This CCIS book constitutes selected papers accepted in the Research Track on Signal and Image Processing, Computer Vision and Pattern Recognition, and the Research Track on Parallel and Distributed Computing held as part of the 11th International Conference on Computational Science and Computational Intelligence, CSCI 2024, which took place in Las Vegas, NV, USA, during December 11–13, 2024.The Research Track on ignal and Image Processing, Computer Vision and Pattern Recognition, CSCI-RTPD, received 108 submissions of which 21 papers were accepted. For the Research Track  on Parallel and Distributed Computing, CSCI-RTPD, 7 papers were accepted from 30 submissions. They were organized in topical sections on signal and image processing, computer vision and pattern recognition; signal and image processing, and medical applications; parallel and distributed computing, HPC and applications; and ongoing research projects and posters.