Component imagery system

G - Physics – 06 – T

Patent

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Details

G06T 5/00 (2006.01) G06F 17/30 (2006.01) G06T 5/50 (2006.01) G06T 15/50 (2006.01)

Patent

CA 2373163

A large database (10, 11, 114) of digitized background images (12) is provided with one or more attributes (14, 16, 18, 15, 17, 19, 116, 118) associated with each image. Preferably most if not all of the attributes are expressed numerically. The attributes can pertain to lighting conditions at the time the associated photograph was taken, and camera orientation. Such conditions can include the horizontal angle of the primary lighting (H), the vertical angle of the primary lighting (V), a measure of the apparent ground perspective (P), color temperature (CT), a measure of light diffusion (D), a measure of the degree of ambient light (A), and horizontal depth of field focal range boundaries (NF, FF). The database is searchable by one or more of these attributes and/or by subject. A user can select a desired background image and learn the attributes associated with that image. A subject image having matching attributes then can be composited with the background image for a realistic composite montage.

L'invention concerne une grande base de données (10, 11, 114) de fonds d'images numérisés (12) comportant un ou plusieurs attributs (14, 16, 18, 15, 17, 19, 116, 118) associés à chaque image. De préférence, on exprime numériquement la plupart sinon la totalité des attributs, lesquels peuvent se rapporter aux conditions d'éclairage au moment de la prise de vues associée et à l'orientation de l'appareil de prise de vues. Lesdites conditions peuvent être : angle horizontal de l'éclairage primaire (H), angle vertical de l'éclairage primaire (V), mesure de la perspective apparente du sol (P), température de couleur (CT), mesure de la diffusion de la lumière (D), mesure du degré de lumière ambiante (A), et profondeur horizontale des limites de gamme de focale de champ (NF, FF). On peut effectuer les recherches dans la base de données par rapport à un ou plusieurs attributs et/ou par sujet. L'utilisateur peut sélectionner un fond d'image voulu et acquérir les attributs associés. Ensuite, une image sujet ayant des attributs correspondants peut être composée avec ce fond d'image pour donner une image composite réaliste.

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