EPFL publishes PhD Thesis "Ultra Low Noise CMOS Image Sensors" by Assim Boukhayma presenting a detailed description of the noises sources and techniques to achieve 0.4e- noise:
KTH Royal Institute of Technology, Sweden, publishes Thesis "Design considerations for a high temperature image sensor in 4H-SiC" by Marco Cristiano. The thesis discusses the approach to create a sensor for Venus Mission, capable to capture images at temperature of 460 degC at Venus surface.