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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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PHOTOGRAMMETRY sa LEGAL PHOTOGRAPHY x METRIC PHOTOGRAPHY x PHOTOMETROLOGY xx AERIAL PHOTOGRAPHY xx LEGAL PHOTOGRAPHY xx SCIENTIFIC PHOTOGRAPHY xx SURVEYING Making scale measurement with photos. How to make photos of full-size structures or rolling stock and then use measurements taken from the photos to calculate the dimensions for a model. Chronophotogrammetry. Determining the time of day based on the shadows found in forensic photos. Depth perception in photographic images. Part 4. Three cues to depth. Enhancing the sense of depth. Determining the dominate eye. Investigative technical photographs can be converted to maps of location later if this perspective grid is included in the photograph. Perspective grid photography. Useful when a plan view of a scene is required, as in the case of photographic mapping of evidence. A camera and a "perspective grid" is the simplest, cheapest, and most accurate method of recording all the details at an automobile accident. Perspective grid photography. The perspective grid and analog reconstruction. What are the alternatives if the only remaining record of a scene is a photograph without any reference scales. Accident reconstruction. Photogrammetric measurements aid in reconstructing an automobile accident from skid marks and other visual clues. Stereophotogrammetry. Using photography to make measurements within three-dimensional space. Some tips. Tips on selecting, making and using the templates (scales, yardsticks, ...) required when doing photogrammetric measurements. An introduction to fiducial marks in the making of precise photographic measurements. Discriminate and indiscriminate use of distance scales in scientific, legal, forensic and archaeological photography. Estimating distances in photographic scenes. Image distortion in photogrammetry. Part 1. Coping with lens distortion in close-range photogrammetry. Image distortion in photogrammetry. Part 2. Calibrating lenses to account for distortion in photogrammetric applications. Image distortion in photogrammetry. Part 3. Calibration of metric cameras. A nomographical approach to photogrammetry. Almost anyone who can set up a tripod can, with practically any camera, make useful measurements in many photographic applications. Computing perspective. Using shadows as a basis for dating photographs or determining orientations within a scene. Metric photography. Introduction to the concepts of making measurements of objects, terrain, features, etc., through the use of photographic images. The use of photogrammetry as a close-range measuring technique, using semi-metric cameras from Hasselblad, Rollei, and Leica. Applying the perspective grid method to generate plan drawings or maps from oblique photographs. Calculating perspective grid method parallax errors to measure the position of objects that fall out of the image plane. How photographs of shadows cast in sunlight can be analyzed to determine the geographical location of a scene, size of objects, date, etc. Description of photogrammetric techniques used to analyze the 1909 photographs of Admiral Perry's expedition to the North Pole. Photography and perspective. An historical look at development of the so-called "perspective grid" method of photography. | |||||||||
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