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Nhat Nguyen


Last seen: 5 months ago |  Active since 2022

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Objective function is returning Inf or NaN values at initial point. lsqcurvefit cannot continue.
Hi guys, I tried to fitting my data with following code k0= 3.5e+05; % (s-1) lamda=7.5e-10; % (m) n=0.92e-20; KbT=4.11e-21...

1 year ago | 1 answer | 0

1

answer

Question


Creat interactive toolbox for image processing
Hi experts, I have a sequence of images (hundreds) like one above, I want to build a interactive tool to draw a line (redline...

1 year ago | 1 answer | 0

1

answer

Question


lsqcurvefit for multiple variables optimization
Hi experts, I have a set of data which is in the cartesian coordinates (xOy) but needs to be moved a distance (say xc, yc) and ...

1 year ago | 1 answer | 0

1

answer

Question


Plot polygons as image to process
Hi guys, I have data of a curve which I want plot it as an image. And later use function regionprops to get its orientation and...

2 years ago | 2 answers | 0

2

answers

Question


Calculate minimum distance in image
Hi, I have multiple sequence images like below. I want to calculate the minimum distance of 2 boundaries of black object along ...

2 years ago | 1 answer | 0

1

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Question


Extract position data of bubble from an image
Hi expert, How can I tracing my object's boundaries without the frame? I = imread('image.bmp'); threshold = graythresh(I); B...

2 years ago | 1 answer | 0

1

answer