What is the key difference between I-Frames, P-Frames and B-Frames? I‑frames are the least compressible but don’t require other video frames to decode. An I‑frame (Intra-coded image), a complete image, like …

Read More »## Data stream characteristics for continuous media

Data stream characteristics for continuous media The data stream characteristics in a multimedia system are related to any audio and video data transfer. Also the data stream characteristics are influenced …

Read More »## Define Chroma subsampling

Chroma subsampling Chroma subsampling is a type of compression that reduces the color information in a data in favor of luminance data. This reduces the bandwidth without significantly affecting the …

Read More »## Advantages of arithmetic coding over Huffman coding

Arithmetic coding surpasses the Huffman techniques in its compression ability. The Huffman method assigns an integral number of bits to each symbol, while arithmetic coding assigns one log code to …

Read More »## Why lossy compression is sometimes preferred?

Lossy compression is used to reduce data size or storing, handling and transmitting content. The amount of data reduction possible using lossy compression is much higher than the lossless techniques. …

Read More »## Lossless Compression vs Lossy Compression

Lossless Compression vs Lossy Compression Lossless Compression Lossy Compression Lossless compression is a group of data compression algorithm Lossy compression is a family of data encoding method Used in text, …

Read More »## Define Compression

Compression Compression is the process of coding that will effectively reduce the total number of bits needed to represent certain information. Input data -> Encoder compression -> Storage or network …

Read More »## Subdivision Algorithm

Subdivision Algorithm 1. Initialize the area to be the whole screen. 2. Create a PVPL with respect to an area, sorted on z min (the smallest z coordinate of the …

Read More »## Area subdivision Method

Area subdivision Method This hidden surface removal technique is essentially an image space method But object space operations can be used to accomplish depth ordering of surfaces Takes advantage of …

Read More »## Z buffer algorithm Advantages and Disadvantages

Z (depth) Buffer Algorithm For each polygon { for each pixel (x, y) inside the polygon projection area { if (z_polygon_pixel(x,y) < depth_buffer(x,y)){ depth_buffer(x,y) = z_polygon_pixel(x,y); color_buffer(x,y) = polygon color …

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