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. Here you can access and discuss Multiple choice questions and answers for various competitive exams and interviews. c. affine co-ordinates. a. vector co-ordinates. None of these. d. homogenous co-ordinates. The function of scan line polygon fill algorithm are; ... GKS was developed by the. Depth-sorting method. Edge quad treec. Top to bottom b. What is an active edge list in the scan line algorithm? Z buffer algorithm are a Simplest algorithm b Complex algorithm c Largest from MCA 109 at Jaipur National University Enumerate usage of Shading in Computer Graphics. What is the use of Coherence techniques along and between scan lines? 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. Bezier curve and surfaces. a) The region codes of line endpoints have a '1' in same bit position. This algorithm records edge list, active edge list. The scan line coherence algorithm was developed by Wylie Evans Cat mull Both a & b. A line is sampled at unit intervals in one coordinate and corresponding integer values nearest the line path Later, Liang and Barsky independently devised an even faster parametric line-clipping algorithm. MCQ 5: Which is the part of data link layer. Complex algorithmc. Optical Coherence Tomography is a powerful noninvasive imaging modality that performs high resolution, micron-scale, cross-sectional imaging of the retina. For each polygon in the scene, find all pixels (x, y) that lie within the boundaries of a polygon when projected onto the screen. GATE CSE MCQs. Fill in all pixels between pairs of intersections. 115. European carriers, manufacturers, and government regulators collectively developed the early version of UMTS as an open air interface standard for third generation wireless telecommunication. Introduction: This spline approximation method was developed by the French engineer Pierre Bezier for use in the design of Renault automobile bodies. The active edge list for a scan line contains all edges crossed by that scan line. 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. The pixels used are discrete. Both A and B. Step wise method for solving problems in computer science is called. b)256 × 128, 8 mm slice thickness, 40 cm FOV, 4 NEX. Largest algorithmd. Find the intersections of the scan line with all edges of the polygon. It is an image-space method to identify visible surface. Scan-Line Algorithm For each scan line: 1. Posted on 8 February 2021 by 8 February 2021 by This method has a depth information for only single scan-line. Computer Architecture MCQ DBMS MCQ Networking MCQ. It classifies polygons in two cases i.e. Point quad tree b. Ans: The region codes of line endpoints have a '1' in same bit position. Flood fill algorithm. b) The endpoints region code are nonzero values c) If L bit and R bit are nonzero. MCQ 6: Which Network Architecture is developed … Explanation: UMTS (Universal Mobile Telephone System) is a visionary air interface standard that was introduced in 1996. 45. It is an image space algorithm. Area Subdivision Algorithm. If the pixel is already filled with desired color then leaves it otherwise fills it. Liang-Barsky Line Clipping. Computer Graphics MCQ Questions and Answers pdf. 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. The parametric form of 3D sp line are. 1. Computer Graphics Objective type Questions and Answers. this is called. 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 43. Bitmap image is also known as? c)512 × 256, 6 mm slice thickness, 14 cm FOV, 2 NEX. It is used to resolve the visibility of algorithms. Question 1: Which of the following methods is the fastest pixel position calculating method? Hidden Surface Removal/ Back face removal/ Visible surface detection 1.One of the most challenging problems in computer graphics Closed sp line. C - Arrays and Pointers. a. None of these. 12. The scan line coherence algorithm was developed by. Algorithm. Both a & b. Choose the incorrect statement from the following about the basic ray tracing technique used in image synthesis ? 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. a) To simplify the calculations b) To determine the area edges c) To find polygon region d) To correct interior area. Which algorithm uses fixed length codewords to represent variable length strings of symbols/ characters ... Multimedia Computing, Multiple Choice Questions. d) The region codes of line endpoints have a '0' in same bit position. Open sp line. Some VDCs also generate an Audio signal, but … Point quad treeb. 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. This approach is known as scan-line algorithm. Find intersection point of the boundary of polygon and scan line. 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. None of these18.The scan line coherence algorithm was developed bya. 3. Scan-line method. Sp line. b. The region code of a point is 1001. 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) Random scan b) Raster scan c) CRT d) None of the above Q: 65- What is scan line coherence? 2. 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. Scan Line Algorithm. 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. The first published completed gene sequence was of. 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 was invented by John Warnock and also called a Warnock Algorithm. Scan-Line Method. These Multiple Choice Question with Answer are useful for the preparation of IT exams. It uses fundamental of area coherence. The edge list or edge table contains the coordinate of two endpoints. It is based on a divide & conquer method. View unit 5 lec 3.ppt from CSE 304 at Lovely Professional University. Post navigation parallel projection shows the mcq. Multiple choice questions. b. Each pixel can have either on or off state. Answer is D) Show Answer. Computer Graphics MCQ 06. MCQ on Bioinformatics - Pioneers and Terminologies. The basic ray tracing algorithm provides. The types of sp line curve are. They are also easy to implement. Tagged With: Tagged With: wase dumps, wase mcq, wase question and answer, wase solution, wase solutions, wase wipro, wipro wase. It is a process of representing graphics objects a collection of pixels. a) Mid-print algorithm b) Mid-point algorithm c) Pixel intensity d) By using inquiry functions. b. c. Area-coherence algorithm (Warnock’s algorithm) d. Priority algorithm (Newell, Newell and Sancha algorithm) 2. For intensity value b. The term bioinformatics was coined by. Sort the intersections by increasing x-coordinate. Introduction: A Bézier curve is a curved line or path defined by mathematical equations. 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 … By describing the differences between two scan lines rather than describing the from CS ALGORITHMS at Geetanjali Institute of Technical Studies ______is a flexible strip that is used to produce smooth curve using a set of point. For all pixels on the screen, set depth [x, y] to 1.0 and intensity [x, y] to a background value. 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 process of hidden surface determination is sometimes called hiding, and such an algorithm is sometimes called a hider. This is a procedure for- a) Fill b) Counter The analogue for line rendering is hidden line removal. C - Linked Lists. 4. None of the above. It uses the concept area of coherence. Submitted by IncludeHelp, on April 09, 2021 . Computer Graphics Objective type Questions and Answers. Bezier splines have a number of properties that make them highly useful and convenient for curve and surface design. 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. 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. The function of scan line polygon fill algorithm are. For depth value c. Both a & b d. None of these 20.Scan lines are used to scan from a. Introduction: Cyrus and Beck developed an algorithm that is generally more efficient than the Cohen-Sutherland algorithm. 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. 19. Scan Conversion Definition. A directory of Objective Type Questions covering all the Computer Science subjects. Increasing the field strength increases SNR because: a)the flip angle increases. 44. 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. 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. Bottom to top c. Both a & b d. a)256 × 256, 3 mm slice thickness, 12 cm FOV, 1 NEX. MCQ on Microeconomics This activity contains 20 questions. 3d co-ordinates. 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. 3. This technique removes hidden surfaces. C - Matrices. C Programs. b)the NMV increases in size because the high energy population of spins increases. Solution: Incremental computation / coherence For scan line number 8 the sorted National standard organization. Multiple choice questions and answers (MCQ) based on the Line Filling Algorithms in Computer Graphics with 4 choices, correct answer and explanation. c. So accurate bookkeeping is necessary. None of these 17.Which is a tree type of data structure in which every internal node has at most four children a. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 2. Q20. trivial and non-trivial. It processes one line at a time rather than one pixel at a time. Scan-line coherence Algorithm . Margaret Dayhoff developed the first protein sequence database called. International standards organization. None of these17.Which is a tree type of data structure in which every internal node has at most four childrena. Problem: Calculating intersections is slow . Find intersection point of the boundary of polygon and point. The graphics objects are continuous. C - Stacks and Queues. 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