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2008-04-10

奇想录小专题：超高速摄像技术（视频和组图）

forcode：2006年我在《抽水马桶的秘密》中以为我所幻想的300万帧速的摄像机已经非常非常超前了，也许几百年内无法实现，实在没有想到，现在已经能够制造出100万帧速的超高速摄像机了，在这样的新工具下，可以看到原来看不到的神奇现象：拳击手的脸被对手击中的瞬间，肉眼看来似乎什么也没改变，只是撞击了一下，但是在1万帧速的摄像机下，我们可以看到被击中的拳击手的脸出现了严重变形，然后又迅速恢复，看完这个视频，你会感到，拳击对身体的伤害超乎我们原来的想象。拍下这段录像的机器是redlake公司能够生产帧速高达44,000 frames-per-second的摄像机，而日本shimadzu公司能够生产每秒100万帧图像的超高速摄像机。新工具往往是科学重大突破的前提，显微镜的发明导致细胞生物学的创立，不知道这样的超高速摄像技术会导致多少新学科的出现，可以想到的是，我们对于超高速运动物体运动特性的了解会快速改进。
本文首发地址：
http://www.qixianglu.cn/627626.html

抽水马桶的秘密 第一部：人类研究计划：木马蛔虫 第80章：300万的录像帧速
http://www.qidian.com/BookReader/60008,1952248.aspx

人眼永远都看不到的真相
http://v.youku.com/v_show/id_ca00XMjMxNDk4Mjg=.html

超高速摄像机生产厂商redlake的网站：
http://www.redlake.com/

  • HYCAM rotary prism cameras with frame rates up to 44,000 frames-per-second
  • LOCAM Streak Camera
  • FASTAX rotary prism camera (20,000 frames-per-second)

这里有该公司相机拍摄的样片下载：
Helicopter Crash Test (JAXA) Filmed with HG-100K
http://architect.wwwcomm.com/Uploads/RedLake/Media/RAB/copter_jaxa_mono.mpg

Helicopter Crash Test (JAXA)
Filmed with HG-100K
http://architect.wwwcomm.com/Uploads/RedLake/Media/RAB/jaxa_color.mpg

Projectile hitting steel wall
Filmed with HG-100K
5000 fps
http://architect.wwwcomm.com/Uploads/RedLake/Media/RAB/rocket.mpg

更多超高速摄像视频下载：

High-speed (super slow motion) Video Clips

high_speed_video.colostate.edu

The video clips below were filmed with a special high-speed camera.
The super slow-motion playback lets you visualize effects
that cannot be seen with the naked eye or with a standard video camera.

NOTE: No humans or animals were hurt during the filming of any of these clips.
Also, all humans (and my pet dog) were willing and eager participants.
Any discomfort was willingly accepted in the interest of science.

The video clips are Windows Media files.
Click on the icon below if you wish to download the latest free player.

Dr. Dave's Hall of Fame:

bullet ballistics,  YouTube high-speed video collection,  Jello cube drop,   moth flying,   bouncing rubber yo-yo ball,   water balloons popping,    water balloon bounce (pear shape),   water balloon bounced hard (top view),   pop can, pressurized, shot with a pellet gun,   Tipsie Top,   egg dropped on mouse trap,   pierced face and tongue jiggle,   face punch,   face slap,   dog bone catch,   billiards draw shot,   billiards corner pocket rattle,   billiards jump shot,   BB gun chest shot,   paintball back shot,   BB gun Jello shot,   spray flames,   bouncing rubber yo-yo ball,   skateboard Olly jump,   firecracker in water

Copyright notice:
None of the video files linked on this site may be copied, reproduced, transmitted, displayed, performed, distributed, rented, sublicensed, altered, stored for subsequent use or otherwise used in whole or in part in any manner without the prior written consent of David G. Alciatore.

Click here to inquire about clip licensing and custom videography services.

See also:

Appliances

Balloons

Billiards and Pool

Cans, Bottles, and Glass

Dynamics

See also:

Fire, Smoke, and Explosions

Fluid Mechanics

Food Products

Mechanisms

Mechatronics

Musical Instruments

Sports

Stupid Animal Tricks

Stupid Human Tricks

Arm, Foot, Leg Dynamics

Face Dynamics

Punches and Slaps

Tools and Machinery

Toys



下面是该公司产品列表：
Redlake Product Listing

日本开发出超高速摄像机

    日本岛津制作所与近畿大学理工学系教授江藤刚志合作开发出了超高速摄像机"HPV－1"，能够以每秒100万帧图像的超高速拍摄。

    "HPV－1"摄像机实现高速化的关键，是采用了新型CCD（电荷耦合元件）。

    传统的CCD因为每拍摄一帧图像就要将数据输出到其外部，因此很难实现高速化。

    江藤教授开发的新型CCD，内设图像内存，在摄像过程中将图像数据储存在内存里，摄像结束以后才将图像数据输出到外部，因此即使以每秒100万帧的速度拍摄，也能保持8．1万像素的清晰度，从而使图像的详细解析成为可能。（蓝建中）

图像

Development of "HyperVision HPV-1" High-speed Video Camera
Accession number;05A0919238
Title;Development of "HyperVision HPV-1" High-speed Video Camera
Author;KONDO YASUSHI(Shimadzu Corp.)   MARUNO HIROMASA(Shimadzu Corp.)   TOMINAGA HIDEKI(Shimadzu Corp.)   TOKUOKA NOBUYUKI(Shimadzu Corp.)   SOYA HIDEKI(Shimadzu Corp.)   TAKUBO KENJI(Shimadzu Corp.)   
Journal Title;Shimadzu Review
Journal Code:F0302A
ISSN:0371-005X
VOL.62;NO.1/2;PAGE.79-86,HYOSHI(2005)
Figure&Table&Reference;FIG.13, REF.4
Pub. Country;Japan
Language;Japanese
Abstract;We have developed the "HyperVision HPV-1" high-speed video camera, which is equipped with a single-chip CCD image sensor called IS-CCD (image storage-CCD). The IS-CCD, specifically developed for the video camera, enables it to capture 100 consecutive images with a frame rate of up to 1,000,000 frames per second (fps). The video camera ensures a spatial resolution of about 81,000 pixels at the overall range of the frame rate for high-quality image. The camera allows the users to visualize ultrafast phenomena that cannot be seen with conventional high-speed video cameras. (author abst.)

HyperVision HPV-1

HyperVision HPV-1

Shimadzu Corporation's High-Speed Video Camera HyperVision HPV-1 offers world-class ultra-high-speed video recording of up to one million frames per second.
The HPV-1 permits recording of ultra-high-speed phenomena not previously possible in a wide variety of fields that require high-speed image capture, such as materials failure, fluid dynamics, combustion, and sports science.

1. Ultra-high-speed recording of up to one million frames per second.

This newly developed IS-CCD*1 achieves ultra-fast recording speeds of up to one million fps.
*1 The IS-CCD is Shimadzu's unique CCD with image storage incorporated into the sensor chip to permit high-speed image recording.
* Patent pending.
This product's IS-CCD image sensor was jointly developed in collaboration with Kinki University's Professor Takeharu Etoh.

2. Ultra-high-speed and high spatial resolution

With a conventional high-speed video camera, the spatial resolution drops off as the recording speed is increased. However, the HPV-1 spatial resolution does not deteriorate at high frame rates. It maintains excellent 312 x 260-pixel resolution at all recording speeds to permit detailed analysis of high-speed phenomena.

3. HPV-1 can capture a wide range of high-speed phenomena with the high sensitivity CCD.

A highly sensitive image sensor is essential to capture ultra-high-speed images using extremely short exposure times. The IS-CCD incorporates a high-sensitivity design that expands the light sensitive area per pixel to handle recording of a variety of high-speed phenomena.

4. Easy-to-use, multifunction software

Dedicated software in the control unit allows recording to start immediately after performing a few simple settings. Recorded images can be saved in general image formats such as AVI or BMP.

Specifications
Recording method IS-CCD image sensor
Resolution 312 (horizontal) x 260 (vertical) pixels
Frame storage 100 frames
Lens mount Nikon F mount
Color, gradations Monochrome, 10 bits
Recording speed 30 fps to 1,000,000 fps
Exposure time 1/2,1/4,1/8 x recording period
External trigger input TTL (positive/negative), switch closure
Trigger mode Set trigger point at any desired frame
Recording format 10-bit dedicated format, BMP, TIFF, AVI
I/O ports Ethernet, USB2.0

Images taken with the High-Speed Video Camera HPV-1 are displayed below. Some of these are MPEG format animation files.

Ultra-high-speed image capture of one million frames per second

Shock wave propagation (1,000,000fps), Schlieren Photography

(Images provided by Shock Wave Research Center, Institute of Fluid Science, Tohoku University)

High spatial resolution independent of recording speed

Bursting of balloon containing water (8,000 fps)

View animation (2.44 MB MPEG file)>>

Water jet (100,000 fps)

View animation (2.65MB MPEG file)>>

Combination with testing machine

High-speed tensile test (200,000 fps)

 

Concrete compression test (10,000 fps)

View animation (2.78MB MPEG file)>>

Additional images

Golf ball impact (100,000 fps)

 

Electrical discharge (100,000 fps), Schlieren Photography

(Images provided by Prof. Higaki, Ashikaga Institute of Technology)

Rocketing object (100,000 fps)

(Images provided by Prof. Arai, Hosei University.)

Specifications

Camera Head
Lens mount Nikon F mount
Image sensor IS-CCD image sensor
Resolution 312 (horizontal) x 260 (vertical) pixels
Color, Gradations monochrome, 10 bits
Recording interval 1 µs, 2 µs, 4 µs, 8 µs, 16 µs, 32 µs, 64 µs, 125 µs, 250 µs, 500 µs, 1 ms, 2 ms, 4 ms, 8 ms, 16 ms, 33 ms
Recording speed 1) 1 Mfps, 500 kfps, 250 kfps, 125 kfps, 63 kfps, 31 kfps, 16 kfps, 8 kfps, 4 kfps, 2 kfps, 1 kfps, 500 fps, 250 fps, 125 fps, 63 fps, 30 fps
Frame rate 100 frames
Exposure time 1/2,1/4,1/8 x recording period (however, 250 ns min. exposure time at 1 µs recording intervals)
External trigger input TTL level (5 V, positive or negative)
Switch closure (normally open)
Monitor output Dedicated monitor output
Clock output TTL level (5 V)
Control Unit
Display 10.4" TFT
Operation 4 x 4 buttons
101-key PC keyboard
PS2 mouse
OS Windows2) XP Professional
I/O ports Ethernet (100/10BASE-T), USB2.03)
Recording modes Normal (external/internal trigger), programmed recording, continuous trigger, test exposure
Trigger mode Trigger point settable from any frame
Recording format 10-bit dedicated format, AVI, BMP, TIFF
Image data storage 20 GB internal hard disk
LCD Monitor
Display 5.6" TFT-LCD
Monitor input RCA pin jack
Operating Conditions
Power supply 100 V AC ± 10%, single phase, 6 A, 50/60 Hz
Operational temperature range 5°C to 40°C
Operational humidity range 35% RH to 75% RH, no condensation
Storage temperature range 0°C to 50°C
Storage humidity range 20% RH to 80% RH, no condensation
Size, Weight
Camera head 140 mm (W) x 129 mm (H) x 325 mm (D), approx. 3.6 kg
[140 mm (W) x 174 mm (H) x 325 mm (D), including handle]
Control unit 484 mm (W) x 244 mm (H) x 414 mm (D), approx. 18.5 kg [484mm (W) x 244mm (H) x 480mm (D), including handle]
LCD Monitor 170mm(W)Ž×120mm(H)Ž×43mm(D),approx. 600g
Interface cable length Approx. 5 m

1) Frame rates are reference values calculated from the recording periods.
2) Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries.
3) Compatibility with all types of connectable devices is not guaranteed.


Introducing the Phantom v12

The world's first CMOS-based high-speed camera capable of taking 1,000,000 pictures-per-second.

  • 6242 frames-per-second at full 1280x800 "widescreen" resolution
  • 1,000,000 pictures-per-second at reduced resolution
  • Unsurpassed light sensitivity
  • Sub-microsecond exposure, down to 300ns
  • CineMag(tm) compatible for long record time and non-volatile storage


The v12's combination of advanced features, resolution, image storage options, and pricing, make this new Phantom camera the ultimate choice for high speed digital video motion analysis for wide range of applications requiring great image quality and extreme recording speeds.

Visit our v12 camera page to learn more.

Phantom Miro

Phantom Miro

With built-in control and viewing, battery power, and "point and shoot" features, our Miro cameras are an ideal choice for high-speed applications where compact size, mobility, and cost are important considerations.

Phantom V Series Cameras

Phantom V-Series

High-speed digital cameras for virtually any product characterization or motion analysis task. Several resolution choices, advanced features, sensitivity and speed, plus our famous image quality make Phantom V-Series cameras the natural choice of imaging professionals.
Phantom Cinema Cameras

Phantom Digital Cinema Cameras

The Phantom HD and 65 provide the ultimate in high resolution slow-motion digital imagery for TV productions, commercials, music videos, documentaries, digital cinema, broadcast sports and critical instrumentation applications.


milkdrop

The Center carries on the legacy of Doc Edgerton's research and teaching by providing the Institute with a continuing expertise in high-speed and scientific imaging. Our facilities include a large studio space, a photographic darkroom, and a digital imaging studio equipped with an array of scanners, digital cameras, printers and plotters, and Macintosh computers.

In addition, we several technical digital cameras, including:

* Redlake MASD PCI Motionscope, monochrome high-speed video at up to 8,000 images per second.
* Concurrent analog data acquisition via a National Instruments A/D card.
* Midas 2.0 motion analysis software from Xcitex, Inc.
* NAC Model color high-speed camera (in process of donation).
* Redlake MASD Ektapro 1012 high-speed video, monochrome, up to 12,000 images per second.
* Redlake MASD Megaplus 1.4i scientific still camera

These systems are available for use by interested MIT researchers and instructors, and by students pursuing hands-on projects.

Each summer we offer a week-long course on high-speed imaging through the MIT Professional Institute. This subject (6.51s) is designed for scientists, engineers, and photographers who need to gather data on rapidly moving subjects and events for study, motion analysis, and trouble-shooting. Mornings are spent in the lecture hall learning the fundamentals for lighting, imaging technologies, and motion analysis. Afternoons are spent making high-speed images in the laboratory.

For MIT students, we offer the popular Strobe Project Lab (6.163) to 24 students each term, where students learn the fundamentals of high-speed imaging and apply these techniques to final projects of their own choosing. Two subjects are offered that investigate digital imaging and image manipulation, SP.757 in Fall terms, and SP.747 in Spring terms.

Visit the High Speed Imaging Links page.

Redlake MASD Ektapro High Speed Video:

The Edgerton Center has a Redlake MASD Ektapro Model 1012 High Speed Video System on loan from Redlake MASD Inc. This system is capable of recording 256 gray scale black and white digital image data at 1000 frames per second, with a resolution of 192x239 pixels. By shrinking the image height the system can go up to 12,000 frames per second. (More up-to-date models can record even faster than this.)

The Edgerton Center uses the system in a variety of ways:

*as a teaching tool in the Strobe Project Laboratory course (6.163). Students work with the system on planned laboratory exercises and may use it as needed in their independent projects.

*as an exciting demonstration of high-speed imaging capabilities for visiting students, parents, and visitors of all ages.

*as a resource for laboratories around MIT, in order to introduce them to the capabilities of high speed video acquisition and its potential application in their research.

--
未来新技术和新趋势的种种可能：
奇想录 http://www.qixianglu.cn
订   阅 http://feed.feedsky.com/woodphone
非主流的科幻界的非主流论坛——奇想家园：
http://www.douban.com/group/forcode/

发贴者：forcode @ 09:26   0 条评论

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