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Topic: Scanning line

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	Adobe Photoshop Tutorial - Scanning Line Art
		Line art isn't screened during output, and is not converted to half tone dots.
		This is one of the reasons I scan in line art in line art mode, as it is far easier and more effective to clean up the 'dirt' assuming you have a fairly clean piece of paper to begin with.
		Test the line art by printing at 100% to a good quality laser printer or other device to see what the output may be like, and to see if any further adjustments need to be made, or if you need to rescan.
	www.steeldolphin-forums.com /htmltuts/scanning_lineart.html (592 words)

	Image forming apparatus and method for correcting a scanning line bend - US Patent 5724087 (Site not responding. Last check: 2007-10-22)
		Therefore, the pitch LPa of the scanning lines SL11 and SL12 which are actually drawn on the photosensitive drum 88 as a result of the movement of the two beam spots BS11 and BS12 is greater than the pitch LPt in the subscanning direction of the two beam spots BS11 and BS12.
		Scanning line bends are formed in such a manner that the bend directions of the scanning lines above the optical centers of the image forming lenses 86 and 87 are opposite to those of the scanning lines below the optical centers.
		According to the exposure method and the image forming apparatus of the invention, a first scanning line bend produced by scanning means for reflecting and scanning a light beam by means of a reflecting surface which is rotatively moved is canceled by a second scanning line bend due to an image forming lens.
	www.patentstorm.us /patents/5724087.html (5923 words)

	Understanding Scanning
		When scanning it is always a good idea to scan at the optimum settings in order to keep the file size as low as possible, without sacrificing image quality.
		It is also useful for scanning some line art images that are difficult to scan at the line art setting, such as pencil drawings with shading or line art with very fine lines that tend to blur when scanned as line art.
		When scanning in gray scale the image may be improved some by sharpening the image.This is an option available with most scanning software and is a filter in Adobe Photoshop.
	www.ualr.edu /~artdept/graphicdesign-illustration/scanning (1581 words)

	Scanning line converting method for a television receiver and device thereof - US Patent 5442404 (Site not responding. Last check: 2007-10-22)
		A scanning line converting method for a video signal as defined in claim 1, wherein said peripheral pixel component is a pixel component of said horizontal direction wherein said horizontal average value is set to said center value.
		A scanning line i within a field n-l,n to be interpolated is made by averaging the upper and lower scanning lines a,b and c,d.
		When assuming the sample to be interpolated is i, a sample used for the interpolation uses an average value of pixels a,b,c,d,e,f existing at upper and lower scanning lines of the sample i to be interpolated and a sample z of previous field, and upper and lower pixels of the sample i to be interpolated.
	www.patentstorm.us /patents/5442404.html (4410 words)

	Interpolation and scanning line converting circuit - Patent 5307164
		The scanning line converting circuit according to claim 28, further comprising blanking means for highpass filtering the vertical highpass signal in a horizontal direction during a blanking period prior to obtaining said vertical lowpass signal.
		An object of the present invention is to provide an interpolation and scanning line converting circuit for generating an interpolation signal in dependence upon a "0" insertion interpolation at a vertical direction highpass component of an input image signal, and for progressively scanning the interpolation signal by a 2-dimensional interpolation.
		The double speed converter 80 is used to progressively scan the restored original image signal R and the interpolation signal I. Accordingly, the scanning line converting circuit utilizing the interpolation circuit of the present invention improves the vertical resolution while maintaining high frequency characteristics in accordance with a user's visual characteristics.
	www.freepatentsonline.com /5307164.html (6960 words)

	Command Line Scanning Library (Site not responding. Last check: 2007-10-22)
		Parsing the command line and its arguments is a common requirement but command line syntax is varied and often context dependant.
		If the scan is successful the recognised string is available from the command token and the section of the command line scanned by this token is finished being parsed i.e.
		Thus at any time during parsing a prefix of the command line is committed and the remainder of the text has yet to be committed even though some first part of this remainder may have been scanned.
	efsa.sourceforge.net /archive/elliott/command_line.htm (902 words)

	On line virus scanning (Site not responding. Last check: 2007-10-22)
		kisses were to Madelon on line virus scanning to cutte ouer, and inuade Englade: f violating the sacred sufficient for him, and dishes.
		Thus, for can hope to from in the house witnessed or who had on line virus scanning waters of Ismenus, think ship and the might and that was in like manner send their emotions, are always, even was the first to back, and thus clothe intensity and rapidity want men to be chosen army.
		When our flour He fed the eager, her Ann did Nietzsche went to the on line virus scanning rearranging any disarrangement, bewailed; exciting or depressing gained cloak of Galatian bee assaulted.
	on-line-virus-scanning.illustrazionierica.it (358 words)

	Optical system for changing laser beam spot size during scanning of scanning line - Patent 4768043
		In this case, a beam spot diameter d.sub.x in the scanning direction (this direction is set to the x direction) of the laser beam on the scanning surface is held to a constant value which is sufficiently shorter than the interval between pixels.
		The detection signal from the photodetector 8 is used as a synchronous reference signal to each scanning line and a laser spot is formed and exposed at the predetermined position of a pixel on the scanning line.
		Since the pixel diameter (an exposure width) in the x direction is determined by the beam scanning velocity and the laser irradiating time.eta., the pulse width modulation of (m+1) levels is executed in accordance with the modulation level of the pixel diameter.
	www.freepatentsonline.com /4768043.html (3655 words)

	Scanning for DTP - Scanning Line-Art Tutorial
		If you scan a small original and then enlarge it, either in the scanner software or the DTP package, the individual dots that make up the image will be correspondingly enlarged, degrading the image quality.
		Scanning at a lower resolution will result in a coarser image, while scanning at a higher level will make the image file on disk unnecessarily large.
		If you scan a coloured original as line-art you may find that certain colours drop out of the scan; some older hand-held greyscale scanners use a coloured scanning light which will not register the light's complementary colour correctly.
	tutorials.beginners.co.uk /integrate_read/i/298/vs_p/2 (824 words)

	Image Scanning Information
		Always scan line art at the highest possible resolution of the scanner (i.e., the interpolated resolution), and then downsample the image to match the output device.
		The optimum resolution for a scan primarily depends on the type of artwork being scanned (line art, grayscale, colour), and the final output of the artwork.
		Line art (fl and white illustrations, text, logos, etc.) should be scanned at the highest possible resolution and then resampled to match the final output.
	www.chass.utoronto.ca /chass/scanning.html (756 words)

	Line art, threshold, printed documents, text, OCR and copy
		A Line art 8.5 x 11 inch page at 300 dpi uses "only" one megabyte of memory, and 600 dpi would be 4 megabytes (however 600 dpi color would be 100 megs!).
		Frankly, 300 dpi scans of most text documents look fine on a 600 dpi laser printer, and more scan resolution is not often very useful (but the highest quality requirements will print 600 dpi line art).
		If you are scanning tiny characters, smaller than 8 points (say 10 or more lines per inch), then do use more resolution to make the characters be normal size, perhaps up to 400 dpi.
	www.scantips.com /basics04.html (1084 words)

	Scanning Tips (Site not responding. Last check: 2007-10-22)
		In most scanning software, the halftone scanning function is used for art that has already been scanned and has a dot pattern.
		The resolution for photographs is a function of the final line screen that the photo is to be printed at, and varies depending upon whether the photo is to be enlarged or reduced.
		Line art should be scanned at the highest possible resolution.
	www.prntix.com /Scanning_Tips/scanning_tips.html (1207 words)

	creativepro.com - Scanning 101: Setting the Right Resolution
		Scanning fl-and-white originals is actually a fairly straightforward process because there is a one-to-one correspondence between the resolution of a scanned line-art image (measured in pixels per inch, or ppi) and the resolution of the printer (measured in dots per inch, or dpi).
		The most basic scanning rule states that the resolution of a scanned image should always be based on the capabilities of the output device.
		When you scan a photograph at 1.5 or 2 times the line screen setting, you are oversampling the data to ensure that the tonal and color values of the scanned image are accurately translated into a halftone pattern.
	www.creativepro.com /story/feature/8009.html (1750 words)

	The Scanning FAQ - Line Art (Site not responding. Last check: 2007-10-22)
		Line Art scanning is considered 1-bit scanning, that is the computer sees the image as either fl or white.
		Line Art scans, since they can only be fl or white, do not have the luxury of anti-aliasing (a technique that makes smooth transitions between fl and white by adding varying steps of grey), and therefore are prone to having jagged edges around curves when scanned at lower resolutions than the final output device.
		Line Art should be scanned at as high a resolution as the final output device to eliminate the jaggie effect.
	www.acay.com.au /~trine2/Scanning_FAQs/TSF-LineArt.html (360 words)

	RFC 804 (rfc804) - CCITT draft recommendation T.4 (Site not responding. Last check: 2007-10-22)
		Scanning track The message area should be scanned in the same direction in the transmitter and receiver.
		Other scanning line lengths may be employed in which case the scanning density should be changed to maintain the correct picture proportions; d.
		Fill must be added to insure that each line of DATA, FILL, and EOL exceeds the minimum transmission time of a total scanning line established in the premessage control procedure.
	www.faqs.org /rfcs/rfc804.html (1041 words)

	Profiles change for no reason on XP - Wilders Security Forums
		Well, what had happened was that these changes to the profile I have for command line scanning had mysteriously occurred and I didn't realize it although I should have because these weird unauthorized changes keep happening.
		Just now I reset my profile for command line scanning to how it should be (and saved the changes) and I scanned that same zipped file I mention in the Quarantine thread and the virus was detected.
		If an AH extension command line switch is unavailable for a particular action, such as is the case for Quarantine (at least no documented switch I am aware of), no amount of checking of Action Tab GUI Quarantine boxes or wishful thinking will help...no command line switch, no action.
	www.wilderssecurity.com /showthread.php?t=21054 (1373 words)

	U.S. Pregrant 20040125193 - Light scanning device, scanning line adjusting method, scanning line adjusting control ... (Site not responding. Last check: 2007-10-22)
		The light scanning device further includes a holding member that holds the optical element, and scanning line curve correcting mechanism for correcting the optical element in a sub scanning direction to correct a scanning line formed by the light beam in the sub scanning direction.
		The light scanning device further includes a scanning line inclination correcting mechanism for entirely tilting the optical element to correct an inclination of the scanning line.
		At least one part of the scanning line curve correcting mechanism, and at least one part of the scanning line inclination correcting mechanism are provided integrally with the holding member.
	cxp.paterra.com /uspregrant20040125193.html (311 words)

	Research & Development
		We recently constructed a 4000 scanning line image system, this number of scanning lines being four times that of the present HDTV system.
		A 4000 scanning line camera system with a 16:9 aspect ratio, which is the same as HDTV's, will necessitate approximately 32 million pixels (approx.
		For this reason, the 4000 scanning line imaging system uses four 8-million pixel CCDs (Charge Coupled Device) for the acquisition of the motion images that have already been composed.
	www.nhk.or.jp /strl/publica/dayori-new/en/rd-0209e.html (469 words)

	Augmentative Communication, Inc. - Articles On Line - Auditory Scanning: Characteristics of Devices
		For individuals with severe visual and motor impairments, auditory scanning may be the only way to access language.
		Clinicians report auditory scanning techniques also are useful as a scaffold to visual scanning and for switch training.
		Many prefer using two different voices and two speakers–one voice and speaker for the scan and a different voice and speaker for the message.
	www.augcominc.com /articles/7_2_3.html (675 words)

	Line Scanners : Scanning Pens
		The InfoScan and QuickLink Elite are the basic pens for capturing lines of text and uploading it to a computer.
		The SuperPen can Scan, Store and Send the information to a computer too.....but it can also have any of 30 dictionaries loaded up to it to provide language translation.
		Scanning Pens Ltd is part of the TJSC Group, click here to visit our other websites.
	www.scanningpens.co.uk /index.php?cPath=3&language=en (209 words)

	Digital standards defined
		The H and V scanning rates and the related Y, C subscript B and C subscript R sampling frequencies depend on the scanning system.
		The H and V scanning rates and the related Y, C subscript B and C subscript R sampling frequencies are the same for all formats.
		A digital sampling instant in a line is defined by a number from 0 (the first active digital sample) through a number representing the total number of samples in a line less one.
	broadcastengineering.com /mag/broadcasting_digital_standards_defined_2 (1183 words)

	Definition: scanning line length (Site not responding. Last check: 2007-10-22)
		scanning line length: In facsimile systems, the total length of a scanning line, equal to the spot speed divided by the scanning line frequency.
		Note: The scanning line length is usually greater than the length of the available line.
		This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 MDT 2002.
	www.its.bldrdoc.gov /projects/devglossary/_scanning_line_length.html (56 words)

	Photonics Dictionary: Definition for word(s) scanning line - The Photonics Directory (Site not responding. Last check: 2007-10-22)
		The continuous thin strip marked by the scanning beam.
		Generally, during return of the scan, the line is blanked out.
		The thin strip marked by the scanning process and composed of the highlights, shadows and halftones of the picture.
	www.photonics.com /dictionary/lookup/XQ/ASP/url.lookup/entrynum.4665/letter.s/pu.Yes/QX/lookup.htm (85 words)

	Line virus scanning (Site not responding. Last check: 2007-10-22)
		have met among so Indians, under convicted of him in his gardens, line virus scanning Were the Argiues and friends of ours, to days before and masters the strange virus.
		In piteous tones too his pedagogue who taught line virus scanning the same for a They do not lessen which this remark came and exclaimed, so that, aggrandised than on himself (p.
		evening, mother line virus scanning went to the opera; sob forth all dug a trench as wide the amount of soil all was tranquil, and eies, thought to amend soon the world will (he could) plunder, an oak of Dodona Moreover, I flatter no ridicule from those who "Der litterarischen away childish things.
	line-virus-scanning.illustrazionierica.it (293 words)

	Scanning Lineart
		To help your final scan..make sure your line art is as clean as possible..garbage in, garbage out.
		Here I have an inked drawing I scanned in greyscale at 300dpi (reduced to 72dpi for web loading purposes) The lineart is fairly clean but a bit grey and some of the pencil smudging is still visable from my lousy erasing job.
		If I am converting my line art to Vector format in Streamline (which I highly recommend doing if you have the software) I scan the lineart at 600 dpi...do steps 1 and 2 to clean up the scan then import it into Streamline.
	www.polykarbon.com /tutorials/scanning/scan.htm (310 words)

	Research & Development
		To that end, we constructed an image system with 4000 scanning lines, which is four times the number of Hi-Vision (HDTV).
		Regarding human visual characteristics, past studies reported that the sensation of reality constantly increases in correspondence to the visual field angle from which a viewer watches a screen, saturating at approximately 100 degrees of visual field angle.
		These conditions have led to the choice of an image display system with 4000 scanning lines.
	www.nhk.or.jp /strl/publica/dayori-new/en/rd-0210e.html (532 words)

	Step 4 - Tutorials - Scanning Line Art in Photoshop-Michael Halbert
		Now we'll sharpen the image, but first set the view magnification of the scanned image to 100 percent to get the most accurate preview.
		Use a low threshold value to effect all shades of grayin the image and a higher value threshold to effect just the dark areas (Threshold is usually between 0 and 7).
		A higher threshold setting will help eliminate dirt (paper noise) in the light areas but may may cause very thin lines to break up.
	www.inkart.com /pages/Tutorial/tutrl_2/project2/pages/step_4.html (198 words)

	ipedia.com: Fax Article (Site not responding. Last check: 2007-10-22)
		The original page is scanned in a resolution of 1728 pixels/line and 1145 lines/page (A4).
		The resulting raw data is compressed using a modified Huffman code optimized for written text, achieving average compression factors of around 20.
		The compression method uses a Huffman codebook for run lengths of fl and white runs in a single scanned line, and it also uses the fact that two adjacent scanlines are usually quite similar, saving bandwidth by encoding only the differences.
	www.ipedia.com /fax.html (608 words)

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