Patent Number: 
Section: claims

1. A wearable radiation detection system comprising:a housing;one or more pixelated imager chips located within the housing, each of the one or more pixelated imager chips being configured to operate as a direct detector, wherein the one or more pixelated imager chips comprise one or more of a photodiode, a color imager, a monochrome imager, a low light imager, an infrared imager, a thermal imager, a complementary metal-oxide-semiconductor imager, and a charge-coupled device imager; andone or more processors operably connected to each of the one or more pixelated imager chips, the one or more processors being configured to detect ionizing radiation using image data. 2. The wearable radiation detection system of claim 1, wherein the one or more pixelated imager chips are configured to acquire the image data without a scintillator. 3. The wearable radiation detection system of claim 2, wherein the image data comprises two-dimensional image data. 4. The wearable radiation detection system of claim 3, further comprising:one or more position sensors operably connected to the one or more processors and configured to acquire position data. 5. The wearable radiation detection system of claim 4, wherein the one or more processors are further configured to calculate a three-dimensional mass distribution based on the two-dimensional image data and the position data. 6. The wearable radiation detection system of claim 1, further comprising:one or more position sensors operably connected to the one or more processors and configured to acquire position data. 7. The wearable radiation detection system of claim 1, wherein the housing comprises one or more of a badge, a patch, a bracelet, a pendant, or a wrist computing device. 8. The wearable radiation detection system of claim 1, wherein the one or more processors are further configured to record a time stamp. 9. The wearable radiation detection system of claim 1, further comprising:a transmitter in operable communication with the one or more processors, wherein the one or more processors are further configured to cause the transmitter to wirelessly transmit the image data to a remote computing device. 10. The wearable radiation detection system of claim 1, further comprising:one or more body temperature sensors configured to detect a temperature of a body of a user. 11. A wearable radiation detection system comprising:a wearable housing;one or more pixelated imager chips configured to operate as direct detectors and located within the wearable housing;a processor operably connected to each of the one or more pixelated imager chips; and a non-transitory, processor readable storage medium operably connected to the processor, wherein the storage medium contains one or more instructions that, when executed, cause the processor to: receive image data from the one or more pixelated imager chips, and detect ionizing radiation based on the image data. 12. The wearable radiation detection system of claim 11, wherein:the one or more pixelated imager chips comprise one or more of a photodiode, a color imager, a monochrome imager, a low light imager, an infrared imager, a thermal imager, a complementary metal-oxide-semiconductor imager, and a charge-coupled device imager; andthe one or more pixelated imager chips are configured to acquire the image data without a scintillator. 13. The wearable detection system of claim 11, wherein one or more pixelated imager chips comprise two or more pixelated imager chips positioned in two or more different orientations. 14. The wearable detection system of claim 13, wherein the two or more pixelated imager chips comprise a first pixelated imager chip of a first type and a second pixelated imager chip of a second type different from the first type. 15. The wearable detection system of claim 13, wherein the wearable housing comprises one or more of a badge, a patch, a bracelet, a pendant, or a wrist computing device. 16. A wearable radiation detection system comprising:two or more pixelated imager chips configured to operate as direct detectors;one or more processors;memory in communication with the one or more processors and storing instructions that, when executed, are configured to cause the system to:calibrate the two or more pixelated imager chips to detect radiation;capture, using the two or more pixelated imager chips, image data in a manner controlled by the processor;process the image data; anddetect radiation based on the processed image data. 17. The wearable radiation detection system of claim 16, wherein:the two or more pixelated imager chips are positioned in two or more different orientations; andthe manner controlled by the processor is a long exposure image or video. 18. The wearable radiation detection system of claim 16, wherein the two or more pixelated imager chips are of two or more different types, and each of the two or more types of the two or more pixelated imager chips is calibrated differently. 19. The wearable radiation detection system of claim 16, wherein the radiation is detected in real-time, and the instructions are further configured to cause the system to trigger one or more of an alert indicative of detected radiation deviating from a threshold level or a notification indicative of a measured radiation dose rate. 20. The wearable radiation detection system of claim 16, wherein the two or more pixelated imager chips are positioned for wearing in two or more different locations on a body of a person.