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Thumbnail generating apparatus and image shooting apparatus

A technology of generating device and camera device, applied in image communication, TV, color TV, etc., can solve the problems of adding, adding troubles for users, and difficult to select moving image files, etc.

Inactive Publication Date: 2010-09-08
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as in conventional method 1, when a thumbnail image is generated at an appropriate time, the thumbnail image often cannot express the characteristics of the captured moving image, and it is often difficult to effectively select and reproduce the desired image based on the thumbnail image. motion picture file
[0007] In addition, in the existing method 2, troubles are added to the user
In addition, even when the conventional method 3 is adopted, it results in the trouble of pressing the dedicated switch during recording for the user.
Also, a special switch needs to be set

Method used

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  • Thumbnail generating apparatus and image shooting apparatus
  • Thumbnail generating apparatus and image shooting apparatus
  • Thumbnail generating apparatus and image shooting apparatus

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no. 1 Embodiment approach

[0058] First, the first embodiment of the present invention will be described. FIG. 1 is an overall block diagram showing an imaging device 1 according to a first embodiment of the present invention. Examples are digital cameras and digital video cameras. The imaging device 1 can capture moving images and still images, and can also simultaneously capture still images during moving image photography.

[0059] The imaging device 1 includes an imaging unit 11, an AFE (Analog Front End) 12, an image signal processing unit 13, a microphone (audio input unit) 14, an audio signal processing unit 15, a compression processing unit 16, and an SDRAM as an example of an internal memory. (Synchronous Dynamic Random Access Memory) 17, memory card 18, expansion processing unit 19, image output circuit (video output circuit) 20, sound output circuit 21, TG (timing generator) 22, CPU (Central Processing Unit) 23, bus 24, bus 25 , operation unit 26 , display unit 27 and speaker 28 . The oper...

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Abstract

Based on, for example, the image at the start of a movie, a thumbnail image is tentatively generated and is stored in a header file. If a predetermined triggering condition is fulfilled during movie shooting, a thumbnail image is generated from the frame image at the timing that the triggering condition is fulfilled, and the thumbnail image existing in the header file is replaced with the newly generated thumbnail image. The triggering condition is fulfilled, for example, if, after zooming-in, the angle of view has been kept fixed for a predetermined period or longer, or if the focus has beenkept locked for a predetermined period.

Description

technical field [0001] The present invention relates to a thumbnail generating device used in imaging devices such as digital cameras and digital video cameras. In addition, it also relates to an imaging device including the thumbnail image generating device. Background technique [0002] Most imaging devices such as digital video cameras are provided with a mode for displaying thumbnail images. Thumbnail images for moving images are usually generated at an appropriate timing such as when recording of moving images starts or ends (hereinafter, this generating method is referred to as "conventional method 1"). Such an imaging device is described, for example, in JP-A-10-28250, JP-A-2001-111963, JP-A-2005-229236, and JP-A-8-251540. Based on the thumbnail image, the user selects a moving image to be reproduced from a plurality of recorded moving images. Fig. 14 is a flowchart showing the steps of generating thumbnail images in the prior art. [0003] In addition, ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/93H04N5/91H04N5/76H04N5/225H04N5/232G11B27/10G11B27/00
Inventor 森幸夫浜本安八冈田诚司吉田博明竹内悟横畠正大
Owner SANYO ELECTRIC CO LTD
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