Image detection device and image detection method
An image detection device and image detection technology, which are used in eye testing equipment, medical science, ophthalmoscope, etc., can solve problems such as uncontrollable eye or body tremors, increase the burden on medical staff and patients, and spend a lot of time, and achieve good results. The effect of acquisition range and image quality
Active Publication Date: 2015-10-28
ALTEK BIOTECH
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As a result, it takes a lot of time to take a picture of the fundus retina, and it is also easy to cause more fatigue to the patient's eyes
Even for patients with special diseases such as nystagmus, they cannot control eyeballs or body tremors, which makes it much more difficult and time-consuming to manually photograph the retina, and also increases the burden on medical staff and patients
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[0051] figure 1 is a schematic diagram of an image detection device according to an embodiment of the present invention. figure 2 is according to figure 1A detailed schematic of the photomask in the embodiment. Please refer to figure 1 . In this embodiment, the image detection device 10 is used to detect the object 20 under test. In this embodiment, the object to be tested 20 is, for example, an eyeball. However, in other embodiments, the object to be tested 20 may be any object that can be detected by the optical system of the image detection device 10 . The image detection device 10 includes a light source 100 , a light shield 110 , a lens module 120 , an image detection unit 130 and a control unit 140 . The light source 100 can be a visible light source, and can provide an illumination beam L. As shown in FIG. Alternatively, in other embodiments, the light source 100 may also be an invisible light source, such as a light source for providing infrared light beams. Th...
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The invention provides an image detection device and an image detection method which are used for detecting an object to be detected. The image detection device comprises a light source, a light shading cover, a lens module, an image detection unit and a control unit. The light source provides an illumination light beam. The light shading cover is arranged on a transmission path of the illumination light beam and is provided with a transmitting open hole. The illumination light beam passes through the light shading cover through the transmitting open hole. The lens module is arranged on the transmission path of the illumination light beam from the transmitting open hole. The illumination light beam is reflected to be an image light beam by the object to be detected. The lens module is arranged on a transmission path of the image light beam. The image detection unit is arranged on the transmission path of the image light beam from the lens module. The control unit enables the image detection unit and the light shading cover to move according to the detected image skewing state of the image detection unit. The image detection device and the image detection method can be adapted to moving of the objected to be detected, so that the good image capture range and image quality are obtained.
Description
technical field [0001] The invention relates to a detection device and a detection method, in particular to an image detection device and an image detection method. Background technique [0002] In recent years, with the rapid progress of semiconductor technology and manufacturing process, image sensing devices such as complementary metal-oxide-semiconductor sensor (CMOS sensor) and charge coupled device (CCD) The size, cost, and power consumption are reduced, so it can be widely used in portable products such as handheld digital cameras or smart phones. However, the image sensing device on the portable device often blurs the image due to slight shaking or movement of the user, which increases the difficulty for the user. [0003] In the application of medical instruments, for example, in physiological image capture devices such as retinal or fundus cameras, even small vibrations will greatly affect the imaging range of the optical system because the narrow pupil is used to...
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IPC IPC(8): A61B3/12A61B3/15
Inventor 锺郁芬王芃祥林俊安
Owner ALTEK BIOTECH