Using functional MRI (FMRI), researchers found that this system encodes prediction error when participants made prediction.
通过功能核磁共振成像,研究人员发现中脑多巴胺系统在参与者进行预测时,对预测误差进行了编码。
"Learning seems to rely on prediction error because if the world is exactly as you expected it to be, there is nothing new to learn," Poldrack said.
“学习似乎依赖于预测错误,因为如果这个世界和你预测的一样,那就没什么新东西可学了,”Poldrack说。
A new algorithm for adaptive prediction error filter is presented.
本文提出一种自适应预测滤波器的新算法。
The prediction error is within 5% through experimental verification.
经实验验证,预测误差小于5%。
The Storm-surge error range due to the tidal hour and tidal level prediction error is discussed.
本文讨论了由于天文潮潮高和潮时的预报误差可能引起的风暴潮增水值的误差范围;
It presents a new method on reducing additive white noise in speech signal using linear prediction error.
在此提出一种利用线性预测误差去除语音中的加性白噪声的方法。
The computation formulas for the prediction error covariance matrix between any two subsystems are given.
同时给出了任两个传感器之间的预报误差协方差阵的计算公式。
The average prediction error by this model is 0.959% for the refractive index of 95 amorphous homopolymers.
由该模型对95个聚合物的折光率进行预测,平均相对误差为0.959%。
The detection algorithm based on chaotic prediction error is used to detect objects under a chaotic background.
基于混沌预测误差的目标检测算法是检测混沌背景下目标的算法。
This algorithm USES the prediction error threshold to retain the useful information to decrease sample training scale.
该算法利用预测误差阈值进行样本的取舍,在尽量保留有用信息的情况下减小样本训练规模。
The prediction error correction is based on time series analysis, parameters estimation and optimum prediction principle.
预报误差校正是基于时间序列分析、参数估计和最优预报原理形成的。
Through comparing their sums of squared error, it was concluded that prediction error algorithm-based OE model has the best precision.
通过误差平方和的比较,确定利用基于输出误差(OE)模型的预报误差法所建立的模型的精度最高。
Experiments prove that the optimized network converges more quickly and accurately. The relative prediction error precisions are all below 6%.
经过试验验证优化后的网络不仅收敛速度快、精度得到极大提高,而且网络预测相对误差精度都在6%以下。
The results show that the useful forecast effectiveness can reach 5-6 days. The prediction error range is much less than that of the T42 model.
结果表明,T63模式产品的可用预报时效可达5—6天,其预报误差幅度比T 42明显减小。
A new approach to FMCW radar detection of velocity deception jamming based on adaptive linear prediction error filter is described in this paper.
针对调频连续波(FMCW)雷达,提出了采用自适应线性预测滤波预处理实现速度欺骗干扰的检测。
The result indicated that the model's short-term prediction error is controlled with 5%, which conforms with the financial appraisal requirements.
预测结果表明,模型的近期预测误差控制在5%以内,完全符合财务评价要求。
The structure of a partially connected feed forward neural network and the training algorithm based on the recursive prediction error are constructed.
构造了局部连接的前馈神经网络的结构和基于递推预报误差的网络训练算法;
The prediction error can be decreased, incorporating with high accuracy estimation and compensation, and the quality of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差,提高压缩视频图像的质量。
The prediction error can be decreased by incorporating high accuracy estimation and compensation, and the performance of compressed video can be improved.
高精度的匹配和补偿可以减少预测误差,提高视频图像的压缩效果。
Aiming at the problem, the detection result based on chaotic prediction error is modified. The modified result is much closer to the real size of a target.
针对这个问题,对基于混沌预测误差的目标检测结果进行了修正,修正后的结果更接近于目标的真实大小。
A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture.
传输当前块的预测误差信号和运动向量,这描述了参考画面中预测器块位置。
This paper proposed a reversible data hiding algorithm for color images based on prediction error difference expansion and Least Significant Bit (LSB) replacement.
将差值扩展技术应用于彩色图像,提出一种基于预测误差差值扩展和最低有效位(LSB)替换的彩色图像可逆数据隐藏算法。
Simulation was made in tracking system using real data. It turned out that the improved EPF is available and effective, which can also decrease the prediction error.
同时采用实际目标跟踪数据进行仿真对比实验,结果验证了此方法有效可行,并且减小了预测误差。
However, nonlinear group contribution method can provide a superior fit to biodegradation and produce a lower prediction error than the linear group contribution method.
预测结果表明线性和非线性基团贡献法的预测效果都很好,相比而言,非线性方法对生物降解性的预测更准确。
The standard error of prediction (% SEP), the mean prediction error (MPE) and the mean relative error (MRE) were utilized to evaluate the prediction ability of the BP-ANN.
用标准预测误差(%SEP),平均预测误差(MPE)和平均相对误差(MRE)来评价其预测能力。
In simulation, with the same number of parameters, the new algorithm gets better approximation precision and less prediction error than those of the hinge-finding algorithm.
仿真实验表明,在参数个数相同的情况下,使用新模型的逼近算法在逼近精度与预测误差两方面都优于使用原模型。
Probabilistic principal component analysis (PPCA) can realize the process monitoring (according) to the whiten values of process variables' prediction error and their scores.
概率主元分析(PPCA)能够根据过程变量的预测误差及其主元的白化值实现对过程的监控。
Simulations show an enhanced performance on both one step prediction error and maximum attempted time, which outperforms the linear prediction and some existing adaptive ones.
数值仿真表明,以之为基础的自适应预测算法在一步预测性能和长期预测能力方面都优于常用的线性预测方法和已有的自适应预测算法。
A cost function is presented, and by applying Gaussian-Newton type recursive prediction error based method, a stable and efficient online frequency estimation algorithm is derived.
在此基础上,建立了最小方差损失函数,并结合高斯·牛顿预测误差方法,提出了稳定的,高性能的,在线的复频率直接估计算法。
The invention utilizes the relevancy among the video picture frames to dynamically adjust the channel bandwidth and can reduce prediction error and allocate channel more correctly.
本发明利用视频画面帧间的相关度来动态调整信道带宽,能够减少预测误差,使信道分配更准确。
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