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CINEMATOGRAPHIC PROJECTORS
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Technical Examples
- Embodiments provide geometric consistency in overlapping areas when a tiling projection is performed where adjacent projection images have overlapping areas using a plurality of projectors. Embodiments provide a method in which a geometric correction function is formed on the basis of geometric association between positions, in display areas of projectors PJa to PJd, of features included in pattern images projected from the projectors and positions, in projection areas of the projectors, of features included in pattern-photographed images obtained by photographing the pattern images projected onto a projection plane from the projectors and in which the projection images projected from the plurality of projectors are corrected to have geometric consistency on the projection plane using the geometric correction function. The densities of feature points in specific areas of the display or projection areas of the projectors are set higher than those of areas other than the overlapping areas.
- The method for automatically calibrating a multi-projector system with at least two projectors, a digital camera and a control unit for controlling the projectors and the camera is performed according to the following steps:
- The invention relates to a wash basin (2) for rinsing or washing hair of the head, comprising an illuminating device (3) having a plurality of light projectors (5) for illuminating an inner region (14) of the wash basin (2). Said wash basin (2) consists of a light permeable material (4), the light projectors (5) of the illuminating device (3) being arranged outside the wash basin (2) in such a way that at least one partial region (11) of an outer side (6) of the wash basin (2) can be subjected to light (12).
- A method of scanning cinematographic film to produce digital images corresponding to images on frames of the film is provided, comprising the steps of:
- A system and method in which one or more acoustic projectors transmit broad bandwidth waveforms having known characteristics, and one or more acoustic receivers detect the transmitted waveforms, with the measurement of a propagation time from the projectors to the receivers being based on knowledge of the transmitted waveforms. The measurements are performed such that there is a low probability that other third party receivers will detect the transmission. The measurements may also be performed in an environment supporting multiple propagation paths. The system and method may further measure the Doppler shift induced by relative motion between the acoustic projector and the acoustic receiver.
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