نتایج جستجو برای: ccd camera
تعداد نتایج: 63308 فیلتر نتایج به سال:
We have developed a five-band CCD camera with 3120(H) and 2160(V) pixels and 16 bits dynamic range for recording the reflectance spectra of the object for digital archives. In the previous papers, we applied those developed systems to record the reflectance spectra of paintings and other artifacts. In this paper, we introduce the standard spectral images taken by developed multi-spectral imagin...
Tracking of a camera pose in all 6 degrees of freedom is a task with many applications in 3D-imaging as i.e. augmentation or robot navigation. Structure from motion is a well known approach for this task, with several well known restrictions. These are namely the scale ambiguity of the calculated relative pose and the need of a certain camera movement (preferably lateral) to initiate the tracki...
When repetitive high frequency patterns appear in the view of a charge-coupled device (CCD) camera, annoying low frequency Moiré patterns are often observed. This paper demonstrates that such Moiré pattern can useful in measuring surface deformation and displacement. What is required, in our case, is that the surface in question is textured with appropriately aligned black and white line gratin...
We have developed a snapshot spectral imaging system which fits onto the side camera port of a commercial inverted microscope. The system provides spectra, in real time, from multiple points randomly selected on the microscope image. Light from the selected points in the sample is directed from the side port imaging arm using a digital micromirror device to a spectrometer arm based on a dispers...
The implementation of DSP (Digital Signal Processing) to the television, CCTV, medical, industrial and other cameras caused the numerous benefits to the camera picture processing. Even though the camera CCD (Charge Coupled Device) block is basically an analog device and a part of video signal processing is still performed in the analog domain the A/D converter at the CCD output transforms video...
For several applications of close-range photogrammetry, there is a growing interest in systems that are able to automatically perform a 3-D reconstruction of objects from stereo correspondences on CCD camera views. For such applications, a full-3D reconstruction of the object is often very desirable. In fact, most automatic systems for 3-D reconstruction based on stereo matching can only recons...
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