Dell products l.p. (20250139936). EVALUATION OF CONTRAST BETWEEN TEXTUAL PORTIONS AND BACKGROUND PORTIONS OF AN IMAGE

EVALUATION OF CONTRAST BETWEEN TEXTUAL PORTIONS AND BACKGROUND PORTIONS OF AN IMAGE

Organization Name

dell products l.p.

Inventor(s)

Karim Merchant of Torrance CA US

Stacey Lynn Lumley of Corpus Christi TX US

EVALUATION OF CONTRAST BETWEEN TEXTUAL PORTIONS AND BACKGROUND PORTIONS OF AN IMAGE

This abstract first appeared for US patent application 20250139936 titled 'EVALUATION OF CONTRAST BETWEEN TEXTUAL PORTIONS AND BACKGROUND PORTIONS OF AN IMAGE

Original Abstract Submitted

techniques are provided for evaluation of contrast between textual portions and background portions of an image. one method comprises identifying a textual portion in an image; automatically determining a contrast ratio threshold applicable to the textual portion based on one or more font characteristics (e.g., a font size, a font weight and/or a font type) of the textual portion; determining a contrast ratio of the textual portion based on a luminance of a background portion of the image that is adjacent to the textual portion; comparing the contrast ratio and the contrast ratio threshold; and initiating one or more automated actions based on a result of the comparison. machine learning may be employed to predict one or more of the font characteristics of the textual portion.