Patent ID: 8835824
Filing Date: 2014-09-16
Classification: H04N

Abstract:
1. An imaging method wherein pulses of an incident beam are emitted by a pulsed light source towards an observed area covered substantially by the view field of a photosensitive surface area of an optronic sensor, the method comprising: for each pulse of said incident beam, deflecting said pulse towards a respective portion of said observed area; backscattering said pulse by said respective portion of said observed area to form a respective backscatter spot on said photosensitive surface area; integrating charges accumulated in a portion of said photosensitive surface area exposed to said respective backscatter spot during at least a reception duration of said respective backscatter spot by said sensor, an integration duration lying between emissions of two successive pulses of said incident beam; acquiring a small-sized image corresponding to said respective backscatter spot resulting from the emission of said pulse as a function of said accumulated charges; maintaining the photosensitive surface area inactive during at least said emission of said pulse between said source and said observed area; and providing a partial overlap of backscatter spots at least two to two into overlapping backscatters, a partial overlap of small-sized images at least two to two corresponding to said overlapping backscatters into overlapping small-sized images, and a combination of at least two adjacent overlapping small-sized images.