We present a Shack-Hartmann (SH) centroid detection algorithm capable to measure in presence of strong noise, background illumination and spot modulating signals, which are typical limiting factors of traditional centroid detection algorithms. The proposed method is based on performing a normalization of the SH pattern using the spiral phase transform method and Fourier filtering. The spot cent...

Predation risk is often associated with group formation in prey, but recent advances in methods for analysing the social structure of animal societies make it possible to quantify the effects of risk on the complex dynamics of spatial and temporal organisation. In this paper we use social network analysis to investigate the impact of variation in predation risk on the social structure of guppy ...

The Jackson Development Methods are JSP (Jackson Structured Programming) and JSD (Jackson System Development). JSP is a method for designing programs as compositions of sequential processes; JSD is a method for specifying and designing systems whose application domain has a strong temporal flavour and contains objects whose behaviour is describable in terms of sequences of events. Many program ...

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This is in a sense true, and the writing of this article would have been easier had I had the privilege of knowing the great man. There are, however, three types of great men, in medicine. The first achieves his greatness during his life by his clinical work and by his kindness and skill in curing and alleviating the sufferings of large numbers of patients. The second, in addition to his clinic...

Although in the realm of artificial language it is possible to construct languages that do not comprise expressions that are at once both ambiguous and semantically legal, some artificial languages, and all natural languages, present ambiguous constructs that are nonetheless semantically legal expressions accepted by the language. We introduce the §-calculus (meta-S), a declarative adaptive par...

Between May 1986 and September 1990 a total of 43 patients with metastatic transitional cell carcinoma (TCC) of the urinary tract have been treated at our institution with combination chemotherapy (CMV) consisting of cisplatin 100mg m2 IV day 2; methotrexate 30mg m2 IV days 1,8; and vinblastine 4 mg m-2 IV days 1,8. Chemotherapy was recycled on day 22 and continued for a maximum of six cycles i...

“The escalating concern about resistance in C. rosaceana field populations has reinforced the need for continued resistance monitoring and identification of effective tools for integrated pest management programs.” The native North American pest, obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera: Tortricidae), is widely distributed and has a broad range of over 50 hosts, b...

severe aphid infestation (Wang et al., 1996). An additional threat posed by the aphid is its ability to transmit certain With an efficient greenhouse screening method, the first resistance plant viruses to soybean such as Alfalfa mosaic virus, Soyto the soybean aphid (Aphis glycines Matsumura) was found in cultivated soybean [Glycine max (L.) Merr.] germplasm. No resistance was bean dwarf virus...

We present new evidence on the effects of merit aid scholarship on residential migration and educational attainment using Census data on all 24 to 32 year olds in the U.S. from 1990 to 2010. Eligibility for merit aid programs slightly increases the propensity of state natives to live in-state, while also extending in-state enrollment into the late twenties. These patterns notwithstanding, the m...