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Image Analyst


Last seen: Today 2010 이후 활성

Senior Scientist (male/man) and Inventor in one of the world's 10 largest industrial corporations doing image analysis full time. Ph.D. in Optical Sciences specializing in imaging, image processing, and image analysis. 40+ years of military, academic, and (mostly) industrial experience with image analysis programming and algorithm development. Experience designing custom light booths and other imaging systems. Experience with color and monochrome imaging, video analysis, thermal, ultraviolet, hyperspectral, CT, MRI, radiography, profilometry, microscopy, NIR and Raman spectroscopy, etc. on a huge variety of subjects. Member of the Mathworks Community Advisory Board. Be sure to click "View All" in my File Exchange to see ALL of my demos and tutorials: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

Professional Interests: Image analysis and processing

Programming Languages:
MATLAB, Visual Basic
Spoken Languages:
English

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Not enough input arguments
Wow - bad, fragile code. Not robust at all. For example it does not check filename to see if it's empty. And does check with ...

약 4시간 전 | 0

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plotting x y cartesian coordinates
Those are matrices, not vectors. To turn into a vector and plot, you can use (:) and sort(): x = [0.00134476655097517 0.001344...

약 4시간 전 | 0

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I need to read an array to see if it has repeated elements (using for loop)
Why use a for loop??? No need to go to that complication (unless there is something you've not told us.) Why not simply use uni...

약 4시간 전 | 0

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Saving for loop value after each iteration
Since resistance is already an array, simply delete the line where you overwrite the array with the i'th value of it: resistanc...

약 7시간 전 | 0

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How to sum values in a matrix which are in the specified distance from one value?
What I'd do is to create a mask of circles of radius 50 around the cities. Then use that in a call to regionprops() asking for ...

약 8시간 전 | 0

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Generate new samples from available data
How about just getting a random number from each of your input ranges. Like: a = [100 200 300]; b = [11 12 13]; c = [600 90...

약 10시간 전 | 0

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How to concatenate selected data of two .mat files
If t1 and t2 are your tables, how about just tacking on the right column? t3 = [t1, t2(:, end)] t1 and t2 both need to have th...

약 10시간 전 | 0

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Creating a cell array pattern where output is a binary matrix
Here's a start v = 0 : 15 c = dec2bin(v) How do I get help on homework questions on MATLAB Answers? - MATLAB Answers - MATLAB...

약 21시간 전 | 0

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Binary to RGB image with specific colour in specific area
Well, I could do it, but not within the few minutes I typically donate to people. There are basically 2 ways: the traditional s...

약 22시간 전 | 0

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How do you use 'Color Preprocessing'?
Some networks, such as Alexnet, are already set up to process color images. There is nothing you need to do other than resize y...

약 22시간 전 | 0

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How to read all types images from the folder regardless of file extension ?
For multiple file extensions in a single folder, try this: fileList = [... dir('*.jpg'); dir('*.jpeg'); dir('*.p...

1일 전 | 0

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Mean filter with kernel size
Here's some help: How do I get help on homework questions on MATLAB Answers? - MATLAB Answers - MATLAB Central Here's an examp...

1일 전 | 0

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Calculate average between min and max numbers in column 3 depending on values in column 2, for each value in column 1
Just take it one step at a time. Try this. % Let's say you have a 2000 x 3 matrix, where all the elements are integers. % In...

1일 전 | 1

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How to extract the information from a specific line which draws on an image in matlab?
If xBlack and yBlack are the vectors that you plotted for the black curve, you can get the values underneath the lines by doing ...

1일 전 | 0

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Calling function from different m-file
Do you want inputImage to be gray scale, like [row, col, numberOfColorChannels] = size(inputImage) if numberOfColorChannels ==...

2일 전 | 0

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I have matlab problem removing outliers
Try calling sgolayfilt() to smooth the data, if that's what you want to do. % Initialization Steps. clc; % Clear the comman...

2일 전 | 0

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How to detect and separate squares and circles on image ?
See my attached shape recognition demos. Circularity is one way. Also getting distance from centroid and counting peaks is ano...

2일 전 | 1

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How do I use the find function to track every last point that is black, so as to create a matrix of that border between white a black image. See Below
Try this. It assumes the top part is all white, and the only black is a big region along the bottom, which doesn't have to be p...

3일 전 | 1

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How can i find code for people detection moving in a video?
MATLAB's Computer Vision Toolbox has capabilities for doing that. See the people tracking info on this page: https://www.mathw...

3일 전 | 0

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How to plot graphs for a loop for all the different values you've selected for the loop
Do you want all the plots in one graph? If so use hold on: for k = 1 : 6 % Get x and y, then call plot plot(x, y, '-...

3일 전 | 0

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How to draw a inclined line which can separate image in percent of white pixels
OK, since you were not supplying the binary image, I made one from the picture you posted. Try this: % Initialization Steps. ...

3일 전 | 0

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How to draw a inclined line which can separate image in percent of white pixels
That image is no good. You attached a screenshot with a huge white frame around it instead of the actual image. [EDIT] OK afte...

3일 전 | 0

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Vertical binning of images
Use blockproc(): % Uses blockproc() to get mean of image blocks for a variety of input block sizes and output block sizes. % D...

3일 전 | 0

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Missing value for predict in Classification Learner App
In code you can do this: % Load saved model. s = load('trainedModel69.mat') trainedModel69 = s.trainedModel69 % Read in test...

3일 전 | 0

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Looking for ideas about a goal of my project
Sure, give it a shot. It probably won't be as accurate as the NN method but you can show some sort of similarity based on what ...

3일 전 | 1

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Saving a .mat file in csv format
Try creating a double array from your structure: data = [Data.axis1(:), Data.axis2(:), Data.axis3(:), Data.datenum(:)]; writem...

3일 전 | 0

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Image Steganography using Lsb ?
See my LSB watermarking demo. Adapt as needed.

3일 전 | 0

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Conversion of grayscale to binary Image
There is an option for that in imbinarize to make sure you always get either the brighter thing or the darker thing: BW = imbin...

3일 전 | 0

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답변 있음
How to predict data using the trained models?
Click Export from the app and save it to 'trainedModel.mat'. Then load it in and it will tell you in the command window how to ...

3일 전 | 0

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Height of a figure spontaneously changes.
Does calling drawnow help?

3일 전 | 1

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