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Variational Prototype Replays for Continual Learning [article]

Mengmi Zhang, Tao Wang, Joo Hwee Lim, Gabriel Kreiman, Jiashi Feng
2020 arXiv   pre-print
In this work, we consider few-shot continual learning in classification tasks, and we propose a novel method, Variational Prototype Replays, that efficiently consolidates and recalls previous knowledge  ...  Continual learning refers to the ability to acquire and transfer knowledge without catastrophically forgetting what was previously learned.  ...  In this paper, we propose a method that we call Variational Prototype Replays, for continual learning in classification tasks.  ... 
arXiv:1905.09447v3 fatcat:lcmcsfbulfg3va4arp5bh4f2im

Continual Prototype Evolution: Learning Online from Non-Stationary Data Streams [article]

Matthias De Lange, Tinne Tuytelaars
2021 arXiv   pre-print
As a first, we introduce a system addressing both problems, where prototypes evolve continually in a shared latent space, enabling learning and prediction at any point in time.  ...  Attaining prototypical features to represent class distributions is well established in representation learning.  ...  merits of the PPP-loss and continually evolving prototypes.  ... 
arXiv:2009.00919v4 fatcat:xcdrovmq7rgilf3hlin7j5tnqu

Prototypes-Guided Memory Replay for Continual Learning [article]

Stella Ho, Ming Liu, Lan Du, Longxiang Gao, Yong Xiang
2021 arXiv   pre-print
We devise a dynamic prototypes-guided memory replay module, incorporating it into an online meta-learning model.  ...  Continual learning (CL) refers to a machine learning paradigm that using only a small account of training samples and previously learned knowledge to enhance learning performance.  ...  It exhibits the improvement in sample selection, considering that PMR argmin continually adjusts its selection strategy via up-to-date prototypes.  ... 
arXiv:2108.12641v1 fatcat:l4z6szobqza75agijcj323uxaq

A Prototyping of Penile Tumescence Continuous Observation Device

Seiji Matsumoto, Yasuhito Takeuchi
2020 Advanced Biomedical Engineering  
In this study, we attempted to develop a wireless real-time continuous observation device for penile tumescence and/or stiffness for veri cation of nocturnal penile tumescence (NPT) and for diagnosis and  ...  Our prototype device was successfull in a feasibility test using a desktop model and in a simulated ex vivo test. Now, preparation for pre-clinical trial in healthy volunteer(s) is underway.  ...  The rst prototype unit First we made a proof-of-operation model unit as the rst prototype unit. Figure 2 shows a close-up view of the two-coil section of the soft silicone ring.  ... 
doi:10.14326/abe.9.167 fatcat:cddc44t45rhfdkxplb5a5dgzca

Speed measurements with a continuous wave lidar prototype

Constantino Munoz, Alejandro Rodriguez, Adolf Comeron, Oscar Batet, David Garcia, Francesc Rocadenbosch, Michael Sicard
2007 2007 IEEE International Geoscience and Remote Sensing Symposium  
A laboratory prototype, able to measure the speed of solid targets emitting continuous wave radiation and using a Fabry-Perot interferometer as optical filter, has been built.  ...  CONTINUOUS-WAVE SOLID-TARGET PROTOTYPE A.  ...  A prototype description, design calculations and several results are going to be presented. II.  ... 
doi:10.1109/igarss.2007.4423418 dblp:conf/igarss/MunozRCBGRS07 fatcat:2akbiwqslvbv3jhwhecjkyie2m

Informal prototyping of continuous graphical interactions by demonstration

Yang Li, James A. Landay
2006 ACM SIGGRAPH 2006 Sketches on - SIGGRAPH '06  
We built Monet, a sketch-based tool for prototyping continuous interactions by demonstration. In Monet, designers can prototype continuous widgets and their states of interest using examples.  ...  Informal prototyping tools have shown great potential in facilitating the early stage design of user interfaces.  ...  Informal Prototyping Monet as an informal UI prototyping tool focuses on continuous interactions.  ... 
doi:10.1145/1179849.1179858 dblp:conf/siggraph/LiL06 fatcat:5ykbt4tha5f2lbldntiltylmna

Prototype-Guided Continual Adaptation for Class-Incremental Unsupervised Domain Adaptation [article]

Hongbin Lin, Yifan Zhang, Zhen Qiu, Shuaicheng Niu, Chuang Gan, Yanxia Liu, Mingkui Tan
2022 arXiv   pre-print
To address this problem, we propose a novel Prototype-guided Continual Adaptation (ProCA) method, consisting of two solution strategies. 1) Label prototype identification: we identify target label prototypes  ...  by detecting shared classes with cumulative prediction probabilities of target samples. 2) Prototype-based alignment and replay: based on the identified label prototypes, we align both domains and enforce  ...  To better handle CI-UDA, we develop a new Prototype-guided Continual Adaptation (ProCA) method.  ... 
arXiv:2207.10856v2 fatcat:kvs4pdmr7zhdrb2xxbyqj3tcqa

Informal prototyping of continuous graphical interactions by demonstration

Yang Li, James A. Landay
2005 Proceedings of the 18th annual ACM symposium on User interface software and technology - UIST '05  
We built Monet, a sketch-based tool for prototyping continuous interactions by demonstration. In Monet, designers can prototype continuous widgets and their states of interest using examples.  ...  Informal prototyping tools have shown great potential in facilitating the early stage design of user interfaces.  ...  Informal Prototyping Monet as an informal UI prototyping tool focuses on continuous interactions.  ... 
doi:10.1145/1095034.1095071 dblp:conf/uist/LiL05 fatcat:rgkqmiu2tjatdjzu5tu5er3nzi

Transfer learning by prototype generation in continuous spaces

Enrique Munoz de Cote, Esteban O. Garcia, Eduardo F. Morales
2016 Adaptive Behavior  
The proposed approach uses Gaussian processes to learn a continuous multidimensional transition function, rendering the method capable of reasoning directly in continuous (states and actions) domains.  ...  Prototype generation is a well known technique commonly used in supervised learning to help reduce the number of samples needed to learn a task.  ...  On each episode, new knowledge (instances) is acquired and fewer prototypes are generated, so that on episode t there will be m À tn prototypes generated. If m < tn, no more prototypes are generated.  ... 
doi:10.1177/1059712316664570 fatcat:bldq4w5qtbhudledq34uy4tyay

Fast continuous collision detection and handling for desktop virtual prototyping

Stephane Redon
2004 Virtual Reality  
constraint-based dynamics algorithms allow to perform various virtual prototyping tasks intuitively, precisely and robustly on commodity desktop computers.  ...  We demonstrate that continuous collision detection algorithms are practical in interactive dynamics simulation of complex polyhedral rigid bodies and show how continuous collision detection and efficient  ...  We have discussed various shortcomings of discrete collision detection methods, especially in the context of virtual prototyping, and have described a continuous collision detection method based upon arbitrary  ... 
doi:10.1007/s10055-004-0138-9 fatcat:ahsgth4jlbehvc4wiglalc6n3e

Continuous liquid interface production (CLIP) method for rapid prototyping

Dilan Ezgi Düzgün, Krzysztof Nadolny
2018 Journal of Mechanical and Energy Engineering  
Continuous liquid interface production (CLIP) is an alternative approach to AM by exploiting the basic principle of oxygen-impaired photopolymerization to create a continuous fluid interface of uncured  ...  The strongest reasons for the use of rapid prototypes in manufacturing are the production of parts with a small quantity or a complex shape, the obtaining of lighter parts, the prevention of waste of raw  ...  INTRODUCTION Additive manufacturing is a rapid prototyping and formalization of terms commonly referred to as 3D printing.  ... 
doi:10.30464/jmee.2018.2.1.5 fatcat:lhtzjafmf5ayrfhxh3qubsyjpu

Prototype Web-based continuing medical education using FlashPix images

A Landman, Y Yagi, J Gilbertson, R Dawson, A Marchevsky, M J Becich
2000 Proceedings. AMIA Symposium  
Continuing Medical Education (CME) is a requirement among practicing physicians to promote continuous enhancement of clinical knowledge to reflect new developments in medical care.  ...  Using Microsoft Internet Explorer 4.0 and above, the working prototype Web-based CME environment is accessible at  ...  Cytoabove, the working prototype Web-based CME envi-technologists and cytopathologists are highly trained ronment is accessible at medical profes'sionals with continuing medical edu  ... 
pmid:11079926 pmcid:PMC2244070 fatcat:zuilvor5qnhwhcy3swxrsx3xeu

Graphene as a Prototypical Model for Two-Dimensional Continuous Mechanics

Philippe Lambin
2017 Applied Sciences  
This paper reviews a few problems where continuous-medium theory specialized to two-dimensional media provides a qualitatively correct picture of the mechanical behavior of graphene.  ...  The folded sheet forms a bilayer with continuous curved connection.  ...  The folding mechanism can be examined with a simple continuous-mechanical model [24, 26, [31] [32] [33] .  ... 
doi:10.3390/app7080830 fatcat:s3ueiwgi3rbq7l3dg6o5ypvlpq

Field test of a continuous-variable quantum key distribution prototype

S Fossier, E Diamanti, T Debuisschert, A Villing, R Tualle-Brouri, P Grangier
2009 New Journal of Physics  
We have designed and realized a prototype that implements a continuous-variable quantum key distribution protocol based on coherent states and reverse reconciliation.  ...  The performance of the prototype was tested over preinstalled optical fibres as part of a quantum cryptography network combining different quantum key distribution technologies.  ...  In particular, in the prototype that we have implemented, they first discretize their respective continuous data by dividing the Gaussian distribution of each quadrature in 16 slots, and attributing to  ... 
doi:10.1088/1367-2630/11/4/045023 fatcat:gjv2yyjzs5eqldknr3ifdx4o2q

Prototypical Metric Transfer Learning for Continuous Speech Keyword Spotting With Limited Training Data [article]

Harshita Seth, Pulkit Kumar, Muktabh Mayank Srivastava
2019 arXiv   pre-print
We address the limitations of simple keyword spotting baselines for both aforementioned challenges by using a novel combination of loss functions (Prototypical networks' loss and metric loss) and transfer  ...  Continuous Speech Keyword Spotting (CSKS) is the problem of spotting keywords in recorded conversations, when a small number of instances of keywords are available in training data.  ...  INTRODUCTION Continuous Speech Keyword Spotting (CSKS) aims to detect embedded keywords in audio recordings.  ... 
arXiv:1901.03860v1 fatcat:sgt7osyfsjfnplut42lqh64dsm
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