Photogrammetria最新文献

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Information content of high resolution satellite imagery 高分辨率卫星图像的信息内容
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90028-8
I.J. Dowman, G. Peacegood
{"title":"Information content of high resolution satellite imagery","authors":"I.J. Dowman,&nbsp;G. Peacegood","doi":"10.1016/0031-8663(89)90028-8","DOIUrl":"10.1016/0031-8663(89)90028-8","url":null,"abstract":"<div><p>A programme of work has been carried out at University College London with support from other mapping organisations in the UK to determine the amount of information which can be extracted from TM and SPOT in comparison with a variety of map scales, and in a variety of different types of area. Detailed plots from multispectral, panchromatic and stereo imagery have been compiled, and compared with available map data. The results from these experiments are presented.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90028-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84007912","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: 18
The benefit of remote sensing activities of the Joint Research Centre (JRC) in Europe and Africa 欧洲和非洲联合研究中心(联合研究中心)遥感活动的好处
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90029-X
J.P. Contzen
{"title":"The benefit of remote sensing activities of the Joint Research Centre (JRC) in Europe and Africa","authors":"J.P. Contzen","doi":"10.1016/0031-8663(89)90029-X","DOIUrl":"10.1016/0031-8663(89)90029-X","url":null,"abstract":"<div><p>The further development of remote sensing applications depends on an enhanced dialogue between those who master the technique of remote sensing and the ultimate users. A correct balance between the technology push and the market pull is not always easy to strike in this area. Within the Commission of the European Communities, services are working together on the one hand, on implementation of policies related to agriculture, environment, assistance to developing countries, regional development and raw materials and, on the other hand, on JRC research to promote new applications of remote sensing. These concerted efforts have led to successful results which clearly establish the benefits derived from each observation from space, for certain sectors of socio-economic relevance.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90029-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79121705","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
Contents volume 43 (1988/1989) 目录第43卷(1988/1989)
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90036-7
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引用次数: 0
Seminar and Workshop on photogrammetry and land information systems (LIS) 摄影测量及土地资讯系统研讨会及工作坊
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90032-X
Paul Newby
{"title":"Seminar and Workshop on photogrammetry and land information systems (LIS)","authors":"Paul Newby","doi":"10.1016/0031-8663(89)90032-X","DOIUrl":"10.1016/0031-8663(89)90032-X","url":null,"abstract":"","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90032-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89702729","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
Edge detection and processing of remotely sensed digital images 遥感数字图像的边缘检测与处理
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90030-6
S.H. Paine, G.D. Lodwick
{"title":"Edge detection and processing of remotely sensed digital images","authors":"S.H. Paine,&nbsp;G.D. Lodwick","doi":"10.1016/0031-8663(89)90030-6","DOIUrl":"10.1016/0031-8663(89)90030-6","url":null,"abstract":"<div><p>The traditional edge extraction process has five basic stages: smoothing, edge detection, thresholding, thinning and linking. All of these stages require different algorithms to carry out their functions, which have typically required artificial limits or constraints set by “heuristics”. This research has designed and implemented an automated technique for edge extraction that has consistent logic linking the various stages of detection and formation, in which artificial limits have been avoided. A wide range of filters and detectors were evaluated in both the spatial and frequency domains, as well as operators using both rate-of-change and orientation criteria. For smoothing, a minimum-variance filter produced the most accurate and reliable results. The best method of edge detection was identified as one of the derivative filters. For thinning and linking, the definition of an edge was most accurate if the orientation of the edge was the prime consideration. These methods produce results which efficiently extract edges for both boundaries and linear features, are relatively tolerant of noise in the data, and utilize a logical set of rules that can be adapted as the data dictate.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90030-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84877677","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: 8
A fast recursive method for repeated computation of reliability matrix QvvP 可靠性矩阵QvvP重复计算的快速递归方法
Photogrammetria Pub Date : 1989-08-01 DOI: 10.1016/0031-8663(89)90031-8
Shan Jie
{"title":"A fast recursive method for repeated computation of reliability matrix QvvP","authors":"Shan Jie","doi":"10.1016/0031-8663(89)90031-8","DOIUrl":"10.1016/0031-8663(89)90031-8","url":null,"abstract":"<div><p>In quality analysis, optimization design and blunder detection of many photogrammetric problems, repeated computation of reliability matrix <em>QvvP</em> is often required. In this paper, a new recursive method for repeated computation of <em>QvvP</em> is developed. From a test on a bundle block adjustment, it is shown that this new method posesses much higher computational efficiency than the conventional methods.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90031-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77733479","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: 3
GIS/LIS '88
Photogrammetria Pub Date : 1989-06-01 DOI: 10.1016/0031-8663(89)90004-5
R.G. Congalton
{"title":"GIS/LIS '88","authors":"R.G. Congalton","doi":"10.1016/0031-8663(89)90004-5","DOIUrl":"10.1016/0031-8663(89)90004-5","url":null,"abstract":"","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90004-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73691182","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
Optimization of imaging configuration 成像配置优化
Photogrammetria Pub Date : 1989-06-01 DOI: 10.1016/0031-8663(89)90003-3
Stephan Zinndorf
{"title":"Optimization of imaging configuration","authors":"Stephan Zinndorf","doi":"10.1016/0031-8663(89)90003-3","DOIUrl":"10.1016/0031-8663(89)90003-3","url":null,"abstract":"<div><p>In a bundle adjustment, the imaging configuration is an important factor in computing the accuracy of the object points. The theory of optimizing network configuration is applied to photogrammetry. For application to imaging, camera stations are shifted in order to improve the precision of object-point determination by improved intersections of rays. A criterion matrix is used as a target function in the optimization process. This matrix is constructed as an ideal covariance matrix that demands homogeneous and isotropic errors. The optimization process approximates the real covariance matrix of the network to the ideal criterion matrix by means of small shifts of the camera stations. The approximation is performed by a least-squares process which minimizes the discrepancies between the real covariance matrix of a given starting configuration, and an ideal, constructed criterion matrix.</p></div>","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90003-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82724759","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 UK-National Association of Aerial Photographic Libraries 英国国家航空摄影图书馆协会
Photogrammetria Pub Date : 1989-06-01 DOI: 10.1016/0031-8663(89)90006-9
{"title":"The UK-National Association of Aerial Photographic Libraries","authors":"","doi":"10.1016/0031-8663(89)90006-9","DOIUrl":"https://doi.org/10.1016/0031-8663(89)90006-9","url":null,"abstract":"","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90006-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137089543","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
11th International CIPA Symposium on Architectural Photogrammetry 第十一届国际建筑摄影测量学研讨会
Photogrammetria Pub Date : 1989-06-01 DOI: 10.1016/0031-8663(89)90005-7
P. Waldhäusl
{"title":"11th International CIPA Symposium on Architectural Photogrammetry","authors":"P. Waldhäusl","doi":"10.1016/0031-8663(89)90005-7","DOIUrl":"10.1016/0031-8663(89)90005-7","url":null,"abstract":"","PeriodicalId":101020,"journal":{"name":"Photogrammetria","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-8663(89)90005-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"99104945","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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