Image photographing device and image processing system
An image capturing and equipment technology, applied in the field of remote sensing, can solve problems such as the inability to accurately reflect the channel bandwidth of vegetation characteristic spectrum bands, and achieve the effects of reducing volume and weight, compact structure, and easy portability.
Inactive Publication Date: 2017-08-01
INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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Since the RGB color image is only an image of three channels, the wavelength position of the channel cannot accurately reflect the characteristic spectral band of the vegetation and the channel bandwidth is relatively large, which can represent less information. Quantitative remote sensing inversion of plant species
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[0020] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0021] In the field of agriculture and forestry, portable shooting equipment is usually needed to take pictures of crops and plant species, so that quantitative remote sensing inversion can be performed on crops and plant species based on the captured images, so as to obtain information such as the growth status of crops and plant species. Existing portable photographing devices are usually common cameras, which can only capture RGB color images. Among them, the RGB color image mainly refers to the corresponding image when the spectrum is divided into three bands according to the wavelength in the spectral dimension. Because RGB color images can represent less information...
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The invention provides an image photographing device and an image processing system, which belongs to the technical field of remote sensing. The device comprises a lens, an image sensor and a photographing control unit. The lens and the image sensor are located on a straight line. The number of the coating channels of the image sensor is at least 4. The image sensor is used for responding to reflection light signals of different wavelengths of a photographing target through the coating channels, and converting the reflection light signals into electrical signals. The photographing control unit is used for acquiring corresponding multi-channel hyperspectral image data based on the electrical signals converted by the image sensor. According to the invention, the image sensor is coated; the image sensor responds to reflection light signals of different wavelengths of the photographing target through different coating channels, so as to photograph a multi-channel hyperspectral image; in addition, since no additional hyperspectral components are added, the volume and the weight of the image photographing device are reduced; and the device is compact in structure and portable.
Description
technical field [0001] The present invention relates to the technical field of remote sensing, and more specifically, to an image capturing device and an image processing system. Background technique [0002] Nowadays, in the field of agriculture and forestry, it is often necessary to use portable shooting equipment to photograph crops and plant species, so as to carry out quantitative remote sensing inversion of crops and plant species based on the captured images, so as to obtain information such as the growth status of crops and plant species. Among them, quantitative remote sensing inversion mainly uses the data of ground observation, aviation, space remote sensing platforms and multiple load detectors to coordinate observations, such as multi-channel hyperspectral images, through physical models, statistical models or model coupling, the observation objects or phenomena Quantitative processing and presentation of the characteristics, relationships and changes of human b...
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IPC IPC(8): H04N5/225H01L27/146
CPCH01L27/14601H01L27/14683H04N23/54H04N23/55H04N25/135
Inventor 张立福张红明孙雪剑鹿旭晖张鹏
Owner INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI