UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                                Amendment No. 1*

                    Under the Securities Exchange Act of 1934

                           Invision Technologies, Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    461851107
                                 (CUSIP Number)

                                 George Travers
                                   Perry Corp.
                              599 Lexington Avenue
                               New York, NY 10022
                                 (212) 583-4000
  (Name, Address, and Telephone Number of Person Authorized to Receive Notices
                               and Communications)

                                 April 16, 2004
             (Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 3d-1(f), or 13d-1(g), check the following box
|_|.

Note: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



--------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Perry Corp.
--------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) [__]
                                                                        (b) [__]
--------------------------------------------------------------------------------
3     SEC USE ONLY

--------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      00
--------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2 (d) or 2 (e)

                                                                            [__]
--------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      New York
--------------------------------------------------------------------------------
                       7     SOLE VOTING POWER

                             495,998
                      ----------------------------------------------------------
     NUMBER OF         8     SHARED VOTING POWER
      SHARES
   BENEFICIALLY              NONE
     OWNED BY         ----------------------------------------------------------
       EACH            9     SOLE DISPOSITIVE POWER
   REPORTING
      PERSON                 495,998
       WITH           ----------------------------------------------------------
                      10     SHARED DISPOSITIVE POWER

                             NONE
--------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      495,998
--------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                       [__]

--------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      2.87%
--------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IA, CO
--------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



--------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Richard C. Perry
--------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a) [__]
                                                                        (b) [__]
--------------------------------------------------------------------------------
3     SEC USE ONLY

--------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      00
--------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2 (d) or 2 (e)

                                                                            [__]
--------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      New York
--------------------------------------------------------------------------------
                    7     SOLE VOTING POWER

                          495,998 (all shares beneficially owned by Perry Corp.)
                   -------------------------------------------------------------
     NUMBER OF      8     SHARED VOTING POWER
      SHARES
   BENEFICIALLY           NONE
     OWNED BY      -------------------------------------------------------------
       EACH         9     SOLE DISPOSITIVE POWER
   REPORTING
      PERSON              495,998 (all shares beneficially owned by Perry Corp.)
       WITH        -------------------------------------------------------------
                   10     SHARED DISPOSITIVE POWER

                          NONE
--------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      495,998
--------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                       [__]

--------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      2.87%
--------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN, HC
--------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



ITEM 1.     SECURITY AND ISSUER:

            This statement on Schedule 13D relates to shares of common stock,
$0.001 par value per share (the "Common Stock"), of Invision Technologies, Inc.,
a Delaware corporation (the "Issuer") acquired by private investment funds
managed by Perry Corp. and Common Stock underlying stock options acquired by
private investment funds managed by Perry Corp. (the "Options"). The principal
executive offices of the Issuer are located at 7151 Gateway Boulevard, Newark,
CA 94560.

ITEM 2.     IDENTITY AND BACKGROUND:

            This statement on Schedule 13D is filed on behalf of Perry Corp., a
New York corporation, and Richard C. Perry, an American citizen. Perry Corp. is
a registered investment adviser that provides asset management services to
private investment funds. Richard C. Perry is the President, sole director, and
sole stockholder of Perry Corp. The address of Perry Corp. and Richard C. Perry
is 599 Lexington Avenue, New York, NY 10022. A joint filing agreement of Perry
Corp. and Richard C. Perry is attached hereto as Exhibit A.

            The names, citizenship, business addresses and principal occupations
of each of the directors and executive officers of Perry Corp. (other than
Richard C. Perry) are set forth in Schedule B, which is incorporated herein by
reference.

            During the last five years, neither Perry Corp., Richard C. Perry,
nor any of the persons listed in Schedule B has been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors) or has been a
party to a civil proceeding of a judicial or administrative body of competent
jurisdiction and as a result of such proceeding was or is subject to a judgment,
decree or final order enjoining future violations of, or prohibiting or
mandating activities subject to, federal or state securities laws or finding any
violation with respect to such laws.

ITEM 3.     SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION:

            This Amendment to Schedule 13D is being filed to report the
expiration of Options providing the reporting persons with the right to purchase
530,000 shares of Common Stock.

ITEM 4.     PURPOSE OF TRANSACTION:

            See item 3.

            Perry Corp. and/or Richard C. Perry have no plans or proposals which
would relate to or would result in any of the actions to be described in Item 4
of Schedule 13D.

ITEM 5.     INTEREST IN SECURITIES OF THE ISSUER:

            (a)-(b) Perry Corp. is the indirect beneficial owner of 495,998
shares of Common Stock, which constitutes approximately 2.87% of the Issuer's
outstanding shares of Common Stock, based upon 17,298,000 shares of Common Stock
outstanding as of April 20, 2004. Perry Corp. has sole power to vote and sole
power to dispose of the Common Stock. By virtue of his position as President and
sole stockholder of Perry Corp., Richard C. Perry may be considered to
indirectly beneficially own such Common Stock. Richard C. Perry disclaims any
beneficial ownership interest of the Common Stock held by any funds for which
Perry Corp. acts as the general partner and/or investment adviser, except for
that portion of such Common Stock that relates to his economic interest in such
Common Stock.

            (c) Not Applicable.

            (d) The limited partners of (or investors in) each of two or more
private investment funds for which Perry Corp. acts as general partner and/or
investment adviser have the right to participate in the receipt of dividends
from, or proceeds from the sale of, the Options held for the accounts of their
respective funds in accordance with their respective limited partnership
interests (or investment percentages) in their respective funds.

            (e) Not Applicable.



ITEM 6.     CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
            RESPECT TO SECURITIES OF THE ISSUER:

            Except for the arrangements described in Item 5 above, to the best
knowledge of Perry Corp., there are no contracts, arrangements, understandings
or relationships (legal or otherwise) between the persons enumerated in Item 2
and any other person with respect to any securities of the Issuer, including but
not limited to, transfer or voting of any of the Common Stock, finder's fees,
joint ventures, loan or option arrangements, puts or calls, guarantees of
profits, division of profits or loss, or the giving or withholding of proxies.

ITEM 7.     MATERIALS TO BE FILED AS EXHIBITS

      Exhibit A --  Agreement between Perry Corp. and Richard C. Perry to file
                    this statement jointly on behalf of each of them.

      Schedule A -- Executive Officers and Directors of Perry Corp. (other than
                    Richard C. Perry).

                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                           PERRY CORP.

Dated: April 22, 2004
       New York, New York                  By:  /s/ Richard C. Perry
                                                --------------------------------
                                                Name:  Richard C. Perry
                                                Title: President

Dated: April 22, 2004
       New York, New York                       /s/ Richard C. Perry
                                                --------------------------------
                                                Richard C. Perry



                                                                       EXHIBIT A

                                    AGREEMENT

                          JOINT FILING OF SCHEDULE 13D

            The undersigned hereby agree to jointly prepare and file with
regulatory authorities a Schedule 13D and any future amendments thereto
reporting each of the undersigned's ownership of securities of Invision
Technologies, Inc., and hereby affirm that such Schedule 13D is being filed on
behalf of each of the undersigned pursuant to and in accordance with the
provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934. The
undersigned acknowledge that each shall be responsible for the timely filing of
such amendments, and for the completeness and accuracy of the information
concerning him or it contained therein, but shall not be responsible for the
completeness and accuracy of the information concerning the other, except to the
extent that he or it knows or has reason to believe that such information is
inaccurate.

                                               PERRY CORP.

Dated: April 22, 2004
       New York, New York                      By:  /s/ Richard C. Perry
                                                    ----------------------------
                                                    Name:  Richard C. Perry
                                                    Title: President

Dated: April 22, 2004
       New York, New York                           /s/ Richard C. Perry
                                                    ----------------------------
                                                    Richard C. Perry



     SCHEDULE A

         Executive Officers of Perry Corp. (other than Richard C. Perry)

Name & Principal Occupation               Citizenship      Business Address
---------------------------               -----------      ---------------
Randall Borkenstein,                      USA              c/o Perry Corp.
Chief Financial Officer of Perry Corp.                     599 Lexington Avenue
                                                           36th Floor
                                                           New York, NY 10022

William J. Vernon,                        USA              c/o Perry Corp.
Secretary of Perry Corp.                                   599 Lexington Avenue
                                                           36th Floor
                                                           New York, NY 10022