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Time Distortion Anonymization for the Publication of Mobility Data with High Utility
2015
2015 IEEE Trustcom/BigDataSE/ISPA
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The authors proposed an approach that adapts to the original data in order to guarantee differential privacy with the highest possible utility. ...
We present in the next section an alternative solution based on temporal distortion and analyse the pros and cons of each approach in the rest of the paper.
IV. ...
doi:10.1109/trustcom.2015.417
dblp:conf/trustcom/PrimaultMLB15
fatcat:25nza5ovq5d7zjfeen5rf2d45e
Total Harmonic Distortion Decomposition Depending on Distortion Origin
2005
IEEE Transactions on Power Delivery
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In this paper, a decomposition of the THD will be presented in order to determine the responsibility of the distribution company and the electrical energy consumer for the harmonic distortion measured ...
The total harmonic distortion (THD) ratio is a wellknown parameter that characterizes the distortion degree at a specific point of the grid. ...
THD Decomposition In order to illustrate and evaluate the approach proposed in Section III, similar tests to those discussed above were performed, with the objective being to verify the THD decomposition ...
doi:10.1109/tpwrd.2005.852389
fatcat:6eof4vclorg4vcf532lddw3cfa
Minimization of total harmonic distortions of cascaded H-bridge multilevel inverter by utilizing bio inspired AI algorithm
2020
EURASIP Journal on Wireless Communications and Networking
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Minimizing total harmonic distortion (THD) with less system complexity and computation time is a stringent constraint for many power systems. ...
The results reveal that THD has been reduced from 17.88 to 16.74% while third and fifth harmonics have been reduced from 3.24%, 3.7% to 0.84% and 3.3%, respectively. ...
Internet of things (IoT) aims to utilize energy efficiently by using different technologies and make it possible for people to live on a green planet [32] . ...
doi:10.1186/s13638-020-01686-5
fatcat:t266sm7ugjfg3io5rafzqxfipm
An information distortion model of social class differences in math self-concept, intrinsic value, and utility value
2018
Journal of Educational Psychology
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In this paper, we develop an information distortion model (IDM) of social class differences in self-beliefs and values. ...
We suggest that the very educational structures that give rise to selfconcept and task value advantage for poorer children simultaneously restrict the possibility of their using this advantage to their ...
In this paper, we developed an information distortion index (IDI; see also Murphy & Weinhardt, 2014 for an example of a similar approach). ...
doi:10.1037/edu0000215
fatcat:x6y5wy4r5ffdxjj7ogdwvfyxay
Rate Distortion Characteristic Modeling for Neural Image Compression
[article]
2022
arXiv
pre-print
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2021 pre-print arXiv:2106.12954v1 fatcat:2gmx32lhlnbwzd7a67xxaicd6q
Furthermore, we model the rate and distortion characteristic of NIC as a function of the coding parameter λ respectively. ...
Our experiments show our proposed method is easy to adopt and realizes state-of-the-art continuous bit-rate coding performance, which implies that our approach would benefit the practical deployment of ...
Authors in et al. utilizes a game theory approach to allocate coding tree unit level bit allocation and optimize for perceptual quality in HEVC [29] . ...
arXiv:2106.12954v2
fatcat:ag3ljehronar7kldwfugadot6a
Transportation Market Distortions
2011
Berkeley Planning Journal
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Although these distortions may individually appear modest and justifi ed, their impacts are cumulative and synergistic, leading to economically excessive motor vehicle use. ...
This report examines these distortions and their implications for transport planning. ...
of motorized trips (for example, a bike-bus-walk trip is oft en coded simply as a bus trip, and an auto-walk trip is coded as an auto trip, even if the nonmotorized link involved takes more time than ...
doi:10.5070/bp319111487
fatcat:6mfygnm4lfdwfnfzaohc6tibnm
Modulated Acquisition of Spatial Distortion Maps
2013
Sensors
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By applying a pseudo-random code modulation to sequential acquisition of projected patterns the impact of environmental factors such as ambient light and mutual interference is significantly reduced. ...
This work discusses a novel approach to image acquisition which improves the robustness of captured data required for 3D range measurements. ...
An innovative approach to acquisition of projected patterns has been proposed and its performance evaluation has been presented in the paper. ...
doi:10.3390/s130811069
pmid:23966196
pmcid:PMC3812642
fatcat:vroyk4uv45e7fkkg5deykbahhu
Network Control: A Rate-Distortion Perspective
[article]
2011
arXiv
pre-print
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Therefore, first, this paper develops a framework for network control that incorporates both source-rate and source-distortion. ...
Next, it decomposes the network control problem into an application-layer compression control, a transport-layer congestion control and a network-layer scheduling. ...
To incorporate the source-coding parameters, it is natural to utilize rate-distortion functions of sources studied in information theory [10] . ...
arXiv:1008.0044v2
fatcat:zgldu5cnb5ehxmgihzowj3ddhm
Prospect Theory as Efficient Perceptual Distortion
2012
The American Economic Review
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In rational choice theory, individuals are assumed always to choose the option that will provide them maximum utility. ...
to which they are adapted, subject to a limit on processing capacity. ...
Let us consider in particular the relation between the objective luminance of an object in one's field of vision (i.e., the amount of light actually reflected to the eye from it) and the subjective perception ...
doi:10.1257/aer.102.3.41
fatcat:gwnepjfmc5db5hcaiulmlqe2rm
GPS Information and Rate Tolerance - Clarifying Relationship between Rate Distortion and Complexity Distortion
[article]
2012
arXiv
pre-print
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The paper uses GPS as an example to derive generalized information formulae and proves the above conclusions using mathematical analyses and a coding example. ...
I proposed rate tolerance and discussed its relation to rate distortion in my book "A Generalized Information Theory" published in 1993. ...
We assume that the possible actual positions of an object surrounding the pointed position by a GPS are normally distributed. ...
arXiv:1204.3752v1
fatcat:izctzlqppjfdpmmths37bm46fa
Video Compression With Rate-Distortion Autoencoders
[article]
2019
arXiv
pre-print
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We employ a model that consists of a 3D autoencoder with a discrete latent space and an autoregressive prior used for entropy coding. ...
Both autoencoder and prior are trained jointly to minimize a rate-distortion loss, which is closely related to the ELBO used in variational autoencoders. ...
Despite its simplicity, the model outperforms all methods to which a direct comparison is possible, including substantially more complicated approaches. ...
arXiv:1908.05717v2
fatcat:ntnd7l5b3ze73ogdxcajck65cy
Visual Analysis Motivated Rate-Distortion Model for Image Coding
[article]
2021
arXiv
pre-print
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, object detection, and semantic segmentation. ...
After an in-depth analysis of multiple distortion models, a visual analysis friendly distortion criteria is subsequently proposed by extracting deep feature of each coding unit (CU). ...
analysis, VGG-11 without last pooling and fully connected layer is adopted and utilized as our distortion measurement in the proposed approach. • To deal with lacking spatial context information, a multiscale ...
arXiv:2104.10315v1
fatcat:aygp5evp55gchltgoqjpgyynnm
On Distributed Distortion Optimization for Correlated Sources
2007
2007 IEEE International Symposium on Information Theory
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Our distributed optimization framework applies to unicast and multicast with and without network coding. ...
The algorithm is developed for the case of squared error distortion and high resolution coding where the rate distortion region is known, and is easily extended to consider achievable regions that can ...
In [9] , [10] , rate control for multicast with network coding has been studied for elastic traffic, with an aggregate utility maximization objective. ...
doi:10.1109/isit.2007.4557631
dblp:conf/isit/CuiH007
fatcat:lggwznwkznahbay5ayde6enpnm
Rate-Distortion Auto-Encoders
[article]
2014
arXiv
pre-print
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Here, we propose a learning algorithm for auto-encoders based on a rate-distortion objective that minimizes the mutual information between the inputs and the outputs of the auto-encoder subject to a fidelity ...
Experiments using over-complete bases show that the rate-distortion auto-encoders can learn a regularized input-output mapping in an implicit manner. ...
Conclusions We presented an algorithm for auto-encoders based on a rate-distortion objective that tries to minimize the mutual information between the inputs and outputs subject to a fidelity constraint ...
arXiv:1312.7381v2
fatcat:6wqwv2sqlnagji33adup2t2ggu
Rate Distortion Functions and Rate Distortion Function Lower Bounds for Real-World Sources
2017
Entropy
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However, unlike the case of an i.i.d. Gaussian source subject to the mean squared error distortion measure, we do not have the rate distortion functions for voice and video set in stone. ...
to be per realization of the source sequence rather than an average model over many different realizations. ...
Acknowledgments: Ying-Yi Li calculated the small distortion lower bounds for speech in Figures 4-7 . ...
doi:10.3390/e19110604
fatcat:yy5zfsjkhjddteiuvgczxx43hu
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