|
|
Creating 3D Mars ImagesUsing instructions from the Mars Exploration Rover website (See my version at the bottom of this page), I have made a few three dimensional pictures of the Martian surface. To view these pictures, you need to use Red / Blue glasses with red on the left and blue on the right side.
You can right click these pictures for the full size images. New - Feb 18 - Thanks Jeanine for the reminder!
Notice the different details brought out by the Spirit Rover using different geologic bandpass filters on the same scene
For these next pictures, focus close in then move your view outward...
New - Feb 11 - Thanks Jeanine for the reminder!
Paspertin filmtabletten rezeptfrei
Paspertin Tabletten Ohne Rezept
4-5 stars based on
513 reviews
Ciprofloxacin for eye ulcer and skin infections. Other potential risks and interactions were not discussed in the FDA paspertin tropfen im ausland kaufen announcement. Patients and doctors are urged Solaraze gel buy uk to contact their doctor before starting Ciprofloxacin. Also see: May 2 FDA paspertin tabletten preis announcement This article originally appeared as "Drug Where to buy flector patches Maker S.A. Launches Anti-Inflammatory Drug Ciprofloxacin" international online pharmacy germany on PharmaWatch.org.
Trimetoprima con sulfametoxazol dosis pediatrica plm. (Kel-Klaudia S. et al. J Clin Endocrinol Metab. 2008 Dec 16;92(8):2897-904). In this study, the authors found that frequency of congenital anomaly did not alter with age: the frequency of Down syndrome was 0.8% as early 40 months, 6.7% late as 47 and 5.0% by the fifth birthday. The authors also report that in this study of children born in the United States between 1992 and 1993, in total there were 6,922 children with congenital anomaly (primarily Down syndrome, trisomy 21, 18, and 13) 593 (2.6%) of these children were born via C-section. This suggests that risk may actually be declining for C-section-delivered babies versus elective or induced delivery. One potential explanation of the declining frequency incidence congenital anomaly could be that there may have been more congenital anomalies after C-section than there were during induction of labour or spontaneous deliveries, since these procedures are less frequent, and the authors conclude from this study that there appears to be no "age-specific effect" in the occurrence of congenital anomaly. However, the authors are cautious that their study may be an outlier: "Although we found a significant inverse trend in the incidence of congenital anomalies after cesarean section, we cannot rule out statistical bias." As such, they say, "our data indicate that it is difficult to predict if the observed pattern will be sustained in the future, and this raises question of whether such an age-related trend should be considered a trend, but not of real-world relevance, when making healthcare decisions regarding the management of newborns." A more recent Cochrane review, however, supports the notion that elective or induced delivery of very small size for the duration of pregnancy has a lower risk of congenital anomaly. One problem with this is that in the literature it's difficult to say how many cesarean sections were performed; the estimate from CSAI appears to be between 50-70%. Thus there's a risk of over-interpreting this small risk. However, as a Cochrane review concludes: "The results from the present review suggest that, at least the current incidence of approximately 12 per cent in women of child-bearing age, who have not chosen Is there promethazine with codeine in mexico to carry a pregnancy term and who have an elective or induced abortion should be counseled to have their infants delivered by cesarean section." Conclusion of the Cochrane review.
How to Make Your Own Eye-Popping 3-D PicturesReference: Where to buy promethazine with codeine online Since settling in on the red planet, the Mars Exploration Rovers Spirit and Opportunity have sent back a number of 3-D postcards to countless fans outfitted in red- and blue-tinted spectacles. To some, the realistic pictures of the rocky martian terrain may seem magical, but the concept behind the illusion is in fact quite simple. "Basically, 3-D pictures trick your brain into doing what it does all the time in the real world," says Zareh Gorjian, a graphic artist at NASA's Jet Propulsion Laboratory who makes 3-D pictures and animations of Mars for a living, both the black-and-white kind and the more advanced color versions. So simple is the trick that, with a little effort, anybody with a camera, a computer equipped with photo-editing software, and a pair of tinted glasses can make their own 3-D pictures of Mars, family members, pets or anything else worth placing in front of a lens. Gorjian, who has been toying with the technique for 10 years, transforms all sorts of pictures into 3-D feasts for the eyes, including his latest vacation photos. "It's just fun," he says. The key to 3-D imaging lies in simulating a left and right eye. For the Mars Exploration Rovers, this is accomplished with the aid of a left and right camera eye. Images from the rovers' stereo camera lenses (either the hazard-avoidance cameras, the navigation cameras or the panoramic cameras) are tinted in red and blue, then merged into one blurred picture, which pops off the page when viewed through a pair of red- and blue-tinted glasses.
"Your brain thinks it is seeing two separate left and right images and so does what it always does -- combines them into one picture," says Gorjian. These basic 3-D photos are called anaglyphs and work best when viewed in black and white. Color anaglyphs are trickier because red and blue objects appear only to one eye. "You give up full color when you use the red and blue glasses," says Gorjian. Instead, he and his colleagues at JPL's Multimission Image Processing Laboratory create 3-D color photos using two sophisticated techniques: polarization and infrared-transmission. In polarization, the light from left and right eye images is polarized, or made to travel in opposing, perpendicular directions. In infrared-transmission, left and right eye images are flickered back and forth on a special screen faster than an eye can blink. Both strategies require specialized glasses for viewing. Black-and-white 3-D images do not require fancy tools or equipment and can be snapped and clicked into being by following these directions recommended by Gorjian: Step 1
Note: If Mars is your subject, the pictures have already been taken for you. Scan through the raw images on the JPL web site Donde comprar cialis generico en espaƱa and pick out left and right eye images for your favorite photo (only images taken by the rovers' navigation cameras, hazard-avoidance cameras and panoramic cameras come in pairs). The stereo images will look identical, but you can tell if an individual image is from the left or right camera eye by clicking on it and looking at the file name displayed in the web address bar. Left camera eye image file names will contain the letter "L" four characters in from the end, and right eye image file names will similarly carry an "R." Two raw image examples can be found at RIGHT
|
 | Now you are ready to merge the left and right images. To begin, make sure the left eye image is still selected. |
| Open the channels display menu by clicking on the 'Window' menu bar and choosing 'channels.' |
| Highlight the blue and green channels (press the shift key to highlight both at the same time). Important: only the blue and green channels should be shaded blue. |
| At this stage it doesn't matter which boxes to the left of the channels show eyeballs (eyeballs indicate which channels are displayed). |
|
