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Paul Hightower Instrumentation Technology Systems Northridge, CA 91324 [email protected]
COMPRESSION, WHY, WHAT AND COMPROMISES Authors Hightower, Paul Publisher International Foundation for Telemetering Journal International Telemetering Conference Proceedings Rights Copyright © held by the author; distribution rights International Foundation for Telemetering Download date 06/10/2021 11:41:22 Link to Item http://hdl.handle.net/10150/631710 COMPRESSION, WHY, WHAT AND COMPROMISES Paul Hightower Instrumentation Technology Systems Northridge, CA 91324 [email protected] ABSTRACT Each 1080 video frame requires 6.2 MB of storage; archiving a one minute clip requires 22GB. Playing a 1080p/60 video requires sustained rates of 400 MB/S. These storage and transport parameters pose major technical and cost hurdles. Even the latest technologies would only support one channel of such video. Content creators needed a solution to these road blocks to enable them to deliver video to viewers and monetize efforts. Over the past 30 years a pyramid of techniques have been developed to provide ever increasing compression efficiency. These techniques make it possible to deliver movies on Blu-ray disks, over Wi-Fi and Ethernet. However, there are tradeoffs. Compression introduces latency, image errors and resolution loss. The exact effect may be different from image to image. BER may result the total loss of strings of frames. We will explore these effects and how they impact test quality and reduce the benefits that HD cameras/lenses bring telemetry. INTRODUCTION Over the past 15 years we have all become accustomed to having television, computers and other video streaming devices show us video in high definition. It has become so commonplace that our community nearly insists that it be brought to the telemetry and test community so that better imagery can be used to better observe and model systems behaviors. -
Ronin-S Release Notes
Ronin-S Release Notes Date: 2019.08.28 Firmware: v1.9.0.80 Ronin App iOS: v1.2.2 Ronin App Android: v1.2.2 DJI Pro Assistant for Ronin (PC): v2.0.2 DJI Pro Assistant for Ronin (Mac): v2.0.2 User Manual: v1.2 What’s New? Added video recording, autofocus, and focus pull support for Sony A9 and A6400 cameras with supported E-mount lenses using a Multi-Camera Control Cable (Micro-USB). To use autofocus on the Sony A9 and A6400, press halfway down on the camera control button of the gimbal Added photo capture, video recording, autofocus, and focus pull support for Canon EOS RP cameras with supported RF mount lenses using a Multi-Camera Control Cable (Type-C). To use autofocus on the Canon EOS RP, press halfway down on the camera control button of the gimbal. Added photo capture, video recording, autofocus, and focus pull support for Canon M50 cameras with supported EF-M mount lenses using a Multi-Camera Control Cable (Micro-USB). To use autofocus on the Canon M50, press halfway down on the camera control button on the gimbal. Added photo capture, video recording, autofocus, and focus pull support for Canon EOS 6D and EOS 80D cameras with supported EF mount lenses using a Multi-Camera Control Cable (Mini USB). To use autofocus on the Canon EOS 6D and EOS 80D, press halfway down on the camera control button of the gimbal. Added photo capture, video recording, autofocus, and focus pull support for Panasonic G9 cameras with supported Macro 4/3 mount lenses using a Multi-Camera Control Cable (Micro USB). -
Image Resolution
Image resolution When printing photographs and similar types of image, the size of the file will determine how large the picture can be printed whilst maintaining acceptable quality. This document provides a guide which should help you to judge whether a particular image will reproduce well at the size you want. What is resolution? A digital photograph is made up of a number of discrete picture elements, known as “pixels”. We can see these elements if we magnify an image on the screen (see right). Because the number of pixels in the image is fixed, the bigger we print the image, then the bigger the pixels will be. If we print the image too big, then the pixels will be visible to the naked eye and the image will appear to be poor quality. Let’s take as an example an image from a “5 megapixel” digital camera. Typically this camera at its maximum quality setting will produce images which are 2592 x 1944 pixels. (If we multiply these two figures, we get 5,038,848 pixels, which approximately equates to 5 million pixels/5 megapixels.) Printing this image at various sizes, we can calculate the number of pixels per inch, more commonly referred to as dots per inch (dpi). Just note that this measure is dependent on the image being printed, it is unrelated to the resolution of the printer, which is also expressed in dpi. Original image size 2592 x 1944 pixels Small format (up to A3) When printing images onto A4 or A3 pages, aim for 300dpi if at all Print size (inches) 8 x 6 16 x 12 24 x 16 32 x 24 possible. -
The Strategic Impact of 4K on the Entertainment Value Chain
The Strategic Impact of 4K on the Entertainment Value Chain December 2012 © 2012 Futuresource Consulting Ltd, all rights reserved Reproduction, transfer, distribution or storage of part or all of the contents in this document in any form without the prior written permission of Futuresource Consulting is prohibited. Company Registration No: 2293034 For legal limitations, please refer to the rear cover of this report 2 © 2012 Futuresource Consulting Ltd Contents Section Page 1. Introduction: Defining 4K 4 2. Executive Summary 6 3. 4K in Digital Cinema 9 4. 4K in Broadcast 12 5. 4K Standards and Delivery to the Consumer 20 a) Pay TV 24 b) Blu-ray 25 c) OTT 26 6. Consumer Electronics: 4K Issues and Forecasts 27 a) USA 31 b) Western Europe 33 c) UK, Germany, France, Italy and Spain 35 7. 4K in Professional Displays Markets 37 8. Appendix – Company Overview 48 3 © 2012 Futuresource Consulting Ltd Introduction: Defining 4K 4K is the latest resolution to be hailed as the next standard for the video and displays industries. There are a variety of resolutions that are claimed to be 4K, but in general 4K offers four times the resolution of standard 1080p HD video. A number of names or acronyms for 4K are being used across the industry including Quad Full HD (QFHD), Ultra HD or UHD and 4K2K. For the purposes of this report, the term 4K will be used. ● These terms all refer to the same resolution: 3,840 by 2,160. ● The EBU has defined 3,840 by 2,160 as UHD-1. -
Autofocus Camera with Liquid Lens
Autofocus Camera with Liquid Lens Pixelink has developed a family of USB 3.0 autofocus cameras that seamlessly integrate with liquid lenses providing you with cutting-edge solutions ideal for high-speed imaging applications. Features » One push, high-speed, point to point focus » Seamless integration with liquid lenses » Focus range of millimeters to infinity, in less than 20 ms » Easy integration with Pixelink SDK Benefits » Large range of optical variation: Liquid interface allows for large phase shi variations » Sturdiness : Tested for over 100 million cycles with zero performance degradation » Shock resistance: Excellent output before and aer shock tests » High-speed: Reconfigures in tens of milliseconds » Low power: Dissipates ~15mW, 10x lower than other systems Applications » Bar-Code Reading » Biometrics - Facial and Retinal » Inspection » Biotechnology » Medical Applications 1900 City Park Drive, Suite 410, O�awa, Ontario K1J 1A3, Canada Tel: +1.833.247.1211 (Canada) Tel: 613.247.1211 (North America) pixelink.com Select the Camera and Autofocus Lens that Fits Your Application Pixelink has a full line of USB 3.0 autofocus cameras including: Camera Model Color Space Sensor Resolution Sensor Size PL-D721CU Color ON Semi Vita 1300 1.3 MP 1/2” PL-D721MU Monochrome ON Semi Vita 1300 1.3 MP 1/2” PL-D722CU Color ON Semi Vita 2000 2.3 MP 2/3” PL-D722MU Monochrome ON Semi Vita 2000 2.3 MP 2/3” PL-D729MU Monochrome ON Semi Mano 9600 9.5 MP 2/3” PL-D732CU Color CMOSIS CMV 2000 2.2 MP 2/3” PL-D732MU Monochrome CMOSIS CMV 2000 2.2 MP 2/3” PL-D732MU-NIR -
Detection and Depletion of Digital Cameras: an Exploration Into Protecting Personal Privacy in the Modern World Jessica Sanford Union College - Schenectady, NY
Union College Union | Digital Works Honors Theses Student Work 6-2016 Detection and Depletion of Digital Cameras: An Exploration into Protecting Personal Privacy in the Modern World Jessica Sanford Union College - Schenectady, NY Follow this and additional works at: https://digitalworks.union.edu/theses Part of the Photography Commons, Privacy Law Commons, and the Technology and Innovation Commons Recommended Citation Sanford, Jessica, "Detection and Depletion of Digital Cameras: An Exploration into Protecting Personal Privacy in the Modern World" (2016). Honors Theses. 206. https://digitalworks.union.edu/theses/206 This Open Access is brought to you for free and open access by the Student Work at Union | Digital Works. It has been accepted for inclusion in Honors Theses by an authorized administrator of Union | Digital Works. For more information, please contact [email protected]. Detection and Deflection of Digital Cameras: An Exploration into Protecting Personal Privacy in the Modern World By Jessica Sanford * * * * * * * * * Submitted in partial fulfillment of the requirements for Honors in the Department of Computer Science UNION COLLEGE June, 2016 ! 1 ABSTRACT SANFORD, JESSICA !Detection and Deflection of Digital Cameras: An Exploration into Protecting Personal Privacy in the Modern World. Department of Computer Science, June 2016. ADVISOR: John Rieffel As all forms of technology become more integrated into our daily lives, personal privacy has become a major concern. Everyday devices, such as mobile phones, have surveillance capabilities simply by having a digital camera as part of the device. And while privacy and secrecy seem to go hand in hand, it is not always the case that one does not care about privacy because they have nothing to hide. -
The Lightest and Smallest Full-Frame Eos Camera*
THE LIGHTEST AND SMALLEST FULL-FRAME EOS CAMERA* The Portable Performer. Stepping up to a full-frame camera has never been easier. The mirrorless EOS RP – the lightest and most compact full-frame EOS camera to date* - includes a 26.2 MP CMOS sensor, fast and accurate autofocus, 4K video, and our powerful DIGIC 8 processor for exceptional results, even in low light. It’s compatible with RF lenses as well as all EF/EF-S lenses**, has helpful features like Feature Assistant and Creative Assist, and is versatile and comfortable to use with both a vari-angle touchscreen LCD and an electronic viewfinder. Wherever you travel, the EOS RP helps you capture the world with quality, control and ease. SIZED TO MOVE. GO FULL FRAME. EF/EF-S LENS COMPATIBILITY. EASE TO PLEASE. The EOS RP is the lightest and smallest full-frame The EOS RP is equipped with a 26.2 MP full-frame In addition to compatibility with RF lenses, the Getting the results you want is made easier with EOS camera*, making it incredibly easy to carry image sensor. This full-frame size gives you EOS RP can also be used with all EF/EF-S lenses a number of helpful and convenient options, on all your travels or even when you’re just feeling amazing flexibility when choosing a lens and using the optional Mount Adapter EF-EOS R, including a vari-angle LCD, a built-in EVF, a inspired at home or around the neighborhood. outstanding image quality when shooting images providing exceptional flexibility for a wide variety convenient Mode Dial to select shooting modes and video. -
A Map of the Canon EOS 6D
CHAPTER 1 A Map of the Canon EOS 6D f you’ve used the Canon EOS 6D, you know it delivers high-resolution images and Iprovides snappy performance. Equally important, the camera offers a full comple- ment of automated, semiautomatic, and manual creative controls. You also probably know that the 6D is the smallest and lightest full-frame dSLR available (at this writing), yet it still provides ample stability in your hands when you’re shooting. Controls on the back of the camera are streamlined, clearly labeled, and within easy reach during shooting. The exterior belies the power under the hood: the 6D includes Canon’s robust autofocus and metering systems and the very fast DIGIC 5+ image processor. There’s a lot that is new on the 6D, but its intuitive design makes it easy for both nov- ice and experienced Canon shooters to jump right in. This chapter provides a roadmap to using the camera controls and the camera menus. COPYRIGHTED MATERIAL This chapter is designed to take you under the hood and help fi nd your way around the Canon EOS 6D quickly and easily. Exposure: ISO 100, f/2.8, 1/60 second, with a Canon 28-70mm f/2.8 USM. 005_9781118516706-ch01.indd5_9781118516706-ch01.indd 1515 55/14/13/14/13 22:09:09 PMPM Canon EOS 6D Digital Field Guide The Controls on the Canon EOS 6D There are several main controls that you can use together or separately to control many functions on the 6D. Once you learn these controls, you can make camera adjustments more effi ciently. -
Preparing Images for Powerpoint, the Web, and Publication a University of Michigan Library Instructional Technology Workshop
Preparing Images for PowerPoint, the Web, and Publication A University of Michigan Library Instructional Technology Workshop What is Resolution? ....................................................................................................... 2 How Resolution Affects File Memory Size ................................................................... 2 Physical Size vs. Memory Size ...................................................................................... 3 Thinking Digitally ........................................................................................................... 4 What Resolution is Best For Printing? ............................................................................ 5 Professional Publications ............................................................................................................................. 5 Non-Professional Printing ........................................................................................................................... 5 Determining the Resolution of a Photo ........................................................................ 5 What Resolution is Best For The Screen? ..................................................................... 6 For PowerPoint ............................................................................................................................................. 6 For Web Graphics ........................................................................................................................................ -
Technologies Journal of Research Into New Media
Convergence: The International Journal of Research into New Media Technologies http://con.sagepub.com/ HD Aesthetics Terry Flaxton Convergence 2011 17: 113 DOI: 10.1177/1354856510394884 The online version of this article can be found at: http://con.sagepub.com/content/17/2/113 Published by: http://www.sagepublications.com Additional services and information for Convergence: The International Journal of Research into New Media Technologies can be found at: Email Alerts: http://con.sagepub.com/cgi/alerts Subscriptions: http://con.sagepub.com/subscriptions Reprints: http://www.sagepub.com/journalsReprints.nav Permissions: http://www.sagepub.com/journalsPermissions.nav Citations: http://con.sagepub.com/content/17/2/113.refs.html >> Version of Record - May 19, 2011 What is This? Downloaded from con.sagepub.com by Tony Costa on October 24, 2013 Debate Convergence: The International Journal of Research into HD Aesthetics New Media Technologies 17(2) 113–123 ª The Author(s) 2011 Reprints and permission: sagepub.co.uk/journalsPermissions.nav DOI: 10.1177/1354856510394884 Terry Flaxton con.sagepub.com Bristol University, UK Abstract Professional expertise derived from developing and handling higher resolution technologies now challenges academic convention by seeking to reinscribe digital image making as a material process. In this article and an accompanying online resource, I propose to examine the technology behind High Definition (HD), identifying key areas of understanding to enable an enquiry into those aesthetics that might derive from the technical imperatives within the medium. (This article is accompanied by a series of online interviews entitled A Verbatim History of the Aesthetics, Technology and Techniques of Digital Cinematography. -
Nikon D810 Setup Guide Nikon D810 Setup Guide
Nikon D810 Setup Guide Nikon D810 Setup Guide For Nature, Landscape and Travel Photography For Portrait and Wedding Photography External Controls Custom Setting Menus External Controls Custom Setting Menus Exposure Mode Aperture Priority Custom settings bank A Exposure Mode Aperture Priority Custom settings bank B Metering Mode 3D Matrix Metering a1 AF-C priority select Release Metering Mode 3D Matrix Metering a1 AF-C priority select Release Bracketing Off (unless HDR photography) a2 AF-S priority select Focus Bracketing Off (unless HDR photography) a2 AF-S priority select Focus Shooting Mode CH (Continuous High) a3 Focus track lock-on OFF Shooting Mode CH (Continuous High) a3 Focus track lock-on OFF WB Variable, dep. on situation a4 AF Activation ON WB Variable, dep. on situation a4 AF Activation ON ISO 64 - 6400 dep. on situation a5 Focus point illumination ON, ON, Squares ISO 100 - 6400 dep. on situation a5 Focus point illumination ON, ON, Squares QUAL RAW a6 AF point illumination ON QUAL JPEG or RAW dep. on situation a6 AF point illumination ON Autofocus Mode AF-S or AF-C dynamic 21-points a7 Focus point wrap ON Autofocus Mode AF-S or AF-C dynamic 21-points a7 Focus point wrap ON a8 Number of focus points 51 a8 Number of focus points 51 Shooting Menu a9 Store by orientation ON Shooting Menu a9 Store by orientation ON Shooting Menu Bank A a10 Built-in AF assist illum OFF Shooting Menu Bank B a10 Built-in AF assist illum OFF Extended menu banks ON a11 Limit AF-area mode All checked Extended menu banks ON a11 Limit AF-area mode All checked Storage folder Default a12 Autofocus mode restr. -
Camera Settings Guide
Camera Settings Guide • " " and " " are trademarks or registered trademarks of Sony Corporation. • All other company and product names mentioned herein are used for identification purposes only and may be the trademarks or registered trademarks of their respective owners. TM and ® symbols are not included in this booklet. • Screen displays and effects used to illustrate some functions are simulated. Conventional autofocus has until now dealt with space alone. Sony goes one step further — a big step, with an innovative image sensor that picks up both space and time to capture moving subjects with new clarity. Sony spells the beginning of a new autofocus era. 4D FOCUS allows you to take crisper photos than ever. Plain old autofocus is a thing of the past. The future of photography is in motion. What is 4D FOCUS? Space: 3D Time: 4D 4D FOCUS Area Depth Time Wide Fast Steadfast The wide AF area, covering nearly the Fast Hybrid AF, combining phase- An advanced AF algorithm accurately entire frame, allows focusing on a detection AF and contrast-detection AF, predicts subject’s next move. Precise AF subject positioned even off the center instantly detects distance to the subject tracking allows focus to be maintained of the frame. to focus accurately. even on fast-moving subjects. Meeting your focusing demands Basic AF performance of Wide Fast Steadfast Focusing over wide area Instant focusing! Once it's focused, it never lets go The 6000 employs a focal plane phase- Advanced Fast Hybrid AF combines phase- With Focus Mode set to AF-C, the camera detection AF sensor with 179 AF points spread detection AF and contrast-detection AF to achieve displays one or more small green frames to cover nearly the entire frame.