Electronic device performing function according to gesture input and operation method thereof

An electronic device comprising:

• a camera module;
• a display including a touch panel;
• and
• a processor,
• memory including instructions, wherein the instructions are executable by the processor to cause the electronic device to:
• acquire a first image using the camera module,
• display the acquired first image through the display,
• obtain a user input to the touch panel including a gesture designating a partial area of the displayed first image,
• detect a type of an object included within the partial area designated by the user input,
• determine a function based on the detected type of the object and the gesture,
• generate a second image by using the first image by processing image information included in the designated partial area using the determined function, and
• display the generated second image through the display.