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Salad Box


Last seen: 1 year ago |  Active since 2017

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Question


'datasetExists' not found (for GAN)
Hi, I am a beginer in GAN and was trying this example below. https://uk.mathworks.com/help/deeplearning/ug/train-generative-ad...

1 year ago | 1 answer | 0

1

answer

Question


Does Matlab provide any tools to understand the contents in an image and describe it using words?
Hi, I am new to neural network and just about to start to build my own. I am hoping to achieve that with an input of an image,...

1 year ago | 2 answers | 0

2

answers

Question


Can I define or change the direction of 'reshape'?
Hi, I have a sample image (below). Generally if I use 'reshape' to change the RGB from n by m by 3 to n*m by 3, the reshape...

2 years ago | 1 answer | 0

1

answer

Question


What is the range of L (lightness) when plotting HSL bi-cone colour space?
Hi, I am trying to plot the HSL bi-cone colour space using Matlab. From google search, there are many online HSL images look l...

2 years ago | 1 answer | 0

1

answer

Question


What is the code for this cosine symbol?
Hi, How to write the cos-1 in Matlab? Is it to only use 'cosd' or 'cosd' but with some to represent -1? Has anyone seen the co...

2 years ago | 1 answer | 0

1

answer

Question


How to generate all the possible data points in this 2D triangle?
Hi, I have a blue triangle in a 2-D V-S space. How can I know the [s v] values of all the possible points within the bl...

2 years ago | 1 answer | 0

1

answer

Question


How to know how much I rotated a figure?
Hi, Matlab plotted my data points like this: Then I manually rotated the figure to this: Is there a way to record the...

2 years ago | 1 answer | 0

1

answer

Question


When plotting in 3D space, what to do to make 1 unit look the same length on each axis?
Hi, I have a matrix of data points 'xyz' and I plotted them in the 3D X, Y and Z space. Notice that 1 unit on the Z axis (...

2 years ago | 1 answer | 0

1

answer

Question


How to read '.webp' image file
Hi, I have a couple of image files in '.webp' format, how to read them in Matlab?

2 years ago | 3 answers | 0

3

answers

Question


All the combinations for 3 variables
Hi, I have 3 variables, each of which is an array containing differnet numbers of elements. If I take a simple case as an exam...

2 years ago | 1 answer | 0

1

answer

Question


Hue in HSV Color Space
Hi, In the HSV colour space, if I have 4 sample points with hue angle of [0, 90, 180, 270], how can I convert them so that...

2 years ago | 1 answer | 0

1

answer

Question


How to generate the hsv cone graph using Matlab?
Hi I saw the hsv cone graph on Mathworks webpage https://uk.mathworks.com/help/images/understanding-color-spaces-and-color-...

2 years ago | 1 answer | 1

1

answer

Question


How to apply the white point when converting xyz to upvpl using 'makecform'?
Hi, I have a sample data point with XYZ values shown below. XYZ = [29.5400 25.2800 19.5900]; I would like to convert XY...

2 years ago | 0 answers | 0

0

answers

Question


Determine positions of projected points onto an ellipse
Hi, I have a set of data points (blue dots below) and I woule like to project them onto an ellipse (with known a, b, x0, y0, an...

2 years ago | 3 answers | 0

3

answers

Question


Projecting a dataset on an ellipse
Hi, I fit an ellipse (in green) to my dataset (white dots). I'd like to project each data point on the ellipse (or shifting ...

2 years ago | 1 answer | 0

1

answer

Question


Can't get the legend right
Hi I plotted a few things on the chromaticity diagram below. h1 to h3 are to plot three black lines, h4 is to plot dataset A,...

2 years ago | 1 answer | 0

1

answer

Question


Munsell 100 Hue Test
Hi, Has anyone got the code for the Munsell 100 Hue Test in Matlab?

2 years ago | 0 answers | 0

0

answers

Question


How to rotate or mirror the contents in the figure with axes?
Hi, I generated a plot(?) with axes on (see below) but it doesn't look quite right. The above plot maybe classed as gca? ...

2 years ago | 1 answer | 0

1

answer

Question


Generating a mask from scratch
Hi I would like to generate a simple mask image from scratch in Matlab if it is possible. It has the following criteria: t...

2 years ago | 1 answer | 0

1

answer

Question


How to know the exact colour after a level of transparency being applied?
Hi, I am filling an area with a specific colour, say [255 0 0 ], but with a level of transparency, say 0.5. So the actually col...

2 years ago | 1 answer | 0

1

answer

Question


How to fill a circle with different sized circles
Hi I would like to create something very similar to this with packcircles. All I have is the background colours and foreground...

2 years ago | 1 answer | 0

1

answer

Question


Matlab User Interface - how can I fit more script in one line?
Hi there, In the Matlab's script interface, there is a vertical line (see below where the arrow is pointing at) serving as th...

2 years ago | 1 answer | 0

1

answer

Answered
Can anyone please send the superpixel segmentation code used in image processing
https://uk.mathworks.com/matlabcentral/fileexchange/69805-superpixel-based-fast-fcm-for-color-image-segmentation

2 years ago | 0

Question


Matlab Online - change of the current folder
Hi, For the online version of the Matlab, how to change the current folder to my local folder?

2 years ago | 1 answer | 0

1

answer

Question


Solving the linear equation
Hi, For a simple explanation, an example is 21 = m x 7. m = 21/7 = 3. If I use the m I obtained to time 7, it should be equal t...

2 years ago | 2 answers | 0

2

answers

Question


Detect ColorChecker chart in an image
Hi, https://blogs.mathworks.com/steve/2020/09/30/how-to-detect-an-x-rite-colorchecker-chart/ I used the link above for detec...

2 years ago | 1 answer | 0

1

answer

Question


When chromaticity diagram meets a line
Hi, I used Matlab to plot a chromaticity diagram, then I plotted a line with a function y=ax+b with known a and b. I am jus...

2 years ago | 2 answers | 0

2

answers

Question


How to generate colour blindness confusion lines?
Hi, How are the confusion lines (red lines) generated in the image below?

2 years ago | 0 answers | 0

0

answers

Question


box detection/rectangle detection
Hi Here is my sample image. How to automatically grab/crop/know the region of each colour square without using 'get rect' fun...

3 years ago | 2 answers | 0

2

answers

Question


Using 'getrect' on the main design window - App Designer
Hi Below is my main design window. As you can see, within the blue box it is an Image Object, not an Axes Object. There is n...

3 years ago | 1 answer | 0

1

answer

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