Terms: Ray Tracing (3,530,000), 3D ray tracing (20,300), path integrals (312,000),
Terms: tomography (31,000,000), joint tomography (406), traveltime tomography (23,800), tomographic models (25,500), sound speed tomography (29), velocity tomography (13,200), acceleration tomography (0), strain tomography (6), magnetic tomography (4,010),
Terms: attenuation tomography (8,370), diffraction tomography (35,600), reflection tomography (17,700), time of flight transmission tomography (5), time of flight tomography (808),
Terms: ring transducer array (45), ring arrays (2,780), ring array (19,800), ring transducers (753),
Terms: ray path (150,000), ray paths (128,000), ray segments (4,290),
Boolean: "ray tracing" +tomography (105,000), "ray tracing" +seismic (123,000), "ray tracing" +tomography +3d (38,500), "seismic tomography" +3d (74,800),
Boolean: mri +"ray tracing" (33,000), "magnetic resonance" +"ray tracing" (25,500), ultrasonic +"ray tracing" +3d (12,600), ultrasonic +"ray tracing" +imaging (18,200),
Boolean: "ray tracing" +arrival times" (66,800), tomography +"arrival times" (83,400),