搜索结果: 1-13 共查到“信息与通信工程 flow”相关记录13条 . 查询时间(0.062 秒)
针对当前基于软/硬件的流导出技术存在的数据失真、不易扩展等问题，本文提出一种准确、通用、易扩展的高速网络流量处理框架NTCI Flow。首先,基于PF_RING DNA实现了高性能的网络包抓取，采用基于网络包五元组的负载均衡策略对网络包进行分组分发，并利用批处理、无锁队列、多线程等技术将多个网络包封装为单条大消息并行发送，改进与优化网络包转发性能；然后,采用Kafka消息系统作为中间件接收并缓存网...
A Flow to Generate DEM and Segment Buildingin in Urban Areas from LIDAR Data
Lidar Fusion filter Digital elevation model Connected component labelling Mathematical morphology
2015/12/8
Based on the character of Lidar data，this paper presents a fusion arithmetic to abstract DEM，and presents a flow to get building data from the object data. Firstly, this paper preprocesses the range i...
Counter Braids: A Novel Counter Architecture for Per-Flow Measurement
Statistics Counters Network Measurement Message Pass- ing Algorithms
2015/8/21
Fine-grained network measurement requires routers and switches to update large arrays of counters at very high link speed (e.g. 40 Gbps). A naive algorithm needs an infeasible amount of SRAM to store ...
Gain Fixed Pattern Noise Correction via Optical Flow
Digital camera CMOS image sensor Fixed pattern noise (FPN) Optical fl ow estimation gain FPN CDS
2015/8/17
Fixed pattern noise (FPN) or nonuniformity caused by device and interconnect parameter variations across an image sensor is a major source of image quality degradation especially in CMOS image sensors...
Optical Flow estimation using high frame rate sequences
Optical Flow estimation high frame rate sequences
2015/8/17
Gradient-based optical flow estimation methods such as Lucas Kanade method work well for scenes with small dlsplacements but fail when objects move with large displacements. Hierarchical matching-base...
On Information Flow in Relay Networks.
Optical Flow Estimation Using Temporally Oversampled Video
Optical flow estimation Motion estimation High speed imaging CMOS image sensor Temporal oversampling
2015/8/12
Recent advances in imaging sensor technology make high frame rate video capture practical. As demonstrated in previous work, this capability can be used to enhance the performance of many image and vi...
Adaptive modulation with smoothed flow utility
A wireless connection data flow trade smooth data traffic application
2015/8/7
We consider the problem of choosing the data flow rate on a wireless link with randomly varying channel gain, to optimally trade off average transmit power and the average utility of the smoothed data...
Chromosome Segmentation and Investigations using Generalized Gradient Vector Flow Active Contours
Generalized Gradient Vector Flow Active Contours Deformable Curves Chromosome Boundary Mapping Characterization
2015/7/30
We investigated Generalized Gradient Vector Flow Active Contours as a suitable boundary mapping technique for Chromosome spread images which have variability in shape and size, expecting to yield a ro...
Phase Retrieval via Wirtinger Flow:Theory and Algorithms
Phase Retrieval Wirtinger Flow Theory Algorithms
2015/6/17
We study the problem of recovering the phase from magnitude measurements; specifically, we wish to reconstruct a complex-valued signal x ∈ Cn about which we have phaseless samples of the form yr = ∣&#...
DIGITAL ARCHIVING OF PEOPLE FLOW BY RECYCLING LARGE-SCALE SOCIAL SURVEY DATA OF DEVELOPING CITIES
Reconstruction of people flow Social survey data Large-scale spatio-temporal analysis
2014/4/25
Data on people flow has become increasingly important in the field of business, including the areas of marketing and public services. Although mobile phones enable a person's position to be located to...
Seamless Flow of Voluminous Data in High Speed Network without Congestion Using Feedback Mechanism
Bandwidth-Delay Product Congestion Control Congestion Window
2010/2/2
Continuously growing needs for Internet applications
that transmit massive amount of data have led to the emergence of
high speed network. Data transfer must take place without any
congestion and h...
Action Recognition in Broadcast Tennis Video Using Optical Flow and Support Vector Machine
Action Recognition Broadcast Tennis Video Optical Flow and Support Vector Machine
2010/12/16
Motion analysis in broadcast sports video is a challenging problem especially for player action recognition due to the low resolution of players in the frames. In this paper, we present a novel approa...