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Low-Power Lossless Data Compression for Wireless Brain Electrophysiology
2022
Sensors
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With this algorithm, a hardware prototype was created for wireless data transmission using commercially available devices. ...
The algorithm is based on a combination of delta compression and Huffman codes with optimizations for neural signals, which allow it to run in small, low-power Field-Programmable Gate Arrays (FPGAs), requiring ...
Acknowledgments: The authors wish to thank the Open Ephys organization (Seattle, WA, USA) and OEPS (Lisbon, Portugal) for providing the hardware fabrication services. ...
doi:10.3390/s22103676
fatcat:qzfv5hftmzhafhmrjl3xl2ikzm
Generalized Biwords for Bitext Compression and Translation Spotting
2012
The Journal of Artificial Intelligence Research
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For example, a bitext can be seen as a sequence of biwords ---pairs of parallel words with a high probability of co-occurrence--- that can be used as an intermediate representation in the compression process ...
their counterpart translations in the other text ---an application usually referred to as translation spotting--- with only some minor modifications in the compression algorithm. ...
Brisaboa for her ideas and cooperation in the development of the initial version of 2lcab, Gonzalo Navarro for his inspiration for the Tre compression approach, the anonymous referees for suggesting significant ...
doi:10.1613/jair.3500
fatcat:g47pdreednb4hoxoat73kqisnu
Multilingual Data Management In Database Environment
2009
Malaysian Journal of Computer Science
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Query operation can be performed from the encoded data only and the result is obtained by decompressing it using the corresponding language dictionaries for text data or without dictionary for other data ...
In this paper, we propose a system for multilingual data management in distributed environment that stores data in information theoretic way in encoded form with minimum redundancy. ...
For translating the record R in language L 2 we need to encode R with the help of a translator. ...
doi:10.22452/mjcs.vol22no1.4
fatcat:s2pw7fyijnfs7i5d6xuxjg5qau
ODSearch: A Fast and Resource Efficient On-device Information Retrieval for Mobile and Wearable Devices
[article]
2022
arXiv
pre-print
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We propose ODSearch, an On-device Search framework equipped with a natural language interface for mobile and wearable devices. ...
Our experiments were conducted on a mobile phone and smartwatch. ...
METHODS IR algorithms refer to algorithms used for indexing and retrieving structured or unstructured information from text, video, images, and audio. Hersh et al. ...
arXiv:2201.13202v1
fatcat:qtwadlprybff3dp52ifdflsm24
eMED-DNA: An in silico operating system for clinical medical data storage within the human genome
[article]
2019
bioRxiv
pre-print
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This has identified an increasing need for an operating system which allows for the transition from research to clinical use. ...
We present eMED-DNA, an in silico operating system for archiving and managing all forms of electronic health records (EHRs) within one's own copy of the sequenced genome to aid in the application and integration ...
We believe this study will help the scientists to appreciate the need for integrating medical records with genomic data, and drive them towards utilizing this sort of frameworks for precision medicine. ...
doi:10.1101/814830
fatcat:hmm5sqmypfgjljgu56gvwoklvu
ZDC: A Zone Data Compression Method for Solid State Drive Based Flash Memory
2020
Symmetry
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Finally, when there is a write or read request, the SSD will selectively compress or decompress the data according to the type of different zones. ...
In order to improve the performance of data compression and decompression, this study proposes a method of SSD data deduplication based on zone division. ...
First, the LZW compression algorithm requires a dictionary to record the most recently entered string entries. ...
doi:10.3390/sym12040623
fatcat:kv4yc436lfgl5o5nbmpxwzk74i
Sparsity-based compressive reservoir characterization and modeling by applying ILS-DLA sparse approximation with LARS on DisPat-generated MPS models using seismic, well log, and reservoir data
2016
Nonlinear Processes in Geophysics Discussions
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Model selection algorithms like LARS are used for sparse coding. ...
Out of numerous training dictionary methods given in the literature, the ILS-DLA is a variant of the MOD algorithm where the latter is inspired by the GLA and the whole trained dictionary is sequentially ...
Acknowledgements The authors would like to thank the research council of the University of Tehran and the Geology and Reservoir Engineering Departments of the National Iranian South Oilfields Company (NISOC) for ...
doi:10.5194/npg-2016-46
fatcat:ljqplnb6zjgull4sc4roruyccu
A Dictionary Optimization Method for Reconstruction of ECG Signals after Compressed Sensing
2021
Sensors
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This paper presents a new approach for the optimization of a dictionary used in ECG signal compression and reconstruction systems, based on Compressed Sensing (CS). ...
Then, the optimized matrix is used in combination with a dynamic sensing matrix to compress and reconstruct the ECG waveform. ...
Pasquale Daponte for his helpful suggestions in all the phases of this work.
Conflicts of Interest: The authors declare no conflict of interest. Sensors 2021, 21, 5282 ...
doi:10.3390/s21165282
pmid:34450724
pmcid:PMC8398887
fatcat:rtow62r3xjftfhua23zq4xwfk4
An overview of the holographic display related tasks within the European 3DTV Project
2006
Photon Management II
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Automated matching of feature points is a research topic. Holographic recording of 3D scene information using digital cameras is also under investigation as a candidate technology. ...
Synthesis of high-resolution computer generated holograms with high spatial frequency content, using fast algorithms, is crucial. ...
Acknowledgement: Authors thank Thomas Kries for his comments. ...
doi:10.1117/12.668540
fatcat:37qy2pjbb5bljph3dcotepal3y
Alternative Method of Audio Searching (AMAS)
2016
International Journal Of Engineering And Computer Science
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In order to make real and real-time searching on the audio files possible we use this methodology. This paper merely outlines a possible way of searching for the content of the audio files. ...
Our existing algorithms use waveforms to search on audio which requires indexing of all audio files or the audio file is matched via the names of the file itself and pertaining metadata about the file. ...
The words are divided into syllables using the syllables unit. A dictionary for compressing the input text is created by the compression unit, which produces the target file. The dictionary consists ...
doi:10.18535/ijecs/v5i11.33
fatcat:ic7mcm34cfgshpowhbraqiaqmi
A post-compilation register reassignment technique for improving hamming distance code compression
2005
Proceedings of the 2005 international conference on Compilers, architectures and synthesis for embedded systems - CASES '05
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The code translation renumbers registers based on the frequency of registers used by isomorphic instructions and employs a Gray coding scheme to reduce Hamming distances between similar instructions. ...
General purpose register reassignment is a technique that allows for gains in compression efficiency with no penalty in hardware. ...
As the compression scheme used in the paper selects instructions for a dictionary based on the vector Hamming distances between instructions, it is no surprise that a binary translation that minimizes ...
doi:10.1145/1086297.1086311
dblp:conf/cases/RosS05
fatcat:lcofng4berbnpdiq4mva6y62zi
Dictionary-based Monitoring of Premature Ventricular Contractions: An Ultra-Low-Cost Point-of-Care Service
[article]
2017
arXiv
pre-print
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We further compress those transmitted beats using class-specific dictionaries subject to suitable reconstruction/diagnostic fidelity. ...
To this end, we develop a dictionary-based algorithm that detects with high sensitivity the anomalous beats only which are then transmitted. ...
Acknowledgment This work was partially supported by the Department of Electronics and Information Technology (DeitY), Govt. of India, under the Cyber Physical Systems Innovation Project: 13(6)/2010-CC& ...
arXiv:1705.08619v1
fatcat:kxesw66kdbb6xcw3vj6px6f3lq
Flutter Shutter Video Camera for compressive sensing of videos
2012
2012 IEEE International Conference on Computational Photography (ICCP)
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Reconstruction algorithms, motivated by compressive sensing, are subsequently used to recover the high bandwidth video at high fidelity. ...
We also develop two algorithms for reconstructing the high speed video; the first based on minimizing the total variation of the spatiotemporal slices of the video and the second based on a data driven ...
Motion information is recorded by consecutive observations; we use four recorded frames to reconstruct the high speed video. ...
doi:10.1109/iccphot.2012.6215211
dblp:conf/iccp/HollowaySVT12
fatcat:rpxrhrtnurar5o7yfqzcllicru
High-order statistical compressor for long-term storage of DNA sequencing data
2016
Reserche operationelle
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The proposed compressor uses high-order statistical models for range encoding, similar to Markov models, but the whole input is considered in building a symbol context. ...
Since the method has been optimized for compression quality, it is especially suitable for long-term storage and for genome research centers processing huge amount of data (counted in petabytes). ...
We also take advantage of the dictionary approach and a sorting-based algorithm for finding repeated information together with LZ77-based token encoding. ...
doi:10.1051/ro/2015039
fatcat:nc6ic6r5hvhv3ia4w64qk5sndm
Compacting Transactional Data in Hybrid OLTP & OLAP Databases
[article]
2012
arXiv
pre-print
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Despite memory sizes of several Terabytes in a single commodity server, RAM is still a precious resource: Since free memory can be used for intermediate results in query processing, the amount of memory ...
Second, compressing the immutable data and optimizing it for efficient, memory-consumption-friendly snapshotting. ...
We would like to thank IBM for supporting Florian Funke with an IBM Ph.D. Fellowship Award. ...
arXiv:1208.0224v1
fatcat:yffj7szidjbt3euylqm7unagjq
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