Image processing device for controlling a plurality of tasks

• US 8,184,860 B2
• Filed: 07/20/2007
• Issued: 05/22/2012
• Est. Priority Date: 07/21/2006
• Status: Active Grant

• Current Assignee: Hitachi Astemo Ltd. (Hitachi, Ltd.)
• Original Assignee: Hitachi, Ltd.
• Inventors: Muramatsu, Shoji, Nakamikawa, Tstsuaki, Shima, Takeshi, Otsuka, Yuji, Higuchi, Mirai, Monji, Tatsuhiko, Irie, Kota
• Primary Examiner(s): Wang, Claire X
• Application Number:
  US11/780,995
• Publication Number:
  US 20080025597A1
• Time in Patent Office: 1,768 Days
• Field of Search: 382/104, 382/103, 358/3.28, 358/445
• US Class Current: 382/104
• CPC Class Codes: H04N 21/4223 Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 5/772 the recording apparatus and the television camera being placed in the same enclosure
• CPC Class Codes: H04N 5/782 on tape

Abstract

An image processing device of the present invention performs a task to execute an image processing This image processing device comprises a picture frame assigning unit that assigns an identification number to the image data to be collected by a picture collection device, an image capture requested picture of checking unit that checks whether the image data to which the identification number is assigned is identical with the image data that is requested by the task, an requested picture frame image collection notification unit that notifies the task of the image data having been collected which the task requests, if the image data to which the picture frame number is assigned is identical with the image data which the task requests, and an image capture requested picture frame receiving unit receives an image collection request from the task.

Claims

1. An image processing device, performing an image processing with a plurality of tasks sharing at least one picture collection device that continually collects image data, the image processing device comprising:

a picture frame assigning unit that assigns a frame number to the image data to be collected by the picture collection device;

an image capture requested picture frame receiving unit that receives from each of the plurality of the tasks and a frame number condition associated with an image capture request, the frame number condition directly or indirectly designating the frame number of the image data the task requests;

an image capture requested picture frame determining unit that determines whether each of the frame numbers assigned by the picture frame assigning unit to the image data collected by the picture collection device corresponds to the frame number condition designated by any of the plurality of the tasks;

a requested picture frame image collection notification unit that notifies the any of the plurality of the tasks that the image data the any of the plurality of the tasks requests has been collected and performs an interruption processing to make the any of the plurality of the tasks in a state of being executed, if the each of the frame numbers assigned by the picture frame assigning unit to the image data collected by the picture collection device corresponds to the frame number condition designated by the any of the plurality of the tasks;

wherein the frame number condition is the frame number for the image data or the formula designating the frame number for the image data

wherein the image capture request that the image capture requested picture frame receiving unit receives from the task includes camera control parameters to control the picture collection device that collects the image data requested by the task as well as information to identify the image data; and

wherein a picture for the image data is taken by the picture collection device after the camera control parameters are set on the picture collection device, wherein if the frame number for the picture to be taken corresponds to the frame number condition designated by any of a plurality of the tasks, the camera control parameters for the picture to be taken are read from the image capture request associated with the frame number condition designated by the any of a plurality of the tasks and set on the picture collection device before the picture is taken.

2. An image processing device according to claim 1, wherein the camera control parameters include at least one of a shutter speed, an analog/digital transformation gain and an image angle and determine an image quality.

3. An image processing device according to claim 1, further comprising:

a storage device that keeps image data identification information to identify the image data the task requests and task identification information, both the image data identification information and the task identification information are associated with each other; and

wherein if the image data identification information is identical with an identification number assigned by the picture frame assigning unit, a task scheduling for the image processing is executed by transmitting an interruption signal for the task whose identification information is identical with identification information of the task kept in the storage device.

4. An image processing device according to claim 2, further comprising:

a storage device that keeps image data identification information to identify the image data which the task requests and task identification information, both the image data identification information and the task identification information are associated with each other; and

wherein it is checked based on the camera control parameters whether or not the image data for a picture frame to be collected that one of the tasks requests is shared by another of the tasks that requests the image data for the same picture frame.