搜索结果: 1-15 共查到“计算机科学技术 Coding”相关记录68条 . 查询时间(0.109 秒)
Coding for health equity（图）
医疗保健 编码 计算机科学
2023/6/5
Choosing a major was a long process for Mercy Oladipo. Coming into MIT, she was interested in both computer science and medicine, but a plan for how those passions would intersect took some time to co...
Source Coding With Limited-Look-Ahead Side Information at the Decoder
Causal source codes delay-constrained coding Gel’fand–Pinsker channel rate distortion function Slepian–Wolf coding Wyner–Ziv coding
2015/8/12
We characterize the rate distortion function for the source coding with decoder side information setting when the ith reconstruction symbol is allowed to depend only on the first i + `side information...
Noisy Network Coding
Compress-forward discrete memoryless network Gaussian network interference relay channel network coding noisy network coding relaying two-way relay channel
2015/8/12
A noisy network coding scheme for communicating messages between multiple sources and destinations over a general noisy network is presented. For multi-message multicast networks, the scheme naturally...
An Efficient Feedback Coding Scheme With Low Error Probability for Discrete Memoryless Channels
Feedback discrete memoryless channel error exponent
2015/8/12
Existing fixed-length feedback communication schemes are either specialized to particular channels (Schalkwijk–Kailath, Horstein), or apply to general channels but either have high coding complexity (...
A two-layer sparse coding model learns simple and complex cell receptive fields and topography from natural images
Independent component analysis Natural images Neural networks Spatial vision
2015/8/10
The classical receptive fields of simple cells in the visual cortex have been shown to emerge from the statistical properties of natural images by forcing the cell responses to be maximally sparse, i....
Homomorphic MACs: MAC-Based Integrity for Network Coding
Network Coding MAC-Based Integrity
2015/8/5
Network coding has been shown to improve the capacity and robustness in networks. However, since intermediate nodes modify packets en-route, integrity of data cannot be checked using traditional MACs ...
Preventing pollution attacks in multi-source network coding
multi-source network coding pollution attacks
2015/8/5
Network coding is a method for achieving channel capacity in networks. The key idea is to allow network routers to linearly mix packets as they traverse the network so that recipients receive linear c...
Signing a Linear Subspace: Signature Schemes for Network Coding
Network Coding Signature Schemes
2015/8/5
Network coding offers increased throughput and improved robustness to random faults in completely decentralized networks. In contrast to traditional routing schemes, however, network coding requires i...
Predictive Coding as a Model of Biased Competition in Visual Attention
neural networks cortical circuits cortical feedback attention binding problem
2015/7/29
Attention acts, through cortical feedback pathways, to enhance the response of cells encoding expected or predicted information. Such observations are inconsistent with the predictive coding theory of...
A Quantitative Neural Coding Model of Sensory Memory
neural coding sensory memory synaptic plasticity lateral competition
2015/6/10
The coding mechanism of sensory memory on the neuron scale is one of the most important questions in neuroscience. We have put forward a quantitative neural network model, which is self-organized, sel...
That’s the idea behind ScratchJr, a free iPad app released this week by researchers at the MIT Media Lab, Tufts University, and Playful Invention Company (PICO).
支持合并的自适应tile coding算法
强化学习 自适应 tile coding
2015/3/1
针对自适应tile coding算法会产生多余划分的问题，提出一种支持合并的自适应tile coding算法——MATC。该算法能够消除传统自适应tile coding算法中产生的多余划分，进一步解决连续状态空间离散化的问题。将MATC算法应用于离散动作连续状态的Mountain Car问题上，实验结果表明，该算法在学习过程中能消除传统tile coding算法的误划分所产生的不良影响，更准确地自...
Non-coherent Network Coding:An Arbitrarily Varying Channel Approach
Non-coherent Network Coding Arbitrarily Varying Approach
2012/12/4
In this paper, we propose an “arbitrarily varying channel” (AVC) approach to study the capacity of noncoherent transmission in a network that employs randomized linear network coding. The network oper...
Sparse coding for multitask and transfer learning
Sparse coding multitask transfer learning
2012/11/23
We present an extension of sparse coding to the problems of multitask and transfer learning. The central assumption of the method is that the tasks parameters are well approximated by sparse linear co...
Witsenhausen–Wyner Video Coding
Distributed video coding error resilience syndrome coding.
2013/7/24
Inspired by Witsenhausen and Wyner’s 1980 (nowexpired) patent on “interframe coder for video signals,” thispaper presents a Witsenhausen–Wyner video codec, where themotion-compensated previously decod...