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Jason


Last seen: 1 día hace Con actividad desde 2011

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  • 3 Month Streak
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Stopping showing a MP4 file (frame) by exit button
Hello,I am reading a mp4 video and have created a figure with the axes, and two buttons. My two buttons for play and exit have ...

3 días hace | 1 respuesta | 0

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vertical concatenate strings in msgbox
Hello,I cant understand why this vertical concatenation of strings isn't working. v = VideoReader(filename); ...

5 días hace | 2 respuestas | 0

2

respuestas

Pregunta


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...

11 días hace | 2 respuestas | 0

2

respuestas

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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...

15 días hace | 0 respuestas | 0

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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...

17 días hace | 1 respuesta | 0

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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 meses hace | 1 respuesta | 0

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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 meses hace | 2 respuestas | 0

2

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Content 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...

7 meses hace | 1

| aceptada

Pregunta


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 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


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 meses hace | 2 respuestas | 0

2

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Pregunta


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 meses hace | 1 respuesta | 0

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Passing 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...

alrededor de 1 año hace | 0

| aceptada

Pregunta


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...

alrededor de 1 año hace | 3 respuestas | 0

3

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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. ...

alrededor de 1 año hace | 1 respuesta | 0

1

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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...

más de 1 año hace | 3 respuestas | 0

3

respuestas

Pregunta


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...

más de 1 año hace | 1 respuesta | 0

1

respuesta

Pregunta


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...

más de 1 año hace | 1 respuesta | 0

1

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Grid not showing on UIAxes
Seems you need to do this. set(gca, 'XTickMode', 'auto', 'XTickLabelMode', 'auto')

casi 2 años hace | 0

| aceptada

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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...

casi 2 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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 ...

casi 2 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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 ...

casi 2 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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. ...

casi 2 años hace | 0 respuestas | 0

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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...

casi 2 años hace | 2 respuestas | 0

2

respuestas

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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 ...

casi 2 años hace | 1 respuesta | 0

1

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Pregunta


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...

casi 2 años hace | 1 respuesta | 0

1

respuesta

Respondida
Displaying 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...

casi 2 años hace | 0

Pregunta


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...

casi 2 años hace | 1 respuesta | 0

1

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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. ...

casi 2 años hace | 1 respuesta | 0

1

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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...

casi 2 años hace | 1 respuesta | 0

1

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