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Camera shake warning and feedback system that teaches the photographer

  • US 7,397,500 B2
  • Filed: 04/30/2003
  • Issued: 07/08/2008
  • Est. Priority Date: 04/30/2003
  • Status: Expired due to Fees
First Claim
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1. A method of improving image blur, comprising the steps of:

  • a) computing a stability measure from digital image data;

    b) comparing the stability measure with a predetermined value;

    c) selecting a message based on at least one photographic parameter when comparing the stability measure with the predetermined value indicates that blur may occur; and

    d) communicating the message to a camera user, the message suggesting to the user at least one camera setting change for reducing blur;

    e) tracking changes in an edge-detect figure of merit for the digital image data over a predetermined period of time;

    wherein the at least one photographic parameter comprises one or more of a lens focus distance and an effective strobe range;

    wherein the camera associates the message with an image file and wherein the image file and the associated message are transferred from the camera to a computer and the message is displayed on the computer;

    wherein the at least one photographic parameter further comprises a lens focal length;

    wherein the at least one photographic parameter further comprises a camera shutter speed; and

    wherein communicating the message to the camera user comprises displaying the message on a microdisplay viewed through a viewfinder-like portal in the camera.

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