Matlab

Data Acquisition from NI PCI-6024E card
Good afternoon! We are trying to read an HEDL 5540 encoder using a NI 6024 card in matlab. We've hooked up Channel A to PCI8/GPCTR0_Source and Channel B to DIO6. Below is the code we have so far. We don't think we're successfully reading the PCI8 pin. handles.dio = digitalio('nidaq','Dev1'); handles.ai =... 21 Mar 2010 13:50

Image Intensity
Hello all, I'm new in Matlab, so a need change the intensity of one image using a scroolbar, i need a function to do this?Someone can help me . Thanks ... 21 Mar 2010 15:03

Image Intensity
Hello all, I'm new in Matlab, so a need change the intensity of one image using a scroolbar, i need a function to do this?Someone can help me . Thanks ... 21 Mar 2010 12:42

how can i overlay two images
i want to overlay an image on top of another image. Both images are the same size and both are in dicom format. Here are the images: http://www.sendspace.com/file/to5y4w http://www.sendspace.com/file/btcq0q Below is the code i started with: a = dicomread('CT.1.2.246.352.63.1.4932789913146072778.1490548749946159... 24 Mar 2010 12:19

Crop/change colour of part of an image
Hi everyone, I have a black image (640x480) and want to select a area square/rectangle (of this image and make it white. Then I need to display the black image again with the white patch on it. I read about imcrop and imsubtract but still no clue. any help please?? Thanks kenneth ... 21 Mar 2010 20:50

how to make SVM toolbox functioning?
Hi, I got problem with my SVM coding and also other SVM demo coding. the error always state undefined RBF_sigma and almost other SVM parameter as below: ??? Error using ==> svmtrain Unknown parameter name: RBF_Sigma. Error in ==> citruSVM at 99 svmStruct = svmtrain(Data(train,:),groups(train), ... ... 21 Mar 2010 12:42

Removing unwanted Pixel
I am not sure if the title above is approriate for my problem. Basically I have an image posted below, where I have applied mixture of gaussian and obtained the resultant image although it is still work in progress to make the the foreground (peoples) more defined but what I want is to scan the image from left to r... 22 Mar 2010 19:12

how to make available a variable to two callbacks?
Hi, how can i share o make available a variable to two callbacks...Please help me.. ... 21 Mar 2010 15:03

How to crop an image from pixel scan?
the user needs to crop the image himself a/c to the coding u suggested...if a user wants to crop half or three fourth of the original image automatically wt wud b the changing then? ... 21 Mar 2010 12:42

How to build a exponentially weighted moving average covariance matrix?
Hi I'm desperatly need help with my school project and I hope you guys can help me with this problem. I am new to Matlab and my coding skills are really bad. I would need a code that would solve this EWMA equation. I also need to solve this many times so I have to put it in a loop so take this in to consideratio... 22 Mar 2010 11:51