Acoustic Scene Classification Based on Sparse Coding and Convolutional Neural Networks.
Yong TangAnqin LuZhen LiuYan LengRongyan WangChengli SunJiande SunChan LinWeiwei ZhaoWenjing LiPublished in: IC-NIDC (2021)
Keyphrases
- scene classification
- sparse coding
- convolutional neural networks
- image classification
- visual words
- image representation
- natural images
- natural scenes
- bag of words
- object recognition
- sparse representation
- discriminative power
- bag of visual words
- bag of features
- co occurrence
- image features
- unsupervised learning
- gaussian mixture model
- image retrieval
- feature space
- spatial information
- keypoints
- linear combination
- object categories
- visual features
- feature extraction
- biologically inspired
- multiscale
- dimensionality reduction
- image patches
- high dimensional
- visual recognition
- image content
- low level
- small number
- text classification