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Content Feed
Question
vertical concatenate strings in msgbox
Hello,I cant understand why this vertical concatenation of strings isn't working. v = VideoReader(filename); ...
1 jour il y a | 2 réponses | 0
2
réponsesQuestion
Identifying blobs and area filtering
Hello, Im trying to identify the centres of the drops in the image below. Although in each drop there is a bright area, I dont c...
7 jours il y a | 2 réponses | 0
2
réponsesQuestion
Circularity Metric using regionprops
Hello, this is a related to an earlier question but Im after a different parameter so I have asked another question. Apologies i...
11 jours il y a | 1 réponse | 0
0
réponseQuestion
Diameter of Almost circular objects and degree of circularity
Hello, I am trying to measure the diameter of central white spot and the dark area. I understand they perfect circles b...
13 jours il y a | 1 réponse | 0
1
réponseQuestion
Remove all rows of an array based on a value in a column, and also remove all rows that have the same values as this row in other columns
Hi, I have the centroids (x,y) of e.g 3 objects as shown in the pic: I also have an array of the centroid locations (x,y) o...
6 mois il y a | 1 réponse | 0
1
réponseQuestion
Remove centroid locations of objects that are too close
Hi, I have a list of centroid locations of spots in an image (xf, yf). The spots are randomly distributed. I want to remove the...
6 mois il y a | 2 réponses | 0
2
réponsesContent of uiFigure lost when using savefig()
Hi Daniel. I dont have a solution but I have run into a similar issue where I have a uigridlayout on a uifigure and it doesn't o...
6 mois il y a | 1
| A accepté
Question
Sending Text to Hex in serial Port
Hello, I have managed to send hex commands to a pump using the serial port (that requires the commands to be in hex) msg=[0xFF...
10 mois il y a | 1 réponse | 0
1
réponseQuestion
Try and Catch for multiple conditions
Hello. If I have say 10 conditions and each one may fail, rather than have a try and catch round each condition, is there a bett...
10 mois il y a | 2 réponses | 0
2
réponsesQuestion
Linear fit over multiple Rows without using Loops (or polyfit)?
Hello, I have a matrix of data I=[1.8,3,3.6,4.2,4.7,5.3,5.5;3.3,4.2,4.8,5.3,5.8,6.3,6.6;4.5,5.6,6.3,6.8,7.3,7.9,8.2;6.1,6.9,7...
10 mois il y a | 1 réponse | 0
1
réponsePassing Arguments to a UIMenu selected Function
I think I have a solution, I can pass which ever axes (or number of axes) to myax as follows app.myax(1)=ax1; app.myax(2)=ax...
environ un an il y a | 0
| A accepté
Question
Passing Arguments to a UIMenu selected Function
Hello, I am creating a uimenu option on a figure that contains plots so I can scale the ylimits as I wish (i.e. force min ylim t...
environ un an il y a | 3 réponses | 0
3
réponsesQuestion
Assigning NaN to variables, inserting into a cellarray and then plotting Error
Hello, I have a load of images of a spot that I loop through and find certain characteristics such as the centroid of the spot. ...
environ un an il y a | 1 réponse | 0
1
réponseQuestion
Looping through 4 Images that have fixed names
Hello. I have 4 images in memory that I want to loop through and perform some analysis on. I can't find a way to do this. The i...
plus d'un an il y a | 3 réponses | 0
3
réponsesQuestion
Sending four byte commands To serial port
Whilst I am familiar using the Serialport objects in Matlab with text, Im not sure to how to use the protocol "four byte command...
plus d'un an il y a | 1 réponse | 0
1
réponseQuestion
Create a top hat function
Hello, Im trying to create a top hat function (that is 0 everywhere except between -halfpix & halfpix). the fucll width of the t...
plus d'un an il y a | 1 réponse | 0
1
réponseGrid not showing on UIAxes
Seems you need to do this. set(gca, 'XTickMode', 'auto', 'XTickLabelMode', 'auto')
presque 2 ans il y a | 0
| A accepté
Question
Grid not showing on UIAxes
Hello. I am plotting some data on a Canvas in appdesigner, and the grid isn't showing. (The plot is fine) ax=app...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Showing a legend for a "group" of plots
Hello, I am plotting 3 vectors (x1,x2,x3 - each has about 5 values) as lines plot([x1 x1],[0 1],'r.-');hold on ...
presque 2 ans il y a | 1 réponse | 0
1
réponseDeleting an image in an image array doesn't appear to be working
Anyone?
presque 2 ans il y a | 0
Question
sscanf missing first zero
Hello I need to pull out the number below from the string val='020550023 MBB' and then convert it back to a string (so I want ...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Image Aquisition Toolbox, islogging versus isrunning confusion
Hello, I have a couple of questions over the IMAQ toolbox. 1: Im getting confused over the checks islogging and isrunning. ...
presque 2 ans il y a | 1 réponse | 0
0
réponseQuestion
Deleting an image in an image array doesn't appear to be working
Hello, I have an image array consisting of 7 images. Im using an imspinner to delete an image at the required index given by th...
presque 2 ans il y a | 2 réponses | 0
2
réponsesQuestion
Error while evaluating UIControl Callback from a checkbox on a figure
hello, Im and trying to repeat somethign that worked in GUIDE, but not in appdesigner: when the user presses a pushbutton on my ...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Error using VideoWriter to write video frames to a file
Hello, I am trying to save a video from a FLIR camera using the gentl adaptor. vid = videoinput('gentl', 1, 'Mon...
presque 2 ans il y a | 1 réponse | 0
1
réponseDisplaying 3 heatmaps on a figure side by side
Work it out: ax1=subplot(1,3,1,'parent',f1); h1=heatmap(d1); ax2=subplot(1,3,2,'parent',f...
presque 2 ans il y a | 0
Question
Displaying 3 heatmaps on a figure side by side
Hello, I have 3 heatmaps on a UITab (I also have the underlying data for each as arrays). I am trying to get just the 3 heatmap...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Help with extracting images from a holder and montaging
Hello, I have collected a set of images (10) using the image aquisitions tool box and they ar eheld in a variable called frame. ...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Filter a directory and add in listbox only files with TIF/TIFF and containing a certain String
Hello, I am trying to list all tif images ina folder into a listbox. I have it working but am trying to now only list those tif...
presque 2 ans il y a | 1 réponse | 0
1
réponseCreate matrix with elements representing distance from centre of matrix
Here's my attempt - not sure if its the best way: n=5; % n must be odd (nxn matrix) ...
presque 2 ans il y a | 0
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