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Spatial Augmented Reality
Spatial Augmented Reality

... have also influenced the research community more than they are willing to admit. Most of us associate these terms with the technological possibility to dive into a completely synthetic, computer-generated world—sometimes referred to as a virtual environment. In a virtual environment our senses, such ...
Managing and Viewing DICOM Images with ImageJ
Managing and Viewing DICOM Images with ImageJ

... files structured in patient/study/series to easily find images. Every view allows the selection of single images or whole series. This dialog is allthough used to manage the files in the local store or to send images from the local drive, store or CD to another PACS or DICOM entity. With a working v ...
survey of texture mapping
survey of texture mapping

... A naive method for texture mapping in perspective is to linearly interpolate the texture coordinates u and v along the sides of the polygon and across each scanline, much as Gouraud or Phong shading [Rog85] is done. However, linear interpolation will never give the proper effect of nonlinear foresho ...
CLASSIFICATION OF IMAGE SPAM A Thesis Presented to The
CLASSIFICATION OF IMAGE SPAM A Thesis Presented to The

... Most of the spammers use bots to do the job for them so even if they get one user to respond to their spam it is worth the effort to send e-mail to hundreds of people. Filters today can arrest most of the e-mail spam that appears in the form of text. Black listing known spamming IPs can also prevent ...
Segmentation and Alignment of 3-D Transaxial Myocardial Perfusion Images and
Segmentation and Alignment of 3-D Transaxial Myocardial Perfusion Images and

... Nuclear medical imaging such as SPECT (Single Photon Emission Tomography) is an imaging modality which is readily used in many applications for measuring physiological properties of the human body. One very common type of examination using SPECT is when measuring myocardial perfusion (blood flow in ...
content based image retrieval
content based image retrieval

... The field of image retrieval has been an active research area for several decades and has been paid more and more attention in recent years as a result of the dramatic and fast increase in the volume of digital images. The development of Internet not only cause an explosively growing volume of digit ...
CREATING BRIGHT SHADOWS: VISUAL MUSIC USING
CREATING BRIGHT SHADOWS: VISUAL MUSIC USING

... composition created visually but as if it were an aural piece. This can have sound, or exist silent" [6]. Many of the experimental films that fall under this definition consist of moving forms that embody an abstracted, gestural quality of body language and dance. There is a simplicity to these app ...
New portable FELIX 3D display
New portable FELIX 3D display

... of physical conditions. For a variety of disciplines ranging from architecture to computer aided design (CAD) and entertainment these tools often make use of computational rendering and visualization on high resolution cathode ray tubes (CRT) with impressive results. However, there are still many ca ...
OPENVIEW A FREE SYSTEM FOR STEREOSCOPIC REPRESENTATION OF 3D MODELS OR...
OPENVIEW A FREE SYSTEM FOR STEREOSCOPIC REPRESENTATION OF 3D MODELS OR...

... graphics card allows. OpenView uses three cameras when running. The first (central camera) displays its contents on the Control Room. The other two (called “left eye” and “right eye”) are responsible to create the stereo pairs of images. All three cameras together are called the “Head”. Rotation of ...
Pill-ID: Matching and Retrieval of Drug Pill Images
Pill-ID: Matching and Retrieval of Drug Pill Images

... The original SIFT descriptor (Lowe, 2004) construction consisted of five steps: (i) smoothing, (ii) gradient orientation & magnitude calculation, (iii) Gaussian weighting, (iv) tri-linear interpolation, and (v) truncation. We have empirically determined that steps (i) and (iii) are redundant in gener ...
Voxel Similarity Measures for Automated Image
Voxel Similarity Measures for Automated Image

... 4. The third order moment of the intensity histogram of the feature space. The third measure will give a low signal at registration for regions of the feature space which include the arcs connecting two adjacent regions in the original images. The hysteresis effects outlined above will increase this ...
Determination of the correct eye position for viewing perspective
Determination of the correct eye position for viewing perspective

... Fig 2: Both images should be viewed by placing the eye in front of their center at a distance respectively indicted by the vertical double-headed arrows to their right. Clearly, although correct, the image on the right will appear distorted from any comfortable viewing condition. In this paper, we a ...
Chapter 5 PowerPoint
Chapter 5 PowerPoint

... Chapter 5: Typography and Images ...
full article
full article

... the problem of distortion from single viewpoints, and successfully circumevented it, as the next section will show. ...
Eye detection using color cues and projection functions S. A.
Eye detection using color cues and projection functions S. A.

... are two spatially disconnected low intensity clusters corresponding to the eye and the eyebrow. In most realistic situations, it is difficult to detect skin area below the eyebrow and hence the eyebrow cluster is eliminated. In each of the analysis windows, the angle of the linejoining the centroids ...
Adobe Photoshop CS Overview
Adobe Photoshop CS Overview

... Adobe Systems Incorporated 345 Park Avenue, San Jose, CA 95110-2704 USA www.adobe.com Adobe, the Adobe logo, Acrobat, Illustrator, ImageReady, Photomerge, Photoshop, and “Tools for the New Work“ are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or ...
PPT
PPT

... A projector is the “inverse” of a camera • has the same parameters, light just flows in reverse • how to figure out where the projector is? ...
Image and Sound Editing
Image and Sound Editing

PPT - Brown Computer Science
PPT - Brown Computer Science

...  1822 – Nicéphore Niépce takes the first fixed, permanent photograph, of an engraving of Pope Pius VII  1826 – Nicéphore Niépce takes the first fixed, permanent photograph from nature a landscape that required an eight hour exposure  1839 - William Fox Talbot invented the positive / negative proc ...
Natural Problems for Stereoscopic Depth Perception in Virtual
Natural Problems for Stereoscopic Depth Perception in Virtual

... is an additional source of spatial error when translated to stereoscopic displays. The correct presentation of disparity cues is critically dependent on the half-image separation, image plane distance and the user's interpupillary distance (IPD). In traditional desk mounted stereoscopes these factor ...
Filtered Backprojection
Filtered Backprojection

... • Named after the Austrian mathematician Johann Radon • RT is the integral transform consisting of the integral of a function over straight lines. • The inverse of RT is used to reconstruct images from medical computed tomography scans. ...
DESIGN AND CONSTRUCTION OF A INTERFEROMETER
DESIGN AND CONSTRUCTION OF A INTERFEROMETER

... The interferometer works by sending light, such as a laser, through a beam splitter to two different surfaces. One surface is a near-perfect mirror, and the other is the target to measure. The beams are reflected back through the beam splitter and combine to form a result that varies in brightness d ...
WebPublishTips
WebPublishTips

... A bitmap image format that was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Web due to its wide support and portability. The format supports up to 8 bits per pixel allowing a single image to reference a palette of up to 256 distinct colors chosen from t ...
Doc
Doc

... New Mexico State University ...
BT.1438 - Subjective assessment of stereoscopic television pictures
BT.1438 - Subjective assessment of stereoscopic television pictures

... Table 2 lists the test charts for the vision test. These 12 tests are selected according to the hierarchy of the human visual system from lower to higher levels. Eight main vision tests (VTs) are described below, and the other four are for the clinical test. Observers must have normal stereopsis, me ...
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3D film

A 3D or 3-D (three-dimensional) film or S3D (stereoscopic 3D) film is a motion picture that enhances the illusion of depth perception. The most common approach to the production of 3D films is derived from stereoscopic photography. In it, a regular motion picture camera system is used to record the images as seen from two perspectives (or computer-generated imagery generates the two perspectives in post-production), and special projection hardware and/or eyewear are used to provide the illusion of depth when viewing the film. Some methods of producing 3D films do not require the use of two images. 3D films are not limited to feature film theatrical releases; television broadcasts and direct-to-video films have also incorporated similar methods, especially since the advent of 3D television and Blu-ray 3D.3D films have existed in some form since 1915, but had been largely relegated to a niche in the motion picture industry because of the costly hardware and processes required to produce and display a 3D film, and the lack of a standardized format for all segments of the entertainment business. Nonetheless, 3D films were prominently featured in the 1950s in American cinema, and later experienced a worldwide resurgence in the 1980s and 1990s driven by IMAX high-end theaters and Disney themed-venues. 3D films became more and more successful throughout the 2000s, culminating in the unprecedented success of 3D presentations of Avatar in December 2009 and January 2010.
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