DigitalImageHelper is a suite of advanced calculators and tools designed to assist professionals and enthusiasts in the field of digital image processing and analysis. This comprehensive application provides a range of functionalities that cater to various aspects of image manipulation, compression, watermarking, and quality assessment. Heres an overview of the key features and functionalities of the DigitalImageHelper app:
1. Run-Length Entropy of Image Calculator:
- This tool calculates the entropy of black and white run lengths in an image, which is a measure of the randomness or complexity of the image data. Entropy values are given in joules per kelvin (J/K), and the average values of black and white run lengths are also provided.
2. Quantization Step Size in Image Processing Calculator:
- The app includes a calculator for determining the quantization step size, which is crucial for image compression. It takes into account the nominal dynamic range (in decibels) and the number of bits allotted to the exponent and mantissa.
3. Watermarked Image Calculator:
- This feature allows users to calculate and analyze the properties of a watermarked image. It includes parameters such as the number of pixels in the unmarked image, the watermark size, and the weighting parameter.
4. Rejection of Image Frequency Calculator:
- The app provides a calculator for determining the rejection of image frequency based on the quality factor and rejection constant. This tool is useful for assessing the quality of an image and making decisions about image processing parameters.
5. Digital Image Row and Column Calculators:
- These calculators help users determine the dimensions of a digital image based on the number of bits and the specified rows or columns. This is particularly useful for resizing images or understanding the impact of bit depth on image resolution.