Towards a robust real-time decoder
نویسندگان
چکیده
In this paper we present several algorithms that speed up our BBN BYBLOS decoder. We briefly describe the techniques that we have used before this year. Then we present new techniques that speed up the recognition search by a factor of 10 with little effect on accuracy using a combination of Fast Gaussian Computation, grammar spreading, and grammar caching, within the 2-Pass n-best paradigm. We also describe our decoder metering strategy, which allows us to conveniently test for search errors. Finally, we describe a grammar compression technique that decreases the storage needed for each additional ngram to only 10 bits.
منابع مشابه
Robust Opponent Modeling in Real-Time Strategy Games using Bayesian Networks
Opponent modeling is a key challenge in Real-Time Strategy (RTS) games as the environment is adversarial in these games, and the player cannot predict the future actions of her opponent. Additionally, the environment is partially observable due to the fog of war. In this paper, we propose an opponent model which is robust to the observation noise existing due to the fog of war. In order to cope...
متن کاملRobust Attitude Control of Spacecraft Simulator with External Disturbances
The spacecraft simulator robust control through H∞-based linear matrix inequality (LMI) and robust adaptive method is implemented. The spacecraft attitude control subsystem simulator consists of a platform, an air-bearing and a set of four reaction wheels. This set up provides a free real-time three degree of freedom rotation. Spacecraft simulators are applied in upgrading and checking the c...
متن کاملA H.264 Robust Decoder for Wireless Environments
Video transmission on unreliable networks can produce artifacts on received images due to either the loss of a part of the bitstream or its corruption. In this paper we describe an innovative algorithm, based on temporal correlation between frames and scene change detection, that greatly improves the objective and subjective quality of incorrectly H.264/AVC decoded images, with a computational ...
متن کاملReal-time Structural Analysis of Handwritten Mathematical Formulas by Probabilistic Context-free Geometry Modelling
Robust structural analysis techniques are crucial for the recognition of handwritten mathematical formulas. Therefore we integrated a novel probabilistic structural classification module into a single-stage semantic decoder, recursively taking relative symbol (or symbol group) positions and sizes into account. On the basis of Gaussian, statistically independent distributions for the resulting f...
متن کاملRobust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN
We propose robust distant speech recognition by combining multiple microphone-array processing with position-dependent cepstral mean normalization (CMN). In the recognition stage, the system estimates the speaker position and adopts compensation parameters estimated a priori corresponding to the estimated position. Then the system applies CMN to the speech (i.e., positiondependent CMN) and perf...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1999