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  2. Video compression picture types - Wikipedia

    en.wikipedia.org/wiki/Video_compression_picture...

    Three types of pictures (or frames) are used in video compression: I, P, and B frames. An I‑frame ( Intra-coded picture) is a complete image, like a JPG or BMP image file. A P‑frame (Predicted picture) holds only the changes in the image from a previous frame. For example, in a scene where a car moves across a stationary background, only ...

  3. Picture frame - Wikipedia

    en.wikipedia.org/wiki/Picture_frame

    A picture frame is a container that borders the perimeter of a picture, and is used for the protection, display, and visual appreciation of objects and imagery such as photographs, canvas paintings, drawings and prints, posters, mirrors, shadow box memorabilia, and textiles. Traditionally picture frames have been made of wood, and it remains ...

  4. Mat (picture framing) - Wikipedia

    en.wikipedia.org/wiki/Mat_(picture_framing)

    In the picture framing industry, a mat (or matte, or mount in British English) is a thin, flat piece of paper -based material included within a picture frame, which serves as additional decoration and to perform several other, more practical functions, such as separating the art from the glass. Putting mats in a frame is called matting, a term ...

  5. Group of pictures - Wikipedia

    en.wikipedia.org/wiki/Group_of_pictures

    Group of pictures. In video coding, a group of pictures, or GOP structure, specifies the order in which intra- and inter-frames are arranged. The GOP is a collection of successive pictures within a coded video stream. Each coded video stream consists of successive GOPs, from which the visible frames are generated.

  6. Frame rate - Wikipedia

    en.wikipedia.org/wiki/Frame_rate

    Frame rate, most commonly expressed in frames per second or FPS, is typically the frequency (rate) at which consecutive images ( frames) are captured or displayed. This definition applies to film and video cameras, computer animation, and motion capture systems. In these contexts, frame rate may be used interchangeably with frame frequency and ...

  7. Picture framing glass - Wikipedia

    en.wikipedia.org/wiki/Picture_framing_glass

    Low-iron, or water white glass, is made using special iron free silica, and is generally only available in 2.0 millimetres (0.079 in) thicknesses for picture framing applications. Because low iron glass light absorption can be as low as 0.5%, compared to about 2% for clear glass, the light transmission will be significantly better than clear ...

  8. Digital photo frame - Wikipedia

    en.wikipedia.org/wiki/Digital_photo_frame

    A digital photo frame. A digital photo frame (also called a digital media frame) is a picture frame that displays digital photos without the need of a computer or printer. The introduction of digital photo frames predates tablet computers, which can serve the same purpose in some situations; however, digital photo frames are generally designed specifically for the stationary, aesthetic display ...

  9. Time-lapse photography - Wikipedia

    en.wikipedia.org/wiki/Time-lapse_photography

    Time-lapse photography is a technique in which the frequency at which film frames are captured (the frame rate) is much lower than the frequency used to view the sequence. When played at normal speed, time appears to be moving faster and thus lapsing. For example, an image of a scene may be captured at 1 frame per second but then played back at ...

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