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  • 1
    Electronic Resource
    Electronic Resource
    Progress in the Development of a High Performance Airborne Digital Sensor (2000)
    Oxford UK and Boston, USA : Blackwell Publishers Ltd.
    The @photogrammetric record 16 (2000), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Joint development work by LH Systems and Deutsches Zentrum für Luft- und Raumfahrt (German Aerospace Center) has produced encouraging results using forward, nadir and backward looking linear arrays on the focal plane to provide panchromatic imagery and geometric information, supplemented by further arrays to acquire multispectral imagery suitable for both high precision photogrammetric mapping and image processing for interpretative purposes. The geometric characteristics of line scanner imagery necessitate line-by-line rectification for aircraft tilts and shifts. Satisfactory execution of this process is enhanced by using supplementary data from high performance, on-board GPS and inertial measurement systems. Similarly, high demands are placed on other sub-systems, such as the camera mount, lens, electronics and storage technology. In addition to rectification for aircraft tilts and shifts, rectification for terrain characteristics is also required in order to generate colour and false colour composite images, since the various multispectral arrays are in different places on the focal plane. The special geometry affects triangulation. Thereafter, the imagery can be processed using existing software packages from both photogrammetry and remote sensing.The concept has been demonstrated in several successful test flights and the production model is scheduled for market introduction at the ISPRS Congress in July 2000. The imagery from the new sensor will fulfil many market requirements between the highest resolution film imagery (〈0.1 m) and high resolution space imagery (1m to 10 m). The sensor's unique blend of multispectral information with high quality geometric information will give rise to numerous new applications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/0031-868X.00157
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    To the Editor, The Photogrammetric Record (1988)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1988), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1988.tb00622.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    AN INVESTIGATION OF THE ACCURACY OF PARALLAX BAR HEIGHTING BY MEANS OF NUMERICAL SIMULATION (1987)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1987), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Previous assessments of the accuracy of parallax bar heighting were handicapped by small sample sizes. Numerical simulation was avoided due to the difficulty of obtaining co-ordinates for the conjugate principal points. This problem has been overcome, however, and all required photograph coordinates have been rigorously computed following the generation of fictitious data for ground points and exposure stations. The parallax bar heighting process has additionally been simulated in order to investigate both external factors, such as image errors, tilts and ground relief, and also influences intrinsic in the heighting process, for example estimation of flying height, baselining, control configuration and error surface model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1987.tb00578.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    BOOKS RECEIVED (1992)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 14 (1992), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1992.tb00219.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Analogue, Analytical and Digital Photogrammetric Workstations: Practical Investigations of Peformance (1995)
    Oxford UK and Boston, USA : Blackwell Publishers Ltd.
    The @photogrammetric record 15 (1995), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Prospective customers often request information on the accuracy of digital photogrammetry. Suitable data have been scarce, so Leica has begun a programme of internal tests. These are neither comprehensive nor necessarily representative of other suppliers' equipment, but several experienced operators and sets of imagery are being used and the results do provide general guidelines. A selection of analogue, analytical and digital workstations is being tested, together with scanners giving different pixel sizes.The early stages of the work are reported here. The tests include interior and exterior orientation of individual stereomodels followed by measurement of check points. Subsequent stages, covering DTMs, orthophotographs, mosaics and aerial triangulation, are planned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/0031-868X.00002
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    INPUT OF PHOTOGRAMMETRIC DATA TO GEOGRAPHICAL INFORMATION SYSTEMS (1987)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1987), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Photogrammetric data form a major input to geographical information systems. The evolution of digital output from stereoplotters is traced, from hardwired devices producing co-ordinates or hardcopy to direct links with sophisticated GIS software. The view that the transfer and reformatting processes are simple and straightforward is examined and it is suggested that considerable labelling and structuring of data are necessary before the full power and flexibility of GISs can be harnessed. Hence it is argued that on line database creation by means of stereoplotter/GIS interfaces may not be the most cost effective procedure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1987.tb00595.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    THE ROLE OF THE PHOTOGRAMMETRIC SOCIETY: RESULTS OF A QUESTIONNAIRE (1986)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1986), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Members of the Photogrammetric Society, both individual and corporate, were sent a questionnaire during December 1985. The content of the questionnaire touched upon many aspects of Society activities and it is intended that the substance of the replies should help to direct the Society in the future. An analysis of these responses was presented to the Thompson Symposium at the University of Birmingham on 19th April. 1986. It is reproduced here, together with a summary of the discussion which ensued on that occasion. Readers are encouraged to add their comments to those which follow. sending them to the Editor of The Photogrammetric Record or to the Honorary Secretary of the Photogrammetric Society.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1986.tb00552.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    PREVIEW OF ISPRS COMMISSION IV ACTIVITIES 1985–88 (1986)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1986), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1477-9730.1986.tb00544.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Responses to Users: The Continuing Evolution of Commercial Digital Photogrammetry (1999)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 16 (1999), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Although well established, digital photogrammetry continues to change. More sources offer imagery which can be treated photogrammetrically. Users need improved scanner performance as they attempt to offset costs by feeding clusters of workstations or establishing bureau services; increased speed, variable pixel size, use of roll film and “on the fly” dodging are desirable scanner characteristics. On the workstation side, the demand for the Windows NT platform has been irresistible. New applications and the quest for higher productivity have resulted in demands including output of orientation data to analytical plotters, processing of data from airborne GPS and inertial measurement unit (IMU), triangulated irregular network (TIN) DTMs, automated radiometric balancing in mosaicking, smoother operation within feature collection and batch processes. Moreover, the market place itself changes, with suppliers, their customers and the end users all competing for position.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/0031-868X.00137
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Acsm-Asprs Annual Convention And Exhibition, 1997 (1997)
    Oxford UK and Boston, USA : Blackwell Publishers Ltd.
    The @photogrammetric record 15 (1997), S. 0 
    Details
    ISSN: 1477-9730
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/0031-868X.00105
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    Paper (German National Licenses)
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