ADE 620

Discussion : Camera Angles and Shots

  1. Define the meaning of aperture, shutter speed, ISO, and depth of field (DOF)
  2. Differentiate the purpose of camera angles and shots.

 

1.  Aperture: Aperture is a hole within a lens. It is the measurement or size of the opening in the lens which controls the amount of light. The larger  the aperture, the more lights gets in. Some lenses have fixed aperture, and some have variables apertures to control the amount of light.

2. Shutter Speed – the length of time a camera shutter is open to expose light into the camera sensor. Shutter speeds are typically measured in fractions of a second, when they are under a second. Slow shutter speeds allow more light into the camera sensor and are used for low-light and night photography, while fast shutter speeds help to freeze motion.

3. ISO – ISO can be defined as the level of sensitivity of our camera to available light. The lower the ISO number, the less sensitive it is to the light, while the higher of ISO number, it will increases the sensitivity of our camera. The component within your camera that can change sensitivity is called “image sensor” or simply “sensor”. It is the most important and most expensive part of a camera and it is responsible for gathering light and transforming it into an image

4. Depth – is the front-to-back zone of a photograph in which the image is razor sharp. As soon as an object (person, thing) falls out of this range, it begins to lose focus at an accelerating degree the farther out of the zone it falls; e.g. closer to the lens or deeper into the background. From what I understand this, it mean when camera lens focus to something area so , area that not focus will be blurred and for focus area will be more depth, sharp and clear.

Resources ; 1.  https://photographylife.com/iso-shutter-speed-and-aperture-for-beginners

2. http://www.exposureguide.com/focusing-basics.htm

Differentiate the purpose of camera angles and shots.

Camera Angles is affect how we perceive it. The more extreme the angle, the more symbolic and heavily-loaded the shot but Camera Shots is whereas camera shot direct who and what we see.

Resource ; http://www.edu.pe.ca/threeoaks/art/digital%20arts%20site/unit4/pdf/shots.pdf

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ADE 610

Discussion : Colour

  1. Define the meaning of CMYK and RGB
  2. Differentiate the purpose of;
    • Channel and Colour Correction
    • Saturation and Brightness

 

  1. Defining CMYK and RGB
  • CMYK is stand for Cyan, Magenta, Yellow and K for black. CMYK is refers to full color printing.  Because of the potential confusion with the words and abbreviations for blue and black, blue is called cyan and abbreviated C, and black is abbreviated K.
  • RGB is stand for Red, Green, Blue. RGB is the color system for computer monitors, video, etc. Without going into the science, it is critical to understand that PMS and CMYK are for printed pieces and RGB is for computer applications such as web sites.

Resources:

http://graphicdesign.stackexchange.com/questions/60/what-is-the-difference-between-cmyk-and-rgb-are-there-other-color-spaces-i-shou

2. Differentiate the purpose;

i) Channel and Colour Correction

  • Fixing exposure problems
  • Fixing white balance problems
  • Repairing excessive noise from aggressive ISO settings

ii) Saturation and brightness:

– Saturation is the intensity of a hue from gray tone (no saturation) to pure, vivid color (high saturation)

– Brightness is the relative lightness or darkness of a particular color, from black (no brightness) to white (full brightness)

Resource : http://www.georeference.org/doc/colors_as_hue_saturation_and_brightness.htm

ADE 610

Discussion : Point of Sale KIOSK

  1. Have you ever used a point-of-sale kiosk? Where? Did it have multimedia? Compare the way it functioned to traditional shopping; did the kiosk complement, replace, or make traditional shopping unnecessary?
  2. Find point-of-sale kiosk in your community. Describe its look and feel. Observe people using it and describe any problems or advantages you observe.

 

Discussion : Point of Sale KIOSK

  1. Have you ever used a point-of-sale kiosk? Where? Did it have multimedia? Compare the way it functioned to traditional shopping; did the kiosk complement, replace, or make traditional shopping unnecessary?

Yes I have used it before. It have many kind of banking such as bank islam , bsn , maybank and others .  Yes of course it have multimedia such as text, audio, images, and interactive content from it make us easily in banking . Using a point of sale KIOSK is not limited to standing at shop because all the selling power you need is right at your fingertips. With the simple touch and swipe of a finger you can browse catalogs, process orders, swipe credit cards and print or email receipts on the spot. Revel Systems Kiosk POS is a fast, versatile and intuitive system that gives the customers the freedom to order and pay at their table or around the store, in their own time. I think that kiosk is very complement and can be replace because of their have many benefit to all people especially people nowadays .

Resource

http://www.bluebird-global.com/kiosk-pos/

 

2. Find point-of-sale kiosk in your community. Describe its look and feel. Observe people using it and describe any problems or advantages you observe.

Advantages:

1. Save time

2. The process is faster

3. Available for 24 hour

 

 Limitations:

1. It will have the problem when that ATM machine is out of service

2. Sometimes that ATM machine can’t read our bank card.

JPEG vs JPEG2000

JPEG vs JPEG 2000 ?

JPEG is a type of lossless compression. A different between those two is the color. When it comes to data compression, JPEG shows worse quality than in JPEG 2000. The different can be seen on the brightness of the color. Other than that, the compression ratios of JPEG is lower than JPEG 2000. In this context, JPEG 2000 provide a bigger chances of compression ratios to change the size of the original colour. JPEG 2000 is known as the latest from the first version which is JPEG.

Resources : 1) http://www.stat.columbia.edu/~jakulin/jpeg/artifacts.htm

2) http://www.levien.com/gimp/jpeg2000/comparison.html