The idea behind stereo photography is to take two similar photographs, but from different positions displaced horizontally (like our eyes). Stereo photography is very old, dating back to 1838, but some of the old stereo cameras and stereo photograph viewers, such as the one shown in Figure 41-1a, can still be found at antique shops. Stereograms evolved from stereo photography, in which two photographs are taken from slightly different camera positions (representing the displacement between our eyes). It all started back in the 1960s, when Bela Julesz, who worked at (AT&T) Bell Labs researching human vision-particularly depth perception and pattern recognition-created the random-dot stereogram (RDS). 41.1 What Is a Stereogram?Ī stereogram is a 2D image that encodes stereo information so that, when viewed correctly, it reveals a hidden 3D scene. The CD content, including demos and content, is available on the web and for download. You can purchase a beautifully printed version of this book, and others in the series, at a 30% discount courtesy of InformIT and Addison-Wesley. This blog is open to everybody.GPU Gems GPU Gems is now available, right here, online.
Snowman stereogram free#
In short, this is a gathering of 'artists' where everybody is free to post anything that could catch his/her attention. Just like the early childhood memories of a friendship with an imaginary friend, or the one between Morrison and the Shaman, God and His befallen angels, of our ancestors and fire, we are attempting to resemble the beautiful and the ugly, the creative and destructive, blessings and curses, and offer a platform of interaction and reflection for the very own shake of existence. όποιος έχει κάτι να πεί, θα μας βρεί στο mail επικοινωνίας: In the midst of everyday loss and panic, the repeated routine and boring habits, lost artists search for the simplest means of communicating ideas and exchanging thoughts. They embody the Socratic principle: The unexamined life is not worth living, because they realize that many unexamined lives together result in an uncritical, unjust, dangerous world. They recognize the complexities in developing as thinkers, and commit themselves to life-long practice toward self-improvement. They strive never to think simplistically about complicated issues and always to consider the rights and needs of relevant others. At the same time, they recognize the complexities often inherent in doing so. They strive to improve the world in whatever ways they can and contribute to a more rational, civilized society.
They realize that no matter how skilled they are as thinkers, they can always improve their reasoning abilities and they will at times fall prey to mistakes in reasoning, human irrationality, prejudices, biases, distortions, uncritically accepted social rules and taboos, self-interest, and vested interest.
They work diligently to develop the intellectual virtues of intellectual integrity, intellectual humility, intellectual civility, intellectual empathy, intellectual sense of justice and confidence in reason. They use the intellectual tools that critical thinking offers – concepts and principles that enable them to analyze, assess, and improve thinking. They strive to diminish the power of their egocentric and sociocentric tendencies. They are keenly aware of the inherently flawed nature of human thinking when left unchecked. People who think critically consistently attempt to live rationally, reasonably, empathically. Critical thinking is self-guided, self-disciplined thinking which attempts to reason at the highest level of quality in a fair-minded way.
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