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Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?
1. Identification of tree species within a forest
2. Mineral exploration
3. Detection of bats by converting very high-frequency signals into low- frequency signals
Select the correct answer using the code given below.
  • a)
    1 and 2 only
  • b)
    2 only
  • c)
    1, 2 and 3
  • d)
    1 only
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Hyperspectral imaging is an imaging technique in which electromagnetic...
Hyperspectral Imaging Applications

Introduction:
Hyperspectral imaging is an advanced imaging technique that captures electromagnetic radiation across a wide range of frequencies. It enables the identification and analysis of materials based on their spectral signatures. This technology finds numerous applications in various fields due to its ability to provide detailed and accurate information about the composition and characteristics of objects.

Applications:

1. Identification of tree species within a forest:
Hyperspectral imaging can be used to classify and identify different tree species within a forest. Each tree species has a unique spectral signature, which can be captured by hyperspectral sensors. By analyzing these signatures, it becomes possible to distinguish between different tree species, even when they are densely packed together. This information is valuable for ecological studies, forest management, and biodiversity assessment.

2. Mineral exploration:
Hyperspectral imaging is extensively employed in mineral exploration and mapping. Different minerals have distinct spectral reflectance patterns, making it possible to identify and locate specific minerals using hyperspectral data. This technology helps in the detection of minerals at the surface or even beneath the soil, aiding in the exploration and characterization of mineral deposits. It can significantly enhance the efficiency and accuracy of mineral exploration activities.

3. Detection of bats by converting very high-frequency signals into low-frequency signals:
This statement is incorrect. Hyperspectral imaging does not involve the conversion of high-frequency signals into low-frequency signals. It focuses on capturing and analyzing electromagnetic radiation across different frequencies to extract valuable information about the composition and properties of objects. Therefore, the detection of bats by converting high-frequency signals into low-frequency signals is not a well-known application of hyperspectral imaging.

Therefore, the correct answer is option 'A' - 1 and 2 only. Hyperspectral imaging is widely used for the identification of tree species within a forest and mineral exploration, but it is not employed for the detection of bats by converting high-frequency signals into low-frequency signals.
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Community Answer
Hyperspectral imaging is an imaging technique in which electromagnetic...
  • Multispectral imagery is produced by sensors that measure reflected energy within several specific sections (also called bands) of the electromagnetic spectrum. Multispectral sensors usually have between 3 and 10 different band measurements in each pixel of the images they produce. Examples of bands in these sensors typically include visible green, visible red, near-infrared, etc. Landsat, Quickbird, and Spot satellites are well-known satellite sensors that use multispectral sensors.
  • Hyperspectral sensors measure energy in narrower and more numerous bands than multispectral sensors. Hyperspectral images can contain as many as 200 (or more), contiguous spectral bands. The numerous narrow bands of hyperspectral sensors provide a continuous spectral measurement across the entire electromagnetic spectrum and therefore are more sensitive to subtle variations in reflected energy. Images produced from hyperspectral sensors contain much more data than images from multispectral sensors and have a greater potential to detect differences among land and water features.
  • Hyperspectral imaging has been widely used in mineral exploration and mapping, vegetation classification (identification of trees in forests) and environment analysis, etc. Hence options 1 and 2 are correct.
  • Bat detectors use sound frequency converters to convert the ultrasound frequencies into audible frequencies. They do not use hyperspectral imaging. Hence option 3 is not correct.
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Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?1. Identification of tree species within a forest2. Mineral exploration3. Detection of bats by converting very high-frequency signals into low- frequency signalsSelect the correct answer using the code given below.a)1 and 2 onlyb)2 onlyc)1, 2 and 3d)1 onlyCorrect answer is option 'A'. Can you explain this answer?
Question Description
Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?1. Identification of tree species within a forest2. Mineral exploration3. Detection of bats by converting very high-frequency signals into low- frequency signalsSelect the correct answer using the code given below.a)1 and 2 onlyb)2 onlyc)1, 2 and 3d)1 onlyCorrect answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?1. Identification of tree species within a forest2. Mineral exploration3. Detection of bats by converting very high-frequency signals into low- frequency signalsSelect the correct answer using the code given below.a)1 and 2 onlyb)2 onlyc)1, 2 and 3d)1 onlyCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?1. Identification of tree species within a forest2. Mineral exploration3. Detection of bats by converting very high-frequency signals into low- frequency signalsSelect the correct answer using the code given below.a)1 and 2 onlyb)2 onlyc)1, 2 and 3d)1 onlyCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Hyperspectral imaging is an imaging technique in which electromagnetic radiations of different frequencies can be captured. Which of the following is/are well- known applications of hyperspectral imaging?1. Identification of tree species within a forest2. Mineral exploration3. Detection of bats by converting very high-frequency signals into low- frequency signalsSelect the correct answer using the code given below.a)1 and 2 onlyb)2 onlyc)1, 2 and 3d)1 onlyCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
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