21.6 A 12nW always-on acoustic sensing and object recognition microsystem using frequency-domain feature extraction and SVM classification.
Seokhyeon JeongYu ChenTae-Kwang JangJulius Ming-Lin TsaiDavid T. BlaauwHun-Seok KimDennis SylvesterPublished in: ISSCC (2017)
Keyphrases
- frequency domain
- svm classification
- feature extraction
- object recognition
- support vector machine svm
- image classification
- support vector machine
- fourier transform
- spatial domain
- computer vision
- kernel function
- feature vectors
- power spectrum
- support vector
- cross correlation
- face recognition
- svm classifier
- feature space
- preprocessing
- principal component analysis
- denoising
- frequency analysis
- template matching
- feature selection
- wavelet transform
- natural images
- dimensionality reduction
- image features
- classification accuracy
- pattern recognition
- cross validation
- multiclass classification
- subband
- feature set
- multi class
- classification method
- face images
- text classification