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I am new to Swift and Xcode. Currently I have imagepicker working on my app and I am trying to detect multiple objects in the image that is uploaded from the image library, but I cannot find any tutorials where it depicts still image object detection with bounding boxes from image picker.
I know that I need to start off with VNImageRequestHandler in SwiftUI, but from there how do you input your machine learning model and create the bounding boxes. I have already tried piecing the code together from the Still images tutorial on Apple developer and the Vision object detection on Apple Documentation.
Any tips or information would be extremely helpful!
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I'm trying to implement a gray scale filter and sepia filter on an image loaded into the UIImageView from the photo library. i found in tutorials (I'm new to core Image) but then I want to put the sepia image back into the same same UIImageView when ever I try to put the new image into the view it just disappears I have tested to see if the image view contains an image and it does but it is not visible. any suggestions on what to do?
You can check these links. Hope you will get the solution..
https://github.com/BradLarson/GPUImage
http://www.willpowell.co.uk/blog/2014/09/14/15-image-filtering-processing-ocr-utilities-helper-libraries-frameworks-ios-iphone-ipad-development/
Please check below link. Hope you will get the proper solution..
https://github.com/esilverberg/ios-image-filters
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I am making a application that you can apply different effects to photos using GPU Image Framework by Brad Larson.I want to add X-ray Effect filter in GPU image app.Any pointers will be appreciated
You want something like the GPUImageColorInvertFilter:
If that doesn't produce the exact effect you want, you could create a custom filter based on it and have your fragment shader first convert to luminance, and then apply a greenish tint based on the inverse of the pixel's luminance. That would provide the exact effect you show above.
I'll leave the coding of such a shader as an exercise for the reader.
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I want to place the rectangle on the camera and drag to particular place and then want to get the cropped image of that particular rectangular area and save to photo album.
Please suggest me the procedure to do this.
Thanks in advance.
This is best site for custom UIImagePickerController.
http://www.cocoacontrols.com/search?utf8=%E2%9C%93&q=UIImagePickerController
You can find and get custom UIImagePickerController as you want.
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I know about mapxbox/routeme and routeme but I need something basic. I need a basic map with all the countries and the only details it would be the name of the countries and the borders.
Can I do that with mapbox? Is there any easier way to do that?
The app should be offline and preload the maps.
iOS 7 support offline maps.
You just need to add tiles for specific area.
Tile contains overlay of map so we just need to add that overlay on the map.
For tiles you need to calculate area for which you need offline map and then get that area from OpenStreetMaps.
That's it.
Here is detailed Link tutorial for this.
After getting idea from tutorial you can easily understand the map structure and move ahead.
Cheers.
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I have a task of building 2d game (packman style) and I need to use open gl(any version) for drawing image (task says so). It means I should build "open gl application" in Xcode, or it is enough to use Core Graphics or UIViews?
I had a very positive experience in my experiments at writing a 2D "packman-style" game using Core Graphics: if you do it right, CALayer animation proves sufficiently reliable and simple to implement.
Here is a link to a great article that explains how you can implement animated sprites in Cocoa. The trick is to use image atlases to avoid managing multiple images at runtime.