Explain how a bitmapped image is device-dependent?
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- When multimedia developers produce Bitmapped Images, they must consider that a bitmapped image is device-dependent. For that reason, they often need to produce multiple bitmapped images that have different spatial resolutions based on their intended use. For example, they produce a bitmapped image to be printed, and reduce its spatial resolution to be displayed on monitors.
Explain how a bitmapped image is device-dependent?
Provide an example to explain why different resolutions of bitmapped images are needed for different devices such as monitors and printers.
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- READ THE QUESTION CAREFULLY AND HELP ON BELOW QUESTION A movie having a screen resolution of 1366*768 pixels, usually played at 30 frames per second, uses 4 bytes/pixel. This movie needs to be streamed over amedium. Find the time taken to stream the movie, given that the length of the movie is 1 hour, and the medium used is: (i) 10Base-5(ii) 100Base-TX1. A color image uses 18 bits to represent a pixel. Compute the maximum number of different colors that can be represented? 2. For n devices in a network, determine the number of cable links required for a mesh, ring, bus, and star topologies? 3. Color pictures are to be downloaded at the rate of 900 pictures per minute. Compute the required bit rate of the channel. Assume each picture consists of 768 (height) x 1280 (width) color pixels. Each color pixel value is specified by 24 bits. 4. The loss in a cable is usually defined in decibels per kilometer (dB/km). If the signal at the beginning of a cable with - 0.5 dB/km has a power of 24 mW, determine the power of the signal at 18 km?Assume you have a video stream with the following display resolution options (all of them are 3 bytes per a pixel and 24 frames per second): a 720 x 600 b 1,280 × 720 c 1,920 × 1,080 d 3,840 × 2,160 You have an average bandwidth of 200 MBps (Megabytes per second) How many streams of the minimum quality can you support at the same time? Assume you want to add audio with 8,000 samples per second and 2 bytes per Now how many streams of minimum quality can you support? If there is only 1 stream, what is the highest quality of the 4 listed you can support? Using the highest quality image, without audio, How large of a buffer is needed to support 30 seconds of lost internet downtime without in- terrupting the stream? (assume you have enough time to fill the buffer completely)
- How does triple buffering compare to double buffering in terms of memory requirements and rendering quality? Questions revolves around computer graphics and visulizationA 3x3 kernel is sliding across a color image (3 channel image). At the current position the kernel stopped at a patch of pixels with the following values for the three channels: 1 2 1 1 5 2 1 0 1 0 2 0 1 1 1 0 4 0 2 0 2 1 0 1 0 2 0 The kernel is defined as follows for the three channels (same for every channel): -1 0 -1 1 1 1 0 1 0 -1 0 -1 1 1 1 0 1 0 -1 0 -1 1 1 1 0 1 0 Compute the value that will go into the feature map for this convolution operation.profile-image Time remaining: 00 : 09 : 15 Computer Science 8. In multimedia applications, buffers are very important to deal with jitter, what is the best buffer size (B) 1. the size of 1 packet 2. equal the maximum jitter 3. the same size as the streamed video 4. Zero (no buffer is needed) - In streaming multimedia using UDP, the video source generates frames at the rate of 30 frames per second, what is the transmission rate (send rate ) 1. we cannot use UDP with video streaming 19- Wirless networks have higher packet loss/delay due to bit-errors (discarded packets, delays for link-layer retransmissions), and handover loss True false 2. 30 frame per second 3. variable rate 4. 1 frame per second
- As information centers are progressively centered on energy efficiency, it gets to be imperative to create Low control usage of the different applications that run on them. Data or Information compression plays a basic part in information centers to reduce storage capacity and communication costs. This work pivot on building a Low control, High performance execution usage for canonical Huffman encoding. Suppose given Letters I, Q, R, A, C, M, P, U, S with following frequencies. Frequency Table Character Frequency I 20 Q 11 R 8 A 12 C 49 M 10 P 5…This question part is about parallelisation. Suppose the execution of a video rendering job using 2 VM on an IaaS cloud takes 6 hours for a total cost of £4. The job is composed of rendering 100 short videos. Consider what would happen if 4 VMs are used to execute the same job. Answer the following questions (state any assumption you make as part of the answers). (i) Say if the total cost and the time to complete the job would stay the same, reduce, or increase and by how much. Justify your answer (ii) Now consider the case of a rendering job with the same characteristics (6 hours, 2 VMs cost of £4) but is instead composed of rendering 2 long videos. What would happen to the time and total cost if 4 VMs are used to run the job? Justify your answers.If a corporation already has its own servers and workstations, there is no need for them to employ cloud computing. The use of the internet in a way that is not completely secure is necessary for cloud computing. Is it true that there are more possible drawbacks associated with cloud computing than there are benefits? Does it need the faith of even just one person? Think about what will take place after this. Where does the beginning of your thinking begin?
- Multimedia and Data Compression Example: Assume your Student ID is 432306128. Use the first four numbers for caculating:= 8 + 2 + 1 = 11, = (6 + 1 + 2 + 8) × 36 = 612, = 0.75Question 1:Assume you want to transmit PAL video as a YUV signal. Each pixel is represented bybits. What is the bit rate required to transmit this video as:1. Composite Video.2. Separated Video.3. Component Video.Question 2:A system with 32768 possible colors is used to transmit × pixel image.1. What is the color depth of this system?2. How much storage is required for one image?3. What is the system bit rate if one image takes 1.3169 sec for transmission?Question 3:What is the entropy of your name (first name + surname)?Question 4:Using the results of Question 3, Encode the first three characters of your full name usingArithmetic code?What is the role of latency in real-time applications like online gaming and video conferencing, and how can it be minimized?What exactly does the term "bitmap" mean, and how should it be used?