ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2020
DOI: 10.1109/icassp40776.2020.9053160
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Limitations of Weak Labels for Embedding and Tagging

Abstract: While many datasets and approaches in ambient sound analysis use weakly labeled data, the impact of weak labels on the performance in comparison to strong labels remains unclear. Indeed, weakly labeled data is usually used because it is too expensive to annotate every data with a strong label and for some use cases strong labels are not sure to give better results. Moreover, weak labels are usually mixed with various other challenges like multilabels, unbalanced classes, overlapping events. In this paper, we f… Show more

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Cited by 10 publications
(4 citation statements)
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References 20 publications
(24 reference statements)
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“…This is referred to as label density noise [77], defined as a measure of the weakness of labels for a given weakly labeled clip. The impact and limitations of weak labels in sound event recognition (SER) are discussed in [32,78]. Audio processing can be done by handling the variable-length clips as is, or by slicing the clips into fixed-length patches.…”
Section: A Characteristicsmentioning
confidence: 99%
“…This is referred to as label density noise [77], defined as a measure of the weakness of labels for a given weakly labeled clip. The impact and limitations of weak labels in sound event recognition (SER) are discussed in [32,78]. Audio processing can be done by handling the variable-length clips as is, or by slicing the clips into fixed-length patches.…”
Section: A Characteristicsmentioning
confidence: 99%
“…Fries et al (2019) used unlabeled cardiac MRI sequences for weakly supervised classification of aortic valve malformations, and Wu et al (2017) proposed using a new migration learning-based multi-instance learning (TMIL) framework to solve the multi-instance migration learning problem with both the source and target tasks containing weak labels. However, research into the application of weakly labeled industrial datasets to regression problems is still in its early stages (Turpault et al, 2020).…”
Section: Related Work 21 Weakly Supervised Learningmentioning
confidence: 99%
“…The longer the clips, the higher the the so-called label density noise [77] as there is less certainty of where the labeled event is actually happening. The impact and limitations of weak labels in SER are discussed in [32,78]. In the context of deep networks, clips' variable length implies that audio processing must be done either using fixed-length patches or utilizing variablelength inputs.…”
Section: A Characteristicsmentioning
confidence: 99%