A camera sensor converts the light intensity of a pixel into equivalent digital value. The digital value is directly proportional to the light intensity of a pixel and hence has a linear relationship. However, a human eye perceives the images as a logarithmic function of intensity instead of a linear function. If the images from a camera sensor are directly displayed on a display device, then the scene will appear unnatural because of the differences between the camera sensor and human eye perception. To compensate this, the image from the camera sensor goes through the gamma correction.
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Features and Benefits
- LUT-Based Gamma Correction :
- Implements gamma correction using a Look-Up Table (LUT) for efficient processing.
- Fixed Gamma Factor :
- Utilizes a fixed gamma correction factor of 2.2, corresponding to a gamma value of 0.4545.
- Data Width Support :
- Supports input and output data widths of 8 bits and 10 bits.
- Video Interface Compatibility :
- Compatible with Native Video Interface and AXI4 Stream Video Interface for video data transfer.
Licensing Options
Encrypted RTL free with any Libero license
Documentation
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| Microchip_UG0938_Gamma_Correction_IP_User_Guide.pdf | Download |