Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: The workflow of the proposed calibration method for a low-cost camera.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: The resampling method from the original calibration fixture image.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: The 2D diffused reflective planar calibration board and circular targets.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Radial distortion profiles at different radial distances for Canon in the air calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Decentering distortion profiles at different radial distances for Canon in the air calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: In-plane distortions for Canon in the air calibrated using the conventional method and the proposed method at different calibrations: ( a ) the conventional method (the first calibration); ( b ) the second calibration; ( c ) the third calibration; ( d ) the fourth calibration.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Radial distortion profiles at different radial distances for GoPro in the air calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Decentering distortion profiles at different radial distances for GoPro in the air calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: In-plane distortions at different calibrations for GoPro in the air: ( a ) the first calibration; ( b ) the second calibration; ( c ) the third calibration; ( d ) the fourth calibration.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: The calibrated IO parameters of the two cameras with the conventional method and the proposed method in the air and underwater environment.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Radial distortion profiles at different radial distances for GoPro in the underwater environment (0.14 m away from the calibration board) calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Decentering distortion profiles at different radial distances for GoPro in the underwater environment (0.14 m away from the calibration board) calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: In-plane distortions at different calibrations for GoPro in the underwater environment (0.14 m away from the calibration board): ( a ) the first calibration; ( b ) the second calibration; ( c ) the third calibration; ( d ) the fourth calibration.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Radial distortion profiles at different radial distances for GoPro in the underwater environment (0.5 m away from the calibration board) calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Decentering distortion profiles at different radial distances for GoPro in the underwater environment (0.5 m away from the calibration board) calibrated using the conventional method and the proposed method at different calibrations.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: In−plane distortions at different calibrations for GoPro in the underwater environment (0.5 m away from the calibration board): ( a ) the first calibration; ( b ) the second calibration; ( c ) the third calibration; ( d ) the fourth calibration.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: A Combined Physical and Mathematical Calibration Method for Low-Cost Cameras in the Air and Underwater Environment

doi: 10.3390/s23042041

Figure Lengend Snippet: Measurement accuracy comparison between the conventional camera calibration method and the proposed camera calibration method.

Article Snippet: From the GoPro underwater calibration results ( , and , ), the calibrated maximum radial, decentering, and in-plane distortion are 0.11 mm, 0.002 mm, and 25 μm, respectively.

Techniques: Comparison