Image sensing apparatus

摘要

An image sensing apparatus includes an image sensor including a plurality of pixels and configured to sense an optical image formed from fluorescence or phosphorescence generated by excitation light from an excitation light source when periods during which pixels perform the photoelectric conversion sequentially end on the respective rows, a mechanical shutter configured to control exposure on the image sensor, and a control unit configured to control the image sensor and the mechanical shutter so as to prevent overlapping between an excitation period and a detection period, the excitation period being a period during which the excitation light source emits excitation light, the detection period being a period during which the plurality of pixels are commonly set in a state of performing the photoelectric conversion for detecting fluorescence or phosphorescence and the mechanical shutter is open.

主权项

1. An image sensing apparatus comprising:
an image sensor including a plurality of pixels which are arrayed to form a plurality of rows and a plurality of columns and perform photoelectric conversion for light, the image sensor being configured to sense, with a rolling shutter operation, an optical image formed from fluorescence or phosphorescence generated by excitation light from an excitation light source; a mechanical shutter configured to control exposure on the image sensor; and a controller configured to control the image sensor and the mechanical shutter so as to prevent overlapping between an excitation period and a detection period, the excitation period being a period during which the excitation light source emits excitation light, the detection period being a period during which the plurality of pixels are commonly set in a state of performing the photoelectric conversion for detecting fluorescence or phosphorescence and the mechanical shutter is open, wherein the controller is configured to control the image sensor such that the excitation period starts in a state that pixels on at least a part of the plurality of rows are set and maintained in a charge accumulation state.