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April 5, 2008

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Class 6

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Class 6

Today we want to do couple of things. Title is image composition. We have been creating images from the stratch from thebeginning and then manipulated those image and also use live video and manipulate that. Today we are gong to mix two images and composite them!

We have two separate images and we have the third image that we combine those two images. Our next assignment is due to 2 weeks later. It is based on perception etc. Painting styles. Different styles of painting on the screen. He alreasdy prepared some samples for us, mosaic etc.

Let’s start by blending two images.

In his mind it is like two images proportion of first image and proportion of the second image and combine them. we are creating blend.

Our first example is blend by hand. we are blending two images according to the mouse. one downsize is expensive calculation. Using floating point is expensive. We are using floating point. e should find a better way to do it.

Shifting: we have a anumber which is a word. 2 bytes. 0-32000.

Each byte is divided into 8 bits. 0000 0000 0000 0001 we want to multiply that number by two. we shift that number by one << 1 0000 0000 0000 0010

multiply by 256 we shift by 8. 0000 0000 1000 0000

Shifting comes useful when you are doing a multipllication and division.

Take two images give then equal opportunity. Regrettable graphic engines don’t think in that sense. They think of it as a sandwich, take image number one put it 100 opacity and take image number two and put it on top of the other image.

How to try to combine two images in one surfaces where you can differentiate them, without them losing their values and still two, also aspects of one looking at from one point of view and then looking at the other view and seeing the other’s aspect.

mechanically he is limited to pixels, he finds intersting that where is the line that information that is created, until when it is abstract and when it becomes to be an image. still image and motion differs in this things, depth of color is important too, if it is black and white you need more pixels when it is color perhaps it is less.

Dan’s thing that he put up, is 10x10. it is full color, so it makes more sense. than coal foil?

powerty of information as content. Face for example. we can interpret faces pretty easily. on the other what you trying to show is something different it might becmes hard. instead of combining two images as it is it is more important to think of them combining on a surface.

for the week after next, he wants us to do beautiful things, we can do whatever we want. Painting stuff is more important in this assignment, artist puts a paper blank canvas and starts to paint, applies different technics, different artists tried to express different things. 20th. century, few artist tried to replicate what they see on the world.

Level of abstractions. we have photorealism at the one side, totally abstractism. (cubism maybe?) two sides of gamut.

robert cottingham. roxy arcade, it is photorealism. He did the drawing with painting. One extreme side of realism. He doubts about this approach though.

picasso abstraction examples.

This is a good example because it shows us how he is creating his abstraction, he is leaving us a space to make some comment on the piece, maybe interpret in our minds.

photorealism is something we get from the computer for free. Computer doesn’t give us any tools to go from there to some sketch of drawing of leonardo da vinci. in the drawing you can see the characteristics of the guys.

mondrian’s latest works are more like reduction of information, Dan loses his point looking at those. He is looking for a reference.

Picasso is still using tools that are for detailed things (brush) but using them out of their context. Another axis Dan wants to talk about idea of granularity. Whole gamut of granularity starts from photorealistics. The artist is trying to take himself out of the picture. He is not making any comment or he is not putting any comment on the picture.

Seurat’s Gray weather is another example for this granularity. Van Gogh’s example. He is using brush strokes that we can say is the granular level of this piece.

Maybe a piece that uses vector forces for its granularity. Kind of implementing van gogh. Using sketch drawing lines around the image etc.

A smooth gradiation in the whole image. Picasso - the guitar player. Taking multiple times multiple places of the same image and create a collage out of it.

Chuck Close Self-portrait. Duality example.

The last axis he wants to talk about is flying texture and geometry or information. When does the texture becomes information. Bricks are repetitious but then we have a filling and we can see that it is not the same, we don’t perceive it the same, patterns are information are different. In painting you see that a lot of times.

Klimt - Kiss. Heavy with textures. Information uses textures and geometry and it is so inside between each other, he wants to blur what he wants.

Escher 1944-encounter. You can see the textures and they become patterns. When did they become pattern, he wants to blur those two. Symmetry and repetition. background and foreground.

Keith Haring-baby. He puts Keith in the same context as Leonardo.

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