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  2. Pinhole camera - Wikipedia

    en.wikipedia.org/wiki/Pinhole_camera

    A pinhole camera is a simple camera without a lens but with a tiny aperture (the so-called pinhole)—effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect.

  3. How to Build a Pinhole Camera to See the Total Solar Eclipse ...

    www.aol.com/pinhole-projector-watch-solar...

    Through the pinhole, you should see an inverted image of the eclipse appear on the paper. 4. As the total solar eclipse reaches 100% coverage, you'll notice the light on the paper fading away ...

  4. Pinhole camera model - Wikipedia

    en.wikipedia.org/wiki/Pinhole_camera_model

    The image plane is parallel to axes X1 and X2 and is located at distance from the origin O in the negative direction of the X3 axis, where f is the focal length of the pinhole camera. A practical implementation of a pinhole camera implies that the image plane is located such that it intersects the X3 axis at coordinate -f where f > 0.

  5. Solarigraphy - Wikipedia

    en.wikipedia.org/wiki/Solarigraphy

    Solarigraph with the sun paths between July 2018 and May 2019 in a street at Valladolid, Spain. Solarigraphy is a concept and a photographic practice based on the observation of the sun path in the sky (different in each place on the Earth) and its effect on the landscape, captured by a specific procedure that combines pinhole photography and digital processing.

  6. Photography - Wikipedia

    en.wikipedia.org/wiki/Photography

    A hole in the cave wall will act as a pinhole camera and project a laterally reversed, upside down image on a piece of paper. Renaissance painters used the camera obscura which, in fact, gives the optical rendering in color that dominates Western Art. It is a box with a small hole in one side, which allows specific light rays to enter ...

  7. Tilted plane focus - Wikipedia

    en.wikipedia.org/wiki/Tilted_plane_focus

    Shot on a 1963 Linhof Technica III 4"x 5" drop-bed field camera. Tilted plane photography is a method of employing focus as a descriptive, narrative or symbolic artistic device. It is distinct from the more simple uses of selective focus which highlight or emphasise a single point in an image, create an atmospheric bokeh , or miniaturise an ...

  8. Homography (computer vision) - Wikipedia

    en.wikipedia.org/wiki/Homography_(computer_vision)

    Geometrical setup for homography: stereo cameras O 1 and O 2 both pointed at X in epipolar geometry. Drawing from Neue Konstruktionen der Perspektive und Photogrammetrie by Hermann Guido Hauck (1845 — 1905) In the field of computer vision, any two images of the same planar surface in space are related by a homography (assuming a pinhole ...

  9. List of open-source hardware projects - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    This is a list of open-source hardware projects, including computer systems and components, cameras, radio, telephony, science education, machines and tools, robotics, renewable energy, home automation, medical and biotech, automotive, prototyping, test equipment, and musical instruments.

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