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Modern photogrammetry software applications automatically analyze a large number of digital images for 3D reconstruction, however manual interaction may be required if the software cannot automatically determine the 3D positions of the camera in the images which is an essential step in the reconstruction pipeline.
It was not until the adoption of the CCD (charge-coupled device) that the digital camera really took off. The CCD became part of the imaging systems used in telescopes, the first black-and-white digital cameras in the 1980s. [3] Color was eventually added to the CCD and is a usual feature of cameras today.
Given a group of 3D points viewed by N cameras with matrices {} = …, define to be the homogeneous coordinates of the projection of the point onto the camera. The reconstruction problem can be changed to: given the group of pixel coordinates {}, find the corresponding set of camera matrices {} and the scene structure {} such that
3D printing has long been the stuff of dreams for many of us who've dreamt of seeing the day when we can simply design and print the gadgets, clothing, and shoes we want and need. What a world it ...
RGB-D cameras such as Kinect capture both the color and depth images. By fusing the two images, 3D colored voxels can be captured, allowing motion capture of 3D human motion and human surface in real-time. Because of the use of a single-view camera, motions captured are usually noisy.
Starting in 2010, some compact digital cameras can take 3D still photos. [45] These 3D compact stereo cameras can capture 3D panoramic photos with dual lens or even a single lens for playback on a 3D TV. In 2013, Sony released two add-on camera models without display, to be used with a smartphone or tablet, controlled by a mobile application ...
Digital holography is the acquisition and processing of holograms with a digital sensor array, [1] [2] typically a CCD camera or a similar device. Image rendering, or reconstruction of object data is performed numerically from digitized interferograms. Digital holography offers a means of measuring optical phase data and typically delivers ...
Lawmakers in New Jersey say something needs to be done about illegal guns in the Garden State. Many of the guns are being printed at home on 3D printers, while others are flowing from Pennsylvania.