sitif110

In Computer Vision applications, objects can be discriminated based on their
shapes. This paper presents a method to discriminate objects based on their
shapes. The approach in this paper exploits Radon Transform and Gradient
to simplify shape descriptors or signatures from an image. The simplied signatures
are called GR-signatures. GR-signatures are used together with the
proposed metric to estimate percentage of rectangularity of a given object.
The percentage of rectangularity helps us to discriminate objects with low
eort. The experiment has shown that GR-signature gives accurate results
to measure rectangularity in comparison to approach proposed by Rosin [5].
The approach has low complexity and provides less sensitiveness to protrusions
and noise.

GR_signature (pdf, 487 KB)

Abstract. The Inertial Navigation System (INS) can be used indoor where GPS (Global Positioning System) signals are unavailable and it also can be used out-door. The INS can be applied in many applications such as finding and rescuing fire fighters, location-aware computing, and personal navigation assistance. The INS uses low-costs IMUs attached in a shoe to track a person position. The ex-periment has shown the total drift was 0.06 percent of the distance traveled.

Pedestrian-Tracking-with-Inertial-Sensors (pdf, 604 KB)

Abstract. The rising demands and increasing number of RFID applications for monitoring and tracking purposes invoke the need of their system performance improvement. Many languages for stream processing lack support for large slid-ing windows and lack constructs to address non-occurrences of events [2]. SASE can execute complex event queries over real time stream of RFID read-ing. With SASE, it is possible to handle 40,000 events per second for a highly complex query and support large sliding windows. Moreover, SASE is fast to implement. And, it can query filter and correlate events to match given patterns. It transforms the matched events to meaningful events for further uses. This pa-per gives an introduction to SASE, presents the experimental results based on [2], and describes the limitations of SASE.

High-Performance-Complex-Event-Processing-over-Streams (pdf, 604 KB)

Elastic load balancing is believed to be the key idea of controlling re-sources and costs in elastic could platforms [1]. The database system can be scaled up when the load is high, and be scaled down during low load to save costs. The paper presents Zephyr, the technique that can minimize service inter-ruption and with no downtime during the database migration.

Zephyr-Database-Live-Migration-in-Shared-Nothing (pdf, 179 KB)

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Finden eines Themas, Aufstellen der Arbeitshypothese, Charakterisierung des Zielpublikums, Zeitplan, 3 Exzerpte, Bibliographie, Breite, Tiefe, Stoffsammlung

RFID