Vector quantization and signal compression
Vector quantization and signal compression
Adaptive filter theory (3rd ed.)
Adaptive filter theory (3rd ed.)
Tracking the best linear predictor
The Journal of Machine Learning Research
A Level-Crossing Flash Asynchronous Analog-to-Digital Converter
ASYNC '06 Proceedings of the 12th IEEE International Symposium on Asynchronous Circuits and Systems
Adaptive reference levels in a level-crossing analog-to-digital converter
EURASIP Journal on Advances in Signal Processing
IEEE Transactions on Signal Processing
Level-crossing ADC performance evaluation toward ultrasound application
IEEE Transactions on Circuits and Systems Part I: Regular Papers - Special section on 2008 custom integrated circuits conference (CICC 2008)
Power dissipation bounds for high-speed Nyquist analog-to-digital converters
IEEE Transactions on Circuits and Systems Part I: Regular Papers
A low propagation delay dispersion comparator for a level-crossing AD converter
Analog Integrated Circuits and Signal Processing
Universal randomized switching
IEEE Transactions on Signal Processing
Discrete-Time Signal Processing
Discrete-Time Signal Processing
Efficient adaptive algorithms and minimax bounds for zero-delay lossy source coding
IEEE Transactions on Signal Processing
Universal Switching Linear Least Squares Prediction
IEEE Transactions on Signal Processing
Coding for a binary independent piecewise-identically-distributed source
IEEE Transactions on Information Theory - Part 2
Low-complexity sequential lossless coding for piecewise-stationary memoryless sources
IEEE Transactions on Information Theory
A zero-delay sequential scheme for lossy coding of individual sequences
IEEE Transactions on Information Theory
Level-crossing problems for random processes
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
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In this paper, we investigate level-crossing (LC) analog-to-digital converters (ADC)s in a competitive algorithm framework. In particular, we study how the level sets of an LC ADC should be selected in order to track the dynamical changes in the analog signal for effective sampling. We introduce a sequential LC sampling algorithm asymptotically achieving the performance of the best LC sampling method which can choose both its LC sampling levels (from a large class of possible level sets) and the intervals (from the continuum of all possible intervals) that these levels are used based on observing the whole analog signal in hindsight. The results we introduce are guaranteed to hold in an individual signal manner without any stochastic assumptions on the underlying signal.