Image file format
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The document discusses the JPEG image file format. JPEG stands for Joint Photographic Experts Group and is a popular format that supports up to 16 million colors. JPEG files use the extensions .jpg, .jpeg, .jpe, .jfif or .jif. A JPEG file consists of segments marked by markers including information like quantization tables and Huffman coding tables. JPEG is a lossy compression format that works well for photos but can cause artifacts, especially at higher compression levels. Variants include JPS for stereoscopic images and MPO for multiple images in one file.
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Image File Fomat
Image file formats dictate how digital images are stored and interpreted. Pixels that make up pictures are arranged according to the specific format. Common formats include JPEG, which uses lossy compression to greatly reduce file sizes while retaining image quality. TIFF can use either lossless or lossy compression. GIF is popular for images with fewer colors and uses lossless compression, supporting up to 256 colors. PNG was created as a free, open alternative to GIF and also uses lossless compression, making it suitable for editing applications.
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image formats
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The document discusses several common image file formats: TIFF, JPEG, GIF, PNG, and EXIF. TIFF files are uncompressed, high quality images used in design software. JPEG files are for photographs and use lossy compression for smaller file sizes. GIFs use lossless compression but have a limited color palette, making them suited for images with few colors like logos. PNG is an alternative to GIF with better compression and more colors. EXIF stores camera metadata in JPEG files.
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JPEG is best for compressing photos and images for the web due to its ability to resize photos while maintaining quality, though it is limited to 256 colors. GIF is suitable for simple images like graphics and logos with solid colors due to its 256 color limitation, making it unsuitable for detailed photos. PNG was created to replace and improve upon GIF as a patent-free format, supporting more color depths and image types for internet use.
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Raster graphics are made up of pixels and have a set resolution, so they can appear distorted when resized. Vector graphics are made up of mathematical paths between points, so they can be resized without distortion. Common raster file formats include JPEG, TIFF, GIF and BMP, which vary in compression, quality and file size. Common vector file formats are PSD, AI, FLA and WMF, which allow editing layers, transparency and scaling. Files can be optimized and compressed to reduce file sizes for sharing online, but this can reduce quality. Larger files have more pixels and layers, and naming files accurately helps organization. Folders are useful for storing and organizing assets in projects.
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File formats like JPEG, GIF, TIFF, PSD, PNG, and RAW each have specific uses and advantages/disadvantages for storing image data. JPEG is best for photographs and is a common web format due to its smaller file size from compression, though this results in some lost quality. GIF is ideal for images with few colors like logos and is widely used for web animations, but has a limited color palette. TIFF preserves full quality but results in large file sizes. PSD allows editing layers in Photoshop. PNG is similar to GIF but without its color limitations. RAW files have highest quality but largest sizes.
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This chapter introduces fundamental concepts of image file formats. It discusses how images are represented as arrays of pixels on displays and in memory. Vector graphics store images as drawing commands, while bitmap graphics represent each pixel directly. Bitmap formats are better for photos but require more storage. Common bitmap formats are covered in this book, which use techniques like color reduction, compression, and ordering to reduce file sizes.
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The document discusses different file formats including raster graphics, vector graphics, metafiles, PDF, PSD, GIF, JPG, BMP, PNG, TIF, and CGM files. It provides details on what each file extension stands for, whether the file type is raster or vector, advantages and disadvantages of each type, and examples of how each type may be used.
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This document provides information on various audio, graphic, video, and document file formats. It discusses uncompressed and lossy/lossless compressed audio formats such as WAV, FLAC, MP3, and WMA. For graphics, it covers JPEG, GIF, TIFF, PNG, vector vs raster images, and SVG. It also summarizes the MPEG video standards including MPEG-1, MPEG-2, MPEG-4, and container formats like MOV and AVI. Finally, it mentions several document formats such as XML, PDF, plain text, DOC, and HTML.
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Pixels are the tiny dots that make up images on screens. The display resolution is the number of pixels that can be shown. Common file formats include BMP for bitmaps, PNG for lossless web images, GIF for simple images and animations with 256 colors, TIFF for professional photos, JPEG for digital camera photos, PSD for Photoshop files, PDF for documents, EPS for graphics, and AI for Adobe Illustrator files. File compression reduces file sizes using algorithms, while digital asset management involves ingesting, cataloging, storing and distributing digital media like photos and videos.
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Pixels make up images on displays and their number determines resolution. Common file formats include BMP for bitmaps, PNG for lossless web images, GIF for animations and logos with 256 colors, TIFF for publishing, JPEG for photos, PSD for Photoshop, PDF for documents, EPS for encapsulated PostScript, and AI for Adobe Illustrator. File compression reduces file sizes using algorithms, while digital asset management involves ingesting, cataloging, storing, and distributing digital assets like photos.
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File formats are designed to store specific types of information like images. JPEG is a lossy compression format suitable for photos, while PNG is a lossless format that can compress solid colors and is more supported than GIFs, which can animate but have a limited color palette. PSD files are layered Photoshop documents, TIFFs are standard for scanning, and RAW files store unprocessed camera data for more editing control, though they are larger files. Vector formats like EPS contain paths rather than pixels and can scale smoothly.
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Vector graphics use mathematical formulas to create shapes rather than pixel patterns, but most browsers only support bitmap graphics on the web. Bitmap graphics represent images as a collection of pixels with assigned colors. GIF is a compressed bitmap format that supports up to 256 colors and basic animation. JPEG is designed for full-color photos and uses lossy compression, meaning the decompressed image is not identical to the original. Embedded objects are fully contained within the destination file, while linked objects reference the source file externally and updating happens at the source.
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1. Vector images use mathematical formulas to define shapes and lines, allowing them to be easily scaled, while bitmap images use a grid of pixels to store color and location data.
2. JPEG is used for compressing photos and uses lossy compression, while GIF uses an early lossless compression technique and supports up to 256 colors, making it better for simple images like logos.
3. Embedded graphics are contained within a file, while linked graphics can be edited separately and update across multiple documents.
Graphics And Image Files[1]
Vector images are defined mathematically and can be easily scaled without loss of quality, while bitmap images use a grid of pixels of set colors. GIF files are suited for simple images like graphics or logos, while JPEG is suited for photos due to relatively small file size, though quality decreases with repeated editing. Embedded graphics are permanently part of a file, while linked graphics depend on the source file. A color palette is a set of colors used in an image. Lossless compression compresses files without quality loss, unlike JPEG. PNG uses lossless compression and overcomes GIF and JPEG limitations but does not support animations. BMP files cannot be compressed so have large sizes and limited support. Flickr is a photo sharing website used
Image And Graphic Files
Vector images use mathematical formulas to create shapes rather than pixels, making them easier to manipulate without quality loss. Bitmap images are composed of pixels arranged in a grid, with each pixel assigned a color value. GIF images are suitable for drawings and images with a limited color palette, while JPEG is better for photos as it can heavily compress files sizes with some quality reduction each time the image is saved. Embedded graphics become part of the file they are inserted into and move with the file, while linked images remain separate but connected files. Lossless compression allows for original data to be stored in a reduced format without quality loss, like with ZIP and PNG files, while JPEG is commonly used for photos with some quality degradation each time it is saved
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Video Compression Techniques
This white paper discusses various video compression techniques and standards. It explains that JPEG is used for still images while MPEG is used for video. The two main early standards were JPEG and MPEG-1. Later standards like MPEG-2, MPEG-4, and H.264 provided improved compression ratios and capabilities. Key techniques discussed include lossy compression, comparing adjacent frames to reduce redundant data, and balancing compression ratio with image quality and latency considerations for different applications like surveillance video.
An explanation of video compression techniques.
JPEG, Motion JPEG and MPEG are three well-used acronyms used to describe different types of image
compression format. But what do they mean, and why are they so relevant to today’s rapidly expanding
surveillance market? This White Paper describes the differences, and aims to provide a few answers as
to why they are so important and for which surveillance applications they are suitable
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Project presentation image compression by manish myst, ssgbcoet
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Video file format
MP4 is a widely compatible file format that can support many video and audio codecs. It has become more popular than other formats like QuickTime, AVI, WMV, and MKV due to its features and ability to play on many devices without issues. MP4 is commonly used to embed video in PowerPoint presentations, for company promotional videos, and for downloading online videos to play on different media players or burn to DVDs. The format can support video codecs like H.264, HEVC, and audio codecs like MP3, AAC. MP4 files can be played on devices like iPhones, Android phones, Windows phones, and computers as well as through common media player programs and online video sites.
Audio file format
The document discusses the MP3 file format. It describes MP3 as a standard technology for compressing audio files to around 1/12 their original size while maintaining sound quality. The format uses MP3 frames containing a header and data block in a sequence of elementary streams. Higher bitrates in MP3 files produce higher quality sound closer to the original recording, while lower bitrates can be used for less complex audio passages. Metadata tags are not defined in the MP3 standard and licensing of related patents varies by region.
post-production
The document discusses the key roles of video editors including editing raw footage, adding transition effects between scenes, incorporating sound, and dubbing videos into other languages. Editors refine raw video material to clarify the director's vision, while some also showcase their own creativity. Transition effects are particularly important for action movies to enhance the viewing experience. Sound is essential for completeness and to further immerse the audience, while dubbing allows films to reach wider audiences in their native language.
Arthved kalyan assignment
Animation is created by displaying a series of images or frames in rapid succession to create the illusion of movement. Animators use individual images called frames to show movement, presenting them in a sequence at a rate of frames per second. There are different types of animation including traditional 2D animation, 3D animation using CGI, and stop motion animation using real objects. Popular software tools for creating animation include Autodesk Maya, Autodesk 3D Max, and Adobe After Effects. Famous animators include Walt Disney, Hayao Miyazaki, and John Lasseter.
Graphics and Audio
The document discusses capturing and editing multimedia, including images and audio. It notes that cameras and mobile phones can be used to capture images, and audio recorders or mobile phones can record audio. Software mentioned for image editing includes Adobe Photoshop, Picasa, and GIMP, while software for audio editing includes Adobe Audition, Audacity, and FL Studio. The document recommends getting training from professionals, attending seminars, being creative, and trying innovative ideas to improve multimedia skills.
Digital audio
Digital audio is a technology that uses digital encoding to record, store, manipulate and reproduce sound via audio signals. It involves converting analog sound waves to digital signals using an analog-to-digital converter, allowing sound to be stored and processed digitally. During the 1970s and 1990s, digital audio advanced and gradually replaced analog audio in areas like sound recording and engineering due to benefits like greater accuracy and less degradation. The process involves capturing sound waves with a microphone, converting them to electrical signals, and then back to sound waves for playback.
Music production in budget
The document provides tips for starting electronic music production on a budget. It recommends first planning and budgeting expenses. The bare essentials are a full version of a digital audio workstation (DAW) like Reaper, which offers a free trial, and a quality pair of headphones for monitoring. Additional items like plugins, MIDI keyboards, and microphones are optional but can be helpful. It's important to educate yourself through free resources at first before investing in books or courses. With proper planning and prioritizing essential gear like a DAW and headphones first, the document argues that electronic music production can be started without breaking the bank.
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Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Changes in vegetation cover refer to variations in the distribution, composition, and overall
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Image file format
- 1. IMAGE FILE FORMAT SUBJECT :- FUNDAMENTALS OF MULTIMEDIA PRESENTED BY:- ARTHVED KALYAN BSC (GA) 1st SEMESTER
- 2. JPEG Stands for "Joint Photographic Experts Group." JPEG is a popular image file format. It is commonly used by digital cameras to store photos since it supports 224 or 16,777,216 colors.
- 3. JPEG filename extensions JPEG compression are .jpg and .jpeg, though .jpe, .jfif and .jif are also used
- 4. Syntax and structure A JPEG image consists of a sequence of segments, each beginning with a marker, each of which begins with a 0xFF byte followed by a byte indicating what kind of marker it is.
- 5. Encoding Most image software uses the simpler JFIF format when creating a JPEG file. The common methods of encoding when applied to an input that has 24 bits per pixel. This particular option is a lossy data compression method.
- 6. Effects of JPEG compression JPEG compression artifacts blend well into photographs with detailed non-uniform textures, allowing higher compression ratios.
- 7. JPEG Stereoscopic JPS is a stereoscopic JPEG image used for creating 3D effects from 2D images. It contains two static images, one for the left eye and one for the right eye; encoded as two side-by-side images in a single JPG file.
- 8. JPEG Multi-Picture Format JPEG Multi-Picture Format (MPO, extension .mpo) is a JPEG-based format for storing multiple images in a single file. It contains two or more JPEG files concatenated together.
- 9. THANK YOU