Fig. 1. Framework based on frequency modulation and spatial coding detection

Fig. 2. Physical implementation and mathematical modeling of spatially-encoded detection. (a1)(a2)(a3) Physical implementation process; (b1)(b2)(b3) mathematical modeling process

Fig. 3. Mathematical model of physical implementation of frequency modulation and spatial coding detection

Fig. 4. Simulation models. (a) Simple regular geometric model; (b) light source distribution of geometric model; (c) inhomogeneous cylinder model; (d) light source distribution of inhomogeneous cylinder model

Fig. 5. Simulation results of geometric model. (a)-(j) Ten fluorescent images acquired by traditional FMT method; (k)-(t) ten fluorescent images collected by proposed method

Fig. 6. Simulation results of non-homogeneous cylinder model. (a)-(j) Ten fluorescent images acquired by traditional FMT method; (k)-(t) ten fluorescent images collected by proposed method