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Video Quality Caliper quick overview

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Video Quality Caliper

available in Media Server Studio packages - Professional Edition and Video Pro Analyzer

Video Quality Caliper may have multiple applications in video developer’s hands.

  • Single file view and playback
  • Objective metrics graph visualization (only reference metrics for now)
  • RD graph for group of coded files compressed from the same reference origin
  • Side by side compare of 2 compressed stream as a single picture (ex. left side from one, right from another)
  • Side by side compare of a compressed stream with original uncompressed as a single picture (ex. left side from one, right from another)
  • Detection of unexpected visual artefacts
  • Investigation of compression artefacts

VQC side by side video quality comparision

VQC can be used a file viewer for a single stream. It supports

  • Elementary streams and containers: MP2TS, MP4, MKV
  • All popular compression standards - HEVC, VP8, VP9, MPEG2, AVC
  • Uncompressed files, planar and interleaved
  • 4:2:0/4:2:2/4:4:4 chroma formats and 8-16 bit depth
  • Auto detection of compressed bitstreams
  • Auto detection of uncompressed streams with option to customize your format if it is not properly recognized - to adjust resolution, color format, bit depth etc
  • Playback with any zoom factor
  • Works on Windows and Linux

Major function of the tool is to visualize objective Metrics

  • PSNR for Y, U, V and Overall = (6Y+U+V)/8
  • SSIM and SSIMb
  • MWDVQM
  • Allows to save data to a file and picture chart
  • Visualize 2 metrics on a single graph - left handed axis and Secondary right handed metrics

VQC graph

GUI is essential component of productivity

  • Open a file or group of files, independent or by user-defined template
  • Flexible navigation in between frames, metrics graph preview of whole stream
  • Average stream based metric for stream bitrate on RD-graph
  • Clickable RD-graph with each point as a control of a graphic line
  • Quick stream down sampled preview
  • Mouse wheel and hot keys
  • Amazing zoom to pixel values
  • Customizable chart area
  • Clickable chart area to select frame preview in a separate window
  • Legend for a file mapping to a graph
  • Splits for multiple streams preview

VQC multi window split

  • Extended view of multiple streams
  • Offset view for multiple streams
  • Synchronous view for multiple streams
  • Intel® Video Pro Analyzer interoperability to inspect selected frame
  • Cached data size control
  • Restart with previously working options 

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