Photographing-mode-dependent image data recording method in a digital camera using hiearchical storage to record still images at a different level than sequential images

An image data recording method of an electronic camera, said method comprising:

• establishing a data management index corresponding exclusively to one of a plurality of photographing circumstances;
• discriminating respective photographing circumstances of photographed images obtained by said camera;
• assigning a file name to each said photographed image;
• and
• recording image data and the file name of each photographed image in correspondence with each other,
• wherein a file name assigned to an image photographed under a photographing circumstance other than said one photographing circumstance is recorded at a first hierarchy level, said data management index is recorded at said first hierarchy level, and a file name assigned to an image photographed under said one photographing circumstance is recorded in association with said data management index at a hierarchy level different from said first hierarchy level.

An image data recording method of an electronic camera, said method comprising:

• establishing a first directory dedicated to a first photographing circumstance and a second directory dedicated to a second photographing circumstance;
• discriminating respective photographing circumstances of photographed images obtained by said camera;
• assigning a file name to each said photographed image;
• and
• recording image data and the file name of each photographed image in correspondence with each other,
• wherein respective names of said first and second directories are recorded at a first hierarchy level, a file name assigned to an image photographed under said first photographing circumstance is recorded in said first directory, and a file name assigned to an image photographed under said second photographing circumstance is recorded in said second directory.

An image data recording method of an electronic camera, said method comprising:

• establishing a first data management index dedicated to a first photographing circumstance and a second data management index dedicated to a second photographing circumstance;
• discriminating respective photographing circumstances of photographed images obtained by said camera;
• assigning a file name to each said photographed image;
• and
• recording image data and the file name of each photographed image in correspondence with each other,
• wherein said first data management index and said second data management index are recorded at a first hierarchy level, a file name assigned to an image photographed under said first photographing circumstance is recorded in association with said first data management index at a hierarchy level different from said first hierarchy level, and a file name assigned to an image photographed under said second photographing circumstance is recorded in association with said second data management index at a hierarchy level different from said first hierarchy level.