow'
I need to a software , Program(Java),or a method for tiling very larg images (more than 140MB). I have used imagemagic and convert tools photoshop and corel draw and matlab (in win os) but I have problem with memory amount.and memory is not enough.imagemagic is very slow and result is not desirable… >>> More
Codeigniter image manipulation class rotates image during resize

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm using Codeigniter's image manipulation library to re-size an uploaded image to three sizes, small, normal and large. The re-sizing is working great. However, if I'm resizing a vertical image, the library is rotating the image so it's horizontal. These are the config settings I have in place: … >>> More