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Detect watermark text if exists
Hi I would like to remove images that contains watermark text. Is there any simple way to check whether there's a watermark in t...
fast 5 Jahre vor | 0 Antworten | 0
0
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Character for "ENTER"
I want to break a loop by pressing ENTER key. What character does ENTER key represent? while (1) if strcmp(get(gcf,...
mehr als 8 Jahre vor | 1 Antwort | 1
1
AntwortFrage
Motion trajectory of an occluded object
How to find the motion trajectory of an object which is partially occluded in a video sequence? For example in the 2 frames belo...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Convert type while keeping values
How to convert the type of an array while keeping the value of all elements? For example, A = [200 150 30] in uint16 to B = [20...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to add images to data points
How do I add images to data points just like adding text? labels = [1:2] c = cellstr(num2str(labels)); gscatter(X, ...
fast 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Reduce data dimension using PCA
pca() outputs the coefficient of the variables and principal components of a data. Is there any way to reduce the dimension of ...
fast 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Execute a list of functions
How do I store a list of user-defined function in an array and execute it in a loop one by one? [d] = func1(a), [e] = f...
fast 9 Jahre vor | 2 Antworten | 0
2
AntwortenGelöst
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
etwa 9 Jahre vor
Frage
Unable to Install OS Generic Video Interface Support Package
Matlab version: R2015b (student version) with Image Acquisition Toolbox installed Running Matlab on Windows 8.1 (Windows To ...
mehr als 9 Jahre vor | 0 Antworten | 0
0
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Showing Matlab output command on Visual Studio using Matlab Engine
I use Matlab engine to run below matlab script on Visual Studio. % test.m for i=1:30 fprintf('i = %d\n', i); ...
mehr als 9 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Array of 1 and 0 to decimal
How to convert array with 1's and 0's (array A) to decimal (array B)? A = [1 0 0 1 0 0 1 1; 0 0 0 0 1 1 1 1; 1 0 1 0 1 0 1 ...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Rotation of orthogonal projection
I have a depth image (x,y,z = pixel value). I project the image into top and side views: for i = 1:rows for j = 1:cols...
mehr als 9 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Number of non-zero element
I have n-number of arrays, I want to find the total non-zero element at a location. For example there are three arrays as follow...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Depth Image Segmentation Using Depth Threshold
Depth threshold can be used to extract a foreground (e.g a hand) when there's a gap between a foreground and it's background. In...
mehr als 9 Jahre vor | 1 Antwort | 1
1
AntwortFrage
Foreground Detection Using GMM on Depth Images
I used vision.ForegroundDetector() to detect foreground on RGB video frames. The input of step() is from the vision.VideoFileRea...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Intersect() Problem when none of the pixels overlap
When I used intersect() to find the intersection between A (red) and B (blue), I failed to get any because the pixels don't over...
fast 10 Jahre vor | 1 Antwort | 2
1
AntwortFrage
Removal of noises at edges (2)
How can I get rid of the unwanted pixels circled in red in the image below? <</matlabcentral/answers/uploaded_files/43196/arm...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Removal of noises at edges
I have a grayscale (value 0-255) image with background pixel equals 0. I am trying to remove noises at the border between the fo...
fast 10 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Padding border of a non-uniform region with a value
I would like to add one-pixel padding to the border of a non-uniform region. Instead of looping each pixel and check its 8-pixel...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Separate region by an equation
How to separate a region by an equation. For example I want to find the region greater than the equation y = mx + c. <</matla...
fast 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Normalize image orientation and scale
I want to normalize the orientation and scale of these images before I do a similarity measure. How can I achieve this using PCA...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Find turning point in data
How to get data gradient and how to locate significant changes of the gradient? I'm trying to locate the first "turning point" o...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Counting pixel at an angle without rotating image
How to count the pixels along the line (red) that is perpendicular to the major axis (blue) of a region, without rotating the im...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to get a region from points
Below is a scatter plot from array that I get using boundary(). How can I get a region so that I can use regionprops() to find t...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Exclude last sample as peak despite being the maximum
The first sample is excluded despite being the maximum in findpeaks(). How to exclude the last peak? <</matlabcentral/answers...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Minimum y-value in each column
How to find the first y value (in red) efficiently in each column of the image below? <</matlabcentral/answers/uploaded_files...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
The fastest way to find local minimum
What is the most efficient/fastest way to find the circled local minimum below, the lowest minima between two highest peaks? The...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Finding Special Feature in 3-D points
I have 3-D points data as following. Could you suggest a way to locate the two features circled? I can use regression and dy/dx...
etwa 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Reading a huge text file using Textscan()
I have a .txt file with 3235K number of lines, and 25 space delimited columns. I use the following code to read the file: ...
etwa 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Random pick data by label
I have a data array (13x5). The last column is the class (1-4) of each data. How do I randomly pick n-number of data from each c...
etwa 10 Jahre vor | 1 Antwort | 0
