Russian researchers have developed an innovative image processing method that significantly enhances screen accessibility for people with colour vision deficiency (CVD), without distorting the original colour palette. This is reported by
Crónica Digital, a partner of TV BRICS.

The project was carried out by experts from the Federal Research Centre for Informatics and Control, affiliated with the A. A. Kharkevich Institute for Information Transmission Problems of the Russian Academy of Sciences. The team created an algorithmic solution that adapts images on monitors and televisions, making details more distinguishable for viewers with colour vision impairments while maintaining a natural appearance for those with normal colour perception.

Unlike existing colour-blind modes on smartphones and displays, the new method simulates dichromatic vision and selectively enhances brightness and contrast in parts of the image where visual detail is typically lost for those with red-green or blue-yellow deficiencies. Importantly, the overall colour scheme remains unchanged, ensuring that viewers with trichromatic (normal) vision also see an undistorted image.

The technology aims to improve the viewing experience for more than 300 million people worldwide living with CVD, who often face challenges when using modern visual devices such as televisions, tablets, and smartphones.

Experimental trials demonstrated the method’s effectiveness: 90 per cent of participants with colour vision deficiency and 95 per cent of those with normal vision reported that images processed with the new approach appeared more realistic and visually comfortable than those adapted using traditional techniques.

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