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Sonoma Rich


Last seen: 2 months ago |  Active since 2010

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Is there a way to write a GeoTiff file with Color and Alpha Channel Data using geotiffwrite?
Is there a way to write a GeoTiff file with Color and Alpha Channel Data using geotiffwrite? I tried defining a TiffTag for "Ex...

1 year ago | 1 answer | 0

1

answer

Question


How can I save a geographically tilted image to a geoTiff file?
How can I save an image to a geoTiff file. I know the latitude and longitude of the the four corners of the image, but the imag...

1 year ago | 1 answer | 0

1

answer

Answered
Log Error and Warning Messages to Text File
I tried that. The diary file was created, but had nothing in it. I appears the CSM is overriding the stdout and stderr.

2 years ago | 0

Question


Log Error and Warning Messages to Text File
Is there a way to log error and warning messages to a text file? I cannot use the "diary" function since I am running Matlab wi...

2 years ago | 2 answers | 0

2

answers

Question


No Output from Repeating Sequence Stair when Running Simulink
When running a simulation on Simulink where the Start Time is not zero, the output from a Repeating Sequence Stair block or othe...

3 years ago | 1 answer | 0

1

answer

Question


How to Filter a Commanded Position to have Velocity and Acceleration Limits in Simulink
I want to filter a commanded position signal to limit (saturate) its velocity and acceleration. I made the following model, but...

3 years ago | 2 answers | 0

2

answers

Question


How to determine if a signal in Simulink is within upper and lower limit bounds over a specified number of samples?
I want to monitor a signal in Simulink and output a boolean when the signal is within specified upper and lower limits for a spe...

3 years ago | 1 answer | 0

1

answer

Question


Best Way to Convert Data in a Structure to an Array
I am doing the following to convert data in a structure to an array. It seems a little clunky. Is there a better way? a(1).da...

3 years ago | 0 answers | 0

0

answers

Answered
Finding Lines in a Large Text File with a Specific Text
I found the following code that works well filetext = fileread('fileread.m'); expr = '[^\n]*fileread[^\n]*'; matches = regexp...

5 years ago | 0

| accepted

Question


Finding Lines in a Large Text File with a Specific Text
I am trying to read a large text file (>1GB). I only want to read lines that contain a specific text. For example, I want to r...

5 years ago | 3 answers | 0

3

answers

Question


Format output from jsonencode to make it more human readable
Can someone provide an example to format the output from jsonencode to make it more human readable. I.E. add carriage returns an...

7 years ago | 2 answers | 2

2

answers

Question


How can I read multiple image files in a folder using Simulink?
I have many tiff image files in a given directory I want to process using Simulink. I have the Computer Vision Toolbox, but the...

8 years ago | 1 answer | 0

1

answer

Question


How can you performing imwarp about the center of an image, not the top left corner?
I am trying to transform a 2D image using an affine2D object (translation, rotation, and scale). I want to apply it about the c...

8 years ago | 1 answer | 0

1

answer

Question


How do you clear the contents of a table?
I have a table and I want to clear the contents of the table, but not delete it. For example, lets say I have a table T: T =...

8 years ago | 3 answers | 0

3

answers

Question


How to switch between parfor and for based on if you have the Parallel Computing Toolbox
How can you automatically switch between parfor and for based on if you have the Parallel Computing Toolbox without copying the ...

9 years ago | 1 answer | 0

1

answer

Question


How can I read an mpeg2 transport stream video file (*.ts)
I am trying to read an mpeg2 transport stream video file (*.ts) in Matlab. The video is compressed using H.264. I am able to p...

9 years ago | 1 answer | 0

1

answer

Question


Find differences in a set of points without a for loop
I a vector of numbers that I am trying to find the differences between each element in the vector without a for loop. Below is ...

9 years ago | 3 answers | 0

3

answers

Question


How can I pass data to a function for fminsearch that is not to be optimized?
I am using fminsearch to optimize a function, but some variables are not part of the objective function. Currently I pass the "...

11 years ago | 0 answers | 0

0

answers

Question


What is the difference between IMWARP and IMTRANSFORM?
I just installed Matlab 2013a with the image processing toolbox. It has a new function IMWARP. It is very similar to the existi...

11 years ago | 2 answers | 4

2

answers

Question


How can I rescale an image while not changing the dimension of the image?
How can I rescale an image while not changing the dimension of the image? When I scale it up, it just crops the image to fit wi...

12 years ago | 4 answers | 0

4

answers

Question


Georectify/Orthorectify Aerial Imagery
Does matlab have any tools to georectify aerial imagery? I have wide FOV images that I took at a lookdown angle around 70 deg f...

12 years ago | 1 answer | 0

1

answer

Question


How can I prevent IMSHOW from automatically reducing the size of an image?
I am trying to put text annotation on a 1280x1024 image. First I use IMSHOW to display the image and then use the TEXT function...

12 years ago | 2 answers | 0

2

answers

Answered
Can imregister provide transformation details on the registeration of the moving image?
I modified imregister to return the "tform" object that it uses for the transformation. I then created a copy of "transformMovi...

12 years ago | 1

| accepted

Question


Can imregister provide transformation details on the registeration of the moving image?
I want to register and fuse two images, but I need to do some image processing of the images that I register, then use the trans...

12 years ago | 3 answers | 0

3

answers

Question


How do I use IMFILTER to high pass filter an image?
How can I high pass filter an image (A) using IMFILTER(A,H)? What must the filter matrix (H) be to perform a high pass filter?

13 years ago | 4 answers | 0

4

answers

Question


Calculating cross-point within a set of x & y data
I have a set of x & y data that I collected from a test. The plot of the data resembles a mountain with a single peak. Given t...

13 years ago | 2 answers | 1

2

answers

Question


Sharpness Index
Any suggestions on how to get a sharpness index for a monochromatic image? I'm currently using the STD2 function. The larger t...

13 years ago | 0 answers | 0

0

answers

Answered
Reduce Grey Space around Images in a Figure
I found this to work better. d=0.02; %distance between images moon = imread('moon.tif'); s1=subplot(121); ...

13 years ago | 0

| accepted

Question


Reduce Grey Space around Images in a Figure
I have two images that I want to display side-by-side, but the amount of grey space is large making the images small. How can I...

13 years ago | 2 answers | 0

2

answers

Question


Improve Speed to Convert an RGB Image Stored as a Linear Array to a Matrix
I have an RGB image stored as a vector 921,000 bytes long (640x480x3 uint8) in a sequence as follows: [B(1,1) G(1,1) R(1,1) B...

13 years ago | 2 answers | 0

2

answers