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397 image analyst interview questions shared by candidates

I was asked to explain a lot of details about C++ including type casting, operator overloading, pointers, template, and polymorphism. Basically, I had to explain about most of C++ features compared to other language. After that, I was asked to implement simple C++ histogram computation routine. They measured how efficiently use C++ STL.
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Medical Image Analyst

Interviewed at Kitware

3.3★
Apr 19, 2014

I was asked to explain a lot of details about C++ including type casting, operator overloading, pointers, template, and polymorphism. Basically, I had to explain about most of C++ features compared to other language. After that, I was asked to implement simple C++ histogram computation routine. They measured how efficiently use C++ STL.

Assume you are given an image that consists of the actual image content which is contained inside a frame/set of borders of a known RGB color but unknown widths. The borders are all a single color and perfectly row/column aligned. Here is an example image but please note that this should work with any image that meets the above specifications. Write a program in C/C++ that takes an image file (e.g. a PNG) and trims the borders, then saves off the image back to an image format again (e.g. a PNG). You may not use any helper functions to do the actual trimming; your function must do this pixel by pixel yourself.
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Image Processing Engineer

Interviewed at Imgix

4.7★
Feb 24, 2021

Assume you are given an image that consists of the actual image content which is contained inside a frame/set of borders of a known RGB color but unknown widths. The borders are all a single color and perfectly row/column aligned. Here is an example image but please note that this should work with any image that meets the above specifications. Write a program in C/C++ that takes an image file (e.g. a PNG) and trims the borders, then saves off the image back to an image format again (e.g. a PNG). You may not use any helper functions to do the actual trimming; your function must do this pixel by pixel yourself.

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