Fig. 1. Diagram of laser driven X-ray source coding radiography

Fig. 2. Simulated image using pinhole-array plate

Fig. 3. Simulated images by pinhole with different diameter

Fig. 4. Simulated penumbral image and corresponding reconstructed source image at different X-ray brightness

Fig. 5. Radiography image by single-wire target with different X-ray spectrum

Fig. 6. Inversion image from simulated image by wire-array target with different X-ray spectrum

Fig. 7. Experimental configuration

Fig. 8. Design drawing of object and experimental radiography image

Fig. 9. Micrograph picture of assembled wire-array target

Fig. 10. Pinhole image, penumbral image and reconstructed image from penumbral image of wire-array target

Fig. 11. Radiography image with wire-array target, inversion image and radiography image with single-wire target

Fig. 12. Edge spread curves from inversion image by wire-array target and radiography image by single-wire target

Fig. 13. Bremsstrahlung spectrum of single-wire target and wire-array target