Eigenanalysis of digital images in the Fourier domain: construction of prototypes for high-resolution human chromosomes

1990 ◽  
Author(s):  
Zeljko Jericevic ◽  
Loris McGavran ◽  
Louis C. Smith
Keyword(s):  
High Resolution ◽  
Digital Images ◽  
Fourier Domain ◽  
Human Chromosomes

High resolution analysis and differential condensation in RBA-banded human chromosomes

1981 ◽  
Vol 59 (3) ◽  
Author(s):  
E. Schollmayer ◽  
D. Sch�fer ◽  
B. Frisch ◽  
E. Schleiermacher
Keyword(s):  
High Resolution ◽  
Human Chromosomes ◽  
High Resolution Analysis ◽  
Resolution Analysis

High resolution of human chromosomes

Science ◽  
1976 ◽  
Vol 191 (4233) ◽  
pp. 1268-1270 ◽  
Author(s):  
J. Yunis
Keyword(s):  
High Resolution ◽  
Human Chromosomes

A revision of the Western Australian endemic humicolous beetle genus Tympallopatrum Perkins (Coleoptera: Hydraenidae)

Zootaxa ◽  
2004 ◽  
Vol 672 (1) ◽  
pp. 1 ◽  
Author(s):  
PHILIP D. PERKINS
Keyword(s):  
New Species ◽  
High Resolution ◽  
Male Genitalia ◽  
National Park ◽  
Digital Images ◽  
Online Version ◽  
Geographic Distributions ◽  
Three New Species ◽  
Western Australian

The Western Australian endemic humicolous beetle genus Tympallopatrum Perkins is revised. A key to the four known species is given. Three new species are described: T. aureolum (12 km W. Walpole, Walpole National Park, Mt. Clare), T. callosum (Beedelup National Park, 20 km W. Pemberton), and T. curvicostum (Porongurup National Park, Bolganup Creek). These rare, markedly sculptured beetles were collected from litter and/or fungi, or by pyrethrin fogging of bark, usually near streams or moist habitats. High resolution digital images of the holotypes are presented (online version in color), male genitalia are illustrated, and geographic distributions are mapped.

New synonyms and a new name in Asteraceae: Senecioneae from the southern African winter rainfall region

Bothalia ◽  
2010 ◽  
Vol 40 (1) ◽  
pp. 37-46
Author(s):  
J. C. Manning ◽  
P. Goldblatt
Keyword(s):  
High Resolution ◽  
Digital Images ◽  
Taxonomic Status ◽  
Herbarium Specimens ◽  
Winter Rainfall ◽  
New Name ◽  
New Synonyms ◽  
Rainfall Region

A review of the genera Othonna and Senecio undertaken for the forthcoming Greater Cape plants 2: Namaqualand-southern Namib and western Karoo (Manning in prep.) led to a re-examination of the taxonomic status of several species. This was facilitated by the recent availability of high-resolution digital images on the Aluka website (www.aluka.org) of the Drege isotypes in the Paris Herbarium that formed the basis of many species described by De Candolle in his Prodromus systematis naturalis regni vegetabilis. These images made it possible to identify several names whose application had remained uncertain until now. Each case is briefly discussed, with citation of additional relevant herbarium specimens. The following species are reduced to synonomy: O. incisa Harv. is included in O. rosea Harv.; O. spektakelensis Compton and O. zeyheri Sond. ex Harv. are included in O. retrorsa DC.; S. maydae Merxm. is included in S. albopunctatus Bolus, which is now considered to include forms with radiate and discoid capitula; S. cakilefolius DC. is included in  O. arenarius Thunb.; S. pearsonii Hutch, is included in O. aspertdus DC.; S. parvifolius DC. is included in S. carroensis DC.; S. eriobasis DC. is included in S. erosus L.f.; and S. lobelioides DC. is included in S. flavus (Decne.) Sch.Bip. The name S. panduratus (Thunb.) Less, is identified as a synonym of S. erosus L.f. and plants that are currently know n under this name should be called S. robertiifolius DC. The confusion in the application o f the names O. perfoliata (L.f.) Jacq. and O. filicaulis Jacq. is examined. O. perfoliata is lecto- typified against a specimen in the Linnaean Herbarium (LINN)  w ith radiate capitula. The name O. filicaulis correctly applies to a radiate species and is treated as a synonym of O. perfoliata. The vegetatively similar taxon with disciform capitula that is currently known as O. filicaulis should be known as ()  undulosa (DC.) J.C.Manning  Goldblatt, comb. nov. The new name O. daucifolia J.C.Manning Goldblatt is provided to replace the later homonym O. abrotanifolia (Harv.) Druce.

Type designations for Neotropical water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)

Zootaxa ◽  
2019 ◽  
Vol 4701 (2) ◽  
pp. 149-167 ◽  
Author(s):  
PHILIP D. PERKINS
Keyword(s):  
High Resolution ◽  
Male Genitalia ◽  
Digital Images ◽  
Junior Synonym ◽  
Strong Type ◽  
Water Beetles

Lectotypes are designated for the following species of Neotropical Hydrochus Leach, 1817: H. argutus Knisch, H. corruscans Bruch, H. drakei Knisch, H. ducalis Knisch, H. metallipes Knisch, H. pumilio Knisch, H. purpureus Knisch, H. secretus Knisch, and H. variabilis Knisch. A neotype is designated for H. tarsalis Chevrolat. Hydrochus metallipes is a new junior synonym of H. tarsalis. Hydrochus corruscans new status is removed from synonymy with H. obscurus Sharp. High resolution digital images of the habitus and male genitalia are given, as are photographs of the pin labels of all designated types. 

Boundary Layer Detection Techniques Applied to Edge Detection

2019 ◽  
Vol 19 (02) ◽  
pp. 1950010 ◽  
Author(s):  
Fernando O. Guillén-Reyes ◽  
Francisco J. Domínguez-Mota
Keyword(s):  
Boundary Layer ◽  
High Resolution ◽  
Edge Detection ◽  
Digital Image ◽  
Execution Time ◽  
Digital Images ◽  
Intensity Function ◽  
Detection Techniques ◽  
Novel Algorithm

In this paper, we describe a novel algorithm for edge detection on a digital image, which is based locally on the directional averaged gradient properties of the intensity function, and produces very satisfactory results in high-resolution digital images in low execution time. Several examples show results which are comparable to those obtained by Canny and Sobel methods.

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