fft/ifft transformations, DCT encoding/decoding using various techniques (zig-zag scanning, quantization), SNR calculations, filters (Gaussian, median, bilateral), edge detection, motion assessment, moving objects detection, JPEG model study
Unix system, Executable files creation, file linking, file concatenation, Process Creation, Management and Intercommunication, Signal generation, POSIX threads, synchronization (POSIX Mutexes, Spinlocks, Semaphores, Condition Variables, GCC atomic operations), Linux shell scripting, Scheduling