PPT-Sampling and Reconstruction of Visual Appearance

CSE 274 Fall 2018 Lecture 4 Ravi Ramamoorthi http wwwcsucsdedu ravir Motivation Monte Carlo Path Tracing Key application area for samplingreconstruction Core method to solve rendering equation . DeFrance 57375omas W Adair Lakewood Police Department Colorado USA Federal Bureau of Investigation Denver Colorado USA Introduction FDQ57347EH57347SKRWRJUDSKHG57347XVLQJ57347D5734757536OP57347RU57347GLJLWDO FKHPLOXPLQHVFHQW57347UHDJHQW573595734757 Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. IT530, Lecture Notes. Outline of the Lectures. Review of Shannon’s sampling theorem. Compressive Sensing: Overview of theory and key results. Practical Compressive Sensing Systems. Proof of one of the key results. A Brief Overview. With slides contributed by. W.H.Chuang. and Dr. . . Avinash. L. Varna. Ravi . Garg. Sampling Theorem. Sampling: record a . signal. in the form of . samples. Nyquist. Sampling Theorem: . the. real . world. Gunnar Stevens. Human Computer Interaction. University of Siegen, Germany. #3b. Agenda. Scribble sketching. Sampling with camera. Collecting images and clippings. Physical collections. of . Multi-class Scatterplots. Haidong . Chen. , . Wei . Chen, . Honghui. . Mei, . Zhiqi. . Liu, Kun Zhou, . Weifeng. Chen, . Wentao. . Gu. , Kwan-Liu Ma. Motivations. Multi-class scatterplots. Aid comparison. . Martin Vetterli EPFL & UC Berkeley. BOAT WAKE © Pete Turner. 1. Acknowledgements. Sponsors and supporters. NSF Switzerland. : thank you!. Conference organizers, Akihiko Sugiyama in particular!. x(t. ). x~(t. ). Sound is audible in 20 Hz to 20 kHz range:. . f. max. = 20 kHz and the Nyquist rate 2 . f. max. = 40 kHz . What is the extra 10% of the bandwidth used?. Rolloff. from passband to stopband in the magnitude response of the anti-aliasing filter. Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. ** . Southern state governments: aspirations, achievements, failures. *** . Role of African Americans in politics, education, and the economy. **** . Compromise of 1877. ***** . Impact of Reconstruction. 13. th. Amendment. grandfather clause. 14th Amendment. Jim Crow. 15. th. Amendment. Ku Klux Clan. 16. th. Amendment. literacy test. Abraham Lincoln. martial law. Andrew Johnson. poll tax. assassination. CSE 274 [Winter 2018]. , Lecture . 4. Ravi . Ramamoorthi. http://. www.cs.ucsd.edu. /~. ravir. Motivation: Monte Carlo . Path Tracing. Key application area for sampling/. reconstruction. Core method to solve rendering equation . photopsy. and paracentral scotomas. . CASE REPORT. . D. A. S., male, . caucasian. , 22 years old, born and living in Campinas - SP, seeks eye care for complaints of visual haze in both eyes for 3 days. Reports a history of flu-like symptoms for 7 days. Previously healthy. No . Biomedical Signal processing. Chapter . 4. Sampling of Continuous-Time Signals. Zhongguo. Liu. Biomedical Engineering. School of Control Science and Engineering, Shandong University. 山东省精品课程.