Thursday, October 16, 2008



this is my last and final activity in itmm 211.. it has been a joyful journey for my itmm211 class. i thank you sir for the knowlegde and i will miss the kalokohan of our class.. save the best for the last!

Friday, October 10, 2008

wall of freedom!




I call this very colorful wall of mine as the "wall of freedom". From a plain wall, i traced it into a colorful one. There are two reasons, one, I want to express what I have inside me.. And secondly,i want people to know that life is very colorful.. We should not stick on just what we feel right now and live life to the fullest!

Friday, October 3, 2008

chen_favorite



this is my favorite because i was attracted by the beauty of the flower. and i want the impossible to become possible. so i want the petals of the gumamela to be in blue.. hehehe! illustrator yan.... hhhmmm! galing ng illustrator!

chen_trace#9





hhmmmm.... Isn't it nice? hehehe! I dreamt to have a car of my own.. So instead of buying a car and spending much money, i took up a picture of this car although it is not my dream car and edited it on my own imagination. This activity was very nice that we can do what we want and what we are dreaming of.. thanks sir rrj!

Friday, September 19, 2008

Thursday, August 7, 2008

lyposaction-after






after all the trial and error, i came up with this one. basically, t's hard to move angle because if you will have just press a ittle bit long, the other angle of the image would be affected.

activity #8- before






it's so cool to have this picture that we are going to edit. the character can change her image n the picture in just a few minutes as to her like.

Monday, July 21, 2008

Activity#4: Photomontage





I really cried when I didn't finish on time our work on lab last Monday. So I really did my best in doing this activity but I admit that I really had difficulty in doing this.I think I need some more practice.

Tuesday, July 15, 2008

Sketching Effect Using Photoshop




At first I have difficulty in doing this but by having the guide and exploring I did it. This activity is really amazing.

Friday, July 4, 2008

Digital Imaging

Aliasing

Aliasing refers to the jagged appearance of diagonal lines, edges of circles, etc. due to the square nature of pixels, the building blocks of digital images.
Term Normal View (1X) Enlarged View (4X) Comment
Aliased Steps or "jaggies" are visible, especially when magnifying the image.
Anti-aliased Anti-aliasing makes the edges look much smoother at normal magnifications.

Anti-aliasing

Anti-aliasing makes the edges appear much smoother by averaging out the pixels around the edge. In this example some blue is added to the yellow edge pixels and some yellow is added to the blue edge pixels, thereby making the transition between the yellow circle and the blue background more gradual and smooth. Most image editing software packages have "anti-aliasing" options for typing fonts, drawing lines and shapes, making selections, etc. Anti-aliasing also occurs naturally in digital camera images and smoothens out the "jaggies".

Artifacts

Artifacts refer to a range of undesirable changes to a digital image caused by the sensor, optics, and internal image processing algorithms of the camera. The table below lists some of the common digital imaging artifacts and links to the corresponding glossary items.
Blooming Maze Artifacts
Chromatic Aberrations Moiré
Jaggies Noise
JPEG Compression Sharpening Halos

Color Spaces

The Additive RGB Colors
The cone-shaped cells inside our eyes are sensitive to red, green, and blue. We perceive all other colors as combinations of these three colors. Computer monitors emit a mix of red, green, and blue light to generate various colors. For instance, combining the red and green "additive primaries" will generate yellow. The animation below shows that if adjacent red and green lines (or dots) on a monitor are small enough, their combination will be perceived as yellow. Combining all additive primaries will generate white.




The Additive RGB Color Space


The Subtractive CMYk Colors
A print emits light indirectly by reflecting light that falls upon it. For instance, a page printed in yellow absorbs (subtracts) the blue component of white light and reflects the remaining red and green components, thereby creating a similar effect as a monitor emitting red and green light. Printers mix Cyan, Magenta, and Yellow ink to create all other colors. Combining these subtractive primaries will generate black, but in practice black ink is used, hence the term "CMYk" color space, with k standing for the last character of black.




The Subtractive CMYk Color Space


The LAB and Adobe RGB (1998) Color Spaces
Due to technical limitations, monitors and printers are unable to reproduce all the colors we can see with our eyes, also called the "LAB" color space, symbolized by the horseshoe shape in the diagram below. The group of colors an average computer monitor can replicate is called the (additive) sRGB color space. The group of colors a printer can generate is called the (subtractive) CMYk color space. There are many types of CMYk, depending on the device. From the diagram you can see that certain colors are not visible on an average computer monitor but printable by a printer and vice versa. Higher-end digital cameras allow you to shoot in Adobe RGB (1998), which is larger than sRGB and CMYk. This will allow for prints with a wider range of colors. However, most monitors are only able to display colors within sRGB.






Compression

Image files can be compressed in two ways: lossless and lossy.
Lossless Compression
Lossless compression is similar to what WinZip does. For instance, if you compress a document into a ZIP file and later extract and open the document, the content will of course be identical to the original. No information is lost in the process. Only some processing time was required to compress and decompress the document. TIFF is an image format that can be compressed in a lossless way

Lossy Compression

Lossy compression reduces the image size by discarding information and is similar to summarizing a document. For example, you can summarize a 10 page document into a 9 page or 1 page document that represents the original, but you cannot create the original out of the summary as information was discarded during summarization. JPEG is an image format that is based on lossy compression.
Dynamic Range
The dynamic range of a sensor is defined by the largest possible signal divided by the smallest possible signal it can generate. The largest possible signal is directly proportional to the full well capacity of the pixel. The lowest signal is the noise level when the sensor is not exposed to any light, also called the "noise floor". Practically, cameras with a large dynamic range are able to capture shadow detail and highlight detail at the same time. Dynamic range should not be confused with tonal range.

Dynamic Range of an Image
When shooting in JPEG, the rather contrasty tonal curves applied by the camera may clip shadow and highlight detail which was present in the RAW data. RAW images preserve the dynamic range of the sensor and allow you to compress the dynamic range and tonal range by applying a proper tonal curve so that the whole dynamic range is represented on a monitor or print in a way that is pleasing to the eye. This is similar to the more extreme example in the tonal range topic which shows how the larger dynamic range and tonal range of a 32 bit floating point image were compressed.
Pixel Size and Dynamic Range
We learned earlier that a digital camera sensor has millions of pixels collecting photons during the exposure of the sensor. You could compare this process to millions of tiny buckets collecting rain water. The brighter the captured area, the more photons are collected. After the exposure, the level of each bucket is assigned a discrete value as is explained in the analog to digital conversion topic. Empty and full buckets are assigned values of "0" and "255" respectively, and represent pure black and pure white, as perceived by the sensor. The conceptual sensor below has only 16 pixels. Those pixels which capture the bright parts of the scene get filled up very quickly

Once they are full, they overflow (this can also cause blooming). What flows over gets lost, as indicated in red, and the values of these buckets all become 255, while they actually should have been different. In other words, detail is lost. This causes "clipped highlights" as explained in the histogram section. On the other hand, if you reduce the exposure time to prevent further highlight clipping, as we did in the above example, then many of the pixels which correspond to the darker areas of the scene may not have had enough time to capture any photons and might still have value zero (hence the term "clipped shadows" as all the values are zero, while in reality there might be minor differences).
One of the reasons that digital SLRs have a larger dynamic range is that their sensors have larger pixels. All things equal (in particular fill factor, "bucket" depth, and exposure time), pixels with a larger exposed surface can collect more photons in the shadow areas than small pixels during the exposure time that is needed to prevent the bright pixels from overflowing.
It is easy to understand that one of the reasons digital SLRs have a larger dynamic range is that their pixels are larger. Larger pixels can collect more photons in the shadow areas before the bright ones start to overflow.
Some Dynamic Range Examples

The dynamic range of the camera was able to capture the dynamic range of the scene. The histogram indicates that both shadow and highlight detail is captured.


Here the dynamic range of the camera was smaller than the dynamic range of the scene. The histogram indicates that some shadow and highlight detail is lost.


The limited dynamic range of this camera was used to capture highlight detail at the expense of shadow detail. The short exposure needed to prevent the highlight buckets from overflowing gave some of the shadow buckets insufficient time to capture any photons.


The limited dynamic range of this camera was used to capture shadow detail at the expense of highlight detail. The long exposure needed by the shadow buckets to collect sufficient photons resulted in overflowing of some of the highlight buckets.


Here the dynamic range of the scene is smaller than the dynamic range of the camera, typical when shooting images from an airplane. The histogram can be stretched to cover the whole tonal range with a more contrasty image as a result, but posterization can occur.

The dynamic range of the camera was able to capture the dynamic range of the scene. The histogram indicates that both shadow and highlight detail is captured.





Here the dynamic range of the camera was smaller than the dynamic range of the scene. The histogram indicates that some shadow and highlight detail is lost.


The limited dynamic range of this camera was used to capture highlight detail at the expense of shadow detail. The short exposure needed to prevent the highlight buckets from overflowing gave some of the shadow buckets insufficient time to capture any photons.


The limited dynamic range of this camera was used to capture shadow detail at the expense of highlight detail. The long exposure needed by the shadow buckets to collect sufficient photons resulted in overflowing of some of the highlight buckets.


Here the dynamic range of the scene is smaller than the dynamic range of the camera, typical when shooting images from an airplane. The histogram can be stretched to cover the whole tonal range with a more contrasty image as a result, but posterization can occur.

Tuesday, July 1, 2008

Introduction to Adobe Photoshop

Adobe Photoshop is the premier photo editing software tool available. Whether you are working on a webpage, Powerpoint presentation, or a document to be printed, Photoshop can be used to enhance your images. Participants will learn about image file types, cropping images, compositing (putting several images together), ghosting images (for use as webpage backgrounds), using layers, creating masks, applying filters, and formatting text with bevels and other effects.
Why use Photoshop?

We live in a mediacentric society that increasingly relies upon multimedia in its varied forms to both inform and entertain us. It is natural for people living within this media-saturated culture to want to create some of that media-- and Adobe PhotoShop is the perfect tool for that task.
With PhotoShop, you can:
Create original artwork
Design graphics for a webpage or website
Make "ghosted" images that can be used as the background for webpages
Correct flaws and imperfections in a photograph
Create a photo collage: a composition made up of several different photos
Create a deceptively realistic photo that is not real
Alter photographs for political / propaganda purposes
Design smashing layouts for a classroom newspaper, brochure, or flyer
Have a ton of fun being CREATIVE!
PhotoShop is a program that is so rich, complex, and powerful, people literally spend most of the waking hours of their life using it, and are still always learning new tricks and techniques! Thankfully, however, the learning curve for PhotoShop is not steep, and users can create very appealing products with a short introduction to the concepts and tools of PhotoShop. That is one of the primary goals of this workshop!
To help spark your own creativity, I have provided documentation of how I created the images used in this online curriculum in the last section, "Graphics Techniques." Every image in this curriculum that is not a "screenshot" is clickable to the provided documentation.
Two of the best known image formats (because they are widely used on the internet) are:
JPEG (Joint Photographic Experts Group) retains 24 bit color (millions of colors).
• extension is .jpg
• Can compress JPEG up to 4:1 (lossy compression, some detail may be lost)
• Can compress in PhotoShop.
GIF (Graphics Interchange Format) developed by Compuserve.
• extension is .gif
• Limited to 8 bit color palatte (256 colors)
• Needs to be in INDEXED COLOR format
• Best for simple graphics
• 3 variations of GIF: transparent, animated, and interlaced
PhotoShop 7 includes support for web transparency, missing in previous versions. This is most useful to web designers making graphics with transparent backgrounds.

Friday, June 27, 2008

Asian Color Symbolism (Philippines)

Red: Happiness, marriage, prosperityPink MarriageYellow: Against evil, for the dead, geomantic blessingsGreen: Eternity, family, harmony, health, peace, posterityBlue: Self-cultivation, wealthPurple: WealthWhite: Children, helpful people, marriage,mourning, peace, purity, travelGold: Strength, wealthGray: Helpful people, travelBlack: Career, evil influences, knowledge, mourning, penance, self-cultivation


Retrieved from http://www.princetonol.com

The meaning of colors in Native American-Cherokee:

Colors were associated with the four directions.Blue represented North which meant cold, defeat and trouble.White was South representing warmth, peace and happiness.Red was East, the color of the Sacred Fire, blood, and success.West was black the color meaning problems and death.Other colors also had special meanings.Brown was good but yellow meant trouble and strife.

The meaning of colors in Western Culture:

Purple and gold are often associated with Royalty, wealth and opulence
Red, White and Blue reminiscent of the American flag, immediately convey notions of patriotism and, to some extent, conservatism.
Green has taken on a very strong connotation as the color representing ecology and concern for the environment, however, it also conveys meanings associated with money and the suggestion "to go ahead" which is obviously derived from traffic lights.
Colors represent holidays and seasons of the year.
The Fall foliage colors of Red, orange, yellow, and brown are clearly expressive of Thanksgiving. Halloween: Orange and Black. Red and Green represent Christmas. Purple and Yellow and other pastels colors represent Easter.

Blue, Red, White and Grey = Stability, Power, Trustworthiness, Conservatism
Yellow, Brown, Orange, Green = Nature, earthiness, warmth
Red, Orange, yellow = more warmth
Blues and Aquas = water and coolness
Primary colors (Red, Blue, Yellow) = Convey fun

The meaning of the colors in Chinese culture:

The I Ching, or Book of Changes, regards black as Heaven’s color. The saying "heaven and earth of mysterious black" was rooted in the observation that the northern sky was black for a long time. They believed Tian Di, or Heavenly Emperor, resided in the North Star. The Taiji symbol also uses black and white to represent the unity of Yin and Yang. Ancient Chinese regarded black as the king of colors and honored black longer than any other color. Lao Zi said that "five colors make people blind," so the Dao School chose black as the color of the Dao.
White represented gold and symbolized brightness, purity, and fulfillment. White also is the color of mourning. Ancient Chinese people wore white clothes and hats only when they mourned for the dead. That tradition is still practiced today.
The Chinese people, both ancient and modern, cherish the color red. Red is everywhere during Chinese New Year and other holidays and family gatherings for it symbolizes good fortune and joy. Unfortunately, since the Communist takeover of China, red has been used by the Chinese Communist Party to represent danger, blood, violence and radical actions.
Blue-green indicates spring when everything overflows with vigor and vitality.
Yellow symbolizes the earth. The old saying, "Yellow generates Yin and Yang," meant that yellow is the center of everything. Yellow was the symbolic color of the five legendary emperors of ancient China. Placed above brown, yellow also signifies neutrality and is considered the most beautiful color. Yellow also represents freedom from worldly cares and is thus esteemed in Buddhism. Monks' garments are yellow as well as Buddhist temples.
Color embodies an even richer culture in Chinese folk traditions. Yellow is the color for emperors. Yellow often decorates royal palaces, altars and temples. Yellow also represents being free from worldly cares. Therefore it is also a color respected in Buddhism.

Retrieved from http://www.ask.com

Monday, June 23, 2008

Reaction Paper on “URDUJA” Movie

First and foremost, all I can say about the “Urduja” movie was very fantastic. The scenery was good and very colorful. If we can observe, the scenery was brighten by the different colors. The primary color such as the green color to name the few was very nice especially when it was mixed with other color and can form another color. and I would also like to mention how fantastic the sceneries are! It is fantastic because the staffs can really make the characters and also the scenery move on their way that should be. That’s all.