Getting error when using Image Labeler App, need help (R2020a)

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Sanjay Gupta
Sanjay Gupta 2020-6-29
评论： sudha vaiyapuri 2020-8-12
Whenever I open the Image Labeler App and try to load images, I get the follwing error message:
Error using vision.internal.labeler.tool.Layout/hideTabXCloseButton
Java exception occurred:
java.lang.ClassCastException: java.lang.Character cannot be cast to java.lang.String
at com.mathworks.widgets.desk.DTOccupant.getName(DTOccupant.java:373)
at com.mathworks.widgets.desk.Desktop.clientMatches(Desktop.java:6443)
at com.mathworks.widgets.desk.Desktop.getDTClient(Desktop.java:6380)
at com.mathworks.widgets.desk.Desktop.getClient(Desktop.java:815)
Warning: Error occurred while evaluating listener callback.
Error using vision.internal.imageLabeler.tool.ImageLabelerTool/appendImage
Undefined function 'appendImage' for input arguments of type 'struct'.
How can I fix this?

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回答（2 个）

Bhargavi Maganuru
Bhargavi Maganuru 2020-7-12
This is an existing bug in 2020a. The file names must have at least two characters or two digits. As a workaround, if the file name is 1.jpg then rename it to 01.jpg.
Bhargavi Maganuru
Hi,
You can load unlabeled images data into Image Labeler app from a folder, images stored in datastore, or from a labeler session. Make sure that images must be readble by imread
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Bhargavi Maganuru
Bhargavi Maganuru 2020-7-12
'even if i use imds to load the dataset', does imds means imageDatastore? Are you able to read images with imread ?
Jeeva Rajan
Jeeva Rajan 2020-7-12
yes i can read the image with imread, yes i have used imageDatastore

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