2014年5月28日 星期三

[實用] Youtube Thumbnail

(Image size depends on video.)
  • Player Background Thumbnail (480x360 pixels)
    http://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg
  • Start Thumbnail (120x90 pixels)
    http://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg
  • Middle Thumbnail (120x90 pixels)
    http://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg
  • End Thumbnail (120x90 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/3.jpg
  • High Quality Thumbnail (480x360 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/hqdefault.jpg
  • Medium Quality Thumbnail (320x180 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/mqdefault.jpg
  • Normal Quality Thumbnail (120x90 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/default.jpg
And additionally, the next two thumbnails may or may not exist. For HQ videos they exist.
  • Standard Definition Thumbnail (640x480 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/sddefault.jpg
  • Maximum Resolution Thumbnail (1920x1080 pixels)
    http://i1.ytimg.com/vi/<insert-youtube-video-id-here>/maxresdefault.jpg
  • 1st Thumbnail Image, Small (120×90)

    http://img.youtube.com/vi/bQVoAWSP7k4/1.jpg
    Quick Tip: How To Get YouTube Thumbnail Images

    3rd Thumbnail Image, Small (120×90)

    http://img.youtube.com/vi/bQVoAWSP7k4/3.jpg
    Quick Tip: How To Get YouTube Thumbnail Images

    2nd | Default Thumbnail Image, Small (120×90)

    http://img.youtube.com/vi/bQVoAWSP7k4/2.jpg
    Quick Tip: How To Get YouTube Thumbnail Images

    Default Thumbnail Image, Full-Size (480×360)

    http://img.youtube.com/vi/bQVoAWSP7k4/0.jpg

    Quick Tip: How To Get YouTube Thumbnail Images

2013年9月10日 星期二

[2D TO 3D] 相關技術與工具






http://insight3d.sourceforge.net/

You give it a series of photos of a real scene, it automatically matches them and then calculates positions in space from which each photo has been taken (plus camera’s optical parameters) along with a 3D pointcloud of the scene. You can then use insight3d’s modeling tools to create textured polygonal model.


http://www.photosculpt.net/

Create photorealistic 3D models and hi-res seamless tileable 3D textures easily from two photos.

http://www.123dapp.com/catch

Autodesk 123D is free software integrated with content and fabrication services. Free products and services are subject to the Autodesk, Inc, terms of use that accompany them.Capture places, people and things in 3D using your iPad, iPhone or any camera. Share your catches with friends and family, or 3D print a real object!

http://www.triayaam.com/index.php/neitra-3d-pro/

Image alignment in neitra 3D pro is the process of identifying the correct position and orientation of camera in a computer simulated 3D scene.

http://agisoft.ru/products/photoscan/standard/

Agisoft PhotoScan Standard automatically builds professional quality textured 3D models from still images. The program provides robust photo alignment, no coded targets or special shooting conditions being needed.