Leveraging Cascaded Binary Classification and Multimodal Fusion for Dementia Detection through Spontaneous Speech. - Yin-Long Liu; Yuanchao Li; Rui Feng; Liu He; Jia-Xin Chen; Yi-Ming Wang; Yu-Ang Chen; Yan-Han Peng; Jia-Hong Yuan; Zhen-Hua Ling (INTERSPEECH, 2025)