why yolov3 gave this error "Layer 'upsamsple1Detection2' does not exist"?

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N.white
N.white 2021-7-11
回答： Aneela 2024-4-1
I download YOLO v3 from adds on in Mathwork page. However when I try to run the code to desgin the network using squeezenet network on Matlab 2020a it gave me this error "Layer 'upsamsple1Detection2' does not exist.". I attach the layer graph for last three steps.
Any help I will appreciate it.
%% Load the SqueezeNet network pretrained on Imagenet data set.
baseNetwork = squeezenet;
lgraph = squeezenetFeatureExtractor(baseNetwork, networkInputSize);
%% Then specify the class names, the number of object classes to detect,
% and number of prediction elements per anchor box, and add the detection
% heads to the feature extraction network
classNames = trainingDataTbl.Properties.VariableNames(2:end);
numClasses = size(classNames, 2);
numPredictorsPerAnchor = 5 + numClasses;
%% add detection heads first and second
lgraph = addFirstDetectionHead(lgraph, anchorBoxMasks{1}, numPredictorsPerAnchor);
lgraph = addSecondDetectionHead(lgraph, anchorBoxMasks{2}, numPredictorsPerAnchor);
%% Finally, connect the detection heads by connecting the first detection
% head to the feature extraction layer and the second detection head
% to the output of the first detection head.
lgraph = connectLayers(lgraph, 'fire9-concat', 'conv1Detection1');
lgraph = connectLayers(lgraph,'relu1Detection1','upsamsple1Detection2');
lgraph = connectLayers(lgraph,'fire5-concat','depthConcat1Detection22/in2');
analyzeNetwork (lgraph)

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回答（1 个）

Aneela
Aneela 2024-4-1
Hi N. White,
The error "Layer 'upsamsple1Detection2' does not exist" you are facing suggests that there is no “upsamsple1Detection2” layer in the network.
  • This can be due to an issue with naming of layers in the code.
  • Ensure that the layer you're trying to connect exists in the “lgraph” and its name is correctly spelled.
It seems like there might be a typo in the layer name “upsamsple1Detection2.”
The correct name is “upsample1Detection2” according to the layer graph YOLOv3lgraph1.PNG .

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