Escalator Foundation Bolt Loosening Fault Recognition Based on Empirical Wavelet Transform and Multi-Scale Gray-Gradient Co-Occurrence Matrix.
Xuezhuang EWenbo WangPublished in: Sensors (2023)
Keyphrases
- co occurrence
- wavelet transform
- multiscale
- similarity matrix
- feature extraction
- edge detection
- wavelet coefficients
- object recognition
- multiresolution
- gray level
- wordnet
- semantic similarity
- subband
- image processing
- latent semantic analysis
- fault diagnosis
- fault detection
- scale space
- image segmentation
- image representation
- named entities
- machine learning
- probabilistic latent semantic analysis
- semantic relations
- visual words
- action recognition
- information retrieval