Color Changes in Electronic Endoscopic Images Caused by Image Compression
1997

Color Changes in Electronic Endoscopic Images Caused by Image Compression

Sample size: 6 publication Evidence: moderate

Author Information

Author(s): O. Katayama, S. Ishihama, K. Namiki, I. Ohic

Primary Institution: Saitamaken-Saiseikai Kurihashi Hospital

Hypothesis

The study aims to determine the relationship between the degree of image compression and the color information in electronic endoscopic images.

Conclusion

The results revealed that color changes were greater for blue images than for red or green as the degree of compression was increased.

Supporting Evidence

  • Color changes were more pronounced in blue images as compression increased.
  • Red images showed minimal changes with increased compression.
  • Images were recorded using a magneto-optical video disk recorder.

Takeaway

When we take pictures with a special camera, making the pictures smaller can change the colors, especially the blue ones.

Methodology

Eight images were recorded in four compression modes and analyzed for color density in ten regions of interest.

Limitations

The study only assessed images from a limited number of patients and specific compression modes.

Participant Demographics

Patients undergoing routine endoscopic examination for the upper gastrointestinal tract.

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication