REPORT Mostaani_Idiap-RR-22-2020/IDIAP The High-Quality Wide Multi-Channel Attack (HQ-WMCA) database Mostaani, Zohreh George, Anjith Heusch, Guillaume Geissbuhler, David Marcel, Sébastien EXTERNAL https://publications.idiap.ch/attachments/reports/2020/Mostaani_Idiap-RR-22-2020.pdf PUBLIC Idiap-RR-22-2020 2020 Idiap September 2020 The High-Quality Wide Multi-Channel Attack database (HQ-WMCA) database extends the previous Wide Multi-Channel Attack database(WMCA) \cite{george_mccnn_tifs2019}, with more channels including color, depth, thermal, infrared (spectra), and short-wave infrared (spectra), and also a wide variety of attacks.