None of these. A line is sampled at unit intervals in one coordinate and corresponding integer values nearest the line path Top to bottom b. MCQ 6: Which Network Architecture is developed … Scan-line method. Which co-ordinates allow common vectors of the operations such as translation, rotation, scaling, and perspective projection to be represented as a matrix by which the vector is multiplied. It uses fundamental of area coherence. Scan Line Algorithm It is an image space algorithm. It processes one line at a time rather than one pixel at a time. It uses the concept area of coherence. This technique removes hidden surfaces. Edge quad treec. c)512 × 256, 6 mm slice thickness, 14 cm FOV, 2 NEX. None of these 18.The scan line coherence algorithm was developed by a. Wylie b. Evans c. Cat mull d. Both a & b 19.The array are used with scan line coherence algorithm are a. Here you can access and discuss Multiple choice questions and answers for various competitive exams and interviews. The scan line coherence algorithm was developed by. View unit 5 lec 3.ppt from CSE 304 at Lovely Professional University. Post navigation parallel projection shows the mcq. 12. 3. Increasing the field strength increases SNR because: a)the flip angle increases. Complex algorithmc. Computer Graphics Objective type Questions and Answers. C - Matrices. Bezier splines have a number of properties that make them highly useful and convenient for curve and surface design. Find the intersections of the scan line with all edges of the polygon. It processes one line at a time rather than one pixel at a time. Open sp line. Ans: The region codes of line endpoints have a '1' in same bit position. None of these18.The scan line coherence algorithm was developed bya. 43. b) The endpoints region code are nonzero values c) If L bit and R bit are nonzero. Z buffer algorithm are a Simplest algorithm b Complex algorithm c Largest from MCA 109 at Jaipur National University It is based on a divide & conquer method. C Programs. Scan Line Algorithm. National standard organization. Submitted by IncludeHelp, on April 09, 2021 . They are also easy to implement. Computer Architecture MCQ DBMS MCQ Networking MCQ. The basic ray tracing algorithm provides. Find intersection point of the boundary of polygon and scan line. It uses the concept area of coherence. Edge quad tree c. Quad tree d. None of these 18.The scan line coherence algorithm was developed by a. Wylie b. Evans c. Cat mull d. Both a & b 19.The array are used with scan line coherence algorithm are a. Scan-Line Algorithm For each scan line: 1. Posted on 8 February 2021 by 8 February 2021 by a. Bitmap image is also known as? The parametric form of 3D sp line are. Computer Graphics MCQ 06. 115. the DDA Line drawing algorithm interpolates values in interval [(xstart, ystart), (xend, yend)] by The dda is a scan conversion line algorithm based on calculating either dy or dx. a) Mid-print algorithm b) Mid-point algorithm c) Pixel intensity d) By using inquiry functions. It classifies polygons in two cases i.e. b)the NMV increases in size because the high energy population of spins increases. Each pixel can have either on or off state. Define coherence properties A coherence property of a scene is apart of a scene by which relate one part of the scene with the other parts of the scene. Multiple choice questions and answers (MCQ) based on the Line Filling Algorithms in Computer Graphics with 4 choices, correct answer and explanation. Largest algorithmd. The main task of the display processor is to digitize a picture definition given in an application program; this digitization process is known as_____ transformation rasterization both (a) and (b) scan conversion. None of the above. Computer Graphics MCQ Questions and Answers pdf. Scan-Line Method. Find intersection point of the boundary of polygon and point. Bezier curve and surfaces. It was invented by John Warnock and also called a Warnock Algorithm. 45. 1) _____ refers to the shutting off the electron beam as it returns from the bottom of the display at the end of a cycle to the upper left-hand corner to start a new cycle. Q: 71- Using the half scan line convention for each edge interesting the polygon, set the leftmost pixel whose endpoint lies to the right of the interaction. Hidden Surface Removal/ Back face removal/ Visible surface detection 1.One of the most challenging problems in computer graphics 3. Bottom to top c. Both a & b d. If the pixel is already filled with desired color then leaves it otherwise fills it. Polygon Filling Algorithm •For each polygon –For each edge, mark each scan-line that the edge crosses by examining its y minand y max •If edge is horizontal, ignore it •If y maxon scan-line, ignore it •If y min <= y < y maxadd edge to scan-line y‘s edge list –For each scan-line … d) The region codes of line endpoints have a '0' in same bit position. Closed sp line. Optical Coherence Tomography is a powerful noninvasive imaging modality that performs high resolution, micron-scale, cross-sectional imaging of the retina. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. The region code of a point is 1001. Area Subdivision Algorithm. It was named after Pierre Bézier, a French mathematician and engineer who developed this method of computer drawing in the late 1960s while working for the car manufacturer Renault. Problem: Calculating intersections is slow . Originally developed in 1991 by Huang et al, [1] OCT technology has continually evolved and expanded within ophthalmologyand has been explored in a wide range of clinical applications. The process of hidden surface determination is sometimes called hiding, and such an algorithm is sometimes called a hider. Depth-sorting method. a) Coherence b) Special coherence c) Spatial coherence d) None of the above Q: 64- For a _____graphics device adjacent pixels on a scan line are likely to have the same characteristics. b)256 × 128, 8 mm slice thickness, 40 cm FOV, 4 NEX. So accurate bookkeeping is necessary. These Multiple Choice Question with Answer are useful for the preparation of IT exams. 1. This method has a depth information for only single scan-line. For all pixels on the screen, set depth [x, y] to 1.0 and intensity [x, y] to a background value. Solution: Incremental computation / coherence For scan line number 8 the sorted Fill in all pixels between pairs of intersections. Flood fill algorithm. c. affine co-ordinates. Tagged With: Tagged With: wase dumps, wase mcq, wase question and answer, wase solution, wase solutions, wase wipro, wipro wase. c. Area-coherence algorithm (Warnock’s algorithm) d. Priority algorithm (Newell, Newell and Sancha algorithm) 2. Object coherence results from relationships between different objects or between separate parts of the same objects. A hidden surface algorithm is generally designed to exploit one or more of these coherence properties to increase efficiency. Hidden surface algorithm bears a strong resemblance to two-dimensional scan conversions. 4. ______is a flexible strip that is used to produce smooth curve using a set of point. Introduction: This spline approximation method was developed by the French engineer Pierre Bezier for use in the design of Renault automobile bodies. 2. The scan line coherence algorithm was developed by Wylie Evans Cat mull Both a & b. Computer Graphics Objective type Questions and Answers. a) To simplify the calculations b) To determine the area edges c) To find polygon region d) To correct interior area. d. homogenous co-ordinates. Multiple choice questions. This algorithm records edge list, active edge list. Explanation: UMTS (Universal Mobile Telephone System) is a visionary air interface standard that was introduced in 1996. Margaret Dayhoff developed the first protein sequence database called. Liang-Barsky Line Clipping. A directory of Objective Type Questions covering all the Computer Science subjects. this is called. The graphics objects are continuous. The analogue for line rendering is hidden line removal. Which algorithm uses fixed length codewords to represent variable length strings of symbols/ characters ... Multimedia Computing, Multiple Choice Questions. A hidden surface determination algorithm is a solution to the visibility problem, which was one of the first major problems in the field of 3D computer graphics. Some VDCs also generate an Audio signal, but … Scan-line coherence Algorithm . The pixels used are discrete. a) The region codes of line endpoints have a '1' in same bit position. Both A and B. MCQ on Bioinformatics - Pioneers and Terminologies. Sort the intersections by increasing x-coordinate. trivial and non-trivial. For depth value c. Both a & b d. None of these 20.Scan lines are used to scan from a. Question 1: Which of the following methods is the fastest pixel position calculating method? Introduction: Cyrus and Beck developed an algorithm that is generally more efficient than the Cohen-Sutherland algorithm. The types of sp line curve are. It is a process of representing graphics objects a collection of pixels. For intensity value b. C - Arrays and Pointers. The function of scan line polygon fill algorithm are. Explanation: A Video Display Controller or VDC is an integrated circuit which is the main component in a video signal generator, a device responsible for the production of a TV video signal in a computing or game system. Algorithm. Q20. It is used to resolve the visibility of algorithms. MCQ on Microeconomics This activity contains 20 questions. 19. It is an image-space method to identify visible surface. c. European carriers, manufacturers, and government regulators collectively developed the early version of UMTS as an open air interface standard for third generation wireless telecommunication. None of these 17.Which is a tree type of data structure in which every internal node has at most four children a. International standards organization. 3d co-ordinates. C - Linked Lists. b. Introduction: A Bézier curve is a curved line or path defined by mathematical equations. a) Random scan b) Raster scan c) CRT d) None of the above Q: 65- What is scan line coherence? 2. a)256 × 256, 3 mm slice thickness, 12 cm FOV, 1 NEX. Multiple choice questions and answers (MCQ) based on the Line Filling Algorithms in Computer Graphics with 4 choices, correct answer and explanation. Question 1: Which of the following methods is the fastest pixel position calculating method? Bressenham's line algorithm Answer: d. DDA line algorithm The active edge list for a scan line contains all edges crossed by that scan line. The function of scan line polygon fill algorithm are; ... GKS was developed by the. Q20 The best line drawing algorithm among all possible line drawing algorithm is a) DDA b) Algorithm which uses direct equation of line c) Bresenham’s algorithm d) None of them Q21 The value of initial decision parameter in bresenham’s line drawing algorithm for │m│<1 is: a) 2∆y - ∆x b) 2∆y + ∆x c) -2∆y + ∆x d) -2∆y - ∆x Point quad treeb. Sp line. a. vector co-ordinates. By describing the differences between two scan lines rather than describing the from CS ALGORITHMS at Geetanjali Institute of Technical Studies C - Stacks and Queues. 44. None of these. A directory of Objective Type Questions covering all the Computer Science subjects. None of these17.Which is a tree type of data structure in which every internal node has at most four childrena. …. 24) For a __________graphics device adjacent pixels on a scan line are likely to have the same characteristics. 25) What is scan line coherence? 27) Efficient algorithms for scan –converting solid area polygons can be developed. Both a & b. The edge list or edge table contains the coordinate of two endpoints. b. GATE CSE MCQs. b. What is the use of Coherence techniques along and between scan lines? Enumerate usage of Shading in Computer Graphics. It is an image space algorithm. MCQ 5: Which is the part of data link layer. Answer is D) Show Answer. This is a procedure for- a) Fill b) Counter Step wise method for solving problems in computer science is called. What is an active edge list in the scan line algorithm? In order to require one scan-line of depth values, we must group and process all polygons intersecting a given scan-line at the same time before processing the next scan-line. LLC (Logical Link Control) MAC (Media Access Control) Address. The term bioinformatics was coined by. This approach is known as scan-line algorithm. Scan Conversion Definition. For each polygon in the scene, find all pixels (x, y) that lie within the boundaries of a polygon when projected onto the screen. The first published completed gene sequence was of. Choose the incorrect statement from the following about the basic ray tracing technique used in image synthesis ? Later, Liang and Barsky independently devised an even faster parametric line-clipping algorithm. Point quad tree b.
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