What happened to the Color Thresholder App in the Image Processing Toolbox?

I'm trying to do color thresholding on HSV and LAB images. I read online that there is a Color Thresholder App, but I have been unable to find/download it. Has it been removed? Or am I looking in the wrong place?

Answer 1

[Image Analyst]

That's Brett's tool. See http://www.mathworks.com/matlabcentral/fileexchange/38484-segmenttool-an-interactive-gui-for-segmenting-images Though he works for the Mathworks, that tool was never part of the Image Processing Toolbox, though maybe it should be.

[Image Analyst]

Actually your link is to R2014a documentation and I haven't tried that yet. It doesn't look exactly like Brett's tool - not sure which developer contributed that one (it might have been Brett though).

[Kevin]

Thanks for the reply, Image Analyst. I'm a bit confused because Brett's SegmentTool seems to be different from the colorThresholder tool described by the Matlab Documentation. I'm trying to use color thresholding to isolate and track a basketball in HSV and Lab colorspace, but I can't figure out how to do that with the SegmentTool. Any tips? Thanks!

[Kevin]

To clarify, my difficulty with SegmentTool is that I can't figure out how to individually adjust the threshold ranges of the separate color channels (i.e. H,S, and V or L, a, and b). I can only convert the RGB to the other colorspaces.

[Image Analyst]

If you're going to do it based on color, see my color segmentation demos in my File Exchange http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

Of course there are other criteria you'll need to apply such as it's round and moving, but even there you'll have problems. What if the boundary is not round because it's obscured by a player's hand? What if the ball is not moving? What if there's the same color in the stands? What if the ball is not visible at all?

[Nancy]

I need threshold a RGB image using color Threshold I couldnt able to find it isv that not available in matlab online

[Image Analyst]

@Nancy, do you have an "Apps" tab on the tool ribbon? You should - it's standard and everybody has it. Click that. Then you should see a list of a bunch of applets from whatever toolboxes you installed. Click the little down array to expand the list so that you see all apps. If you have the Image Processing Toolbox installed, you should see the Color Thresholder.

[Nancy]

I could'nt find color thresholder app in matlab online mathworks. I would like to convert RGB image into masked RGB image can you please help me to convert in the color thresholder app or other technology to get masked RGB image.

[Image Analyst]

Is there an Apps tab in MATLAB online? If there is, is there an Image Processing Category? If not, call them and see if it's supposed to be there or not. I don't use MATLAB online. Do you not have a desktop installation of it?

Answer 2

[Alex Taylor]

The colorThresholder is an R2014a feature of the Image Processing Toolbox. You will need the newest release which came out a week ago to use this feature.

http://www.mathworks.com/help/images/image-segmentation-using-the-color-thesholder-app.html

[Nancy]

I have installed the image processing tool box from the apps but I couldn't find the installed app can you please help me

[Image Analyst]

Please post a screen shot of your MATLAB showing the Apps tab of the tool ribbon selected. Like this: