Feature fusion technology based on serum FTIR spectra combined with chaos theory in the disease auxiliary diagnosis

Yang Du, Cheng Chen, Chen Chen, Yue Liu, Lijun Wu, Enguang Zuo, Xiaoyi Lv

Abstract: Highlights•The first proof of chaotic characteristics in FTIR spectra.•The first proof of the value of combining FTIR spectra with chaos theory.•Employing low-rank tensor fusion for spectral and chaotic features combination.•The proposed LTFF-BiGRU model achieved competitive results.