Abstract: In this paper, we consider a dual-mode process for the electrophotographic laser printer-a low-frequency halftoning for smooth regions and a high-frequency halftoning for detail regions.

You might think that with today’s grading and authenticating technology, counterfeits would be on the decline. But you would be wrong. According to CGC VP and lead grader Andy Broome, he still sees ...

For local newspapers, the week of Sept. 10, 1898, was a banger. New Westminster’s Great Fire of 1898 wasn’t just bad, it was “a calamity,” “a terrible havoc,” “a fiery fiend.” “At times during the ...

Bell Telephone’s Dr. Herbert Eugene Ives, 47, disclosed last week his progress with colored television. He has spent his life on photography, photoengraving, light, colors, sending pictures by ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Abstract: In this paper we propose a blind dual watermarking scheme using Set Partitioning in Hierarchical Trees (SPIHT) and Stucki Kernel halftone technique for the tamper detection and image ...

The concept of “processing” trauma has become ubiquitous; #TraumaProcessing has more than a million views on TikTok, there’s no shortage of trauma-focused therapists sharing coping strategies on ...