Table of Contents
- 1 Which of the following data augmentation technique would you prefer for an object recognition problem *?
- 2 Which of the following is the correct way to sharpen an image?
- 3 How do you make a data implant?
- 4 Is scaling a data augmentation technique?
- 5 What is image smoothing in digital image processing?
- 6 How mean filters are used for image enhancement?
- 7 How do I resize a photo using Fotor’s Resizer?
- 8 How to force an image to fit in an exact size?
Which of the following data augmentation technique would you prefer for an object recognition problem *?
Which of the following data augmentation technique would you prefer for an object recognition problem? Ans. Horizontal flipping, Rescaling, Zooming; Deep learning model actually require so much of data to train the models.
Which of the following is the correct way to sharpen an image?
18) Which of the following is a correct way to sharpen an image?
- Convolve the image with identity matrix.
- Subtract this resulting image from the original.
- Add this subtracted result back to the original image.
What is the name of the tool that helps in zooming shrinking rotating etc?
Interpolation
Explanation: Interpolation is the basic tool used for zooming, shrinking, rotating, etc. Explanation: Its called as Nearest Neighbour Interpolation since for each new location the intensity of the next neighbouring pixel is assigned.
Which of the following filters is used to convert the processed image value is equal to zero?
Notch filter
Explanation: Notch filter sets F (0, 0), to zero, hence setting up the average value of image zero.
How do you make a data implant?
Basic data augmentation techniques
- Flipping: flipping the image vertically or horizontally.
- Rotation: rotates the image by a specified degree.
- Shearing: shifts one part of the image like a parallelogram.
- Cropping: object appear in different positions in different proportions in the image.
- Zoom in, Zoom out.
Is scaling a data augmentation technique?
Some of the most common data augmentation techniques used for images are:
- Position augmentation. Scaling. Cropping. Flipping. Padding. Rotation. Translation. Affine transformation.
- Color augmentation. Brightness. Contrast. Saturation. Hue.
What is the real world application of image subtraction Mcq?
Explanation: A frequent application of image subtraction is in the enhancement of differences between images . Explanation: Mask mode radiography is an important medical imaging area based on Image Subtraction.
What is the use of histogram equalization?
Histogram Eq u alization is a computer image processing technique used to improve contrast in images . It accomplishes this by effectively spreading out the most frequent intensity values, i.e. stretching out the intensity range of the image.
What is image smoothing in digital image processing?
Smoothing • Smoothing is often used to reduce noise within an image. • Image smoothing is a key technology of image enhancement, which can remove noise in images. So, it is a necessary functional module in various image-processing software. • Image smoothing is a method of improving the quality of images.
How mean filters are used for image enhancement?
The idea of mean filtering is simply to replace each pixel value in an image with the mean (`average’) value of its neighbors, including itself. This has the effect of eliminating pixel values which are unrepresentative of their surroundings. Mean filtering is usually thought of as a convolution filter.
How to resize an image in Photoshop?
How to Resize an Image? 1 Open Fotor’s image resizer and upload the image you want to edit. 2 Type proportions in the “Width” and “Height” fields or enter a percentage to determine the size of the photo. 3 Click the “Apply” option to use your set proportions. 4 To finish resizing the image, save and
How do I preserve aspect ratio of an image?
There is no standard way to preserve aspect ratio for images with width, height and max-width specified together. So we are forced either to specify width and height to prevent page “jumps” during loading images, or to use max-width and not specify dimensions for images.
How do I resize a photo using Fotor’s Resizer?
1 Open Fotor’s image resizer and upload the image you want to edit. 2 Type proportions in the “Width” and “Height” fields or enter a percentage to determine the size of the photo. 3 Click the “Apply” option to use your set proportions. 4 To finish resizing the image, save and choose format it to suit your needs. Get Started.
How to force an image to fit in an exact size?
To force image that fit in a exact size, you don’t need to write too many codes. Here is the answer if you want to put image with fixed percentage of width, but not fixed pixel of width. And this will be useful when dealing with different size of screen. Using padding-top to set the height from width.