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DJV (Digital Video) is a file format used to store image sequences, widely adopted in animation, visual effects, and digital media production. Compared to traditional single-frame image formats, DJV files support efficient storage and processing of multi-frame image sequences, particularly suitable for applications requiring high frame rates and high-quality images.

DJV files are commonly used in post-production for film and television, offering fast read speeds and efficient compression ratios. They also support various color depths and embedded metadata, ensuring image quality and integrity. Recommended tools for viewing and editing include DJV Imaging, which provides powerful image processing features and full support for DJV files.

Developed by the open-source community, DJV aims to provide an efficient and flexible way to store image sequences, ideal for animators and visual effects artists who need quick access and high-fidelity image quality.

• 开发团队： Open Source Community
• 首发时间： 2002
• 相关链接：
https://en.wikipedia.org/wiki/DJV https://www.djv.sourceforge.net/ https://ffmpeg.org/ https://imagemagick.org/script/formats.php

HEIC (High Efficiency Image Container) is a file format based on HEIF (High Efficiency Image Format) using HEVC (H.265) compression. It allows storing high-quality images while reducing file size by approximately 50% compared to JPEG. HEIC supports 16-bit color depth, transparency, HDR, and multiple image storage (such as Live Photos). Apple devices (iOS 11+ and macOS High Sierra+) use HEIC as the default format, making it popular in mobile photography, digital imaging, and cloud storage.

How to open and edit an HEIC file?

HEIC files can be opened and edited using various tools. Recommended software and methods include: - Native Support: - iOS Photos: View and edit HEIC files directly on iPhones and iPads. - macOS Preview: Open HEIC files natively in Preview and Photos on macOS. - Windows 10/11 (requires HEIF extension): Microsoft provides official HEIF and HEVC plugins (some may require a purchase). - Professional Editing Tools: - Adobe Photoshop 2020+: Supports HEIC editing and conversion. - Affinity Photo: Allows HEIC import and editing, suitable for professional designers. - Open-Source & Free Tools: - XnView MP: Multi-platform support for viewing and converting HEIC files. - GIMP (with plugin): Supports basic HEIC editing. - Online Conversion: - Use CloudConvert or Convertio to convert HEIC to JPEG, PNG, or other common formats. On Windows, additional HEVC video extensions may be required to decode HEVC-compressed images properly.

• 开发团队： MPEG
• 首发时间： 2015
• 相关链接：
https://nokiatech.github.io/heif/technical.html https://developer.apple.com/documentation/heif https://imagemagick.org/script/heic.php