Keywords by alphabetical order
| Ultrasound | Kouamé Denis, Girault Jean-Marc, Chemla Jean-Paul, Reméniéras Jean-Pierre, Lethiecq Marc | Nonstationary Methods and application to Noisy Ultrasound Doppler | Paper #282 |
| Ultraspherical | Bergen Stuart, Antoniou Andreas | Generation of Ultraspherical Window Functions | Paper #144 |
| UMTS | Muhammad Wrya, Grosicki Emmanuele, Abed Meraim Karim, Delmas Jean-Pierre, Desbouvries Francois | Uplink versus downlink wirless mobile positioning in umts cellular radio systems | Paper #364 |
| Underdetermined | Vielva Luis, Santamaria Ignacio, Pantaleón Carlos, Ibáñez Jesús, Erdogmus Deniz, Príncipe José | Estimation of the Mixing Matrix for Underdetermined Blind Source Separation using Spectral Estimation Techniques | Paper #120 |
| Underdetermined Cnvolutive Mixtures | Deville Yannick | Analysis and control of the stability of a differential separation method for underdetermined convolutive mixtures | Paper #719 |
| Unequal Error Protection | Hannuksela Miska, Wang Ye-Kui, Gabbouj Moncef | Sub-Picture Video Coding for Unequal Error Protection | Paper #567 |
| Unified Framework | Ouyang Shan, Ching P.C. | A unified framework for fast extraction of principal and minor components | Paper #117 |
| Unscented Kalman Filter | Davy Manuel, Andrieu Christophe, Doucet Arnaud | A Particle filtering Technique for Jump Markov Systems | Paper #732 |
| Utility function | Iregui Marcela, Chevalier Philippe, Macq Benoit | Optimal Caching Mechanism for JPEG 2000 Communications | Paper #722 |