PPT-It’s all about the pixels!

Author : tatyana-admore | Published Date : 2018-11-03

Digital Photo In the late 1990s digital cameras produced lowquality images that looked okay on a computer screen But digital photographs have gradually turned from

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It’s all about the pixels!: Transcript

Digital Photo In the late 1990s digital cameras produced lowquality images that looked okay on a computer screen But digital photographs have gradually turned from lowresolution images to sharperthanlife images . Capturing and Editing Digital Images. 1. Scanners. Types. Flatbed. Sheet-fed. Handheld. Drum. Resolution. Optical resolution. Enhanced resolution. Reported in dpi (dots per inch). 2. How Scanners Work. F. Cafagna. Once upon a time …. … a dialog between . collegues. …. 02/10/2014. F.S. Cafagna, 1st Balloon Software meeting, IRAP. . 2. Do. . you. . have. a . scheme. of the layout of the PDM I can . Status report . Dec. . 7. Yiftah Silver, Dan Levin. December 7, 2010. 1. Hardware progress. We have managed to connect both DRS4 boards to the panel.. 4 RO channels and 4 HV channels at the same time.. Patrick Pangaud. CPPM. 24 July 2014. pangaud@cppm.in2p3.fr. Hybrid Pixels Detector . for particles trackers. July 24, 2014. Meeting GF / CPPM P. Pangaud. 2. An early 3-D approach!!. Sensor for particles detection. Observational Techniques. ASTR 3010. Lecture 11. Textbook. From previous classes. We learned that in the astronomical data pre-processing, . bias subtraction, . dark subtraction, . flat-fielding, . bad pixel correction, . Spectr. . scopy. with NIRISS. Van Dixon. STScI. JWST FGS. TIPS/JIM. 2012 September 20. . NIRISS at a Glance. Parameter. Value. Array Size. 2048 x 2048 (2040 x 2040 active). Pixel size. 18 . μm. x 18 . Graph Cuts. Seam Carving. Video. Make images smaller by removing “seams”. Seam = connected path of pixels . from top to bottom. or left edge to right edge. Don’t want to remove important stuff. Objectif : décomposer l’image . X. . en un ensemble de sous-parties connexes . et homogènes formant . une . partition de l’image. Notations :. N. R. . : . nbre. de régions, . R. i. région . . Report . 6. C. . Ferretti. , D. Levin. May 27, 2014. Some longish tests with AAT0001 gas. Ne+0.4%Ar + 10% CF4. Examine Pixel R401, R402, R403. Place collimated source directly on pixel. Some longish tests with AAT0002 gas. s Report on . PSFs and . Pixels. Jay Anderson, Elena . Sabbi. , . Kailash. . Sahu. , and Matthew Bourque. TIPS Feb 19, 2015. Lots of Inter-related Issues. Why do we need a good PSF? (Or . do. we?). rainfall prediction algorithm. Nazario. D. Ramirez and Joan . Manuel . Castro. University of Puerto Rico. NOAA Collaborator: . Robert . J. . Kuligowski. Other collaborators: . Jorge Gonzalez from CUNY. r. s. t. u. v. w. x. y. z. Origin. x. y. Image f (x, y). e. processed. = . v. *e + . . r. *a + . s. *b + . t. *c + . . u. *d + . w. *f + . . x. *g + . y. *h + . z. *. i. Filter. Simple 3*3. Neighbourhood. Status @ Fermilab. Farah Fahim, Gregory Deptuch, Jim Hoff, Alpana Shenai, Marcel Trimpl. Update. Radiation tolerance tests of 130nm & 65nm are ongoing with U. Colorado using . Sandia National Lab "Gamma Irradiation Facility" (Colbolt-60 source array. ?. Pinhole camera. Pinhole camera model. linear projection in homogeneous coordinates!. Camera is a mapping between 3D world (object space) and 2D image;. Camera model: matrix representing camera mapping; interested in central projection.

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