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two-lens image system

A Two-Stage Taguchi Design Example-image Quality Promotioin Miniature Camera/Cell-Phone Lens

A Two-Stage Taguchi Design Example-image Quality Promotioin Miniature Camera/Cell-Phone Lens

... The magnitude of the optical transfer function (OTF), describing the spatial variation as a function of spatial frequency, is known as the modulation transfer function (MTF). MTF may be used to evaluate the imaging ...

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Digital holographic microscopy based on a modified lateral shearing interferometer for three dimensional visual inspection of nanoscale defects on transparent objects

Digital holographic microscopy based on a modified lateral shearing interferometer for three dimensional visual inspection of nanoscale defects on transparent objects

... LSI system, a hologram pattern is formed by the difference of the optical path length in two object beams caused by the thickness of an optical window ...object image is usually magnified by using an ...

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A Wide-FoV Athermalized Infrared Imaging System with a Two-Piece Lens

A Wide-FoV Athermalized Infrared Imaging System with a Two-Piece Lens

... imaging system, the incident rays are wavefront ...coded image becomes ...coded image is insensitive to misfocus-related (or thermal defocus) ...coded image is digitally decoded to output a ...

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06 Lenses.pptx

06 Lenses.pptx

... What focal length lens should be used to project a real image on the screen. 10.4 cm.[r] ...

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A Compact Perpendicular Microscopy and Imaging System for the Detection of Fluorescent Solution Flow

A Compact Perpendicular Microscopy and Imaging System for the Detection of Fluorescent Solution Flow

... Light sheet microscopy (LSM) is a fluorescence microscopy technique with excellent optical sectioning feature [1, 2]. Meanwhile, LSM is a CCD-based imaging tool and is found capable of high-speed imaging [3]. At present, ...

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Image registration reveals central lens thickness minimally increases during accommodation

Image registration reveals central lens thickness minimally increases during accommodation

... The Zeiss IOLMaster 700 (Carl Zeiss Meditec Inc.) was used for image acquisition. The ring (Zeiss part number 0239–805) that retains the cover of the IOLMaster 700 was replaced with a ring modified to hold a 3.147 ...

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Cloud monitoring system at Telescope Array site by Visible Fisheye CCD

Cloud monitoring system at Telescope Array site by Visible Fisheye CCD

... monitoring system with visible CCD camera. This system is installed at 3 sites, the BR FD station, the LR FD station and the Central Laser Facility ...toring system takes picture of the night sky ...

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3D Vision System using Calibrated Stereo Camera

3D Vision System using Calibrated Stereo Camera

... Corners are the most reliable feature you can use to find the correspondence between images. The following diagram shows three pixels one inside the object, one on the edge of the object, and one on the corner. If a ...

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Efficient content based image retrieval system for satellite image using SVM

Efficient content based image retrieval system for satellite image using SVM

... new two-step strategy in which first step is feature extraction using low level features (color, shape and texture) while SVM classifier is used in the second step to handle the noisy positive ...efficient ...

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Fisheye lens based space division multiplexing system for visible light communications

Fisheye lens based space division multiplexing system for visible light communications

... VLC system, which can realize high- performance SDM transmission because of the advantages of ultra-wide FOV, good illumination uniformity, ultra- high imaging quality, and compact ...the system consisted ...

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Optics in Isabelle/HOL

Optics in Isabelle/HOL

... of two functions, get, the return a value from the source type, and put that updates the ...each lens class being characterised by a set of lens ...a lens algebra in Isabelle that enables ...

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A Machine Vision Based Automatic Optical Inspection System for Detecting Defects of Rubber Keypads of Scanning Machine

A Machine Vision Based Automatic Optical Inspection System for Detecting Defects of Rubber Keypads of Scanning Machine

... Using computer vision systems to assist in detecting defect of industrial products is used widely in the world. In this paper, a research was fully carried out to solve all issues related to defects of rubber keypad ...

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Robust Digital Watermarking for Anaglyph 3D Images by Using DWT

Robust Digital Watermarking for Anaglyph 3D Images by Using DWT

... Having two colored lenses causes a loss of ...the image may appear dimmer than the equivalent standard 2D ...one lens will give a red tint to the whole image while the other gives a blue ...

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USING AN ANT COLONY OPTIMIZATION ALGORITHM FOR IMAGE EDGE DETECTION AS A 
THRESHOLD SEGMENTATION FOR OCR SYSTEM

USING AN ANT COLONY OPTIMIZATION ALGORITHM FOR IMAGE EDGE DETECTION AS A THRESHOLD SEGMENTATION FOR OCR SYSTEM

... proposed system of vehicle detection is composed of 1156 images extracted from the set of Caltech data 2001 ...This image database contains positive (figure 7) and negative images (figure ...

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Effects of lens motion and uneven magnification on image spectra

Effects of lens motion and uneven magnification on image spectra

... We briefly consider how the DME might affect a non-rotating pressure-supported galaxy, such as an elliptical. If a galaxy is sym- metric such thatρ (r) = ρ ( − r) and σ (r) = σ( − r), then at first order the DME does not ...

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Reliability of biometry.

Reliability of biometry.

... This technique has some distinct advantages. Firstly, the cornea cannot be compressed because of the fluid bridge between the transducer tip and the cornea. Secondly, correct beam alignment is assured once all 5 spikes ...

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E1-QRT07: WAVES OURCES SEPARATED BYO NE WAVELENGTH I—I NTERFERENCE

E1-QRT07: WAVES OURCES SEPARATED BYO NE WAVELENGTH I—I NTERFERENCE

... the image location. The image for the bulb will be behind the plane of the mirror, the same distance from the plane as the ...The image is virtual, because the reflected rays don’t actually pass ...

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23 Instructor Solutions Manual

23 Instructor Solutions Manual

... the image in that mirror is the same size as the ...the image is inverted and reduced in size, compared to the image in the flat ...her image would be enlarged, and the image would be ...

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Interactive tutorials in the marketing of digital cameras: How tutorials benefit consumers & retailers

Interactive tutorials in the marketing of digital cameras: How tutorials benefit consumers & retailers

... As mentioned before, the original navigation page had a photograph of an actual camera (fi g. 2). Six icons, one for each section, encircled the camera. As the cursor moved over one of the icons the camera spun so the ...

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Total Appearance of Metallic Coatings using a Stereo Capture System

Total Appearance of Metallic Coatings using a Stereo Capture System

... digital image processing, a dominant property of the total appearance of metallic coatings, glint, was extracted and compared with perceptual grade of observers in terms of twelve features: number of pixels, sum ...

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