Guia docente 2023_24 Escola de Enxeñaría de Telecomunicación

Contents

Topic	Sub-topic
Sampling, windowing and quantification of one-dimensional and two-dimensional signals.	- Sampling, Nyquist theorem, reconstruction filter. - 2D sampling, concept of resolution vs. sampling frequency. 2D reconstruction. - Windowing in 1D and 2D. - Uniform quantization. A/D conversion . Quantization noise.
Time-frequency analysis of sound and image signals.	- Sound and image characteristics in time and double spatial dimension, respectively. - Windowing and Discrete Fourier Transform (DFT). DFT in 2D. - Frequency characteristics. Spatial frequencies, physical interpretation.
Basic concepts of light and color.	- The image: numerical nature, colorimetry, visual system basics.
Acoustics: basics. Measurement of acoustic signals.	- The sound: acoustic variables, generation, combination of sources, sound sensations - Measurement levels. - Sound level meter
Sound and image systems and processes: basics.	Filter banks. - Sound capture and calibration. - Specifications and objective quality. - 1D filtering. FIR and IIR filters. Relation between windowing and filtering. - 2D filtering. Separable filters. Point operations and spatial filtering on images.
Practices	Audio -Localized analysis of audio signals -Spectrogram -Calculation of sound pressure levels -Calibration of sound pressure levels Image -Image processing in Matlab -Filtering and restoration of images