Micron and Microscopica Acta最新文献

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Many-parameter refinements from CBED pattern 来自CBED模式的多参数改进
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90106-N
Lars Nils Bakken, Knut Marthinsen, Ragnvald Høier, Randi Holmestad
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引用次数: 1
Feature extraction from three-dimensional images in quantitative microscopy 定量显微镜中三维图像的特征提取
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90022-6
Steven S.S. Poon , Rabab K. Ward , Branko Palcic
{"title":"Feature extraction from three-dimensional images in quantitative microscopy","authors":"Steven S.S. Poon ,&nbsp;Rabab K. Ward ,&nbsp;Branko Palcic","doi":"10.1016/0739-6260(92)90022-6","DOIUrl":"10.1016/0739-6260(92)90022-6","url":null,"abstract":"<div><p>Different methods are investigated in selecting and generating the appropriate microscope images for analysis of three-dimensional objects in quantitative microscopy. Traditionally, the ‘best’ focused image from a set is used for quantitative analysis. Such an objectively determined image is optimal for the extraction of some features, but may not be the best image for the extraction of all features. Various methods using multiple images are here developed to obtain a tighter distribution for all features.</p><p>Three different approaches for analysis of images of stained cervical cells were analyzed. In the first approach, features are extracted from each image in the set. The feature values are then averaged to give the final result. In the second approach, a set of varying focused images are reconstructed to obtain a set of in-focus images. Features are then extracted from this set and averaged. In the third approach, a set of images in the three-dimensional scene is compressed into a single two-dimensional image. Four different compression methods are used. Features are then extracted from the resulting two-dimensional image. The third approach is employed on both the raw and transformed images.</p><p>Each approach has its advantages and disadvantages. The first approach is fast and produces reasonable results. The second approach is more computationally expensive but produces the best results. The last approach overcomes the memory storage problem of the first two approaches since the set of images is compressed into one. The method of compression using the highest gradient pixel produces better results overall than other data reduction techniques and produces results comparable to the first approach.</p></div>","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 4","pages":"Pages 481-489"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90022-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77901758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Limitations on cell volume determination using three-dimensional optical microscopy 三维光学显微镜测定细胞体积的局限性
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90023-7
D.F. Abbott, K.A. Nugent
{"title":"Limitations on cell volume determination using three-dimensional optical microscopy","authors":"D.F. Abbott,&nbsp;K.A. Nugent","doi":"10.1016/0739-6260(92)90023-7","DOIUrl":"10.1016/0739-6260(92)90023-7","url":null,"abstract":"<div><p>One important application for three-dimensional microscopy is the determination of the volumes of biological cells. In this paper we investigate the application of three-dimensional deconvolution techniques to the problem of cell volume determination. The theoretical discussion is based on a Fourier sampling condition for reliable image reconstruction and it is shown, using this condition and simulated images, that the cell volume determination is reliable only for cells with a shape and orientation such that their length along the optic axis is much greater than their width.</p></div>","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 4","pages":"Pages 491-500"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90023-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90865803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
HREM study of zeolite Na-Y Na-Y沸石的HREM研究
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90104-L
Viveka Alfredsson
{"title":"HREM study of zeolite Na-Y","authors":"Viveka Alfredsson","doi":"10.1016/0739-6260(92)90104-L","DOIUrl":"10.1016/0739-6260(92)90104-L","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 1","pages":"Pages 133-134"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90104-L","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80809681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
High-resolution imaging with a coherent electron source: The field emission gun 具有相干电子源的高分辨率成像:场发射枪
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90112-Q
Judith M. Brock , Max T. Otten , Wim M. Coene
{"title":"High-resolution imaging with a coherent electron source: The field emission gun","authors":"Judith M. Brock ,&nbsp;Max T. Otten ,&nbsp;Wim M. Coene","doi":"10.1016/0739-6260(92)90112-Q","DOIUrl":"10.1016/0739-6260(92)90112-Q","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 1","pages":"Pages 149-150"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90112-Q","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74755970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Freeze-drying and cryosputtering with tungsten or niobium for high resolution scanning electron microscopy 用于高分辨率扫描电子显微镜的钨或铌冷冻干燥和低温溅射
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90080-W
Bengt-Arne Fredriksson, Margaretha Lindroth
{"title":"Freeze-drying and cryosputtering with tungsten or niobium for high resolution scanning electron microscopy","authors":"Bengt-Arne Fredriksson,&nbsp;Margaretha Lindroth","doi":"10.1016/0739-6260(92)90080-W","DOIUrl":"10.1016/0739-6260(92)90080-W","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 1","pages":"Pages 83-84"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90080-W","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73773279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
X-raymicroanalysis: Comparison of mineral deposits in Alzheimer's disease and control tissue using TEM x射线显微分析:用透射电镜比较阿尔茨海默病和对照组织的矿物质沉积
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90057-K
S.K. Shinghrao , J.W. Neal , G. Cole , G.R. Newman
{"title":"X-raymicroanalysis: Comparison of mineral deposits in Alzheimer's disease and control tissue using TEM","authors":"S.K. Shinghrao ,&nbsp;J.W. Neal ,&nbsp;G. Cole ,&nbsp;G.R. Newman","doi":"10.1016/0739-6260(92)90057-K","DOIUrl":"10.1016/0739-6260(92)90057-K","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 3","pages":"Pages 385-386"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90057-K","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77163413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electron microscopy study of some Ni-S phases Ni-S相的电镜研究
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90126-X
Vidar Hansen , Helene Seim , Helmer Fjellvåg , Arne Olsen
{"title":"Electron microscopy study of some Ni-S phases","authors":"Vidar Hansen ,&nbsp;Helene Seim ,&nbsp;Helmer Fjellvåg ,&nbsp;Arne Olsen","doi":"10.1016/0739-6260(92)90126-X","DOIUrl":"10.1016/0739-6260(92)90126-X","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 1","pages":"Pages 177-178"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90126-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83714204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SEM-EDXA characterisation of metal impregnated cuticle 金属浸渍角质层SEM-EDXA表征
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90058-L
Simon A. Smith , Paul Wyeth , Julian F.V. Vincent
{"title":"SEM-EDXA characterisation of metal impregnated cuticle","authors":"Simon A. Smith ,&nbsp;Paul Wyeth ,&nbsp;Julian F.V. Vincent","doi":"10.1016/0739-6260(92)90058-L","DOIUrl":"10.1016/0739-6260(92)90058-L","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 3","pages":"Pages 387-388"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90058-L","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91536405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
The benefits of real time spectrum processing in quantitative X-ray microanalysis 实时光谱处理在定量x射线微量分析中的好处
Micron and Microscopica Acta Pub Date : 1992-01-01 Epub Date: 2002-10-09 DOI: 10.1016/0739-6260(92)90061-H
Janet Wood
{"title":"The benefits of real time spectrum processing in quantitative X-ray microanalysis","authors":"Janet Wood","doi":"10.1016/0739-6260(92)90061-H","DOIUrl":"10.1016/0739-6260(92)90061-H","url":null,"abstract":"","PeriodicalId":100925,"journal":{"name":"Micron and Microscopica Acta","volume":"23 3","pages":"Pages 393-394"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0739-6260(92)90061-H","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76894792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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