US PATENT DOCUMENTS 5.991, 456 A 11/1999 Rahman et al. 6,009,209 A 12/1999 Acker
et al. 4,970,683 A 11, 1990 Harshaw et al. 6,016,354 A 1/2000 Lin et al. 4,975,969 A …

(57) ABSTRACT A digital image processing technique is for detecting and correcting visual
imperfections using a reference image. A main image and one or more reference images …

Digital single lens reflex cameras suffer from a well-known sensor dust problem due to
interchangeable lenses that they deploy. The dust particles that settle in front of the imaging …

(57) ABSTRACT A digital image processing technique detects and corrects visual
imperfections using a reference image. A main image and one or more reference images …

RGB cameras are arguably one of the most relevant sensors for autonomous driving
applications. It is undeniable that failures of vehicle cameras may compromise the …

5,905,807 A 5, 1999 Kado et al. 6,697.504 B2 2/2004 Tsai 5,911,139 A 6/1999 Jain et
al........................... 707/3 6,700,999 B1 3/2004 Yang 5,912,980 A 6, 1999 Hunke 6,714,665 …

(57) ABSTRACT A digital image acquisition system having no photographic film, such as a
digital camera, has a flash unit for providing illumination during image capture and a red-eye …

RGB cameras are one of the most relevant sensors for autonomous driving applications. It is
undeniable that failures of vehicle cameras may compromise the autonomous driving task …

(57) ABSTRACT A method of tracking faces in an image stream with a digital image
acquisition device includes receiving images from an image stream including faces …

(52) US Cl.......... 382/275; 382/173; 382/254; 382/274 (57) ABSTRACT (58) Field of
Classification Search.................. 382/173 A method of automatically determining a need to …