The document discusses the anatomy and function of the human eye. It describes the retina as containing rod and cone cells responsible for vision in low and high light as well as color vision. The three types of cone cells each contain a pigment sensitive to red, green, or blue light which allows the eye to perceive almost any color gradation. The eye's retention capability is what allows it to assemble still images into continuous motion when viewed rapidly in sequence.
Here are the points one should know while designing anything using colours. Terms like Hue, Saturation, Brightness, RGB, CMYK, Color Wheel are well explained here. One can also know about palletes and colour models. Please also read my presentation on Image file formats to know almost all basics related to designing on computers.
Here are the points one should know while designing anything using colours. Terms like Hue, Saturation, Brightness, RGB, CMYK, Color Wheel are well explained here. One can also know about palletes and colour models. Please also read my presentation on Image file formats to know almost all basics related to designing on computers.
Color Grading with Media Composer® and Symphony™ 6 (Lesson 2)Avid
Color Grading with Media Composer and Symphony 6, Avid Worldwide Training’s newest publication, is designed for the intermediate to advanced Avid editor who wants to delve into the world of color correction and grading. It is the final book in the Avid Learning Series, published by Cengage Learning, and available today direct from the publisher and from major booksellers. Copyright Cengage Learning.
lecture 16 from a college level introduction to psychology course taught Fall 2011 by Brian J. Piper, Ph.D. (psy391@gmail.com) at Willamette University, includes anatomy of eye/brain, dorsal pathway, ventral pathway, figure/ground, many illusions, synesthesia
Color Grading with Media Composer® and Symphony™ 6 (Lesson 2)Avid
Color Grading with Media Composer and Symphony 6, Avid Worldwide Training’s newest publication, is designed for the intermediate to advanced Avid editor who wants to delve into the world of color correction and grading. It is the final book in the Avid Learning Series, published by Cengage Learning, and available today direct from the publisher and from major booksellers. Copyright Cengage Learning.
lecture 16 from a college level introduction to psychology course taught Fall 2011 by Brian J. Piper, Ph.D. (psy391@gmail.com) at Willamette University, includes anatomy of eye/brain, dorsal pathway, ventral pathway, figure/ground, many illusions, synesthesia
Lighting in television or film is a fundamental part of any production.This presentation includes nature of light,color,color temperature,white balance,basic lights,anatomy of human eye, .....and many more.
http://www.ccsprojects.com/ – There are many digital cinema projection systems available, but which one will best serve the needs of your business and the expectations of your customers? This whitepaper from CCS Presentation Systems partner Christie Digital discusses the relevant technologies, their fundamental differences and show how they impact the factors that are most important for theatrical exhibition: image quality, functionality, reliability and cost of ownership.
Freedom in Lighting Design by Tuning the CCT with LEDs, LpS 2015, BregenzWojtek Cieplik
This presentation will look at the principles of colour mixing with an explanation of why two light sources made up of different wavelengths may appear to be the same colour. The connection between the colour qualities of electric light sources and human mood, health and productivity will also be a major focus.
White Paper: Driving the New Era of Immersive Experiences describes how full immersion is achieved by simultaneously focusing on the broader dimensions of visual quality, sound quality, and intuitive interactions. The optimal way to enhance these broader dimensions requires an end-to-end approach, heterogeneous computing, and utilizing cognitive technologies.
Learn more at: https://www.qualcomm.com/immersive
Download the paper at: https://www.qualcomm.com/documents/whitepaper-driving-new-era-immersive-experiences-qualcomm
Sign up for our mobile computing newsletter at: https://www.qualcomm.com/invention/technologies/mobile-computing/signup
GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Dr. Sean Tan, Head of Data Science, Changi Airport Group
Discover how Changi Airport Group (CAG) leverages graph technologies and generative AI to revolutionize their search capabilities. This session delves into the unique search needs of CAG’s diverse passengers and customers, showcasing how graph data structures enhance the accuracy and relevance of AI-generated search results, mitigating the risk of “hallucinations” and improving the overall customer journey.
Generative AI Deep Dive: Advancing from Proof of Concept to ProductionAggregage
Join Maher Hanafi, VP of Engineering at Betterworks, in this new session where he'll share a practical framework to transform Gen AI prototypes into impactful products! He'll delve into the complexities of data collection and management, model selection and optimization, and ensuring security, scalability, and responsible use.
Maruthi Prithivirajan, Head of ASEAN & IN Solution Architecture, Neo4j
Get an inside look at the latest Neo4j innovations that enable relationship-driven intelligence at scale. Learn more about the newest cloud integrations and product enhancements that make Neo4j an essential choice for developers building apps with interconnected data and generative AI.
Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!SOFTTECHHUB
As the digital landscape continually evolves, operating systems play a critical role in shaping user experiences and productivity. The launch of Nitrux Linux 3.5.0 marks a significant milestone, offering a robust alternative to traditional systems such as Windows 11. This article delves into the essence of Nitrux Linux 3.5.0, exploring its unique features, advantages, and how it stands as a compelling choice for both casual users and tech enthusiasts.
UiPath Test Automation using UiPath Test Suite series, part 6DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
Throughout the session, participants will discover how this synergy empowers testers to automate repetitive tasks, enhance testing accuracy, and expedite the software testing life cycle. Topics covered include the seamless integration process, practical use cases, and the benefits of harnessing AI-driven automation for UiPath testing initiatives. By attending this webinar, testers, and automation professionals can gain valuable insights into harnessing the power of AI to optimize their test automation workflows within the UiPath ecosystem, ultimately driving efficiency and quality in software development processes.
What will you get from this session?
1. Insights into integrating generative AI.
2. Understanding how this integration enhances test automation within the UiPath platform
3. Practical demonstrations
4. Exploration of real-world use cases illustrating the benefits of AI-driven test automation for UiPath
Topics covered:
What is generative AI
Test Automation with generative AI and Open AI.
UiPath integration with generative AI
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
zkStudyClub - Reef: Fast Succinct Non-Interactive Zero-Knowledge Regex ProofsAlex Pruden
This paper presents Reef, a system for generating publicly verifiable succinct non-interactive zero-knowledge proofs that a committed document matches or does not match a regular expression. We describe applications such as proving the strength of passwords, the provenance of email despite redactions, the validity of oblivious DNS queries, and the existence of mutations in DNA. Reef supports the Perl Compatible Regular Expression syntax, including wildcards, alternation, ranges, capture groups, Kleene star, negations, and lookarounds. Reef introduces a new type of automata, Skipping Alternating Finite Automata (SAFA), that skips irrelevant parts of a document when producing proofs without undermining soundness, and instantiates SAFA with a lookup argument. Our experimental evaluation confirms that Reef can generate proofs for documents with 32M characters; the proofs are small and cheap to verify (under a second).
Paper: https://eprint.iacr.org/2023/1886
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AIVladimir Iglovikov, Ph.D.
Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation.
Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners.
This case study covers various aspects, including:
People: The contributors and community that have supported Albumentations.
Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
Challenges: The hurdles in monetizing open-source projects and measuring user engagement.
Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration.
Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community.
Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations.
Mental Health: Maintaining balance and not feeling pressured by user demands.
Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth.
Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects.
Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentations
Why You Should Replace Windows 11 with Nitrux Linux 3.5.0 for enhanced perfor...SOFTTECHHUB
The choice of an operating system plays a pivotal role in shaping our computing experience. For decades, Microsoft's Windows has dominated the market, offering a familiar and widely adopted platform for personal and professional use. However, as technological advancements continue to push the boundaries of innovation, alternative operating systems have emerged, challenging the status quo and offering users a fresh perspective on computing.
One such alternative that has garnered significant attention and acclaim is Nitrux Linux 3.5.0, a sleek, powerful, and user-friendly Linux distribution that promises to redefine the way we interact with our devices. With its focus on performance, security, and customization, Nitrux Linux presents a compelling case for those seeking to break free from the constraints of proprietary software and embrace the freedom and flexibility of open-source computing.
Observability Concepts EVERY Developer Should Know -- DeveloperWeek Europe.pdfPaige Cruz
Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
Removing Uninteresting Bytes in Software FuzzingAftab Hussain
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
Communications Mining Series - Zero to Hero - Session 1DianaGray10
This session provides introduction to UiPath Communication Mining, importance and platform overview. You will acquire a good understand of the phases in Communication Mining as we go over the platform with you. Topics covered:
• Communication Mining Overview
• Why is it important?
• How can it help today’s business and the benefits
• Phases in Communication Mining
• Demo on Platform overview
• Q/A
UiPath Test Automation using UiPath Test Suite series, part 5DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 5. In this session, we will cover CI/CD with devops.
Topics covered:
CI/CD with in UiPath
End-to-end overview of CI/CD pipeline with Azure devops
Speaker:
Lyndsey Byblow, Test Suite Sales Engineer @ UiPath, Inc.
UiPath Test Automation using UiPath Test Suite series, part 5
Basic led technologyal
1.
2. The innermost layer is the
retina –the light-sensing
portion of the eye. The
retina has retentive value
which means that it stores
images for a fraction of a
second It contains rod
cells, which are
responsible for vision in
low light, and cone cells,
which are responsible for
color vision and detail.
3. The color-responsive chemicals in the
cones are called cone pigments and
are very similar to the chemicals in the
rods.. There are three kinds of color-
sensitive pigments:
•Red-sensitive pigment
•Green-sensitive pigment
•Blue-sensitive pigment
•Each cone cell has one of these
pigments so that it is sensitive to that
color. The human eye can sense
almost any gradation of color when
red, green and blue are mixed.
•The eye can process about 100
shades of gray. Movie film can handle
about 50 and video about seven
4. If you divide a still image into a
collection of small colored dots,
your brain will reassemble the dots
into a meaningful image
If you divide a moving scene into a
sequence of still pictures and show
the still images in rapid succession,
the brain will reassemble the still
images into a single movie (It takes
about 15 to 20 frames a second
before you begin to see smooth
animation) This is based on the
retention capability of the eye.
5. A single cluster of LEDs is used as a pixel.
A pixel is a picture element; the smallest individual
unit or piece of a video display image. A pixel is
an individual dot in a video display.
Each pixel has its own color and brightness
attributes.
6.
7. A display’s pitch is its measurement of distance
from the center of one pixel to the center of
another pixel.
The pitch determines the viewing distance. The
smaller the pitch, the shorter the viewing distance.
8. Minimum Distance: The point at which the fully illuminated red,
green, and blue components appear to the eye to blend into
white.
Maximum Distance: The point at which the smallest characters
the display can generate begin to be illegible. This point varies
greatly with the content of the display.
Minimum distance = 2’ x pitch
◦ Ex: 2’ x 12 mm = 24’
Maximum distance = min. distance X 7
◦ Ex: 24’ x 7 = 168’
OR
Maximum distance = 30 to 40 times the height of the display
◦ Ex: 9’ x 12’ = 270’ – 360’
9.
10.
11. Fill factor refers to the amount of black space
between pixels.
A high fill factor means more LEDs per ft² and
generally a smoother looking picture.
Low Fill Factor High Fill Factor
12. Resolution is the total
number of pixels in a
display.
The higher the number of
pixels the greater the
possible detail.
A standard video signal
(NTSC) has a native
resolution of 645 x 485
pixels.
300x300
80 x 80
13. Relationship in a video image between the
width of the image and the height of the image
expressed in generic terms of units width by
height (4:3, 16:9).
The aspect ratio for NTSC video and most
computer monitors is 4:3. The standard aspect
ratio for digital HDTV is 16:9.
14. LED brightness is measured in
candelas per square meter
(cd/m2) a.k.a. nits (roughly 0.3
foot lamberts). The higher the
number, the brighter the display.
No correlation with illuminated
brightness such as LUX (Lumens
per m²).
1500 nits provides readable text
in outdoor daylight. Video
requires up to 5,000 for good
color depth.
Indoor video requires 1,500 to
2,500 nits.
Barco brightness measured at
6500ºK.
15. Measured in degrees Kelvin,
color temperature is an
indication of the amount of
“warmth” (yellow, red tones)
or “coolness” (blue tones) in
a white light.
Standard video color
temperature is 6500ºK.
Barco’s color temperature is
adjustable.
16. Contrast ratio is a measure of the dynamic range of a displayed
image - the distance between the “whitest” white and the
“blackest” black in a video wave form.
There is no industry standard method of measuring contrast
ratio. LED has high numbers because it has no residual glow
when turned off in a dark room.
A more important number for video is shades of gray.
17.
18. International IP scale is a unique reference base for all types of
industrial applications.
Tiles resistant to:
◦ Water
◦ Heat
◦ UV
◦ Vibrations
◦ Dust
◦ Salt
◦ Animal intrusion
19. Typical LED voltage drop is 2 to 3 volts
per 25 feet of LED strips. Most LED
products will start to dim when voltage
is lowered more than 2 volts.
20. Lumens measure how much light you are getting
from a bulb. More lumens means it's a brighter
light; fewer lumens means it's a dimmer light.
Lumens are to light what pounds are to bananas
gallons are to milk
Lumens let you buy the amount of light you want.
So when buying your new bulbs, think lumens, not
watts.
The brightness, or lumen levels, of the lights in
your home may vary widely.
21. In short, the NIT is a measurement of direct
light while a lumen is a measurement of
reflected light.
It takes 3.5 lumens per square meter is equal to
1 nit per square meter. So 7000 lumens equals
2500 nits. One 100 light bulb is 1600 hundred
lumens or 457 nits.
RELIABILITY is critical for Daylight displays -
Prime time sports events, live shows, corporate vents, paid advertising in prominent locations do not mix well with product failures. Failures are highly visible.
Therefore take ALL Precautions to optimize RELIABILITY
WATER and DUST/POLUTION resistance are 2 keys aspects that can improve reliability
IP Chart defines how resistant to dust and water a product is. EVER product should have an IP certification. Even a rating of IP00 still tells you how you need to protect it.
Heat resistance is another key area. However, many LED walls require air conditioning not just because of the requirement to cool the displays but because humidity must be removed.
Where a wall is NOT waterproof considerable care needs to be taken to ensure that no humidity can get onto the circuit boards. This needs something far more than a simple shelter.
Before you place a $1M+ non-waterproof LED wall outside consider how much protection you need to take to avoid circuit board failures.