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Read first row of data in datastore
preview(ds)
preview(ds) returns the first row of data in the input datastore.
ds
example
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Load training data that contains bounding boxes with labels for a vehicles class.
data = load('vehicleTrainingData.mat'); trainingData = data.vehicleTrainingData;
Add the fullpath to the local vehicle data folder.
dataDir = fullfile(toolboxdir('vision'),'visiondata'); trainingData.imageFilename = fullfile(dataDir,trainingData.imageFilename); blds = boxLabelDatastore(trainingData(:,2:end));
Preview the data from the box label datastore.
preview(blds)
ans=1×2 cell array {[126 78 20 16]} {[vehicle]}
boxLabelDatastore
pixelLabelDatastore
Datastore with labeled data for training a semantic segmentation network or an object detection network, specified as a boxLabelDatastore or a pixelLabelDatastore object.
Introduced in R2020a
objectDetectorTrainingData
datastore
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